{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:I3UT5TZBS3YZHWS4OW5BCLC6OA","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":"b68e9e3ef6acdd7f7296266a119e95611d20343da289152cccebae1bdd1a744c","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2020-11-10T00:35:46Z","title_canon_sha256":"1c2140bd5742761057c27b4512ceee41e3db9d9d8a7991836d5413be426a9cbc"},"schema_version":"1.0","source":{"id":"2011.04843","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.04843","created_at":"2026-07-05T03:39:12Z"},{"alias_kind":"arxiv_version","alias_value":"2011.04843v3","created_at":"2026-07-05T03:39:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.04843","created_at":"2026-07-05T03:39:12Z"},{"alias_kind":"pith_short_12","alias_value":"I3UT5TZBS3YZ","created_at":"2026-07-05T03:39:12Z"},{"alias_kind":"pith_short_16","alias_value":"I3UT5TZBS3YZHWS4","created_at":"2026-07-05T03:39:12Z"},{"alias_kind":"pith_short_8","alias_value":"I3UT5TZB","created_at":"2026-07-05T03:39:12Z"}],"graph_snapshots":[{"event_id":"sha256:fd2fff822d03a474f44f6f70bb59e0fbff57dacef6a2a2d3280bf8f5aa3183fd","target":"graph","created_at":"2026-07-05T03:39:12Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2011.04843/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multi-document summarization (MDS) is an effective tool for information aggregation that generates an informative and concise summary from a cluster of topic-related documents. Our survey, the first of its kind, systematically overviews the recent deep learning based MDS models. We propose a novel taxonomy to summarize the design strategies of neural networks and conduct a comprehensive summary of the state-of-the-art. We highlight the differences between various objective functions that are rarely discussed in the existing literature. Finally, we propose several future directions pertaining t","authors_text":"Congbo Ma, Hu Wang, Mingyu Guo, Quan Z. Sheng, Wei Emma Zhang","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2020-11-10T00:35:46Z","title":"Multi-document Summarization via Deep Learning Techniques: A Survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.04843","kind":"arxiv","version":3},"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":"sha256:451c82072bda4028e5e8ad7eef4653fd5d9cf2c920ce86c55b0b3826a977909f","target":"record","created_at":"2026-07-05T03:39:12Z","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":"b68e9e3ef6acdd7f7296266a119e95611d20343da289152cccebae1bdd1a744c","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2020-11-10T00:35:46Z","title_canon_sha256":"1c2140bd5742761057c27b4512ceee41e3db9d9d8a7991836d5413be426a9cbc"},"schema_version":"1.0","source":{"id":"2011.04843","kind":"arxiv","version":3}},"canonical_sha256":"46e93ecf2196f193da5c75ba112c5e70210d593cf70b784ff9b32917997b9418","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"46e93ecf2196f193da5c75ba112c5e70210d593cf70b784ff9b32917997b9418","first_computed_at":"2026-07-05T03:39:12.243638Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:39:12.243638Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NHqKc0jdQd8+oRY3R26He0lpidITmU2H7mOkIqAIoS8zG/vcEWbbXCJcdNapWjr3SoB9OIotlfpX0M/4P7H/Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:39:12.244016Z","signed_message":"canonical_sha256_bytes"},"source_id":"2011.04843","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:451c82072bda4028e5e8ad7eef4653fd5d9cf2c920ce86c55b0b3826a977909f","sha256:fd2fff822d03a474f44f6f70bb59e0fbff57dacef6a2a2d3280bf8f5aa3183fd"],"state_sha256":"318a6a358c52f711bbf010b09874f8988e9f1dd997d8ed9bdefba9b883799925"}