{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:5AHST7PTAGGTILZTTYVRAXFQVG","short_pith_number":"pith:5AHST7PT","canonical_record":{"source":{"id":"1904.06475","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-04-13T03:52:56Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"847f753779760dc82d6d2b9a3ef68810ab5f55d1e673ec0147df50e0f92ec0dd","abstract_canon_sha256":"95a6ddc3aa9c6402aa7137d63274441558e24c824d828ae2c7e2b1da432aae7c"},"schema_version":"1.0"},"canonical_sha256":"e80f29fdf3018d342f339e2b105cb0a987c689065aaf230b4c0a01714a4b30bd","source":{"kind":"arxiv","id":"1904.06475","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.06475","created_at":"2026-05-17T23:48:41Z"},{"alias_kind":"arxiv_version","alias_value":"1904.06475v1","created_at":"2026-05-17T23:48:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.06475","created_at":"2026-05-17T23:48:41Z"},{"alias_kind":"pith_short_12","alias_value":"5AHST7PTAGGT","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"5AHST7PTAGGTILZT","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"5AHST7PT","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:5AHST7PTAGGTILZTTYVRAXFQVG","target":"record","payload":{"canonical_record":{"source":{"id":"1904.06475","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-04-13T03:52:56Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"847f753779760dc82d6d2b9a3ef68810ab5f55d1e673ec0147df50e0f92ec0dd","abstract_canon_sha256":"95a6ddc3aa9c6402aa7137d63274441558e24c824d828ae2c7e2b1da432aae7c"},"schema_version":"1.0"},"canonical_sha256":"e80f29fdf3018d342f339e2b105cb0a987c689065aaf230b4c0a01714a4b30bd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:41.310910Z","signature_b64":"wyUhThljsoUgesf92xdZSTD0NdzaIyFJV826idicyeHkVWwDMfoSvPYP5+D5dGd92RP4ZZwvSGnSVWDUrTrVCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e80f29fdf3018d342f339e2b105cb0a987c689065aaf230b4c0a01714a4b30bd","last_reissued_at":"2026-05-17T23:48:41.310426Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:41.310426Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.06475","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":"2026-05-17T23:48:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UAvZpvS7dEnNxei9bydRjvF31WPPhvkNZoCdNQYBc4o7sUh1onX2hbgnVLpx0Pr+yx+w1tcosri2wQ6f9DXeDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T16:26:39.582777Z"},"content_sha256":"7fa7bb1828ff3b9ef76f89d2a87d0c92e45e34d08b7ba733d3068e6e5d206c14","schema_version":"1.0","event_id":"sha256:7fa7bb1828ff3b9ef76f89d2a87d0c92e45e34d08b7ba733d3068e6e5d206c14"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:5AHST7PTAGGTILZTTYVRAXFQVG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Improving Distantly-supervised Entity Typing with Compact Latent Space Clustering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CL","authors_text":"Bo Chen, Guoping Hu, Siliang Tang, Xiang Ren, Xiaotao Gu, Yueting Zhuang, Yufeng Hu","submitted_at":"2019-04-13T03:52:56Z","abstract_excerpt":"Recently, distant supervision has gained great success on Fine-grained Entity Typing (FET). Despite its efficiency in reducing manual labeling efforts, it also brings the challenge of dealing with false entity type labels, as distant supervision assigns labels in a context agnostic manner. Existing works alleviated this issue with partial-label loss, but usually suffer from confirmation bias, which means the classifier fit a pseudo data distribution given by itself. In this work, we propose to regularize distantly supervised models with Compact Latent Space Clustering (CLSC) to bypass this pro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.06475","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":"2026-05-17T23:48:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hZ92gv0ToTZGVTK8NrwQG1BuJsI/6dZ2yTS+hUMgPwb2S4a3Rt2VeY/qDEhBGUzRda291wOD4swW3tDrPmxiCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T16:26:39.583123Z"},"content_sha256":"4c10d9dae9d9d20bcbf64932c55411b7784056630817bb77c69cb068d9aa737e","schema_version":"1.0","event_id":"sha256:4c10d9dae9d9d20bcbf64932c55411b7784056630817bb77c69cb068d9aa737e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5AHST7PTAGGTILZTTYVRAXFQVG/bundle.json","state_url":"https://