{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:OW3YOSYEJMLS3C5AEWUK4ACE3M","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":"85c4a5bf073407341e013b8e156923836970533429c4d58e92974f25c3932d25","cross_cats_sorted":["cs.DB"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2012-10-27T17:20:42Z","title_canon_sha256":"bcce80a2f328f7e3dccc64f2c9a4e2716c5f3b4107e2f93aa1027a21bcb2de17"},"schema_version":"1.0","source":{"id":"1210.7350","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.7350","created_at":"2026-05-18T03:42:10Z"},{"alias_kind":"arxiv_version","alias_value":"1210.7350v1","created_at":"2026-05-18T03:42:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.7350","created_at":"2026-05-18T03:42:10Z"},{"alias_kind":"pith_short_12","alias_value":"OW3YOSYEJMLS","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"OW3YOSYEJMLS3C5A","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"OW3YOSYE","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:90087df1902817229c992f35e6b72435826dc6896b6d93c7ea6602d351334382","target":"graph","created_at":"2026-05-18T03:42:10Z","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":"We present the architecture behind Twitter's real-time related query suggestion and spelling correction service. Although these tasks have received much attention in the web search literature, the Twitter context introduces a real-time \"twist\": after significant breaking news events, we aim to provide relevant results within minutes. This paper provides a case study illustrating the challenges of real-time data processing in the era of \"big data\". We tell the story of how our system was built twice: our first implementation was built on a typical Hadoop-based analytics stack, but was later rep","authors_text":"Aneesh Sharma, Gilad Mishne, Jeff Dalton, Jimmy Lin, Zhenghua Li","cross_cats":["cs.DB"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2012-10-27T17:20:42Z","title":"Fast Data in the Era of Big Data: Twitter's Real-Time Related Query Suggestion Architecture"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.7350","kind":"arxiv","version":1},"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:d29211dbf5c0efdff3e173da02b1720137117209c7b241e31a84eaeed2654b45","target":"record","created_at":"2026-05-18T03:42:10Z","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":"85c4a5bf073407341e013b8e156923836970533429c4d58e92974f25c3932d25","cross_cats_sorted":["cs.DB"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2012-10-27T17:20:42Z","title_canon_sha256":"bcce80a2f328f7e3dccc64f2c9a4e2716c5f3b4107e2f93aa1027a21bcb2de17"},"schema_version":"1.0","source":{"id":"1210.7350","kind":"arxiv","version":1}},"canonical_sha256":"75b7874b044b172d8ba025a8ae0044db1213074cefed08bd4e31eff0f1c66853","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"75b7874b044b172d8ba025a8ae0044db1213074cefed08bd4e31eff0f1c66853","first_computed_at":"2026-05-18T03:42:10.369608Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:42:10.369608Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"maXDQ+0Cz5BPa7wbp5wtuR/E/4lXRekcqf/8aN3C8BIrYEEC0TiLFXuX5EgDN+jcX6ekwoZqlYZXzQsYkpiDAw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:42:10.370275Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.7350","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d29211dbf5c0efdff3e173da02b1720137117209c7b241e31a84eaeed2654b45","sha256:90087df1902817229c992f35e6b72435826dc6896b6d93c7ea6602d351334382"],"state_sha256":"332e6de4b872bad445644bc4dc8568ed04ad998c4aac8a38d20657a2da2e2342"}