Triple

T9797197
Position Surface form Disambiguated ID Type / Status
Subject State Street station E237746 entity
Predicate servedByService P1294 FINISHED
Object CTrail Hartford Line commuter rail service E43932 NE FINISHED

How this triple was built (2 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: CTrail Hartford Line commuter rail service | Statement: [State Street station, servedByService, CTrail Hartford Line commuter rail service]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CTrail Hartford Line commuter rail service
Context triple: [State Street station, servedByService, CTrail Hartford Line commuter rail service]
  • A. CTrail Hartford Line chosen
    CTrail Hartford Line is a commuter rail service in Connecticut that connects New Haven, Hartford, and Springfield, providing regional passenger transportation along the I‑91 corridor.
  • B. Burlington Route commuter service
    Burlington Route commuter service was the historic Chicago-area commuter rail operation of the Chicago, Burlington and Quincy Railroad that later evolved into today’s Metra BNSF Railway Line.
  • C. Connecticut River Line
    The Connecticut River Line is a historic railroad corridor running along the Connecticut River in New England, long used for passenger and freight service connecting communities in Massachusetts, Vermont, and New Hampshire.
  • D. MBTA Commuter Rail Providence/Stoughton Line
    The MBTA Commuter Rail Providence/Stoughton Line is a regional rail service connecting Boston with Providence and Stoughton, providing key commuter and intercity transit through southeastern Massachusetts and northern Rhode Island.
  • E. New Haven Line
    The New Haven Line is a major commuter rail route in the northeastern United States that connects New York City with New Haven, Connecticut, serving numerous communities along the Long Island Sound corridor.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69ca84dc04488190b9c91193976c0960 completed March 30, 2026, 2:12 p.m.
NER Named-entity recognition batch_69cda6264160819080da4805b213753f completed April 1, 2026, 11:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69d1eac78b1881908e77c3678f98fac9 completed April 5, 2026, 4:53 a.m.
Created at: March 30, 2026, 8:28 p.m.