{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:TVOO2PRLR3UPW4J3CSC4KNVSXN","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":"1f078b98e7e02df4e4d123eaf4e0c67fd862550e241c7f74ad69138062a90b9f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2015-11-18T05:20:32Z","title_canon_sha256":"e6ec5834df6ac2afe34555ceacd8a803f8a9459cea2690429c23aa61fbea2588"},"schema_version":"1.0","source":{"id":"1511.05659","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.05659","created_at":"2026-05-18T01:26:33Z"},{"alias_kind":"arxiv_version","alias_value":"1511.05659v1","created_at":"2026-05-18T01:26:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.05659","created_at":"2026-05-18T01:26:33Z"},{"alias_kind":"pith_short_12","alias_value":"TVOO2PRLR3UP","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TVOO2PRLR3UPW4J3","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TVOO2PRL","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:b1cddd1a43a13bbf9df104e5f2b697b9d6614fd9a52d2d86022c92b5eb865fa3","target":"graph","created_at":"2026-05-18T01:26:33Z","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":"Heterogeneous gap among different modalities emerges as one of the critical issues in modern AI problems. Unlike traditional uni-modal cases, where raw features are extracted and directly measured, the heterogeneous nature of cross modal tasks requires the intrinsic semantic representation to be compared in a unified framework. This paper studies the learning of different representations that can be retrieved across different modality contents. A novel approach for mining cross-modal representations is proposed by incorporating explicit linear semantic projecting in Hilbert space. The insight ","authors_text":"Aiwen Jiang, Hanxi Li, Mingwen Wang, Yi Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2015-11-18T05:20:32Z","title":"Learning Discriminative Representations for Semantic Cross Media Retrieval"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.05659","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:ecf2d81ddf28309db84750bd4237911efae603a7ce929cef5fd5d013b54003ab","target":"record","created_at":"2026-05-18T01:26:33Z","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":"1f078b98e7e02df4e4d123eaf4e0c67fd862550e241c7f74ad69138062a90b9f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2015-11-18T05:20:32Z","title_canon_sha256":"e6ec5834df6ac2afe34555ceacd8a803f8a9459cea2690429c23aa61fbea2588"},"schema_version":"1.0","source":{"id":"1511.05659","kind":"arxiv","version":1}},"canonical_sha256":"9d5ced3e2b8ee8fb713b1485c536b2bb7ba131fc087b5b66b7238101fd7d9200","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d5ced3e2b8ee8fb713b1485c536b2bb7ba131fc087b5b66b7238101fd7d9200","first_computed_at":"2026-05-18T01:26:33.131148Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:26:33.131148Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4kA0X3dtb+dEJz45Zl2Dd0YCSc/LP3TkzwexbJyvEu1zrybYr63pMVjhSpZTqYwo/Cobj8yEgRc/Dy3+r3yQDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:26:33.131823Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.05659","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ecf2d81ddf28309db84750bd4237911efae603a7ce929cef5fd5d013b54003ab","sha256:b1cddd1a43a13bbf9df104e5f2b697b9d6614fd9a52d2d86022c92b5eb865fa3"],"state_sha256":"37dd5e76693bad896fce7a33b4e334f9cb634cc1a74ae94f53c2f9518a3e8a4d"}