{"work":{"id":"bdfe173b-b1a3-45f1-808f-43cec2d4666e","openalex_id":null,"doi":"10.1162/tacl_a_00266","arxiv_id":null,"raw_key":null,"title":"C o QA : A Conversational Question Answering Challenge","authors":null,"authors_text":"Reddy, Siva and Chen, Danqi and Manning, Christopher D","year":2019,"venue":null,"abstract":null,"external_url":"https://doi.org/10.1162/tacl_a_00266","cited_by_count":null,"metadata_source":"doi_reference","metadata_fetched_at":"2026-06-29T04:43:06.421776+00:00","pith_arxiv_id":null,"created_at":"2026-05-08T21:44:18.323212+00:00","updated_at":"2026-06-29T04:43:06.421776+00:00","title_quality_ok":true,"display_title":"C o QA : A Conversational Question Answering Challenge","render_title":"C o QA : A Conversational Question Answering Challenge"},"hub":{"state":{"work_id":"bdfe173b-b1a3-45f1-808f-43cec2d4666e","tier":"hub","tier_reason":"10+ Pith inbound or 1,000+ external citations","pith_inbound_count":18,"external_cited_by_count":null,"distinct_field_count":5,"first_pith_cited_at":"2022-07-28T17:40:47+00:00","last_pith_cited_at":"2026-06-26T07:17:11+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":"2026-06-29T12:18:48.472035+00:00","tier_text":"hub"},"tier":"hub","role_counts":[{"context_role":"background","n":1},{"context_role":"dataset","n":1}],"polarity_counts":[{"context_polarity":"unclear","n":1},{"context_polarity":"use_dataset","n":1}],"runs":{},"summary":{},"graph":{},"authors":[]}}