Datasets:

WINGNUS
/

ACL-OCL

	{
	"paper_id": "C69-1801",
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	"date_generated": "2023-01-19T12:32:22.446710Z"
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	"title": "",
	"authors": [],
	"year": "",
	"venue": null,
	"identifiers": {},
	"abstract": "This paper discusses the feasibility of applying a model of language use based on a modification and extension (to be discussed below) of the generative semantic (transformational) theory of language competence recently developed by Paul Postal, George Lakoff, John Robert Ross, ~ames D. McCawley, and others, to problems of computational linguistics.",
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	"paper_id": "C69-1801",
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	"abstract": [
	{
	"text": "This paper discusses the feasibility of applying a model of language use based on a modification and extension (to be discussed below) of the generative semantic (transformational) theory of language competence recently developed by Paul Postal, George Lakoff, John Robert Ross, ~ames D. McCawley, and others, to problems of computational linguistics.",
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	"section": "Abstract",
	"sec_num": null
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	{
	"text": "The theory of generative semantics, to be discussed in section II, is an outgrowth of, and reaction to, Chomsky's 1965 theory of transformational linguistics. It is a radical theory which deals with a very great range of problems with very abstract methods.",
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	"text": "Trose working in this paradigm hold that there is a linguistic level reflecting conceptual or semantic structure which is directly convertible into surface syntax by a single set of garden-variety transformations, with no O significant intermediary level, that is, no deep structure\".",
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	"section": "",
	"sec_num": null
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	"text": "These of us working in generative semantics believe that methods substantially those long familiar in linguistics can achieve very absract , very general results which treat semantics in a more serious and enlightening way than ever before.",
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	"sec_num": null
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	"text": "I do not, I think, support this very strong claim very well in section II, but I provide summaries of several studies and a lengthy bibliogrpahy of works which when consulted will hopefully give some feeling for what is being attempted, I think not without results.",
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	"section": "",
	"sec_num": null
	},
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	"text": "But generative semantics is a model, or rather, a theory, of competence, like most serious theories of language now held to by American linguists.",
	"cite_spans": [],
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	"section": "",
	"sec_num": null
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	"text": "~ven if, as might be claimed, our semantic structures are to be merely variants of the structures long familiar from formal logic, so that if our assumptions are correct, we will ultimately be able to directly transform surface structures into underlying semantic structures, the majority of actual sentences, as well as all hypersentential structures, the treatment of which has been swept under the rug of \"performance\", will remain unhandleable.",
	"cite_spans": [],
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	"section": "",
	"sec_num": null
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	"text": "Accordingly, I propose initially cert@in extensions and modifications of the theory to make it in some sense 1-2 a model of performance.",
	"cite_spans": [],
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	"section": "",
	"sec_num": null
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	{
	"text": "But if we are to apply it to the computer, a major component must still be added.",
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	"section": "",
	"sec_num": null
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	"text": "The impetus to this application is ~he possibility of creating an understanding machine, dewcribed in section IV below. Since the actual human interpretation of language depends on past knowledge (consider which of these sentences is good and why:",
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	"section": "",
	"sec_num": null
	},
	{
	"text": "As for Albuquerque, the ~iffel Tower is pretty. As for Paris, the Eiffel ~ower is pretty.",
	"cite_spans": [],
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	"section": "",
	"sec_num": null
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	"text": "ShirLey is a blonde and Susan is Nordic-looking too. Shirley is a linguist and Susan is Nordic-lloking too.) the old split between semantics, syntax, and pragmatics must be revised, and our model closely linked with a memory and possibly a logic component as well.",
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	"section": "And the se :",
	"sec_num": null
	},
	{
	"text": "Obviously this defines a very difficult task, but insofar as such goals as HT, artificial intelligence, and machine reading of handwritten material or writing of spoken material involve comprehension on the part of the machinej o~ which there seems to be no doubt, these important goals will continue to ~lude us until such time as we can devise such an understanding machine as I have ~escribed below.",
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	"section": "And the se :",
	"sec_num": null
	},
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	"text": "believe that generative semantics lays the foundation for studies relevant to such a development, and it is in this context that my proposals are made.",
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	"section": "I",
	"sec_num": null
	},
	{
	"text": "In section II I will d~scuss generative semantics. In section III I will discuss the body of my proposals here.",
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	"section": "I",
	"sec_num": null
	},
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	"text": "In section IV I will discuss what should be required of a generalized \"understanding\" machine. Part II. The theory of Generative Semantics.",
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	"section": "I",
	"sec_num": null
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	{
	"text": "~ae theory of ~enerative semantics is an outgrowth and reaction to the theory of transformational grammar as represented in Chomsky's 1965 book, As s~cts of the Theor~ of S~tax (MIT Press). To a very ~-I-~ extent, this theory has been the development of a small group of former students of Chomsky,s or their close colleagues.",
	"cite_spans": [],
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	"section": "I",
	"sec_num": null
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	"text": "John (HaJ) Ross has said that the theory is really Just an attempt to explicate Pa~l Postal's work of five years ago to date. If Postal was the founder of this school, if you can call it that, its main workers have been HaJ Ross and George Lakoff, who between 1965 and swept aside most of transformational linguistics as it then was. But perhaps best known of the group is J~mes McCawley, who graduated from MIT in 1965 with a Ph.D. based on work in ubonology, not syntax or semantics. He promptly amazed Lakoff and 2oss by some very substantive work in the latter areas as well as phonology. s~udent of McCawley's I will be emphasizing his contributions here, and those of my collea~s at Chicago, Jerry L. Morgan and Georgia M. Green, but it should be kept in mind that people like Ross, Lakoff, Postal, Arnold Zwicky, David Perlmutter, Emmon Bach, Robin Lakoff, and several others , have made the current theory possible, and that many others, such as Robert Wall, Lauri Kartunnen, Ronald Langacker, and others, have contributed as well.",
	"cite_spans": [
	{
	"start": 224,
	"end": 232,
	"text": "Ross and",
	"ref_id": "BIBREF39"
	},
	{
	"start": 233,
	"end": 268,
	"text": "George Lakoff, who between 1965 and",
	"ref_id": null
	},
	{
	"start": 783,
	"end": 882,
	"text": "Ross, Lakoff, Postal, Arnold Zwicky, David Perlmutter, Emmon Bach, Robin Lakoff, and several others",
	"ref_id": null
	}
	],
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	"section": "I",
	"sec_num": null
	},
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	"text": "It should also be kept in mind that the Case Grammar of Fillmore and the work done by Gruber, while differing from generative semantics, have contributed a great deal to it. ~ae basic theory of generative semantics is built upon an attempt to relate the underlying semantic structure of language to the surface, phonetic manifestation of that underlying structure. That is, a phonetic reality is recognized, and a semantic reality is recognized.",
