{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:IBHGAMHSFL3TLLMRFD4JR34QIB","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":"e6c1a5457ac9cbae4f255f3e02dbf84f3f7c0890d20822324c7d79a0e40ab229","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2015-06-10T10:56:33Z","title_canon_sha256":"c755a2bdd8e25e7fc4863036a190a637897fa8c14c343969e7cb8696b672513e"},"schema_version":"1.0","source":{"id":"1506.04094","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.04094","created_at":"2026-05-18T01:51:18Z"},{"alias_kind":"arxiv_version","alias_value":"1506.04094v1","created_at":"2026-05-18T01:51:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.04094","created_at":"2026-05-18T01:51:18Z"},{"alias_kind":"pith_short_12","alias_value":"IBHGAMHSFL3T","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"IBHGAMHSFL3TLLMR","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"IBHGAMHS","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:a6e1fc24afab50de0b37d6f66eb509b66489786baff296e9f051b72608d0c63f","target":"graph","created_at":"2026-05-18T01:51:18Z","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":"WDAqua is a Marie Curie Innovative Training Network (ITN) and is funded under EU grant number 642795 and runs from January 2015 to December 2018. WDAqua aims at advancing the state of the art by intertwining training, research and innovation efforts, centered around one service: data-driven question answering. Question answering is immediately useful to a wide audience of end users, and we will demonstrate this in settings including e-commerce, public sector information, publishing and smart cities. Question answering also covers web science and data science broadly, leading to transferrable r","authors_text":"Christoph Lange, Saeedeh Shekarpour, Soren Auer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2015-06-10T10:56:33Z","title":"The WDAqua ITN: Answering Questions using Web Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.04094","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":"sha256:3031fdc1d4990a1b134a8306160fb5f44b9cbfbfc2983c7ea085c832c4e43175","target":"record","created_at":"2026-05-18T01:51:18Z","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":"e6c1a5457ac9cbae4f255f3e02dbf84f3f7c0890d20822324c7d79a0e40ab229","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2015-06-10T10:56:33Z","title_canon_sha256":"c755a2bdd8e25e7fc4863036a190a637897fa8c14c343969e7cb8696b672513e"},"schema_version":"1.0","source":{"id":"1506.04094","kind":"arxiv","version":1}},"canonical_sha256":"404e6030f22af735ad9128f898ef904061b2a064a9093aa0027a17a88bfe1038","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"404e6030f22af735ad9128f898ef904061b2a064a9093aa0027a17a88bfe1038","first_computed_at":"2026-05-18T01:51:18.370574Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:18.370574Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l42wP4EMtz9eiEkJk20igYAI40jlsbQK/407lxFUHAjILKaiqvv0p3pQCCUyl6F4W4HVqX1I7/CGcgs6gmajCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:18.371193Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.04094","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3031fdc1d4990a1b134a8306160fb5f44b9cbfbfc2983c7ea085c832c4e43175","sha256:a6e1fc24afab50de0b37d6f66eb509b66489786baff296e9f051b72608d0c63f"],"state_sha256":"49a4bcf001e4f829845327cb8c737973613b4c18e342e58981c9cc7591a8d240"}