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Proceedings of the Web Conference 2021
Quantity queries, with filter conditions on quantitative measures of entities, are beyond the functionality of search engines and QA assistants. To enable such queries over web contents, this paper develops a novel method for automatically extracting quantity facts from ad-hoc web tables. This involves recognizing quantities, with normalized values and units, aligning them with the proper entities, and contextualizing these pairs with informative cues to match sophisticated queries withdoi:10.1145/3442381.3450072 fatcat:p7l4as6amre33kqdlkua7kwj64