{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:7BBN6DRWCD4527HK23ZIUNCP7P","short_pith_number":"pith:7BBN6DRW","canonical_record":{"source":{"id":"1212.0087","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2012-12-01T09:16:35Z","cross_cats_sorted":[],"title_canon_sha256":"2e3fd6e760466455c9d7df905795b70ff0a3a439db9e161a4757a18e67154fa9","abstract_canon_sha256":"2fa519152179da9440ffc41d36ed18f4327c656e04a74a1418c5e9d63d573298"},"schema_version":"1.0"},"canonical_sha256":"f842df0e3610f9dd7cead6f28a344ffbe571cef97a9205004e9bb56a8fd2d405","source":{"kind":"arxiv","id":"1212.0087","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.0087","created_at":"2026-05-18T03:39:27Z"},{"alias_kind":"arxiv_version","alias_value":"1212.0087v1","created_at":"2026-05-18T03:39:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.0087","created_at":"2026-05-18T03:39:27Z"},{"alias_kind":"pith_short_12","alias_value":"7BBN6DRWCD45","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"7BBN6DRWCD4527HK","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"7BBN6DRW","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:7BBN6DRWCD4527HK23ZIUNCP7P","target":"record","payload":{"canonical_record":{"source":{"id":"1212.0087","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2012-12-01T09:16:35Z","cross_cats_sorted":[],"title_canon_sha256":"2e3fd6e760466455c9d7df905795b70ff0a3a439db9e161a4757a18e67154fa9","abstract_canon_sha256":"2fa519152179da9440ffc41d36ed18f4327c656e04a74a1418c5e9d63d573298"},"schema_version":"1.0"},"canonical_sha256":"f842df0e3610f9dd7cead6f28a344ffbe571cef97a9205004e9bb56a8fd2d405","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:39:27.346593Z","signature_b64":"tzTQggrxw25k+BWWxBxoBDQCmySWklgqaMErwb2V3+/S9ezP1JwlMWXU63Pl+oTztES7iTyKCxFGV84aZpBVCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f842df0e3610f9dd7cead6f28a344ffbe571cef97a9205004e9bb56a8fd2d405","last_reissued_at":"2026-05-18T03:39:27.345729Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:39:27.345729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.0087","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":"2026-05-18T03:39:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mODm+5Ugk6jwTz2SHYj6dvLj5vVWCeOIjjzAsLyPbfEsbVQM1b1CwccXj7+/vUqYgwxZkNoR6pUwT4MKDOaSBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T12:11:42.192450Z"},"content_sha256":"e5130d7c708bf94929bb310464bffe2c94d428d2b7c973e628b06a1d1177d410","schema_version":"1.0","event_id":"sha256:e5130d7c708bf94929bb310464bffe2c94d428d2b7c973e628b06a1d1177d410"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:7BBN6DRWCD4527HK23ZIUNCP7P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A scalable mining of frequent quadratic concepts in d-folksonomies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SI","authors_text":"Engelbert Mephu Nguifo, Mohamed Nader Jelassi, Sadok Ben Yahia","submitted_at":"2012-12-01T09:16:35Z","abstract_excerpt":"Folksonomy mining is grasping the interest of web 2.0 community since it represents the core data of social resource sharing systems. However, a scrutiny of the related works interested in mining folksonomies unveils that the time stamp dimension has not been considered. For example, the wealthy number of works dedicated to mining tri-concepts from folksonomies did not take into account time dimension. In this paper, we will consider a folksonomy commonly composed of triples <users, tags, resources> and we shall consider the time as a new dimension. We motivate our approach by highlighting the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.0087","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":"2026-05-18T03:39:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DIU/ZeI1kuekxzrtoRrX9G2uh5W8m3uEEBv+VjPmENTYLJnO1HCTgNaaCxtcxdWf3MiX+s/lZOiz5I34oUQmAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T12:11:42.192989Z"},"content_sha256":"37a73e07663d5f117713b08857a40a324d406b296e07afa16fa7b00962b27c85","schema_version":"1.0","event_id":"sha256:37a73e07663d5f117713b08857a40a324d406b296e07afa16fa7b00962b27c85"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7BBN6DRWCD4527HK23ZIUNCP7P/bundle.json","state_url":"https://pith.science/pith/7BBN6DRWCD4527HK23ZIUNCP7P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7BBN6DRWCD4527HK23ZIUNCP7P/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":"2026-06-01T12:11:42Z","links":{"resolver":"https://pith.science/pith/7BBN6DRWCD4527HK23ZIUNCP7P","bundle":"https://pith.science/pith/7BBN6DRWCD4527HK23ZIUNCP7P/bundle.json","state":"https://pith.science/pith/7BBN6DRWCD4527HK23ZIUNCP7P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7BBN6DRWCD4527HK23ZIUNCP7P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:7BBN6DRWCD4527HK23ZIUNCP7P","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":"2fa519152179da9440ffc41d36ed18f4327c656e04a74a1418c5e9d63d573298","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2012-12-01T09:16:35Z","title_canon_sha256":"2e3fd6e760466455c9d7df905795b70ff0a3a439db9e161a4757a18e67154fa9"},"schema_version":"1.0","source":{"id":"1212.0087","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.0087","created_at":"2026-05-18T03:39:27Z"},{"alias_kind":"arxiv_version","alias_value":"1212.0087v1","created_at":"2026-05-18T03:39:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.0087","created_at":"2026-05-18T03:39:27Z"},{"alias_kind":"pith_short_12","alias_value":"7BBN6DRWCD45","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"7BBN6DRWCD4527HK","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"7BBN6DRW","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:37a73e07663d5f117713b08857a40a324d406b296e07afa16fa7b00962b27c85","target":"graph","created_at":"2026-05-18T03:39:27Z","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":"Folksonomy mining is grasping the interest of web 2.0 community since it represents the core data of social resource sharing systems. However, a scrutiny of the related works interested in mining folksonomies unveils that the time stamp dimension has not been considered. For example, the wealthy number of works dedicated to mining tri-concepts from folksonomies did not take into account time dimension. In this paper, we will consider a folksonomy commonly composed of triples <users, tags, resources> and we shall consider the time as a new dimension. We motivate our approach by highlighting the","authors_text":"Engelbert Mephu Nguifo, Mohamed Nader Jelassi, Sadok Ben Yahia","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2012-12-01T09:16:35Z","title":"A scalable mining of frequent quadratic concepts in d-folksonomies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.0087","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:e5130d7c708bf94929bb310464bffe2c94d428d2b7c973e628b06a1d1177d410","target":"record","created_at":"2026-05-18T03:39:27Z","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":"2fa519152179da9440ffc41d36ed18f4327c656e04a74a1418c5e9d63d573298","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2012-12-01T09:16:35Z","title_canon_sha256":"2e3fd6e760466455c9d7df905795b70ff0a3a439db9e161a4757a18e67154fa9"},"schema_version":"1.0","source":{"id":"1212.0087","kind":"arxiv","version":1}},"canonical_sha256":"f842df0e3610f9dd7cead6f28a344ffbe571cef97a9205004e9bb56a8fd2d405","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f842df0e3610f9dd7cead6f28a344ffbe571cef97a9205004e9bb56a8fd2d405","first_computed_at":"2026-05-18T03:39:27.345729Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:39:27.345729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tzTQggrxw25k+BWWxBxoBDQCmySWklgqaMErwb2V3+/S9ezP1JwlMWXU63Pl+oTztES7iTyKCxFGV84aZpBVCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:39:27.346593Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.0087","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e5130d7c708bf94929bb310464bffe2c94d428d2b7c973e628b06a1d1177d410","sha256:37a73e07663d5f117713b08857a40a324d406b296e07afa16fa7b00962b27c85"],"state_sha256":"90cd415d128ac48edf3021e598f3972d9e8bb2878dfc85826562e31bb2bd19a3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OHExEoXpItbv4Fs30tVWpgNsp5GzsJOW9reAuGHxdzqj1iuE1RhPGPqlPIwua+UJzTITcMjoO4JLuUzvtg/UDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T12:11:42.194935Z","bundle_sha256":"1fcd8f7ad424a6d1ec69353876530d73340add626e2fcebc26a11433d2e01f25"}}