{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:ZLSQYXYIGFTDO7FFPYMXB2DJBU","short_pith_number":"pith:ZLSQYXYI","schema_version":"1.0","canonical_sha256":"cae50c5f083166377ca57e1970e8690d0ca0ce1a8bbb3ebf3b342652dcc35585","source":{"kind":"arxiv","id":"1903.06879","version":2},"attestation_state":"computed","paper":{"title":"Ontology Based Global and Collective Motion Patterns for Event Classification in Basketball Videos","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chang Wen Chen, Dezhong Xu, Jiaoyu He, Lifang Wu, Meng Jian, Yaowen Xu, Zhou Yang","submitted_at":"2019-03-16T04:52:02Z","abstract_excerpt":"In multi-person videos, especially team sport videos, a semantic event is usually represented as a confrontation between two teams of players, which can be represented as collective motion. In broadcast basketball videos, specific camera motions are used to present specific events. Therefore, a semantic event in broadcast basketball videos is closely related to both the global motion (camera motion) and the collective motion. A semantic event in basketball videos can be generally divided into three stages: pre-event, event occurrence (event-occ), and post-event. In this paper, we propose an on"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1903.06879","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-16T04:52:02Z","cross_cats_sorted":[],"title_canon_sha256":"3243d5eb8ae6b2ddfd468f98800d3f670e3a635d44078bb7c041737a59ba16c7","abstract_canon_sha256":"7e2af43c8b17a00d8e158e8a39713350c2e30d4a92c9f65fd5029587aed292b8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:54.672773Z","signature_b64":"xfsxHTRL1NuisKLBZ4dxGKI13hjfyzubE8q3MiivJoMMLjqH0eyDFS4AQ6vfJ7qWt5FM/3GUNV9D00cxqKEUAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cae50c5f083166377ca57e1970e8690d0ca0ce1a8bbb3ebf3b342652dcc35585","last_reissued_at":"2026-05-17T23:50:54.671990Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:54.671990Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ontology Based Global and Collective Motion Patterns for Event Classification in Basketball Videos","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chang Wen Chen, Dezhong Xu, Jiaoyu He, Lifang Wu, Meng Jian, Yaowen Xu, Zhou Yang","submitted_at":"2019-03-16T04:52:02Z","abstract_excerpt":"In multi-person videos, especially team sport videos, a semantic event is usually represented as a confrontation between two teams of players, which can be represented as collective motion. In broadcast basketball videos, specific camera motions are used to present specific events. Therefore, a semantic event in broadcast basketball videos is closely related to both the global motion (camera motion) and the collective motion. A semantic event in basketball videos can be generally divided into three stages: pre-event, event occurrence (event-occ), and post-event. In this paper, we propose an on"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.06879","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1903.06879","created_at":"2026-05-17T23:50:54.672095+00:00"},{"alias_kind":"arxiv_version","alias_value":"1903.06879v2","created_at":"2026-05-17T23:50:54.672095+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.06879","created_at":"2026-05-17T23:50:54.672095+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZLSQYXYIGFTD","created_at":"2026-05-18T12:33:33.725879+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZLSQYXYIGFTDO7FF","created_at":"2026-05-18T12:33:33.725879+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZLSQYXYI","created_at":"2026-05-18T12:33:33.725879+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ZLSQYXYIGFTDO7FFPYMXB2DJBU","json":"https://pith.science/pith/ZLSQYXYIGFTDO7FFPYMXB2DJBU.json","graph_json":"https://pith.science/api/pith-number/ZLSQYXYIGFTDO7FFPYMXB2DJBU/graph.json","events_json":"https://pith.science/api/pith-number/ZLSQYXYIGFTDO7FFPYMXB2DJBU/events.json","paper":"https://pith.science/paper/ZLSQYXYI"},"agent_actions":{"view_html":"https://pith.science/pith/ZLSQYXYIGFTDO7FFPYMXB2DJBU","download_json":"https://pith.science/pith/ZLSQYXYIGFTDO7FFPYMXB2DJBU.json","view_paper":"https://pith.science/paper/ZLSQYXYI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1903.06879&json=true","fetch_graph":"https://pith.science/api/pith-number/ZLSQYXYIGFTDO7FFPYMXB2DJBU/graph.json","fetch_events":"https://pith.science/api/pith-number/ZLSQYXYIGFTDO7FFPYMXB2DJBU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZLSQYXYIGFTDO7FFPYMXB2DJBU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZLSQYXYIGFTDO7FFPYMXB2DJBU/action/storage_attestation","attest_author":"https://pith.science/pith/ZLSQYXYIGFTDO7FFPYMXB2DJBU/action/author_attestation","sign_citation":"https://pith.science/pith/ZLSQYXYIGFTDO7FFPYMXB2DJBU/action/citation_signature","submit_replication":"https://pith.science/pith/ZLSQYXYIGFTDO7FFPYMXB2DJBU/action/replication_record"}},"created_at":"2026-05-17T23:50:54.672095+00:00","updated_at":"2026-05-17T23:50:54.672095+00:00"}