| { |
| "paper_id": "P91-1049", |
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| "date_generated": "2023-01-19T09:03:29.595410Z" |
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| "title": "Non-Literal Word Sense Identification Through Semantic Network Path Schemata", |
| "authors": [ |
| { |
| "first": "Eric", |
| "middle": [], |
| "last": "Lverson", |
| "suffix": "", |
| "affiliation": { |
| "laboratory": "", |
| "institution": "New Mexico State Unive~ty Las Cruc~", |
| "location": { |
| "postBox": "Box 30001/3CRL", |
| "postCode": "88003-0001", |
| "region": "NM" |
| } |
| }, |
| "email": "" |
| }, |
| { |
| "first": "Stephen", |
| "middle": [], |
| "last": "Helmreich", |
| "suffix": "", |
| "affiliation": { |
| "laboratory": "", |
| "institution": "New Mexico State Unive~ty Las Cruc~", |
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| "postBox": "Box 30001/3CRL", |
| "postCode": "88003-0001", |
| "region": "NM" |
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| "email": "" |
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| "year": "", |
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| "abstract": "", |
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| "paper_id": "P91-1049", |
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| "abstract": [], |
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| "text": "When computer programs disambiguate words in a sentence, they often encounter non-literal or novel usages not included in their lexicon. In a recent study, Georgia Green (personal communication) estimated that 17% to 20% of the content word senses encountered in various types of normal English text are not fisted in the dictionary. While these novel word senses are generally valid, they occur in such great numbers, and with such little individual frequency that it is impractical to explicity include them all within the lexicon. Instead, mechanisms are needed which can derive novel senses from existing ones; thus allowing a program to recognize a significant set of potential word senses while keeping its lexicon within a reasonable size.", |
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| "text": "Spreading activation is a mechanism that allows us to do this. Here the program follows paths from existing word senses stored in a semantic network to other closely associated word senses. By examining the shape of the resultant path, we can determine the relationship between the senses con-~ned in the path; thus deriving novel composite meanings not contained within any of the original lexical entries. This process is similar to the spreading activation and marker passing techniques of Hirst [1988] , Charniak [1986] , and Norvig [1989] and is embodied in the Prolog program metallel based on Fass' program meta5 (Fass [1988] ).", |
| "cite_spans": [ |
| { |
| "start": 493, |
| "end": 505, |
| "text": "Hirst [1988]", |
| "ref_id": "BIBREF2" |
| }, |
| { |
| "start": 508, |
| "end": 523, |
| "text": "Charniak [1986]", |
| "ref_id": null |
| }, |
| { |
| "start": 530, |
| "end": 543, |
| "text": "Norvig [1989]", |
| "ref_id": "BIBREF3" |
| }, |
| { |
| "start": 620, |
| "end": 632, |
| "text": "(Fass [1988]", |
| "ref_id": "BIBREF1" |
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| "text": "Metallel's lexicon is written as a series of sense frames, each containing information about a particular word sense. A sense frame can he broken into two main parts: genera and differentiae. Genera are the genus terms that function as the ancestors of a word sense. Differentiae denote the qualities that distinguish a particular sense from other senses of the same genus. Differentiae can be broken down into source and target which hold, respectively, the preferences t and properties of a sense. Source con-=dns differentiae mform~on concen~g another word sense. Target infocma~on concerns the sense itself.", |
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| "text": "Connections can be found to other word senses in one of two ways: through an ancestor relationship (genus) er through a preference or property relationship (differentia). In the case of differentiae, it is necessary to extract the word senses from a higher order structure.", |
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| { |
| "text": "For example,", |
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| "section": "", |
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| { |
| "text": "[it (n, z), contain (v, l), n~asic (n, Z) ]", |