	"cite_spans": [],
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	"section": "I",
	"sec_num": null
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	"text": "But unlike other versions of transformational grammar, this theory assigns no special status to syntax; syntax is subsumed in the semantics. McCawley has Jokingly referred to his theor~ as being one of either \"semantax\" or \"synantics\". ~11e name generative semantics is not a particularly good one, since it implies that the ~oal of the theory is, as with the work of Chomsky, to \"separate the grsumuatical sequences\" of a language\"from the ~E~__ammatical Sequences.\" (Chomsky, S~_~ctic Structures~ I~.) In S As a II-2 other words, to generate all and only grammatical sentences of a language.",
	"cite_spans": [],
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	"section": "I",
	"sec_num": null
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	"text": "~his is not at all the goal of generative semantics.",
	"cite_spans": [],
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	"eq_spans": [],
	"section": "I",
	"sec_num": null
	},
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	"text": "Rather, what we want to do is in some rigorous way specify the correlations of underlying semantic entities and surface phonetic entities: to specify for any underlying semantic structure what its possible phonetic realizations in some language are, and for some phonetic structure what underlying semantic structures it can represent.",
	"cite_spans": [],
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	"section": "I",
	"sec_num": null
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	"text": "Naturally, so~e descriptive ability is predicated as well, that is, we want to be able to define ambiguity in some algorithmic fashion, we want to be able to define levels or classes of ill-correlation between structures on different levels, etc.",
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	"section": "I",
	"sec_num": null
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	"text": "Chomsky would say that a sentence~like \"Golf plays John\" is eminently deserving of a star; we would say (I) if it's supposed to mean'John plays golf', it doesn't succeed in conveying the message; (2) if it's suppesed to mean 'John loves Marsha', then it's really bad; and (3) if Golf is a man.s name and Gohn the name of a game or role, it's a good sentence ---indeed, one can very well imagine arcane circumstances under which one might utter that sentence with the intent of saying that the game plays John, that the tail wags the dog~ as it were.",
	"cite_spans": [],
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	"section": "I",
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	"text": "Suppose, for example, that John's wife were tired of him spending all his free time playing golf and she grumbled to a heighbor about it, and the neighbor rather unfeelingly replied, \"Oh well, John plays golf.\" I can ~ery well imagine John's wife complaining bitterly, \"Oh no, golf plays John.\"",
	"cite_spans": [],
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	"section": "I",
	"sec_num": null
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	"text": "In any case, it is for hus unimaginative approach to language that Chomsky has been Jokingly called a \"bourgeois formalist\"o Even when we use stars, we try to keep in mind that Just about any valid phonological string of a language conveys one or more meanings in some context, and that it is artificial to take a string out of context and declare it good or bad.",
	"cite_spans": [],
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	"section": "I",
	"sec_num": null
	},
	{
	"text": "So \"generative semantics\" is a bad ns~e.",
	"cite_spans": [],
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	"section": "I",
	"sec_num": null
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	"text": "The following diagram of the components of the theory is based on McCawley's paper in the proceedings of the 4th Regional Feeting of the Chicago Linguistic Society (1968) .",
	"cite_spans": [
	{
	"start": 164,
	"end": 170,
	"text": "(1968)",
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	"section": "I",
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	"text": "A theory very similar is discussed in Ronald Langacker's book LAnguage and its Structure (Harbrace, 1968) The above diagram comes from a report prepared by myself, Jerry Morgan, and Georgia Green, called the Uamelot ~o' which attempted to describe the curren-~te of rmational re, search in the Sum~uer cf 1968, particularly in reference to the LSA Summer Linguistic Institute at the University of lllinois, where HaJ Ross, George Lakcff, and Jim McCawley had lectured to large groups on a huge number of very '~airy\" (i.e., difficult and tickleishly novel) topics.",
	"cite_spans": [
	{
	"start": 89,
	"end": 105,
	"text": "(Harbrace, 1968)",
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	],
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	"section": "I",
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	"text": "In that report (which was prepared for Victor Yngve ), we raised several questions concerning the above representation.",
	"cite_spans": [],
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	"section": "I",
	"sec_num": null
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	{
	"text": "We asked: ~ese were by no means all of the questions asked. Needless to say, the answering cf these questions has hardly begun and will undoubtedly guarantee linguists a few gocd centuries of work at least. It is only in the last decade that syntax has been the subject of serious work, and we are still only discovering how ignorant we are. Semantics is even newer, less than a decade old.",
	"cite_spans": [],
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	"section": "I",
	"sec_num": null
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	"text": "i. ~hat",
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	"section": "I",
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	"text": "If anyone doubts that this is true, consider a) what the above 3 questions would have meant to a linguist in (say) 1955, and b)why he would have been wrong in his (lack of) comprehension of them. One of the great contributions of Postal and Ross has been II-4 their constant critical look at transformational grammar. One of the things they saw was that our transformations were (and are) extremely powerful devices, with practically no constraints placed on their formulation. ~at I will do here is summarize some of the attempts at partial answers to the three above questions. In this way I can delimit and explicate generative semantics best.",
	"cite_spans": [],
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	"section": "I",
	"sec_num": null
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	"text": "i will start by abstracting parts of two papers by McCawley that deal with the nature of semantic representation.",
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	"section": "I",
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	"text": "In a paper in the Japanese Journal ~otoba no Uchu (World of Language) in 1967, McCawley argued tha~ semantic representation would be similar to syntactic representation as familiar from ~-type grammar, but that it would also be quite similar to symbolic logic as familiar from the tons of work that have followed Principia and such studies.",
	"cite_spans": [],
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	"section": "I",
	"sec_num": null
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	"text": "That semantic representation should resemble syntactic representation makes sense if only because we are arguing for a single set of rules that transforms (i.e., reEates) the underlying structure into (to) the surface structures.",
	"cite_spans": [],
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	"section": "I",
	"sec_num": null
	},
	{
	"text": "There will be more about that later.",
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	"text": "McCawley argues as follows: the following devices have all had a role in symbolic logic: I. propositional connectives\" 'and', 'or', 'not'.",
	"cite_spans": [],
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	"section": "I",
	"sec_num": null
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	"text": "3. predicates, denoting properties and relationships. If the negation applies to John beats his wife, the se'~tence means 'the reason ~at John doesn't beat his wi~e is that he loves her', whereas if it applies to the John heats his wife because he loves her., the mg. is 'the reason that John beats his wi~e -~not-~Hat he loves her. ' Notice that here a surface form represents at least two different underlying structures which nonetheless contain precisely the same semantic elements--grouped differently, however.",
	"cite_spans": [],
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	"eq_spans": [],
	"section": "constants denoting individuals.",
	"sec_num": "2."
