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import json
import textwrap
import datasets
from datasets.tasks import QuestionAnsweringExtractive
# TODO(tydiqa): BibTeX citation
_CITATION = """\
@article{tydiqa,
title = {TyDi QA: A Benchmark for Information-Seeking Question Answering in Typologically Diverse Languages},
author = {Jonathan H. Clark and Eunsol Choi and Michael Collins and Dan Garrette and Tom Kwiatkowski and Vitaly Nikolaev and Jennimaria Palomaki}
year = {2020},
journal = {Transactions of the Association for Computational Linguistics}
}
"""
# TODO(tydiqa):
_DESCRIPTION = """\
TyDi QA is a question answering dataset covering 11 typologically diverse languages with 204K question-answer pairs.
The languages of TyDi QA are diverse with regard to their typology -- the set of linguistic features that each language
expresses -- such that we expect models performing well on this set to generalize across a large number of the languages
in the world. It contains language phenomena that would not be found in English-only corpora. To provide a realistic
information-seeking task and avoid priming effects, questions are written by people who want to know the answer, but
don’t know the answer yet, (unlike SQuAD and its descendents) and the data is collected directly in each language without
the use of translation (unlike MLQA and XQuAD).
"""
_LANG = ["arabic", "bengali", "english", "finnish", "indonesian", "japanese", "korean", "russian", "swahili", "telugu", "thai"]
_URL = "https://huggingface.co/datasets/khalidalt/tydiqa-goldp/resolve/main/{split}/{language}-{split}.jsonl"
_VERSION = datasets.Version("1.1.0", "")
class tydiqa_GoldP(datasets.GeneratorBasedBuilder):
BUILDER_CONFIGS = [
datasets.BuilderConfig(
name=lang,
description=f"tydiqa-GoldP language {lang}",
version=_VERSION,
)
for lang in _LANG
]
def _info(self):
# TODO(tydiqa): Specifies the datasets.DatasetInfo object
return datasets.DatasetInfo(
description=_DESCRIPTION,
features=datasets.Features(
{
"id": datasets.Value("string"),
"language": datasets.Value("string"),
"document_title": datasets.Value("string"),
"passage_text": datasets.Value("string"),
"question_text": datasets.Value("string"),
"answers": datasets.features.Sequence(
{
"text": datasets.Value("string"),
"start_byte": datasets.Value("int32"),
"limit_byte": datasets.Value("int32"),
}
),
}
),
# No default supervised_keys (as we have to pass both question
# and context as input).
supervised_keys=None,
homepage="https://github.com/google-research-datasets/tydiqa",
citation=_CITATION,
task_templates=[
QuestionAnsweringExtractive(
question_column="question", context_column="context", answers_column="answers"
)
],
)
def _split_generators(self, dl_manager):
"""Returns SplitGenerators."""
# TODO(tydiqa): Downloads the data and defines the splits
# dl_manager is a datasets.download.DownloadManager that can be used to
# download and extract URLs
language = self.config.name
splits = {datasets.Split.TRAIN: "train", datasets.Split.VALIDATION: "dev"}
data_urls = {
split: _URL.format(language=language, split=splits[split]) for split in splits
}
dl_paths = dl_manager.download(data_urls)
return [
datasets.SplitGenerator(
name=split,
gen_kwargs={"filepath": dl_paths[split]},
)
for split in splits
]
def _generate_examples(self, filepath):
"""Yields examples."""
# TODO(tydiqa): Yields (key, example) tuples from the dataset
with open(filepath, encoding="utf-8") as f:
for _id,row in enumerate(f):
data = json.loads(row)
yield _id, data
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