pith.science/pith/5AHST7PTAGGTILZTTYVRAXFQVG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5AHST7PTAGGTILZTTYVRAXFQVG/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":"2026-05-19T16:26:39Z","links":{"resolver":"https://pith.science/pith/5AHST7PTAGGTILZTTYVRAXFQVG","bundle":"https://pith.science/pith/5AHST7PTAGGTILZTTYVRAXFQVG/bundle.json","state":"https://pith.science/pith/5AHST7PTAGGTILZTTYVRAXFQVG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5AHST7PTAGGTILZTTYVRAXFQVG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:5AHST7PTAGGTILZTTYVRAXFQVG","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":"95a6ddc3aa9c6402aa7137d63274441558e24c824d828ae2c7e2b1da432aae7c","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-04-13T03:52:56Z","title_canon_sha256":"847f753779760dc82d6d2b9a3ef68810ab5f55d1e673ec0147df50e0f92ec0dd"},"schema_version":"1.0","source":{"id":"1904.06475","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.06475","created_at":"2026-05-17T23:48:41Z"},{"alias_kind":"arxiv_version","alias_value":"1904.06475v1","created_at":"2026-05-17T23:48:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.06475","created_at":"2026-05-17T23:48:41Z"},{"alias_kind":"pith_short_12","alias_value":"5AHST7PTAGGT","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"5AHST7PTAGGTILZT","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"5AHST7PT","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:4c10d9dae9d9d20bcbf64932c55411b7784056630817bb77c69cb068d9aa737e","target":"graph","created_at":"2026-05-17T23:48:41Z","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":"Recently, distant supervision has gained great success on Fine-grained Entity Typing (FET). Despite its efficiency in reducing manual labeling efforts, it also brings the challenge of dealing with false entity type labels, as distant supervision assigns labels in a context agnostic manner. Existing works alleviated this issue with partial-label loss, but usually suffer from confirmation bias, which means the classifier fit a pseudo data distribution given by itself. In this work, we propose to regularize distantly supervised models with Compact Latent Space Clustering (CLSC) to bypass this pro","authors_text":"Bo Chen, Guoping Hu, Siliang Tang, Xiang Ren, Xiaotao Gu, Yueting Zhuang, Yufeng Hu","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-04-13T03:52:56Z","title":"Improving Distantly-supervised Entity Typing with Compact Latent Space Clustering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.06475","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":"sha256:7fa7bb1828ff3b9ef76f89d2a87d0c92e45e34d08b7ba733d3068e6e5d206c14","target":"record","created_at":"2026-05-17T23:48:41Z","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":"95a6ddc3aa9c6402aa7137d63274441558e24c824d828ae2c7e2b1da432aae7c","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-04-13T03:52:56Z","title_canon_sha256":"847f753779760dc82d6d2b9a3ef68810ab5f55d1e673ec0147df50e0f92ec0dd"},"schema_version":"1.0","source":{"id":"1904.06475","kind":"arxiv","version":1}},"canonical_sha256":"e80f29fdf3018d342f339e2b105cb0a987c689065aaf230b4c0a01714a4b30bd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e80f29fdf3018d342f339e2b105cb0a987c689065aaf230b4c0a01714a4b30bd","first_computed_at":"2026-05-17T23:48:41.310426Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:41.310426Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wyUhThljsoUgesf92xdZSTD0NdzaIyFJV826idicyeHkVWwDMfoSvPYP5+D5dGd92RP4ZZwvSGnSVWDUrTrVCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:41.310910Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.06475","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7fa7bb1828ff3b9ef76f89d2a87d0c92e45e34d08b7ba733d3068e6e5d206c14","sha256:4c10d9dae9d9d20bcbf64932c55411b7784056630817bb77c69cb068d9aa737e"],"state_sha256":"b422a4aa02662c4f61741486fcb9e79ac266970c3ce0580751def5f43bc441cd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RlMQ/Z92RoHey6gLiS4mc8tvAnQCDX49W7R8CvL9+551XMIvg+RccRLFRQCO3m9e+vsCESEqXtejoIbBi1eoDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T16:26:39.585698Z","bundle_sha256":"2fa38e9dd56ad5884ed0f37ca80b0a4bb216db8fe5adb9f2220bef37b738e689"}}