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| "text": "is not a word sens\u00a2 ~at is LL~ted in the lexicon, while ~asic (n, i) is Us~L It is therefore necessary to ex~act rausic (n,Z) from the larger dfffereada s~ucmre which it occurs and add it to the path.", |
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| "text": "Not all paths are valid, indicating that some criteria of acceptability are needed during analysis. In addition, paths that are superficially different often end up being quite similar upon further analysis. Keeping this in mind, we have attempted to identify path schemata and associate them wkh types of nonliteral usage. Specifically, we have concentrated on identifying instances of metaphor and metonymy.", |
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| "text": "A metaphorical path schema is one in which the preference of a verb and the actual target of the preference both reference different 3 place differentiae 2 which can be said to be related. Two 3 place z Pn:f=mce* indicate the zema~dc category c~ the word =ca== dug fill= \u2022 specific u~umfic teL= with ~ w the word =ca== being de\u00a3u~L For \u00a2xamp~. d~ mm~v\u00a2 ~mse of d~ verb e~ pmfen Cm normal u~ge) == =n~m=\u00a2 ~bje~ and --e~b~= objoc~ Vk~uiom of ~=~ pmfcnmc= =m mdicmiom ~ aou- [kcnd mmg~ (See Wflk= and Fus [1990] .) z A 3 ,,~=_~_-diff=~m6= ~ a li= of tomes following a [Subject, Verb, Object] foemat in which ei~h= the Subject or the Objc~o0asbt= ofd~~mkm it (n, 1).", |
| "cite_spans": [ |
| { |
| "start": 472, |
| "end": 508, |
| "text": "[kcnd mmg~ (See Wflk= and Fus [1990]", |
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| "text": "differentiae are related if both their respective robjeers and objects are identical or form a \"sister\" relationship 3. Additictmlly, the two verbs of the differentiae as well as the verb which generated the preference must have a similar relationship", |
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| }, |
| { |
| "text": "The ship ploughed the waves.", |
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| "text": "ship (n, 1) -anc-> watercraft (n, 1) -prop-> [it (n, i), sail (v, 2), water (n, 2) ] -link-> water (n, 2) -anc-> environment (n, I) <-ancsoil (n, I) <-link-[it (n, 1), plough (v, 2), soil (n, 1) ] <-propplough (n, 1) <-instplough (v, i) -ohj-> soil(n, 1) -ant-> environment (n, I) <-antwater (n, 2) <-partwave (n, I)", |
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| "text": "For example in the path for the senw.nce The ship ploughed the waves, A metonymic path is indicated when a path is found from a target sense through one of its inherited differentiae; thus linking the original sense to a related sense through a property or preference rela.", |
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| "text": "[it (n, 1), sail (v, 2), water (n, i) ] and [it (n, 1), plough (v, 2), soil (n, 1) ] are related ~ plough (v, 1), plough(v, 2) and sail(v, 2) a~ ch~dlP~ of transfer (v, i),", |
| "cite_spans": [], |
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| { |
| "text": "tionship. For example in the sen~nce Denise drank the bottle, one of the properties of bottle (n, 1) is", |
| "cite_spans": [], |
| "ref_spans": [], |
| "eq_spans": [], |
| "section": "", |
| "sec_num": null |
| }, |
| { |
| "text": "[it (n, 1), contain (v, 1), liquid (n, 1) 1.", |
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| "text": "This differealia allows us to derive a novel metonymic word sense for bottle in which the bottle's conwmts are denoted rather than the boule itself. Under memUel, any differentia can act as a conduit for a memnymy; thus facilitating the generation of novel metonymies as well as novel word senses. By using semantic network path schemata to identify instances of non-literal usage, we have expanded the power of our program without doing so at the expense of a larger lexicon. In addition, by keeping our semantic relationship and path schema criteria at a general level, we hope to be able to cover a wide variety of different semantic taxonomies.", |
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| }, |
| { |
| "text": "A pivot no& is a no& whh two ~i edges\"", |
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| "BIBREF0": { |
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| "text": "l) , thereby indicating an even monger relationship between the insmmaent and the object of the senwnce. Thus, an analogy exists between ploughing soil and sailing water;, suggesting a new sense of plough that combines aspects of beth.", |
| "uris": null, |
| "num": null, |
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