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import json |
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import datasets |
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_CITATION = ''' |
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@article{Lawrie2022HC4, |
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author = {Dawn Lawrie and James Mayfield and Douglas W. Oard and Eugene Yang}, |
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title = {HC4: A New Suite of Test Collections for Ad Hoc CLIR}, |
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booktitle = {{Advances in Information Retrieval. 44th European Conference on IR Research (ECIR 2022)}, |
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year = {2022}, |
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month = apr, |
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publisher = {Springer}, |
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series = {Lecture Notes in Computer Science}, |
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site = {Stavanger, Norway}, |
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url = {https://arxiv.org/abs/2201.09992} |
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} |
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''' |
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import ir_datasets |
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langs = ['fa', 'ru', 'zh'] |
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fields = ['title', 'desc', 'title_desc'] |
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lang_fields = [f'{lang}-{field}' for lang in langs for field in fields] |
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_DESCRIPTION = 'dataset load script for HC4' |
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class HC4(datasets.GeneratorBasedBuilder): |
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BUILDER_CONFIGS = [datasets.BuilderConfig( |
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version=datasets.Version('1.0.0'), |
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name=lf, description=f'HC4: {lf}.' |
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) for lf in lang_fields |
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] |
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def _info(self): |
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features = datasets.Features({ |
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'query_id': datasets.Value('string'), |
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'query': datasets.Value('string'), |
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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='https://github.com/hltcoe/HC4', |
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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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lang_field = self.config.name |
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splits = [ |
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datasets.SplitGenerator( |
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name=set_name, |
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gen_kwargs={ |
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'lang_field': lang_field, |
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'set_name': set_name, |
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}, |
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) for set_name in ['dev', 'test'] |
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] |
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return splits |
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def _generate_examples(self, lang_field, set_name): |
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lang, field = lang_field.split('-') |
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if lang not in lang: |
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raise ValueError(f"Unexpected language: {lang}") |
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if field not in fields: |
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raise ValueError(f"Unexpected field: {field}") |
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dataset = ir_datasets.load(f'hc4/{lang}/{set_name}') |
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for query in dataset.queries_iter(): |
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if field == 'title': |
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q = query.title |
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elif field == "desc": |
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q = query.description |
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else: |
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q = f"{query.title} {query.description}" |
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yield query.query_id, {'query_id': query.query_id, 'query': q} |
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