	},
	{
	"text": "Another point made is that \"semantic representations must include .., some indication of presupposed coreference.\" (p.2) That is, the followingsentence in neutral (i.e. null) context is ambiguous three-ways:",
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	"eq_spans": [],
	"section": "constants denoting individuals.",
	"sec_num": "2."
	},
	{
	"text": "II-6",
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	"eq_spans": [],
	"section": "constants denoting individuals.",
	"sec_num": "2."
	},
	{
	"text": "John told Harry that his wife was pretty.",
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	"section": "constants denoting individuals.",
	"sec_num": "2."
	},
	{
	"text": "John's? Harry's? or a third's? It could be any. However, if we know who his refers to, there is no such ambiguity.",
	"cite_spans": [],
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	"eq_spans": [],
	"section": "Whose wife?",
	"sec_num": null
	},
	{
	"text": "This may--seem trivial, but it is a point often ignored.",
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	"section": "Whose wife?",
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	"text": "McCawley then gives an argument for referential indices being different from expressions used to de~ribe. The sentence Max d~bied that he kissed the girl Be kissed. / is not contradictory if \"the girl he kissed\" is the speaker's description.",
	"cite_spans": [],
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	"eq_spans": [],
	"section": "Whose wife?",
	"sec_num": null
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	"text": "Another notion is that of presupposed set membero ship. lh",
	"cite_spans": [],
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	"eq_spans": [],
	"section": "Whose wife?",
	"sec_num": null
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	"text": "Max is more intelligent than most Americans.",
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	"eq_spans": [],
	"section": "Whose wife?",
	"sec_num": null
	},
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	"text": "said with primary stress ~n most, the sentence is good if and only if Max is presupp--~a to be American, that is, the sentence implies Max is American. With primary stress on Americans, however, Max is presupposed not to be American.",
	"cite_spans": [],
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	"section": "Whose wife?",
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	"text": "Presupposition is in general a very hairy topic which was recently the subject of an entire conference (at the Ohio State University).",
	"cite_spans": [],
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	"eq_spans": [],
	"section": "Whose wife?",
	"sec_num": null
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	"text": "We know very little about the nuamces of implication and are only beginning even to identify the problems.",
	"cite_spans": [],
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	"text": "But if a machine is ever to rea~ Ga_tcher i~ the Rye catching all the nuances of the italicized words, we had better find out how stress is used to alter the presuppositlonal set of a sentence. I need not be so unsubtle as to suggest the extreme value of such researches to psychology.",
	"cite_spans": [],
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	"eq_spans": [],
	"section": "Whose wife?",
	"sec_num": null
	},
	{
	"text": "Perhaps they already know about all this, for all I know.",
	"cite_spans": [],
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	"eq_spans": [],
	"section": "Whose wife?",
	"sec_num": null
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	"text": "In any case I cannot restrain myself from inclucing McCawley's beautiful example CIA Agents are more stupid than most Americans.",
	"cite_spans": [],
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	"section": "Whose wife?",
	"sec_num": null
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	"text": "He had primary streos on the ~ but I prefer to think of it as going on the Americans. Z would like ~o interject at this point a minor apology.",
	"cite_spans": [],
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	"section": "Whose wife?",
	"sec_num": null
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	{
	"text": "I have been rather fan-clubish here and have waved my hand a lot. Frankly I see no value in rehearsing here all the arguments available elsewhere. But I would like the rea~r to bear in mind my skimpy resume in no way reflects~the quality of the original. Let me also note, lest I seem u~uduly credulous towards tjheDthoughts of. C~irman Quang 4mild-maunered linguist",
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	"section": "Whose wife?",
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	"text": "\u2022 . mc~awley Is In reality Q. p. Dong, Chairman of Unamerican Studies at an unknown universityJ, that most of us working within the paradigm of generative semantics would be the first to admit that our theories haven't a pra~er of being right, that is, they~~ approach even a partially realistic and naturalistic \"J theory of language.",
	"cite_spans": [],
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	"section": "Whose wife?",
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	"text": "If we like it better than other paradigms it is because we believe that no other cureent theory is any better and that this one at least has a good chance of self-improvement. (End of apologia. )",
	"cite_spans": [],
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	"section": "Whose wife?",
	"sec_num": null
	},
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	"text": "If semantic representation looks much like logical representation, it also differs from it. In the Kotoba no Uchu paper McCawley noted the following differences :",
	"cite_spans": [],
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	"section": "Whose wife?",
	"sec_num": null
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	"text": "I. \"It is necessary to admit predicates which assert properties not only of individuals but also of sets and propositions.\"",
	"cite_spans": [],
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	"section": "Whose wife?",
	"sec_num": null
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	"text": "2. \"In mathematics one enumerates certain objects which ~one~will talk about, defines other obJecSs in te~ms o? these objects, and co~Ifines[onesel~ to a discussion of objects which[oneS has either postulated or defined .... However, one does not begin a conversation by giving a list of postulates and definitions..... \u2022..people often talk about things which either do not exist or which they have identified incorrectly\u2022 indices exist in the minds of the speaker rather than in the real world; they are conceptual entities which the individual speaker creates in interpreting his experience.\"",
	"cite_spans": [],
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	"section": "Whose wife?",
	"sec_num": null
	},
	{
	"text": "In the Wenner-Gren symposium, McCawley had more to say about the difference between logic and language.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "Whose wife?",
	"sec_num": null
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	"text": "1. Immediate constituent structure (trees)rather than parentheses are basic. First, \"semantic representations are to form the input to a system of ~ransformations that relate meaning to superficial form; to the II-8 extent that these transformations have been formulated and Justified, they appear to be stateable only in terms of constituent structure and constituent type, rather than in terms of configurations of parentheses and terminal symbols.\" Secondly, \"it may be necessary to operate in terms of semantic representations in which symbols have no left-to-right ordering .... \"",
	"cite_spans": [],
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	"eq_spans": [],
	"section": "Whose wife?",
	"sec_num": null
	},
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	"text": "2. There will have to be more 'logi~al operators', such as most, almost all, and m~.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "Whose wife?",
	"sec_num": null
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	"text": "3. \"And and ... or ... cannot be regarded as Just binary operators but-~ust be allowed to take an arbitrary number of operands.\"",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "Whose wife?",
	"sec_num": null
	},
	{
	"text": "4. The quantifiers must be restricted rather than unrestricted as in most logical systems. Some quantiflers imply existence:",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "Whose wife?",
	"sec_num": null
	},
	{
	"text": "All dogs like to bite postmen, involves the presupposition that dogs exist, whereas the unrestricted quantifiers logicians use have no such presupposition.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "Whose wife?",
	"sec_num": null
	},
	{
	"text": "involving'shifters' (Jakobson, 1957 ) such as I, YOu~_ ~ now, ..., gestures and deictic ~6rds like this--and that, and tenses, will have to include re~rence-K~-the speech act.",
	"cite_spans": [
	{
	"start": 20,
	"end": 35,
	"text": "(Jakobson, 1957",
	"ref_id": "BIBREF17"
	}
	],
	"ref_spans": [],
	"eq_spans": [],
	"section": "\"Adequate semantic representation of sentences",
	"sec_num": "5."
