{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:Y5CROKOCS2ZSTFZUIAR5FM625E","short_pith_number":"pith:Y5CROKOC","canonical_record":{"source":{"id":"1303.1931","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CL","submitted_at":"2013-03-08T10:14:31Z","cross_cats_sorted":[],"title_canon_sha256":"69b5adde488a9aa05c806005d4b5b715d54304afd91ef2e6726dc551313f5abc","abstract_canon_sha256":"1c31eab133973b8b51d4e4fcf90dc63a7f7f0868acad538b91dd577d24f0b3e9"},"schema_version":"1.0"},"canonical_sha256":"c7451729c296b32997344023d2b3dae923b00c2727c41425e58c599b08b8898c","source":{"kind":"arxiv","id":"1303.1931","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.1931","created_at":"2026-05-18T03:31:31Z"},{"alias_kind":"arxiv_version","alias_value":"1303.1931v1","created_at":"2026-05-18T03:31:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.1931","created_at":"2026-05-18T03:31:31Z"},{"alias_kind":"pith_short_12","alias_value":"Y5CROKOCS2ZS","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"Y5CROKOCS2ZSTFZU","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"Y5CROKOC","created_at":"2026-05-18T12:28:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:Y5CROKOCS2ZSTFZUIAR5FM625E","target":"record","payload":{"canonical_record":{"source":{"id":"1303.1931","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CL","submitted_at":"2013-03-08T10:14:31Z","cross_cats_sorted":[],"title_canon_sha256":"69b5adde488a9aa05c806005d4b5b715d54304afd91ef2e6726dc551313f5abc","abstract_canon_sha256":"1c31eab133973b8b51d4e4fcf90dc63a7f7f0868acad538b91dd577d24f0b3e9"},"schema_version":"1.0"},"canonical_sha256":"c7451729c296b32997344023d2b3dae923b00c2727c41425e58c599b08b8898c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:31:31.943755Z","signature_b64":"Jyrfa0lEjFyfVvYoTSdayZZdSggaOB5MrtIjAh14A0VdHWayJAGGM7AvkDs9+Iw17MBPB80VKwBWLI+/Ou2dAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c7451729c296b32997344023d2b3dae923b00c2727c41425e58c599b08b8898c","last_reissued_at":"2026-05-18T03:31:31.942979Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:31:31.942979Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.1931","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":"2026-05-18T03:31:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HxQcROtubj1FtBnyyvh1Icw/mZ7nt9EULZk+1WuKBbc0C98ZiHOzz6fFSPqonLe6ohoNMF1rgTC4Ttn/GqIRBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T18:37:06.468880Z"},"content_sha256":"da852c8f96c05c40263fa3f58a0aa18b89c7acc0cf41fa78f0eaf2fe7d7af457","schema_version":"1.0","event_id":"sha256:da852c8f96c05c40263fa3f58a0aa18b89c7acc0cf41fa78f0eaf2fe7d7af457"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:Y5CROKOCS2ZSTFZUIAR5FM625E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Classification of Adjectives for Polarity Lexicons Enhancement","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"N\\'uria Bel, Silvia V\\'azquez","submitted_at":"2013-03-08T10:14:31Z","abstract_excerpt":"Subjective language detection is one of the most important challenges in Sentiment Analysis. Because of the weight and frequency in opinionated texts, adjectives are considered a key piece in the opinion extraction process. These subjective units are more and more frequently collected in polarity lexicons in which they appear annotated with their prior polarity. However, at the moment, any polarity lexicon takes into account prior polarity variations across domains. This paper proves that a majority of adjectives change their prior polarity value depending on the domain. We propose a distincti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.1931","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":"2026-05-18T03:31:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g9Zn2CKp4vVgo4/km2r2ojuyxO2251w6crElyGp1La9fczHBGJp2a1sgU/fxhE8AQ61pvEq17ixZ2C4830l2Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T18:37:06.469519Z"},"content_sha256":"a6a4c70ccc9f0eb67a0edcf164cabe248de0cf7284f085811d7bbabcf0459983","schema_version":"1.0","event_id":"sha256:a6a4c70ccc9f0eb67a0edcf164cabe248de0cf7284f085811d7bbabcf0459983"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y5CROKOCS2ZSTFZUIAR5FM625E/bundle.json","state_url":"https://pith.science/pith/Y5CROKOCS2ZSTFZUIAR5FM625E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y5CROKOCS2ZSTFZUIAR5FM625E/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":"2026-05-26T18:37:06Z","links":{"resolver":"https://pith.science/pith/Y5CROKOCS2ZSTFZUIAR5FM625E","bundle":"https://pith.science/pith/Y5CROKOCS2ZSTFZUIAR5FM625E/bundle.json","state":"https://pith.science/pith/Y5CROKOCS2ZSTFZUIAR5FM625E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y5CROKOCS2ZSTFZUIAR5FM625E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:Y5CROKOCS2ZSTFZUIAR5FM625E","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":"1c31eab133973b8b51d4e4fcf90dc63a7f7f0868acad538b91dd577d24f0b3e9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CL","submitted_at":"2013-03-08T10:14:31Z","title_canon_sha256":"69b5adde488a9aa05c806005d4b5b715d54304afd91ef2e6726dc551313f5abc"},"schema_version":"1.0","source":{"id":"1303.1931","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.1931","created_at":"2026-05-18T03:31:31Z"},{"alias_kind":"arxiv_version","alias_value":"1303.1931v1","created_at":"2026-05-18T03:31:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.1931","created_at":"2026-05-18T03:31:31Z"},{"alias_kind":"pith_short_12","alias_value":"Y5CROKOCS2ZS","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"Y5CROKOCS2ZSTFZU","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"Y5CROKOC","created_at":"2026-05-18T12:28:06Z"}],"graph_snapshots":[{"event_id":"sha256:a6a4c70ccc9f0eb67a0edcf164cabe248de0cf7284f085811d7bbabcf0459983","target":"graph","created_at":"2026-05-18T03:31:31Z","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":"Subjective language detection is one of the most important challenges in Sentiment Analysis. Because of the weight and frequency in opinionated texts, adjectives are considered a key piece in the opinion extraction process. These subjective units are more and more frequently collected in polarity lexicons in which they appear annotated with their prior polarity. However, at the moment, any polarity lexicon takes into account prior polarity variations across domains. This paper proves that a majority of adjectives change their prior polarity value depending on the domain. We propose a distincti","authors_text":"N\\'uria Bel, Silvia V\\'azquez","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CL","submitted_at":"2013-03-08T10:14:31Z","title":"A Classification of Adjectives for Polarity Lexicons Enhancement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.1931","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:da852c8f96c05c40263fa3f58a0aa18b89c7acc0cf41fa78f0eaf2fe7d7af457","target":"record","created_at":"2026-05-18T03:31:31Z","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":"1c31eab133973b8b51d4e4fcf90dc63a7f7f0868acad538b91dd577d24f0b3e9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CL","submitted_at":"2013-03-08T10:14:31Z","title_canon_sha256":"69b5adde488a9aa05c806005d4b5b715d54304afd91ef2e6726dc551313f5abc"},"schema_version":"1.0","source":{"id":"1303.1931","kind":"arxiv","version":1}},"canonical_sha256":"c7451729c296b32997344023d2b3dae923b00c2727c41425e58c599b08b8898c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c7451729c296b32997344023d2b3dae923b00c2727c41425e58c599b08b8898c","first_computed_at":"2026-05-18T03:31:31.942979Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:31:31.942979Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Jyrfa0lEjFyfVvYoTSdayZZdSggaOB5MrtIjAh14A0VdHWayJAGGM7AvkDs9+Iw17MBPB80VKwBWLI+/Ou2dAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:31:31.943755Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.1931","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da852c8f96c05c40263fa3f58a0aa18b89c7acc0cf41fa78f0eaf2fe7d7af457","sha256:a6a4c70ccc9f0eb67a0edcf164cabe248de0cf7284f085811d7bbabcf0459983"],"state_sha256":"9ca1aac38d12fd47f08296f6c7c0760f85364cf4cd11b3099e8e9c2b7b4d20f0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rJ0mGD0oILBK2sj+n7EEiHL+nJsCbOHdrgtQloK07JqnZuVgR8/Uea3c0sljpi24jWzPqStGKoCOEo262VG8CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T18:37:06.472728Z","bundle_sha256":"9510f5e2adf21c630a8c5448c4b936802004a2a85fd4e7f04e12224c63e88e7f"}}