{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:FAKKKQVHCYMPPO7XOWPCGD34EJ","short_pith_number":"pith:FAKKKQVH","canonical_record":{"source":{"id":"1303.2449","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CL","submitted_at":"2013-03-11T08:21:48Z","cross_cats_sorted":[],"title_canon_sha256":"e04d10ef42bf680b70ea97b88ae9ea79ff510aa68eb791dab795afbd3fc076f2","abstract_canon_sha256":"5fd3593c8bc051c8adb82fb843d30585dec90a5cd912c863c79e1ed0e7e36ddf"},"schema_version":"1.0"},"canonical_sha256":"2814a542a71618f7bbf7759e230f7c225a1509cc40d24b1bebd438f2bc81fc3c","source":{"kind":"arxiv","id":"1303.2449","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.2449","created_at":"2026-05-18T03:31:19Z"},{"alias_kind":"arxiv_version","alias_value":"1303.2449v1","created_at":"2026-05-18T03:31:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.2449","created_at":"2026-05-18T03:31:19Z"},{"alias_kind":"pith_short_12","alias_value":"FAKKKQVHCYMP","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"FAKKKQVHCYMPPO7X","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"FAKKKQVH","created_at":"2026-05-18T12:27:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:FAKKKQVHCYMPPO7XOWPCGD34EJ","target":"record","payload":{"canonical_record":{"source":{"id":"1303.2449","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CL","submitted_at":"2013-03-11T08:21:48Z","cross_cats_sorted":[],"title_canon_sha256":"e04d10ef42bf680b70ea97b88ae9ea79ff510aa68eb791dab795afbd3fc076f2","abstract_canon_sha256":"5fd3593c8bc051c8adb82fb843d30585dec90a5cd912c863c79e1ed0e7e36ddf"},"schema_version":"1.0"},"canonical_sha256":"2814a542a71618f7bbf7759e230f7c225a1509cc40d24b1bebd438f2bc81fc3c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:31:19.005205Z","signature_b64":"EizwbSZlclnfRIVY7qwEFeKnP8chss+Tx6MuX8t/MiqUq8WOUBwuJOOy0kyTCToGlszPrdNrfFh7YsTM0jMuBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2814a542a71618f7bbf7759e230f7c225a1509cc40d24b1bebd438f2bc81fc3c","last_reissued_at":"2026-05-18T03:31:19.004720Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:31:19.004720Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.2449","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:31:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fd/9uwVywjShNNGbH5qFFPfbaNS4Wo1PT++/IchHjFJ2RYMI1qYWTyBnhq/1gCKY2UoMs0oYTnmaXgeAQ2dtDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T08:16:21.260951Z"},"content_sha256":"ac2b530f12f22e81cee85a40dd0bc88c3421601034302c2cff26bd22f64ae5ac","schema_version":"1.0","event_id":"sha256:ac2b530f12f22e81cee85a40dd0bc88c3421601034302c2cff26bd22f64ae5ac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:FAKKKQVHCYMPPO7XOWPCGD34EJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Using qualia information to identify lexical semantic classes in an unsupervised clustering task","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Lauren Romeo, N\\'uria Bel, Sara Mendes","submitted_at":"2013-03-11T08:21:48Z","abstract_excerpt":"Acquiring lexical information is a complex problem, typically approached by relying on a number of contexts to contribute information for classification. One of the first issues to address in this domain is the determination of such contexts. The work presented here proposes the use of automatically obtained FORMAL role descriptors as features used to draw nouns from the same lexical semantic class together in an unsupervised clustering task. We have dealt with three lexical semantic classes (HUMAN, LOCATION and EVENT) in English. The results obtained show that it is possible to discriminate b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.2449","kind":"arxiv","version":1},"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":"2026-05-18T03:31:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OJDwtoRghFg2OX24prO7OGf4L3euAw21j/f1GtONlS9AwymIvb/o4GYB3+AM5ydrp+wBuaRl/S08LWc0m3SDCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T08:16:21.261455Z"},"content_sha256":"36bb87d097ed59d98eac3fe5c1c613b152429c7819d20c9b52d3d0a476c50854","schema_version":"1.0","event_id":"sha256:36bb87d097ed59d98eac3fe5c1c613b152429c7819d20c9b52d3d0a476c50854"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FAKKKQVHCYMPPO7XOWPCGD34EJ/bundle.json","state_url":"https://pith.science/pith/FAKKKQVHCYMPPO7XOWPCGD34EJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FAKKKQVHCYMPPO7XOWPCGD34EJ/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":"2026-05-26T08:16:21Z","links":{"resolver":"https://pith.science/pith/FAKKKQVHCYMPPO7XOWPCGD34EJ","bundle":"https://pith.science/pith/FAKKKQVHCYMPPO7XOWPCGD34EJ/bundle.json","state":"https://pith.science/pith/FAKKKQVHCYMPPO7XOWPCGD34EJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FAKKKQVHCYMPPO7XOWPCGD34EJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:FAKKKQVHCYMPPO7XOWPCGD34EJ","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":"5fd3593c8bc051c8adb82fb843d30585dec90a5cd912c863c79e1ed0e7e36ddf","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CL","submitted_at":"2013-03-11T08:21:48Z","title_canon_sha256":"e04d10ef42bf680b70ea97b88ae9ea79ff510aa68eb791dab795afbd3fc076f2"},"schema_version":"1.0","source":{"id":"1303.2449","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.2449","created_at":"2026-05-18T03:31:19Z"},{"alias_kind":"arxiv_version","alias_value":"1303.2449v1","created_at":"2026-05-18T03:31:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.2449","created_at":"2026-05-18T03:31:19Z"},{"alias_kind":"pith_short_12","alias_value":"FAKKKQVHCYMP","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"FAKKKQVHCYMPPO7X","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"FAKKKQVH","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:36bb87d097ed59d98eac3fe5c1c613b152429c7819d20c9b52d3d0a476c50854","target":"graph","created_at":"2026-05-18T03:31:19Z","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":"Acquiring lexical information is a complex problem, typically approached by relying on a number of contexts to contribute information for classification. One of the first issues to address in this domain is the determination of such contexts. The work presented here proposes the use of automatically obtained FORMAL role descriptors as features used to draw nouns from the same lexical semantic class together in an unsupervised clustering task. We have dealt with three lexical semantic classes (HUMAN, LOCATION and EVENT) in English. The results obtained show that it is possible to discriminate b","authors_text":"Lauren Romeo, N\\'uria Bel, Sara Mendes","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CL","submitted_at":"2013-03-11T08:21:48Z","title":"Using qualia information to identify lexical semantic classes in an unsupervised clustering task"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.2449","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:ac2b530f12f22e81cee85a40dd0bc88c3421601034302c2cff26bd22f64ae5ac","target":"record","created_at":"2026-05-18T03:31:19Z","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":"5fd3593c8bc051c8adb82fb843d30585dec90a5cd912c863c79e1ed0e7e36ddf","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CL","submitted_at":"2013-03-11T08:21:48Z","title_canon_sha256":"e04d10ef42bf680b70ea97b88ae9ea79ff510aa68eb791dab795afbd3fc076f2"},"schema_version":"1.0","source":{"id":"1303.2449","kind":"arxiv","version":1}},"canonical_sha256":"2814a542a71618f7bbf7759e230f7c225a1509cc40d24b1bebd438f2bc81fc3c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2814a542a71618f7bbf7759e230f7c225a1509cc40d24b1bebd438f2bc81fc3c","first_computed_at":"2026-05-18T03:31:19.004720Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:31:19.004720Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EizwbSZlclnfRIVY7qwEFeKnP8chss+Tx6MuX8t/MiqUq8WOUBwuJOOy0kyTCToGlszPrdNrfFh7YsTM0jMuBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:31:19.005205Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.2449","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ac2b530f12f22e81cee85a40dd0bc88c3421601034302c2cff26bd22f64ae5ac","sha256:36bb87d097ed59d98eac3fe5c1c613b152429c7819d20c9b52d3d0a476c50854"],"state_sha256":"0948bdcd94aebcc197e166ff699bde309f6fba3221ef121db97108f94a9199a9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"skOh17OY7yaJMvvmPPito1uvrQyyPrLTGDGjeVmlVZNYWSJcCBdmduC7esFtBsN78dr3BD9R+YU9mMsz1pOIAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T08:16:21.264099Z","bundle_sha256":"0e4a89328599a021215c6e8a6e072ba90fb7db65d37891f0dbd0e45507ab1012"}}