	},
	{
	"text": "The most promising approach to this aspect of semantic representation ... is Rose's (1969) elaboration of Austin's (1962) 6. \"The range of indices will ~ave to be enormous.",
	"cite_spans": [
	{
	"start": 84,
	"end": 90,
	"text": "(1969)",
	"ref_id": null
	},
	{
	"start": 106,
	"end": 121,
	"text": "Austin's (1962)",
	"ref_id": "BIBREF1"
	}
	],
	"ref_spans": [],
	"eq_spans": [],
	"section": "\"Adequate semantic representation of sentences",
	"sec_num": "5."
	},
	{
	"text": "In particular, it will have to include not only indices that purport to refer to physical objects, but also indices corresponding to mythical or literary objects, so that one can represent the meaning of sentences such as",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "\"Adequate semantic representation of sentences",
	"sec_num": "5."
	},
	{
	"text": "The Trobriand Islanders believe in Santa 61aus, but they call him Ubu Ubu.\" 7. McC. rejects \"the traditional distinction between 'predicate' and 'logical operator' and trea~s~ such 'logical operators' as quantifiers, conjunctions, and negation as predicates....\"",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "\"Adequate semantic representation of sentences",
	"sec_num": "5."
	},
	{
	"text": "To clarify the relationship of semantic to syntactic representations let me quote here from McCawley's Kotoba no Uchu paper:",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II-9",
	"sec_num": null
	},
	{
	"text": "Since the rules for combining items into larger units in symbolic logic formulas must be stated in terms of categories such as 'preposition', Ipredicatel, and 'index'~ these categories can be regarded as labels on the nodes of these trees.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II-9",
	"sec_num": null
	},
	{
	"text": "And since ... these categories all appear to correspond to syntactic categories, the same symbols (S, V, NP, etc. ) may be used as node labels in semantic representations as are used in syntactic representations.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II-9",
	"sec_num": null
	},
	{
	"text": "Accordingly, semantic representations appear to be extremely close in formal nature to syntactic representations, so close in fact that it becomes possible to catalogue the conceivable formal differences and determine whether those differences are real or apparent\u00b0 Among such differences he lists:",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II-9",
	"sec_num": null
	},
	{
	"text": "I. \"The items in a s#ntactic representation must be assigned a linear order, whereas it is not obvious that linear ordering of items in a semantic representation makes shy sense.\"",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II-9",
	"sec_num": null
	},
	{
	"text": "2. \"Syntactic representations inwolve lexical items from the language as their terminal nodes, whereas the terminal nodes in a semantic representation are semantic units rather than lexical units.\"",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II-9",
	"sec_num": null
	},
	{
	"text": "\"There are many syntactic categories which appear to play no role in semantic representation, for ex., verb-phrase, preposition, and prepositional phrase.\" (At the 5th Regional Meeting of the CLS, April of this year, A. L. Becket of the University of Michigan presented a paper in which he argued prepositions are underlying predicates; prepositional phrases are accordingly verb-phrases. )",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II-9",
	"sec_num": null
	},
	{
	"text": "McCawEey concluded nonetheless that these differences do not provide an argument that semantic ~epresentations are different in formal nature from syntactic representations. Again, I will omit his reasons for that conclusion.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II-9",
	"sec_num": null
	},
	{
	"text": "I might summarize all this by saying: i. Semantic representatio~ is a modification of the representations long familiar from ~ormal logic.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II-9",
	"sec_num": null
	},
	{
	"text": "2. Such representations do not radically differ from the surface syntactic representations of Aspectstype grammar. I will now turn to the second question raised above on p. II-3o This question has as yet received little study.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "B.",
	"sec_num": null
	},
	{
	"text": "It is a very difficult topic, but a very important one.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "B.",
	"sec_num": null
	},
	{
	"text": "I will confine myself here to a few brief comments and a few references.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "B.",
	"sec_num": null
	},
	{
	"text": "One of the important studies underway now is about syntactic variables.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "This was the subject of Ross' 1967 dissertation. Variables such as X and Y are familiar from transformational grammars, but no one had attempted before to specify in general what the notion of syntactic variable entailed.",
	"cite_spans": [
	{
	"start": 24,
	"end": 48,
	"text": "Ross' 1967 dissertation.",
	"ref_id": null
	}
	],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "While Ross' study was important, and he came up with several important constraints on the form of transformations, much work remains.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "Lakoff an~ Postal are also working on related questions.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "Let me llst here some of the constraints Ross gave in his thesis:",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "I) The complex NP constraint.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "No element contained in a sentence dominated by a mounphrase withxa lexical head noun may be moved out of that noun phrase by a transformation. (p, 127)",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "2) The o~oss-over condition. No NPmentioned in the structural index of a transformation may be reordered by that rule in such a way as to cross over a coreferential NP. (p. 132) 3)T~e coordinate structure constraint. In a coordinate structure, no conjunct may be moved, nor may any element ~ontained in a conjunct be moved out of that conjunct. (p. 161 )",
	"cite_spans": [
	{
	"start": 165,
	"end": 177,
	"text": "NP. (p. 132)",
	"ref_id": null
	}
	],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "~) The pied piping convention. Any transformation which is stated in such a way as to effect the reordering of some specified node NP, where this node is preceded and followed by variables in the structural index of the rule, may apply to this NP or to any noncoordinate NP which dominates it, as long as there are no occurences of any coordinate node, nor of the node S, on the branch connecting the higher node and the specified node.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "(That is,:",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "...any NP above some specified one may be reorder-e~, instead of the specified one, but there are environments where the lower NP ~ay not be moved, and only some higher one can, consonant with the conditions imposed ~rn the convention. A very important constraint occurs on p. 480 of the thesis, but I omit it here because it contains many terms I would not care to define here. I reccomend Ross' dissertation for anyone with doubts about any deep principles of language organization emerging from our studies in transformational grammar.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "He will be cured.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "Recently George Lakoff has studied the notion of \"derivational constraint\". This study is quite recent and still very very hairy, but hints in his 1969 CLS paper, and comments by Postal on it suggest that rule odering is merely a special case or manifestation of a deeper principle of grammar organization. The next revolution effected by generative semantics may well be to drop rule ordering from our canons.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "For various reasons (partly that it interests me mere ) I will have much more to say here about lexlcal insertion than I will about constraints on transformations, although undoubtedly the . latter is ultimately o~ much greater importance.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "Until 1965 or so, it was assumed that the terminal symbols of a P-marker are lexical items; the lexicon merely assigns properties to these items.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "Bruber in his 1965",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "If-13 dissertation argued that certain transformations had to occur before lexical items entered trees: that is, that there were pre-lex\u00b1cal transformations.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "Before Gruber, the system of semantics was one in which T-rules generated from deep structures surface str%~ctures and P-rules generated semantic representations for those deep structures. \u2022 T~lis was the theory of intepretive semantics (as in Katz and Postal, for ex. ) Gr~ber proposed a derivational semantics. Gruber intended to \"show va-~ consistently recurrent semantic relationships among parts of the sentence and among different sentences, which can best be explained by the existence of some underlying pattern of which the syntactic structure is a particular manifestation.\" (p.l) He concluded that \"a level at which semantic interpretation w~ll be relevant will ... be deeper than the level of 'deep structure' in syntax.\" (p.2) Later Lakoff showed evidence that in fact the level of semantic interpretation was that of deep structure, but argued that (as Gruber said) \"syntax and semantics will have the same representation at the prelexical level\"(p. 3): a single set of rules would transform semantic structures containing no lexical items into surface syntactic representations containing them.",
	"cite_spans": [
	{
	"start": 244,
	"end": 270,
	"text": "Katz and Postal, for ex. )",
	"ref_id": null
	}
	],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "The s~udy of lexical insertion, the process by which the underlying semantic elements are grouped into units replaceable ~y surface lexical items has led to a large literature containing a great many questions, and some positive answers.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "An important paper was McCawley's 1968 paper, \"Lexical insertion in a transformational grammar without deep structure.\" There he started by assuming various points concluded in other papers of his.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "He very clearly presents some of the tehots of generative semantics, so with some repetition from above I quote these points here : I. Syntactic and semantic representations are of the same formal nature....",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "II -Ii",
	"sec_num": null
	},
	{
	"text": "There is a single system of rules ... which relates semantic representation ~o surface structure through intermediate stages.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "2.",
	"sec_num": null
	},
	{
	"text": "representation to surface structure, terminal nodea may have for labels 'referential indices' such as were ~ntroduced in Chomsky 1965 .... In semantic representation, only indices and 'predicates' a~e terminal node labels ....",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "11-14",
	"sec_num": null
	},
	{
	"text": "McCawley then defined tdictionary entry' as a transformation which replaced part of a tree by a surface lexical item. He expressed doubt these rules could be ordered internally or external, since it would hardly be possible, for example, that some question would arise as to the relative ordering of the transformation introducing the word horse and that extraposing NP's in two dialects, that is, ~he ~rdering could not possibly matter.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "11-14",
	"sec_num": null
	},
	{
	"text": "He then raised several possibilities as to the relative ordering of the lexical rules v~s-a-vis other rules. Are the lexical rules last, first, or where? McCawley argued for the lexical rules applying Just before the post-cyclic rules, and adduced evidence for several rules, predicate-raising, equi-NP deletion, etc., being pre-lexlcal.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "11-14",
	"sec_num": null
	},
	{
	"text": "In his 1968 LSA paper, Jerry L. Morgan of the U;~Iversity of Chicago added to this. He pointed out 'the rather strong assumptlon that lexical_items only 'replace' constituents.\" (P.3) He wrote, \"~he process of syntactic derivation begins with semantic representation in terms of trees containing very highly abstract semantic terms, operating upon this by means of rules permuting, deleting, and collapsing parts of the representation, finally deriving a structure whose constituents are replaced by lexical items.\" (p. 3) He then s~ated a very strong claim of the theory:",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "11-14",
	"sec_num": null
	},
	{
	"text": "Given the set of universal pre-~exical rules, the set of universal semantlo primitives, and the set of universal constraints on the operation of rules, such as those described by Ross 1967 , these define the universal set of possible lexical items in their semantic aspect; that is, they rule out as impossible am infinit~ classof a priori possible \"meanings\" a lexlcal item could have. (P.4)",
	"cite_spans": [
	{
	"start": 179,
	"end": 188,
	"text": "Ross 1967",
	"ref_id": null
	}
	],
	"ref_spans": [],
	"eq_spans": [],
	"section": "11-14",
	"sec_num": null
	},
	{
	"text": "A second very strong claim of the theory is:",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "Insofar as the selection from, and details of implementation of, the universal set of rules is language-specific, the idiosyncracies of a given language in this respect will also be reflected by systematic gaps in the lexicon. The same is true for the set of semantic primitives and the se~ of constraints on rules. .... (P.4-5)",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "Morgan came up with some restrictions on lexical items : only I) \"lexical items Jan replace a constituent which ,! is not labelled S.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "(p.6)",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "2) \"verbs cannot incorporate referential indi~es.\"(p.6)",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "One l~Lher point to be made is that lexical items can only replace well-formed sub~rees.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "My own work has been concerned with specifying classes of possible lexical items and accounting for the syntactic properties of verbs in terms of their semantics, thereby attempting to capture the intuition long familiar from traditional grammar that certain ~emantic classes of verbs, such as \"verbs of giving and taking\" or \"verbs of motion\" also form syntactic classes and hence their syntactic properties can be regarded as derived from their semantics. Georgia Green of the University of Chicago has presented a paper (1969) which is also interesting in terms of lexical insertion.",
	"cite_spans": [
	{
	"start": 523,
	"end": 529,
	"text": "(1969)",
	"ref_id": null
	}
	],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "She tends to regard lexical insertion hs fairly ~ivorced from morphology, and views lexical insertion as the replacement of an entire sub-tree by a surface lexical item which may contain more than one morpheme as ~lassically defined.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "This position is somewhat different from my own, as I regard lexical insertion as primarily involving the replacement of items on a i-I basis.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "However, this is an empirical question and only future research will decide which of us is more nearly correct. He opted fo~ a \"Weinreichian\" lexicon in which lexical items were combinations of semantic, syntactic~ and phonological information.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "McCawley supported this with this evidence: the reason John is sadder than that book. is bad is that the two sads in the underlying structure of the sentence are d~erent lexical items. They therefore cannot participate in comparison: John is as sad as that book he read yesterday. He exploits his employees more than the oppurtunity to please. *Is Brazil as independent as the continuum hypothesis?",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "(exx. of Chomsky's. )",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "McCawley called for a theory of \"implioaticnal relations\", since in cases such as the ambiguity of warm the ambiguity is not a property of the item itself but-B'~--a class of items, and therefore such an ambiguity must be specified in terms of general principles. NcCawley was not clear about the nature of these implicational r~lations, so that the nature of the relationship of the various sads was more or less left open.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "I have discussed the no-~on of systematic ambiguity, where the ambiguities of an entire class of verbs is specified in terms of the derivational process underlying them all, not Just in terms o~ a descriptive statement.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "Thus we are seeking to explain lexical gaps in terms of statements such as \"The reason some language L lacks a verb \u00a5 glossing the verb W in the language M is that M, but not L, has the transformation T.