upload qa_discourse.py script
Browse files- qa_discourse.py +146 -0
qa_discourse.py
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# coding=utf-8
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# Copyright 2020 The HuggingFace Datasets Authors and the current dataset script contributor.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""A Dataset loading script for the QA-Discourse dataset (Pyatkin et. al., ACL 2020)."""
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import datasets
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from pathlib import Path
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from typing import List
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import pandas as pd
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_CITATION = """\
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@inproceedings{pyatkin2020qadiscourse,
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title={QADiscourse-Discourse Relations as QA Pairs: Representation, Crowdsourcing and Baselines},
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author={Pyatkin, Valentina and Klein, Ayal and Tsarfaty, Reut and Dagan, Ido},
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booktitle={Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP)},
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pages={2804--2819},
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year={2020}
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}"""
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_DESCRIPTION = """\
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The dataset contains question-answer pairs to model discourse relations.
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While answers roughly correspond to spans of the sentence, these spans could have been freely adjusted by annotators to grammaticaly fit the question;
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Therefore, answers are given just as text and not as identified spans of the original sentence.
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See the paper for details: QADiscourse - Discourse Relations as QA Pairs: Representation, Crowdsourcing and Baselines, Pyatkin et. al., 2020
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"""
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_HOMEPAGE = "https://github.com/ValentinaPy/QADiscourse"
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_LICENSE = """Resources on this page are licensed CC-BY 4.0, a Creative Commons license requiring Attribution (https://creativecommons.org/licenses/by/4.0/)."""
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_URLs = {
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"wikinews.train": "https://github.com/ValentinaPy/QADiscourse/raw/master/Dataset/wikinews_train.tsv",
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"wikinews.dev": "https://github.com/ValentinaPy/QADiscourse/raw/master/Dataset/wikinews_dev.tsv",
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"wikinews.test": "https://github.com/ValentinaPy/QADiscourse/raw/master/Dataset/wikinews_test.tsv",
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"wikipedia.train": "https://github.com/ValentinaPy/QADiscourse/raw/master/Dataset/wikipedia_train.tsv",
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"wikipedia.dev": "https://github.com/ValentinaPy/QADiscourse/raw/master/Dataset/wikipedia_dev.tsv",
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"wikipedia.test": "https://github.com/ValentinaPy/QADiscourse/raw/master/Dataset/wikipedia_test.tsv",
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}
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# TODO: Name of the dataset usually match the script name with CamelCase instead of snake_case
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class QaDiscourse(datasets.GeneratorBasedBuilder):
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"""QA-Discourse: Discourse Relations as Question-Answer Pairs. """
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VERSION = datasets.Version("1.0.0")
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BUILDER_CONFIGS = [
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datasets.BuilderConfig(
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name="plain_text", version=VERSION, description="This provides the QA-Discourse dataset"
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),
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]
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DEFAULT_CONFIG_NAME = (
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"plain_text" # It's not mandatory to have a default configuration. Just use one if it make sense.
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)
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def _info(self):
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features = datasets.Features(
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{
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"sentence": datasets.Value("string"),
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"sent_id": datasets.Value("string"),
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"question": datasets.Sequence(datasets.Value("string")),
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"answers": datasets.Sequence(datasets.Value("string")),
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}
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)
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return datasets.DatasetInfo(
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# This is the description that will appear on the datasets page.
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description=_DESCRIPTION,
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# This defines the different columns of the dataset and their types
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features=features, # Here we define them above because they are different between the two configurations
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# If there's a common (input, target) tuple from the features,
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# specify them here. They'll be used if as_supervised=True in
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# builder.as_dataset.
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supervised_keys=None,
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# Homepage of the dataset for documentation
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homepage=_HOMEPAGE,
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# License for the dataset if available
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license=_LICENSE,
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# Citation for the dataset
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citation=_CITATION,
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)
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def _split_generators(self, dl_manager: datasets.utils.download_manager.DownloadManager):
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"""Returns SplitGenerators."""
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# Download and prepare all files - keep same structure as _URLs
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corpora = {section: Path(dl_manager.download_and_extract(_URLs[section]))
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for section in _URLs}
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return [
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datasets.SplitGenerator(
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name=datasets.Split.TRAIN,
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# These kwargs will be passed to _generate_examples
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gen_kwargs={
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"filepaths": [corpora["wikinews.train"],
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corpora["wikipedia.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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# These kwargs will be passed to _generate_examples
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gen_kwargs={
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"filepaths": [corpora["wikinews.dev"],
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corpora["wikipedia.dev"]],
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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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# These kwargs will be passed to _generate_examples
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gen_kwargs={
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"filepaths": [corpora["wikinews.test"],
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corpora["wikipedia.test"]],
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},
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),
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]
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def _generate_examples(self, filepaths: List[str]):
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""" Yields QA-Discourse examples from a tsv file."""
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# merge annotations from sections
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df = pd.concat([pd.read_csv(fn, separator='\t') for fn in filepaths]).reset_index()
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for counter, row in df.iterrows():
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# Prepare question (3 "slots" and question mark)
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question = [row.question_start, row.question_aux, row.question_body.str.rstrip('?'), '?']
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yield counter, {
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"sentence": row.sentence,
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"sent_id": row.qasrl_id,
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"question": question,
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"answers": [row.answer],
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}
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