{"schema_version":"papers/paper-detail-v1","title":"A Gated Hybrid Contrastive Collaborative Filtering Recommendation","surface":"papers","opportunity_kernel":{"paper_id":"df1bc03f-a358-4194-a8f0-0fbc411c17b9","title":"A Gated Hybrid Contrastive Collaborative Filtering Recommendation","authors":["Eduardo Ferreira da Silva","Mayki dos Santos Oliveira","Joel Machado Pires","Denis Dantas Boaventura","Maycon Maciel Peixoto","Cassio Serafim Prazeres","Gustavo Bittencourt Figueiredo","Miriam Capretz","Frederico Araujo Durão"],"arxiv_id":"2604.27117v1","doi":null,"published_at":"2026-04-29T19:10:43.000Z","score_object":{"overall":{"value":7,"scale":"0-10","confidence":0.85,"confidence_reason":"Backfilled from persisted papers.viability_score.","model_version":"phase0-backfill-v1","pipeline_version":"phase0-kernel-v1","computed_at":"2026-05-01T20:10:10.436Z","fresh_until":"2026-05-31T20:10:10.436Z","is_stale":false,"source_count":1,"missingness":[]},"technical":{"value":1.4,"scale":"0-10","confidence":0.55,"confidence_reason":"Backfilled from paper_extraction_scorecards.reconstruction_score.","model_version":"phase0-backfill-v1","pipeline_version":"phase0-kernel-v1","computed_at":"2026-05-01T20:11:47.215Z","fresh_until":"2026-05-15T20:11:47.215Z","is_stale":true,"source_count":1,"missingness":["reproducibility_results.reproducibility_score","deployability_scores.score"]},"commercial":{"value":4,"scale":"0-10","confidence":0.75,"confidence_reason":"Backfilled from persisted commercial_flags and repo availability.","model_version":"phase0-backfill-v1","pipeline_version":"phase0-kernel-v1","computed_at":"2026-05-01T20:10:10.436Z","fresh_until":"2026-05-31T20:10:10.436Z","is_stale":false,"source_count":1,"missingness":[]},"market":{"value":2,"scale":"0-10","confidence":0.45,"confidence_reason":"Heuristic market score materialized from paper metadata, repo availability, and deployability.","model_version":"phase0-backfill-v1","pipeline_version":"phase0-kernel-v1","computed_at":"2026-05-01T20:30:30.211Z","fresh_until":"2026-05-15T20:30:30.211Z","is_stale":true,"source_count":1,"missingness":[]},"team":{"value":6.5,"scale":"0-10","confidence":0.42,"confidence_reason":"Heuristic fallback from paper author count and extracted affiliations.","model_version":"phase0-backfill-v1","pipeline_version":"phase0-kernel-v1","computed_at":"2026-05-01T20:10:10.436Z","fresh_until":"2026-05-15T20:10:10.436Z","is_stale":true,"source_count":2,"missingness":[]},"methodology":{"value":3.9,"scale":"0-10","confidence":0.82,"confidence_reason":"Backfilled from paper_extraction_scorecards.total_score.","model_version":"phase0-backfill-v1","pipeline_version":"phase0-kernel-v1","computed_at":"2026-05-01T20:11:47.215Z","fresh_until":"2026-05-31T20:11:47.215Z","is_stale":false,"source_count":2,"missingness":[]}},"evidence_receipt":{"freshness":"stale","proof_status":"unverified","repo_status":"missing","references_count":0,"source_count":3,"coverage":0.5,"missingness":["repo_url","references","proof_status"],"unresolved_unknowns":["proof verification has not been recorded yet"],"last_verification_at":"2026-05-01T20:30:30.211Z"},"lineage_hash":"9022c267fdfbcd98be394ed56c4f914c48b1bf52be9d0a7aefaee27ec0ebf614"},"distribution":null,"replication_evidence":[],"author_dna":[]}