{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:DR3SONQ4IP32J7CYU3ACHUEKNJ","short_pith_number":"pith:DR3SONQ4","canonical_record":{"source":{"id":"1610.03579","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2016-10-12T02:12:18Z","cross_cats_sorted":[],"title_canon_sha256":"c45f17cd7fdda906102d4b9475a12ced7c3a868fe671d2f32f2371c7df89b58d","abstract_canon_sha256":"992fa573be5f5e9b78eef1627602658233700e96a1c5a98e71bbadb69df4cf58"},"schema_version":"1.0"},"canonical_sha256":"1c7727361c43f7a4fc58a6c023d08a6a42a7eca35391f3eb1a86390edf3631fb","source":{"kind":"arxiv","id":"1610.03579","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.03579","created_at":"2026-05-18T01:01:37Z"},{"alias_kind":"arxiv_version","alias_value":"1610.03579v2","created_at":"2026-05-18T01:01:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.03579","created_at":"2026-05-18T01:01:37Z"},{"alias_kind":"pith_short_12","alias_value":"DR3SONQ4IP32","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DR3SONQ4IP32J7CY","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DR3SONQ4","created_at":"2026-05-18T12:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:DR3SONQ4IP32J7CYU3ACHUEKNJ","target":"record","payload":{"canonical_record":{"source":{"id":"1610.03579","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2016-10-12T02:12:18Z","cross_cats_sorted":[],"title_canon_sha256":"c45f17cd7fdda906102d4b9475a12ced7c3a868fe671d2f32f2371c7df89b58d","abstract_canon_sha256":"992fa573be5f5e9b78eef1627602658233700e96a1c5a98e71bbadb69df4cf58"},"schema_version":"1.0"},"canonical_sha256":"1c7727361c43f7a4fc58a6c023d08a6a42a7eca35391f3eb1a86390edf3631fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:01:37.458173Z","signature_b64":"mTDFLFlLMHnulnl7rNjtfMHYSdQOa78eVrAVTZUgVbzQing6vBXzZtnYIMefIEFUjCcsd0HE+JYbBaOq2ShQDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c7727361c43f7a4fc58a6c023d08a6a42a7eca35391f3eb1a86390edf3631fb","last_reissued_at":"2026-05-18T01:01:37.457414Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:01:37.457414Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.03579","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:01:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J3pvp7p0Y7oj6c45Serdr3xZfVH8nL4VUzYNjVbSvPFpmXX4dK1f6DCZslXXyoQM9AJxjNa0Civ702DbsTG5Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T04:24:52.419672Z"},"content_sha256":"a5da8f5e40a608f7ab2defa86bda7832cd17a7f138f56eb5e9e01568b1fee3bf","schema_version":"1.0","event_id":"sha256:a5da8f5e40a608f7ab2defa86bda7832cd17a7f138f56eb5e9e01568b1fee3bf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:DR3SONQ4IP32J7CYU3ACHUEKNJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Monitoring the Top-m Aggregation in a Sliding Window of Spatial Queries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DB","authors_text":"Farhana M. Choudhury, J. Shane Culpepper, Timos Sellis, Zhifeng Bao","submitted_at":"2016-10-12T02:12:18Z","abstract_excerpt":"In this paper, we propose and study the problem of top-m rank aggregation of spatial objects in streaming queries, where, given a set of objects O, a stream of spatial queries (kNN or range), the goal is to report m objects with the highest aggregate rank. The rank of an object w.r.t. an individual query is computed based on its distance from the query location, and the aggregate rank is computed from all of the individual rank orderings. Solutions to this fundamental problem can be used to monitor the popularity of spatial objects, which in turn can provide new analytical tools for spatial