\"",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "Anyone familiar with the lexicons of French, ~n~lish, and German, for example, knows that there are certain kinds of verb which are not typical of one or another of these languages which nonetheless readily occur in the others. Such verbs are derived by processes occuring in one but not another language, and our task is to discover and describe such processes.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "Thus we may ultimately be able to tell how the class o~ French verbs, say, differs from II-17 the class of all possible verbs.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "I have attempted in these few pages to present a digest of some works in the paradigm of generative semantics.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "I have not really attempted to provide even an elementary guide to the methods of generative s~mantics or to its conclusions, its findings, but I hope I have explicated somewhat its goals and given some insight into the direction in which it is moving. Some very strong claims are forthcoming on the nature of grammars and languages and hence of language itself.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "A tremendous amount of work needs to be done, but one can see clearly that one possible end point of this work will be a very comprehensive, very strong theory of language competence that has a great deal to say about human be ings.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "One perhaps minor point, though, looms up large here:",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "generative semantics relates semantic structures to stu~face sentences by a single Eet of r~les.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "There are s-~veral versions of transformational grammar that do this, but generative semantics is perhaps the most-Ceveloped of these.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "But as the saying goes, what goes up must come down: we may paraphrase this as: what can be generated, can be analyzed.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "T~e theory permits, idsally, an algorithmic translation of a surface string into one or more underlying semantic structures.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "For computational linguistics, that may be its most appealing feature.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "Robert I. \"Semantic and syntactic classes of verbs.\" Mimeo. \"The lexicon in a derivational semantic theory ~ofJrna~Sf~i~\u00b0~ lslnlg~i~tics 1 In Chicago i i ab from University Microfilms, AnnA~bor, Michigan, as ser~l s-372. \"On the nature of the 'lexical item'\", in Darden etal. \"On transforma~ionally derived verbs in a ~rammar of English\", .Ditto, read at LSAo",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "The characterization of abstract lexical entities\", ~Ditto, read at ACL.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "\"Transitive verbs and lexical insertion\", dittoed, read at Kansas and CLS. \"Predicative structure.\" Unpublished Ph.D. diss.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "If-19",
	"sec_num": null
	},
	{
	"text": "Paul Postal, in a 196~ paper, \"Underlying and superficial linguistic structure\", seemed to rule out any principled approach to the study of performance.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "But it seems clear to me that performance has me, ely been a catch-all term used by linguists with a lot of nasty facts on their hands they had no way of handling.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "In section III mentioned the treatment of semi-grammatical sentences as they used to be called. Now I think we should be able to treat so-called sentence fragments as being part of language proper.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "I see no reason, once we get over our hang-ups with sharp categorization of grammaticality and Judgments of grammaticality in null context, why we cannot have a principled treatment of sentence fragments.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "Another area ~sually relegated to Never-never land is that of the structure of discourse.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "Obviously the sentence pairs",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "Harry is a fool.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "He voted for Richard Nixon. Ha voted for Richard Nixon.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "Harry is a vote.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "are not equivalent. Imagine if we take every other sentence on a page, say, the beginning of Matthew 2. The result is hardly a well-formed discourse. Now the birth of Jesus came about in this way. But her husband, Joseph, was an upright man and did not wish to disgrace her, and he decided to break off the engagement privately.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "\"Joseph, descendent of David, do not fear ~o take Mary, your wife, to your home, for it is through the in/'luence of the holy Spirit that she is to become a mother.\"",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "All this happened in fulfillment of what the Lord said through the prophet .... But he did not live with her as a husband until she had had a son, and he named the child Jesus. \"Where is the newly born king of the Jews?\"",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "To now, it has generally been held that the structure of discourse is linear, that is, sentences are strung together one after the other and well-formedness is based on kow well these sentences string.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "But the context is vital to the form of a sentence.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "Similarly, whether III-2 two clauses are united or put into separate sentences depends on context: by context we cannot mean m~rely the two sentences on either side of the sentence in question, nor can we mean the n sentences to either side. ~is is quite as mad as the foll~ of the early 50's that syntax was a matter of which words had what probability of occurir~ n words to either side of a given word.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "~at we need is a grammar, a generative grammar, a transformational grammar, of discourse, based on the same methods that have been developed in syntax over the last decade. This worm was pioneered by George Lakoff's 196~ study of Russian folk-tales, in which he revised Propp's phrase structure grammar of the \"morphology\" of Ruszian ~olk-tales.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "I subsequently re-modified Lakoff-s work and programmed it in COMIT for a 7090-7094 machine to generate plot outlines of Russian folktales.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "The results were partly abominable and partly amusing, but the point is that while hardly any discourse is as steretyped as Russian folktales or US patents, that certain structures nonetheless occur which are larger than the sentence. The notions of subordination and coordination of sentences and even whole discourses are quite valid and quite amenable to inve st~gation.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "A third class of problems concern logic.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "The implications of a sentence may be quite as important as the statements made by it.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "We linguists are only beginning to investigate presupposition, implication, insinuation, assertion, etc., but philosophershave been aware of these problems for a long time ano a large literature exists. We want a machine to get as much information out of a sentence as a human would.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "A fourth class of problems concern memory. Any program must involve knowledge.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "H~mans do not use language in vacuo.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "Suppose I know that Sherlock Holmes is a tall, thin man.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "Suppose further that a fat, short man comes up to me and tells me he is Sherlock Holmes.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "If my memory and logic components are going full blast I immediately suggest to the gentleman that a)he is either lying, or b)could use a good psychiatrist, or c)he has a bad sense of humor.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "W~ would not like the computer to read a sarcastic sentence, such as \"Surely they have a right to do unto others what they would not want others to do unto them\" and file it away neatly.