{"schema_version":"papers/paper-detail-v1","title":"From GPS Points to Travel Patterns: Flexible and Semantic Trajectory Generation with LLMs","surface":"papers","opportunity_kernel":{"paper_id":"8db79d98-43ca-4002-b73f-70305230df6f","title":"From GPS Points to Travel Patterns: Flexible and Semantic Trajectory Generation with LLMs","authors":["Silin Zhou","Chenhao Wang","Yuntao Wen","Shuo Shang","Lisi Chen","Panos Kalnis"],"arxiv_id":"2605.30014v1","doi":null,"published_at":"2026-05-28T14:39:40.000Z","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":"2026-05-29T20:13:12.447Z","fresh_until":"2026-06-28T20:13:12.447Z","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":"2026-05-29T20:34:19.781Z","fresh_until":"2026-06-12T20:34:19.781Z","is_stale":false,"source_count":1,"missingness":["reproducibility_results.reproducibility_score","deployability_scores.score"]},"commercial":{"value":5,"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":"2026-05-29T20:13:12.447Z","fresh_until":"2026-06-28T20:13:12.447Z","is_stale":false,"source_count":2,"missingness":[]},"market":{"value":5.5,"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":"2026-05-29T20:42:32.261Z","fresh_until":"2026-06-12T20:42:32.261Z","is_stale":false,"source_count":1,"missingness":[]},"team":{"value":4.7,"scale":"0-10","confidence":0.28,"confidence_reason":"Heuristic fallback from paper author count.","model_version":"phase0-backfill-v1","pipeline_version":"phase0-kernel-v1","computed_at":"2026-05-29T20:13:12.447Z","fresh_until":"2026-06-12T20:13:12.447Z","is_stale":false,"source_count":1,"missingness":["paper_author_affiliations"]},"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":"2026-05-29T20:19:09.565Z","fresh_until":"2026-06-28T20:19:09.565Z","is_stale":false,"source_count":2,"missingness":[]}},"evidence_receipt":{"freshness":"fresh","proof_status":"unverified","repo_status":"active","references_count":0,"source_count":4,"coverage":0.8333,"missingness":["references"],"unresolved_unknowns":[],"last_verification_at":"2026-05-29T20:34:19.781Z"},"lineage_hash":"b03d4607408475b74ec60ad253a20147ea06def2aea52e79dc5b839e652909d6"},"distribution":null,"replication_evidence":[],"author_dna":[]}