{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:UPA5N4MZW3RYKSHEHRSAID5BYD","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":"94e4e1d278babac7e841162e690448010738fc3e1d7b349806d28e8509db4898","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-05-29T01:45:22Z","title_canon_sha256":"24bd2cd8b355ecc5971354ee88d29f4f1c762bfc099be75b465368da8b431820"},"schema_version":"1.0","source":{"id":"1805.11213","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.11213","created_at":"2026-05-18T00:14:37Z"},{"alias_kind":"arxiv_version","alias_value":"1805.11213v2","created_at":"2026-05-18T00:14:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.11213","created_at":"2026-05-18T00:14:37Z"},{"alias_kind":"pith_short_12","alias_value":"UPA5N4MZW3RY","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UPA5N4MZW3RYKSHE","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UPA5N4MZ","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:b72b203ebcab6b4ad116855aa0ebc577e3ad2aa29f4c41bc8a7c6e8ae21a41ad","target":"graph","created_at":"2026-05-18T00:14:37Z","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":"Despite impressive progress in high-resource settings, Neural Machine Translation (NMT) still struggles in low-resource and out-of-domain scenarios, often failing to match the quality of phrase-based translation. We propose a novel technique that combines back-translation and multilingual NMT to improve performance in these difficult cases. Our technique trains a single model for both directions of a language pair, allowing us to back-translate source or target monolingual data without requiring an auxiliary model. We then continue training on the augmented parallel data, enabling a cycle of i","authors_text":"Marine Carpuat, Michael Denkowski, Xing Niu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-05-29T01:45:22Z","title":"Bi-Directional Neural Machine Translation with Synthetic Parallel Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.11213","kind":"arxiv","version":2},"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:cc45754d931b803acaf65cabc775736287b1341aa1f28abc0b735f4873c85fb9","target":"record","created_at":"2026-05-18T00:14:37Z","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":"94e4e1d278babac7e841162e690448010738fc3e1d7b349806d28e8509db4898","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-05-29T01:45:22Z","title_canon_sha256":"24bd2cd8b355ecc5971354ee88d29f4f1c762bfc099be75b465368da8b431820"},"schema_version":"1.0","source":{"id":"1805.11213","kind":"arxiv","version":2}},"canonical_sha256":"a3c1d6f199b6e38548e43c64040fa1c0cb37708635305dac85feb916a4be9f24","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a3c1d6f199b6e38548e43c64040fa1c0cb37708635305dac85feb916a4be9f24","first_computed_at":"2026-05-18T00:14:37.359511Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:14:37.359511Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"V3XIvVuYeMLjuZzU6LqeC/IhTU0l0WThpdywbh7mXe5xgBhbWo8Vn7icM4oANNGbQnQPga4ZPoDx9AC6eJYACg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:14:37.360214Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.11213","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cc45754d931b803acaf65cabc775736287b1341aa1f28abc0b735f4873c85fb9","sha256:b72b203ebcab6b4ad116855aa0ebc577e3ad2aa29f4c41bc8a7c6e8ae21a41ad"],"state_sha256":"9d638433a23140d2260092263d8f27f303b84fbb74da69f852420cd25799f830"}