{"work":{"id":"9ce112e7-e6f9-4837-9a98-f630f620a73b","openalex_id":"https://openalex.org/W4311252752","doi":"10.48550/arxiv.2212.05055","arxiv_id":"2212.05055","raw_key":null,"title":"arXiv preprint arXiv:2212.05055 (2022)","authors":null,"authors_text":"Komatsuzaki,A","year":2022,"venue":"arXiv (Cornell University)","abstract":null,"external_url":"https://arxiv.org/abs/2212.05055","cited_by_count":12,"metadata_source":"arxiv_reference","metadata_fetched_at":"2026-08-05T02:28:24.338817+00:00","pith_arxiv_id":null,"created_at":"2026-05-10T03:29:21.453456+00:00","updated_at":"2026-08-05T02:28:24.338817+00:00","title_quality_ok":false,"display_title":"Sparse upcycling: Training mixture-of-experts from dense checkpoints","render_title":"Sparse upcycling: Training mixture-of-experts from dense checkpoints"},"hub":{"state":{"work_id":"9ce112e7-e6f9-4837-9a98-f630f620a73b","tier":"hub","tier_reason":"10+ Pith inbound or 1,000+ external citations","pith_inbound_count":18,"external_cited_by_count":12,"distinct_field_count":4,"first_pith_cited_at":"2023-05-22T17:16:38+00:00","last_pith_cited_at":"2026-07-01T00:42:40+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":"2026-08-17T23:39:51.325774+00:00","tier_text":"hub"},"tier":"hub","role_counts":[{"context_role":"background","n":2}],"polarity_counts":[{"context_polarity":"background","n":2}],"runs":{},"summary":{},"graph":{},"authors":[]}}