da"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.03579","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:01:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P8eWoHYLjJOZMPuPdR/03BrZdlzbMtzwtR8E2qd7C48U1QnQ86Kfm6lkXyM/odlijTDcYCYzic64nu6RLDkfBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T04:24:52.420026Z"},"content_sha256":"9d90608d8d4046c9269379a269ceb2a2ac4b153ada1afd94d3acc06c6a287ebc","schema_version":"1.0","event_id":"sha256:9d90608d8d4046c9269379a269ceb2a2ac4b153ada1afd94d3acc06c6a287ebc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DR3SONQ4IP32J7CYU3ACHUEKNJ/bundle.json","state_url":"https://pith.science/pith/DR3SONQ4IP32J7CYU3ACHUEKNJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DR3SONQ4IP32J7CYU3ACHUEKNJ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-31T04:24:52Z","links":{"resolver":"https://pith.science/pith/DR3SONQ4IP32J7CYU3ACHUEKNJ","bundle":"https://pith.science/pith/DR3SONQ4IP32J7CYU3ACHUEKNJ/bundle.json","state":"https://pith.science/pith/DR3SONQ4IP32J7CYU3ACHUEKNJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DR3SONQ4IP32J7CYU3ACHUEKNJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:DR3SONQ4IP32J7CYU3ACHUEKNJ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"992fa573be5f5e9b78eef1627602658233700e96a1c5a98e71bbadb69df4cf58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2016-10-12T02:12:18Z","title_canon_sha256":"c45f17cd7fdda906102d4b9475a12ced7c3a868fe671d2f32f2371c7df89b58d"},"schema_version":"1.0","source":{"id":"1610.03579","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.03579","created_at":"2026-05-18T01:01:37Z"},{"alias_kind":"arxiv_version","alias_value":"1610.03579v2","created_at":"2026-05-18T01:01:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.03579","created_at":"2026-05-18T01:01:37Z"},{"alias_kind":"pith_short_12","alias_value":"DR3SONQ4IP32","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DR3SONQ4IP32J7CY","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DR3SONQ4","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:9d90608d8d4046c9269379a269ceb2a2ac4b153ada1afd94d3acc06c6a287ebc","target":"graph","created_at":"2026-05-18T01:01:37Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"In this paper, we propose and study the problem of top-m rank aggregation of spatial objects in streaming queries, where, given a set of objects O, a stream of spatial queries (kNN or range), the goal is to report m objects with the highest aggregate rank. The rank of an object w.r.t. an individual query is computed based on its distance from the query location, and the aggregate rank is computed from all of the individual rank orderings. Solutions to this fundamental problem can be used to monitor the popularity of spatial objects, which in turn can provide new analytical tools for spatial da","authors_text":"Farhana M. Choudhury, J. Shane Culpepper, Timos Sellis, Zhifeng Bao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2016-10-12T02:12:18Z","title":"Monitoring the Top-m Aggregation in a Sliding Window of Spatial Queries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.03579","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:a5da8f5e40a608f7ab2defa86bda7832cd17a7f138f56eb5e9e01568b1fee3bf","target":"record","created_at":"2026-05-18T01:01:37Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"992fa573be5f5e9b78eef1627602658233700e96a1c5a98e71bbadb69df4cf58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2016-10-12T02:12:18Z","title_canon_sha256":"c45f17cd7fdda906102d4b9475a12ced7c3a868fe671d2f32f2371c7df89b58d"},"schema_version":"1.0","source":{"id":"1610.03579","kind":"arxiv","version":2}},"canonical_sha256":"1c7727361c43f7a4fc58a6c023d08a6a42a7eca35391f3eb1a86390edf3631fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c7727361c43f7a4fc58a6c023d08a6a42a7eca35391f3eb1a86390edf3631fb","first_computed_at":"2026-05-18T01:01:37.457414Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:01:37.457414Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mTDFLFlLMHnulnl7rNjtfMHYSdQOa78eVrAVTZUgVbzQing6vBXzZtnYIMefIEFUjCcsd0HE+JYbBaOq2ShQDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:01:37.458173Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.03579","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a5da8f5e40a608f7ab2defa86bda7832cd17a7f138f56eb5e9e01568b1fee3bf","sha256:9d90608d8d4046c9269379a269ceb2a2ac4b153ada1afd94d3acc06c6a287ebc"],"state_sha256":"66259f9582fac9e7977554a10556b9b12a0a2a103eeaeedcf668781a22e027a3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6D8F946Yt4NsnuWaTCeMcuUyFqVY8TFavPicnLyFPusuytnF3OygPhsGsUUXULIoqfGH/ai1K8Xa9foX8eVQBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T04:24:52.422186Z","bundle_sha256":"acbb82c5b974066b973306e858c49bc28490ef16b56b51141e12b7bef4775e38"}}