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "We need to give the computer a &ertain amount of linguistic sophistocation as far as irony, insinuation, and such go.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "This might seem overly optimistic, since most human beings lack this ability, but let me suggest that the goal of computational linguistics is to understand human capabilities, not reproduce them, something which can be done far cheaper by producing new human beings t~ru natural means than producing software in our labs. The only thing keeping us from programming ~omputers to~ for example, have a sense of human, is our peculiar delusion that we can't do it.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "So these are the problems that have not been the subject of serious research.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "Note that I do not mean by this that no one has ewr looked at them and found anything out.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "~en Newton was Platonian enough to realize that nothing new is ever discovered under the sun.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "But no linguist operating in terms of a formalized or quasi-formalized system has studied these problems very much.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "This is not to say that certain conclusions about the future construction of a theory of language use cannot be drawn from ou~ present ignorance. T~e rest of this section will be devoted to how we with our Neanderthalic knowledge of language can outline a decent formal theory of 'la parole', something that we would want to do, I think, even had the computer never been invented.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "(~nd of sermon.)",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "One question which arises ~ere is what the nature of underlying semantic structures is.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "Do people think in trees?",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "McCawley in his article on the base rejected the notion of derivation.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "Instead he instituted a system of \"node-sdmisslbility conditions\".",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "These are actually conditions on the well-formedness of trees.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "Any object meeting these requirements is a w ll-formed tree, otherwise it is not (although I have yet to settle in my own mind whether an ill-formed tree is still a tree, Just as I have been confused about whether an Ill-formed sentence of English is still a sentence of gngllsh at al~l.) Each NAC has the form <a; BC> which is read, \"a node A is admissible if it immediately and exclusively dominates a node labelled B and a node labelled C.\" NAC's generate trees directly, as opposed to rewriting rules which, in Choms~y's system, first go through a derivation, from which trees are then constructed.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "But the important point here is \"Grammars are written by fools llke me, but only God can make a tree\": meaning iii-~ that linguists need not concern themselves with the origin of trees to discover their properties.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "Of course, if we are to be manipulating semantic structures, we are going to have to be concerned with where trees come from.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "A more basic question is whether the kinds of trees generative semantics claims to be semantic are reasonable semantic structures, that is, whether the investigator in artificial intelligence, for example, could live with them.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "I think there is a very good chance that this is the case.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "The basic elements of these trees are as follows.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "We have referential indices referencing individuals.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "I think that in any system we will need a device such as this.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "Both these indices and larger entities called senetences or S,s can be dominated by the category N.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "I think again that any system will heed to consider sentences recursive in this way.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "Then we will need predicates of arbitrary \"weight\", tho' in natural language the number of N's associated with any predicate V will undoubtedly be rather small.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "One possible counter to this is obviated if we assure that we have ways of referring to sets.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "Then we can define S as a V and associated N's.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "This is not really a bad scheme.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "Where it does fall down is in its failure to reflect ~yper-propositional relations.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "The conceptual universe of a person is not a bunch of unrelated trees or sentences (propositions).",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "We will want ways to connect the Napoleon of \"Napoleon ate cheese\" with that of \"NapoEeon hated Elba\".",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "Thus the conceptual universe is a network, with a far more complex structure than our underlying semantic trees.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "We therefore need some set of rules for isolating part of this network to serve as the underlying tree for some surface sentence or set of sentences, since it may turn out from our study of the structure of discourse that the unit of generation is larger than the sentence.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "More will be said on these matters in section IV.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "III-i EXTENSION AND MODIFICATION O~ TH~ THEORY",
	"sec_num": null
	},
	{
	"text": "PART IV. The understanding machine.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "One basic goal of research into computational linguistics might be to investigate how information is extracted from linguistic source data.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "(ultimately this ties into such questions as that of automated abstracting.) That component of our projected understanding machine which will model the information abstracting process let us dub the \"info grabber~.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "The info grabber of course is not isolated.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "It will have to be connected with a logic component and a memory with which it will interact.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "Nor is this the whole picture. As shown below one needs also a way of encoding the semantic output of the_logic component for later output as linguistic data. Therefore the whole system will look like:",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "I~i nguistlc[~INFO \"' ~LoGIc ource I1\"~1 ~RAB- ata (LSD)~ BER ~output If SPEW- ~ata (LOD)II ~ER F",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "Notice that I have dubbed that component ~ahich synthesizes the LOD the \"infox spewer\". W e can regard the above as a reasonable model not only of an understanding machine, but of the speaker. The above model would certainly be of use in the study of the use o f a natural language as a computer input-output language both for programming and for other applications, such as interaction between student and teaching machine in an educational program. I have made some study of such a system, which I called EASIOL (English as an Input-output Language), taking into account the results of the two studies I know of which approximated what I was after, namely Daniel Bobrow's STUDINT program, reported on in \"A Question Answering System for High School Algebra Word Problems\" Proc. FJCC 25, !9641 and in Scientific American S~ptember 198b, pp. 252-260, which was BobroW's IV-2 research for his doctorate.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "Bobrow modified LISPo_in the direction of COMIT, walling the hybrid METEOR. Re system he evolved has a fair amount of flexibdlity and generality, and can doal with many kinds of problems expressed in st~llzed language. I might criticize Bobrow for his naivete over natural language, but since I am even more naive about information processing I will not do so.