{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:BSIFW3BWDF3C52ACZMLYN7T6JF","short_pith_number":"pith:BSIFW3BW","schema_version":"1.0","canonical_sha256":"0c905b6c3619762ee802cb1786fe7e4942468fcb00d5810fce386ab349864288","source":{"kind":"arxiv","id":"1906.05505","version":4},"attestation_state":"computed","paper":{"title":"Scalable Community Detection over Geo-Social Network","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SI"],"primary_cat":"cs.DB","authors_text":"Amarnath Gupta, Qiyu Liu, Xiuwen Zheng","submitted_at":"2019-06-13T06:50:02Z","abstract_excerpt":"We consider a community finding problem called Co-located Community Detection (CCD) over geo-social networks, which retrieves communities that satisfy both high structural tightness and spatial closeness constraints. To provide a solution that benefits from existing studies on community detection, we decouple the spatial constraint from graph structural constraint and propose a uniform CCD framework which gives users the freedom to choose customized measurements for social cohesiveness (e.g., $k$-core or $k$-truss). For the spatial closeness constraint, we apply the bounded radius spatial cons"},"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":"1906.05505","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2019-06-13T06:50:02Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"f2905eba9689a479366c5e6f268d55273243a5c85b1bf8759e7bf4920ffd8200","abstract_canon_sha256":"75a9fdbff452398b686532b543df3f96e711e81d09b068dd51e461f457b38884"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:01:00.736190Z","signature_b64":"csh/G1akh5SpXEY2Yf2jlnIrrCJORhtLV0eV/XIIY9VJWhyODRd6TwBTeOPlYp9gPyNQBFbhEacEMc1aFW3XDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0c905b6c3619762ee802cb1786fe7e4942468fcb00d5810fce386ab349864288","last_reissued_at":"2026-07-05T00:01:00.735703Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:01:00.735703Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Scalable Community Detection over Geo-Social Network","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SI"],"primary_cat":"cs.DB","authors_text":"Amarnath Gupta, Qiyu Liu, Xiuwen Zheng","submitted_at":"2019-06-13T06:50:02Z","abstract_excerpt":"We consider a community finding problem called Co-located Community Detection (CCD) over geo-social networks, which retrieves communities that satisfy both high structural tightness and spatial closeness constraints. To provide a solution that benefits from existing studies on community detection, we decouple the spatial constraint from graph structural constraint and propose a uniform CCD framework which gives users the freedom to choose customized measurements for social cohesiveness (e.g., $k$-core or $k$-truss). For the spatial closeness constraint, we apply the bounded radius spatial cons"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.05505","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1906.05505/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"1906.05505","created_at":"2026-07-05T00:01:00.735763+00:00"},{"alias_kind":"arxiv_version","alias_value":"1906.05505v4","created_at":"2026-07-05T00:01:00.735763+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.05505","created_at":"2026-07-05T00:01:00.735763+00:00"},{"alias_kind":"pith_short_12","alias_value":"BSIFW3BWDF3C","created_at":"2026-07-05T00:01:00.735763+00:00"},{"alias_kind":"pith_short_16","alias_value":"BSIFW3BWDF3C52AC","created_at":"2026-07-05T00:01:00.735763+00:00"},{"alias_kind":"pith_short_8","alias_value":"BSIFW3BW","created_at":"2026-07-05T00:01:00.735763+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/BSIFW3BWDF3C52ACZMLYN7T6JF","json":"https://pith.science/pith/BSIFW3BWDF3C52ACZMLYN7T6JF.json","graph_json":"https://pith.science/api/pith-number/BSIFW3BWDF3C52ACZMLYN7T6JF/graph.json","events_json":"https://pith.science/api/pith-number/BSIFW3BWDF3C52ACZMLYN7T6JF/events.json","paper":"https://pith.science/paper/BSIFW3BW"},"agent_actions":{"view_html":"https://pith.science/pith/BSIFW3BWDF3C52ACZMLYN7T6JF","download_json":"https://pith.science/pith/BSIFW3BWDF3C52ACZMLYN7T6JF.json","view_paper":"https://pith.science/paper/BSIFW3BW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1906.05505&json=true","fetch_graph":"https://pith.science/api/pith-number/BSIFW3BWDF3C52ACZMLYN7T6JF/graph.json","fetch_events":"https://pith.science/api/pith-number/BSIFW3BWDF3C52ACZMLYN7T6JF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BSIFW3BWDF3C52ACZMLYN7T6JF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BSIFW3BWDF3C52ACZMLYN7T6JF/action/storage_attestation","attest_author":"https://pith.science/pith/BSIFW3BWDF3C52ACZMLYN7T6JF/action/author_attestation","sign_citation":"https://pith.science/pith/BSIFW3BWDF3C52ACZMLYN7T6JF/action/citation_signature","submit_replication":"https://pith.science/pith/BSIFW3BWDF3C52ACZMLYN7T6JF/action/replication_record"}},"created_at":"2026-07-05T00:01:00.735763+00:00","updated_at":"2026-07-05T00:01:00.735763+00:00"}