Delete loading script
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CAS.py
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import os
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import random
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import datasets
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import numpy as np
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_CITATION = """\
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@inproceedings{grabar-etal-2018-cas,
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title = {{CAS}: {F}rench Corpus with Clinical Cases},
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author = {Grabar, Natalia and Claveau, Vincent and Dalloux, Cl{\'e}ment},
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year = 2018,
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month = oct,
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booktitle = {
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Proceedings of the Ninth International Workshop on Health Text Mining and
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Information Analysis
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},
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publisher = {Association for Computational Linguistics},
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address = {Brussels, Belgium},
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pages = {122--128},
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doi = {10.18653/v1/W18-5614},
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url = {https://aclanthology.org/W18-5614},
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abstract = {
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Textual corpora are extremely important for various NLP applications as
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they provide information necessary for creating, setting and testing these
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applications and the corresponding tools. They are also crucial for
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designing reliable methods and reproducible results. Yet, in some areas,
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such as the medical area, due to confidentiality or to ethical reasons, it
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is complicated and even impossible to access textual data representative of
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those produced in these areas. We propose the CAS corpus built with
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clinical cases, such as they are reported in the published scientific
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literature in French. We describe this corpus, currently containing over
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397,000 word occurrences, and the existing linguistic and semantic
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annotations.
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}
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}
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"""
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_DESCRIPTION = """\
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We manually annotated two corpora from the biomedical field. The ESSAI corpus \
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contains clinical trial protocols in French. They were mainly obtained from the \
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National Cancer Institute The typical protocol consists of two parts: the \
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summary of the trial, which indicates the purpose of the trial and the methods \
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applied; and a detailed description of the trial with the inclusion and \
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exclusion criteria. The CAS corpus contains clinical cases published in \
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scientific literature and training material. They are published in different \
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journals from French-speaking countries (France, Belgium, Switzerland, Canada, \
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African countries, tropical countries) and are related to various medical \
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specialties (cardiology, urology, oncology, obstetrics, pulmonology, \
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gastro-enterology). The purpose of clinical cases is to describe clinical \
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situations of patients. Hence, their content is close to the content of clinical \
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narratives (description of diagnoses, treatments or procedures, evolution, \
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family history, expected audience, etc.). In clinical cases, the negation is \
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frequently used for describing the patient signs, symptoms, and diagnosis. \
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Speculation is present as well but less frequently.
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This version only contain the annotated CAS corpus
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"""
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_HOMEPAGE = "https://clementdalloux.fr/?page_id=28"
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_LICENSE = 'Data User Agreement'
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_URL = "data.zip"
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class CAS(datasets.GeneratorBasedBuilder):
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DEFAULT_CONFIG_NAME = "pos"
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BUILDER_CONFIGS = [
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datasets.BuilderConfig(name="pos", version="1.0.0",
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description="The CAS corpora - POS Speculation task"),
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datasets.BuilderConfig(name="cls", version="1.0.0",
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description="The CAS corpora - CLS Negation / Speculation task"),
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datasets.BuilderConfig(name="ner_spec", version="1.0.0",
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description="The CAS corpora - NER Speculation task"),
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datasets.BuilderConfig(name="ner_neg", version="1.0.0",
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description="The CAS corpora - NER Negation task"),
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]
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def _info(self):
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if self.config.name.find("pos") != -1:
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features = datasets.Features(
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{
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"id": datasets.Value("string"),
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"document_id": datasets.Value("string"),
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"tokens": [datasets.Value("string")],
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"lemmas": [datasets.Value("string")],
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"pos_tags": [datasets.features.ClassLabel(
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names=[
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'B-ABR', 'B-ADJ', 'B-ADV', 'B-DET:ART', 'B-DET:POS', 'B-INT',
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'B-KON', 'B-NAM', 'B-NOM', 'B-NUM',
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'B-PRO:DEM', 'B-PRO:IND', 'B-PRO:PER',
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'B-PRO:REL', 'B-PRP', 'B-PRP:det', 'B-PUN', 'B-PUN:cit',
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'B-SENT', 'B-SYM', 'B-VER:con', 'B-VER:cond', 'B-VER:futu',
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'B-VER:impf', 'B-VER:infi', 'B-VER:pper', 'B-VER:ppre',
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'B-VER:pres', 'B-VER:simp', 'B-VER:subi', 'B-VER:subp'
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],
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)],
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}
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)
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elif self.config.name.find("cls") != -1:
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features = datasets.Features(
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{
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"id": datasets.Value("string"),
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"document_id": datasets.Value("string"),
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"tokens": [datasets.Value("string")],
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"label": datasets.features.ClassLabel(
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names=['negation_speculation', 'negation', 'neutral', 'speculation'],
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),
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}
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)
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elif self.config.name.find("ner") != -1:
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if self.config.name.find("_spec") != -1:
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names = ['O', 'B_xcope_inc', 'I_xcope_inc']
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elif self.config.name.find("_neg") != -1:
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names = ['O', 'B_scope_neg', 'I_scope_neg']
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features = datasets.Features(
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{
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"id": datasets.Value("string"),
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"document_id": datasets.Value("string"),
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"tokens": [datasets.Value("string")],
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"lemmas": [datasets.Value("string")],
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"ner_tags": [datasets.features.ClassLabel(
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names=names,
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)],
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}
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)
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return datasets.DatasetInfo(
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description=_DESCRIPTION,
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features=features,
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supervised_keys=None,
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homepage=_HOMEPAGE,
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license=str(_LICENSE),
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citation=_CITATION,
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)
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def _split_generators(self, dl_manager):
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data_dir = dl_manager.download_and_extract(_URL).rstrip("/")
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return [
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datasets.SplitGenerator(
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name=datasets.Split.TRAIN,
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gen_kwargs={
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"datadir": data_dir,
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"split": "train",
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},
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),
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datasets.SplitGenerator(
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name=datasets.Split.VALIDATION,
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gen_kwargs={
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"datadir": data_dir,
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"split": "validation",
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},
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),
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datasets.SplitGenerator(
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name=datasets.Split.TEST,
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gen_kwargs={