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "A second system which I have heard later evolved into a more general system, is the BASEBALL program reported on by Green, Wolf, Carol 0homsky, and Laughery in the Feigenbaum-Feldman voltume, Computers and Thou~t. This system bases itself on a ra~-h-er stylized t~e of data structure.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "I have not followed the prc~ress of either of these projects, but both Betray inherent faults that made it unlikely t11at either could form the basis for a more general system operating on actual discourse.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "Nonetheless, these systems are very convincing for those Who think that language is the sacrosanct birthright of human Beings and that computers will never Be able to hahdle such tasks as writing abstracts of articles.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "The above model is also a reasonable model of human speakers (if we forget that people differ from machines in essential ways --vive la dlff@rence.T ) The first part of the \"info grab\" is the read-ln.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "Hopefully this will someday Be done by the machine itself, via optical reader or speech analyzer. I think that research on readers and a~alyzers has in general been unhappy because of a failure to realize how complex recognition b~ humans is. Recognition is not simply an ootlcal or auditory problem.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "All levels of language must interact in the process.\" it is well-known that real speech is more easily handled than ~pproxlmants to speech,",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "x~this can only be d~e to the recognition process being cyclic and operating slm~ltaneously on all levels.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "The slmpllst recognition routines would involve something lik~ : Indeed, we have to connect up t~e logic and the memory to this system. Below is a real sample of my handwriting when writing rapidly.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "No recognition routine, not even my own human one can at all times decipher this garbage.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "Redundancy is pretty near nil and such words as '!of\", \"as\", \"a\", and \"or\" tend to be homologous.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "What a human reader can't do, we can hardly . expeet a machine to do. But humans can gmess from context what a word must be, and then see if the squiggle on the page is close enough.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "This involves both syntactic and semantic recognition, and if we ever want machine reading of handwriting, we must give the machine this capability. But suppose the reader still can'~ handle the writing?",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "I suppose then we want ~t to get the logic component to intiate a question such as,\" What is that?\" $2",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "IV-I",
	"sec_num": null
	},
	{
	"text": "That is, we want the computer to be able to go thru the whole set of levels.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "Iv-4",
	"sec_num": null
	},
	{
	"text": "This will necessitate a much more complicated program than those around today, incorporating a greater amount of linguistic expertise, but undoubtedly it is necessary.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "Iv-4",
	"sec_num": null
	},
	{
	"text": "Let us assume that the info grabber has grabbed the info, it ~_ll have (1) to store this information in the memory, and (2) ~et the logic component examine the information.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "Iv-4",
	"sec_num": null
	},
	{
	"text": "Suppose I know that Richard Daley is the mayor of Chicago, and I read in a Chicago newspaper that the ~ayor of Chicago is the greatest man in the world. The LSD m~st somehow be so stored that I can retrieve from my memory the fact that RichardDa__~l~ is thot~t to be the greatest man in the w---~~t newspaper.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "Iv-4",
	"sec_num": null
	},
	{
	"text": "This raises . the question of how to convert underlying semantic trees into subnets of the semantic network of which memory probably consists, hmny of the features incorporated into \u2022 Sidney Lamb's conceptual networks will, I think, be incorporatable into the moddl. In particular, all occurences of a particular entity (concept) will have to be linked in some way or identified.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "Iv-4",
	"sec_num": null
	},
	{
	"text": "In a sense info grabbing starts by analyzing the LSD into semantic structures, and ends by synthesizing these structures and those already in memory into a new memory network.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "Iv-4",
	"sec_num": null
	},
	{
	"text": "One point that should be made clear is that all information will have to be represented on the same level. That is, both the program and the data will reside in the same memory net, as in a computer.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "Iv-4",
	"sec_num": null
	},
	{
	"text": "Reading an algorithm in a book, the machine will store this in its memory Just as it stores part of its own program, and it will be able to either quote the algorithm later as linguistic material as part of info retrieval, or use that algorithm as part of its own logical operations.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "Iv-4",
	"sec_num": null
	},
	{
	"text": "There is some question the as to ~hether this quite ideal machine could actually function in this way.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "Iv-4",
	"sec_num": null
	},
	{
	"text": "But human beings are like this in some ways, and it is part of their language capability that they should or could.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "Iv-4",
	"sec_num": null
	},
	{
	"text": "The process of info spewing is a reverse of the info grab.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "Iv-4",
	"sec_num": null
	},
	{
	"text": "The logic component will initiate the spew, using part of the memory net and selecting one or more underlying trees to spew out.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "Iv-4",
	"sec_num": null
	},
	{
	"text": "It will then",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "Iv-4",
	"sec_num": null
	},
	{
	"text": "IV-5 go through the derivational process and ultimately genera@e an actual string of sentences. Perhaps feedback will enter here, so that the machine can utilize part of its own spewings as immediate LSD, although it is hard to see why the machine would need to do so, altho humans are constantly correcting themselves mid-sentence.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "3S",
	"sec_num": null
	},
	{
	"text": "An obvious question is what the role of generative semantics in all t~Is.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "3S",
	"sec_num": null
	},
	{
	"text": "I think the experience of CL has been ~ in general that ad hoc programs don't work.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "3S",
	"sec_num": null
	},
	{
	"text": "W e need a basic linguistic theory. I think generative semantics is the best bet.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "3S",
	"sec_num": null
	},
	{
	"text": "But as I noted, it is a theory of cometence.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "3S",
	"sec_num": null
	},
	{
	"text": "We will need to modify it. I think we need to l) admit rules of non-recoverable deletion, 2) admit rules for hypersentential constructs, and 3) build strong interactions with lo~ic and memory components.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "3S",
	"sec_num": null
	},
	{
	"text": "In particular, the relationship of underlying semantic structures to conceptual networks will have to he investigated in depth.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "3S",
	"sec_num": null
	},
	{
	"text": "If the hypotheses of the GS linguists are correct, then we have a simple but powerful basis for programs directly transforming language source materials into semantic information usuable by programs.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "3S",
	"sec_num": null
	},
	{
	"text": "For example, if the semantic structures turn out to be universal, they can servq as a pivot or intermediary for the currently out of fashion goal of MT.",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "3S",
	"sec_num": null
	},
	{
	"text": "$4",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "3S",
	"sec_num": null
	},
	{
	"text": ". In the earlier stages of the conversion from semantic",
	"cite_spans": [],
	"ref_spans": [],
	"eq_spans": [],
	"section": "",
	"sec_num": null
	}
	],
	"back_matter": [],
	"bib_entries": {
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