Triple

T17533412
Position Surface form Disambiguated ID Type / Status
Subject Red Line (TRAX) E426994 entity
Predicate system P730 FINISHED
Object Salt Lake City TRAX light rail system — NE NERFINISHED

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: Salt Lake City TRAX light rail system | Statement: [Red Line (TRAX), system, Salt Lake City TRAX light rail system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Salt Lake City TRAX light rail system
Context triple: [Red Line (TRAX), system, Salt Lake City TRAX light rail system]
  • A. Salt Lake City TRAX chosen
    Salt Lake City TRAX is a light rail transit system serving the Salt Lake City metropolitan area in Utah, operated by the Utah Transit Authority.
  • B. LYNX light rail system
    The LYNX light rail system is Charlotte, North Carolina’s urban rail transit network, providing electric passenger service along key corridors such as the Blue Line.
  • C. UTA FrontRunner network
    The UTA FrontRunner network is a regional commuter rail system in Utah that connects major cities along the Wasatch Front, including Salt Lake City, Ogden, and Provo.
  • D. Salt Lake Central station
    Salt Lake Central station is a major intermodal transit hub in downtown Salt Lake City, Utah, serving light rail, commuter rail, and bus services.
  • E. Mi Tren light rail system
    The Mi Tren light rail system is an urban rail transit network serving the Guadalajara metropolitan area in Jalisco, Mexico.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d889de677081909b22d2657b1f0292 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e4536a0f588190ade91d32308897a0 completed April 19, 2026, 4 a.m.
Created at: April 10, 2026, 5:49 a.m.