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"datadir": data_dir,
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"split": "test",
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},
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),
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]
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def _generate_examples(self, datadir, split):
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all_res = []
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key = 0
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subset = self.config.name.split("_")[-1]
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unique_id_doc = []
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if self.config.name.find("ner") != -1:
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docs = [f"CAS_{subset}.txt"]
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else:
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docs = ["CAS_neg.txt", "CAS_spec.txt"]
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for file in docs:
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filename = os.path.join(datadir, file)
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if self.config.name.find("pos") != -1:
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id_docs = []
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id_words = []
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words = []
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lemmas = []
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POS_tags = []
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with open(filename) as f:
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for line in f.readlines():
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splitted = line.split("\t")
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if len(splitted) < 5:
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continue
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id_doc, id_word, word, lemma, tag = splitted[0:5]
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if len(splitted) >= 8:
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tag = splitted[6]
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if tag == "@card@":
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print(splitted)
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if word == "@card@":
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print(splitted)
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if lemma == "000" and tag == "@card@":
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tag = "NUM"
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word = "100 000"
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lemma = "100 000"
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elif lemma == "45" and tag == "@card@":
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tag = "NUM"
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# if id_doc in id_docs:
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# continue
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id_docs.append(id_doc)
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id_words.append(id_word)
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words.append(word)
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lemmas.append(lemma)
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POS_tags.append(f'B-{tag}')
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dic = {
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"id_docs": np.array(list(map(int, id_docs))),
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"id_words": id_words,
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"words": words,
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"lemmas": lemmas,
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"POS_tags": POS_tags,
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}
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for doc_id in set(dic["id_docs"]):
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indexes = np.argwhere(dic["id_docs"] == doc_id)[:, 0]
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tokens = [dic["words"][id] for id in indexes]
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text_lemmas = [dic["lemmas"][id] for id in indexes]
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pos_tags = [dic["POS_tags"][id] for id in indexes]
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if doc_id not in unique_id_doc:
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all_res.append({
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"id": str(doc_id),
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"document_id": doc_id,
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"tokens": tokens,
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"lemmas": text_lemmas,
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"pos_tags": pos_tags,
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})
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unique_id_doc.append(doc_id)
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# key += 1
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elif self.config.name.find("ner") != -1:
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id_docs = []
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id_words = []
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words = []
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lemmas = []
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ner_tags = []
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with open(filename) as f:
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for line in f.readlines():
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if len(line.split("\t")) < 5:
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continue
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id_doc, id_word, word, lemma, _ = line.split("\t")[0:5]
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tag = line.replace("\n", "").split("\t")[-1]
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if tag == "***" or tag == "_":
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tag = "O"
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elif tag == "I_xcope_inc_":
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tag = "I_xcope_inc"
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# elif tag == "v":
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# tag = "I_scope_spec"
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# elif tag == "z":
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# tag = "O"
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id_docs.append(id_doc)
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id_words.append(id_word)
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words.append(word)
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lemmas.append(lemma)
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ner_tags.append(tag)
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dic = {
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"id_docs": np.array(list(map(int, id_docs))),
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"id_words": id_words,
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"words": words,
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"lemmas": lemmas,
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"ner_tags": ner_tags,
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}
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for doc_id in set(dic["id_docs"]):
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indexes = np.argwhere(dic["id_docs"] == doc_id)[:, 0]
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tokens = [dic["words"][id] for id in indexes]
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text_lemmas = [dic["lemmas"][id] for id in indexes]
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ner_tags = [dic["ner_tags"][id] for id in indexes]
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all_res.append({
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"id": key,
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"document_id": doc_id,
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"tokens": tokens,
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"lemmas": text_lemmas,
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"ner_tags": ner_tags,
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})
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key += 1
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elif self.config.name.find("cls") != -1:
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f_in = open(filename, "r")
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conll = [
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[b.split("\t") for b in a.split("\n")]
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for a in f_in.read().split("\n\n")
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]
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f_in.close()
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classe = "negation" if filename.find("_neg") != -1 else "speculation"
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for document in conll:
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if document == [""]:
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continue
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identifier = document[0][0]
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unique = list(set([w[-1] for w in document]))
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tokens = [sent[2] for sent in document if len(sent) > 1]
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if "***" in unique:
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l = "neutral"
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elif "_" in unique:
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l = classe
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if identifier in unique_id_doc and l == 'neutral':
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continue
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elif identifier in unique_id_doc and l != 'neutral':
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index_l = unique_id_doc.index(identifier)
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if all_res[index_l]["label"] != "neutral":
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l = "negation_speculation"
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all_res[index_l] = {
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"id": str(identifier),
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"document_id": identifier,
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"tokens": tokens,
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"label": l,
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}
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else:
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all_res.append({
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"id": str(identifier),
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"document_id": identifier,
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"tokens": tokens,
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"label": l,
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})
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unique_id_doc.append(identifier)
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ids = [r["id"] for r in all_res]
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random.seed(4)
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random.shuffle(ids)
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random.shuffle(ids)
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random.shuffle(ids)
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train, validation, test = np.split(ids, [int(len(ids)*0.70), int(len(ids)*0.80)])
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if split == "train":
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allowed_ids = list(train)
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elif split == "validation":
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allowed_ids = list(validation)
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elif split == "test":
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allowed_ids = list(test)
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for r in all_res:
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if r["id"] in allowed_ids:
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yield r["id"], r
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