{"work":{"id":"36c00860-e248-432b-864c-9ff0740d4ac0","openalex_id":null,"doi":null,"arxiv_id":null,"raw_key":"raw:34fb1ece8a98c3231e47aea3","title":"Natural questions: a benchmark for question answering research.Transactions of the Association for Computational Linguistics, 7:453–466, 2019","authors":null,"authors_text":"Tom Kwiatkowski, Jennimaria Palomaki, Olivia Redfield, Michael Collins, Ankur Parikh, Chris Alberti, Danielle Epstein, Illia Polosukhin, Jacob Devlin, Kenton Lee, et al","year":2019,"venue":null,"abstract":null,"external_url":null,"cited_by_count":null,"metadata_source":"raw_reference","metadata_fetched_at":"2026-05-27T10:23:56.326465+00:00","pith_arxiv_id":null,"created_at":"2026-05-11T09:15:09.077086+00:00","updated_at":"2026-05-27T10:23:56.326465+00:00","title_quality_ok":true,"display_title":"Natural questions: a benchmark for question answering research.Transactions of the Association for Computational Linguistics, 7:453–466","render_title":"Natural questions: a benchmark for question answering research.Transactions of the Association for Computational Linguistics, 7:453–466"},"hub":{"state":{"work_id":"36c00860-e248-432b-864c-9ff0740d4ac0","tier":"hub","tier_reason":"10+ Pith inbound or 1,000+ external citations","pith_inbound_count":10,"external_cited_by_count":null,"distinct_field_count":3,"first_pith_cited_at":"2025-05-16T08:26:59+00:00","last_pith_cited_at":"2026-05-13T13:46:35+00:00","author_build_status":"not_needed","summary_status":"needed","contexts_status":"needed","graph_status":"needed","ask_index_status":"not_needed","reader_status":"not_needed","recognition_status":"not_needed","updated_at":"2026-05-29T22:50:39.580948+00:00","tier_text":"hub"},"tier":"hub","role_counts":[{"context_role":"dataset","n":4}],"polarity_counts":[{"context_polarity":"use_dataset","n":4}],"runs":{},"summary":{},"graph":{},"authors":[]}}