Triple

T8508219
Position Surface form Disambiguated ID Type / Status
Subject Orange County Line E201387 entity
Predicate connectsWith P37 FINISHED
Object L.A. Metro Rail at Los Angeles Union Station E207142 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: L.A. Metro Rail at Los Angeles Union Station | Statement: [Orange County Line, connectsWith, L.A. Metro Rail at Los Angeles Union Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: L.A. Metro Rail at Los Angeles Union Station
Context triple: [Orange County Line, connectsWith, L.A. Metro Rail at Los Angeles Union Station]
  • A. Metrolink at Union Station
    Metrolink at Union Station is the Southern California regional commuter rail service hub located at Los Angeles Union Station, providing connections between multiple counties and local transit lines.
  • B. Amtrak services at Los Angeles Union Station
    Amtrak services at Los Angeles Union Station comprise a major hub of intercity passenger rail routes linking Los Angeles with regional and long-distance destinations across California and the United States.
  • C. Jefferson/USC station
    Jefferson/USC station is a light rail stop in Los Angeles serving the University of Southern California area and surrounding neighborhoods.
  • D. Union Station (Los Angeles) chosen
    Union Station (Los Angeles) is the city’s main intermodal transportation terminal, serving as a central hub for regional rail, subway, light rail, and bus services.
  • E. Culver City station
    Culver City station is a light rail transit stop in Culver City, California, serving as a key node on Los Angeles Metro’s E Line.
  • 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_69ca8320e5748190ac2c585a0bba8193 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cbe5df74e8819086b1445cc907e371 completed March 31, 2026, 3:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69ce4e37b0548190908632fd167efac1 completed April 2, 2026, 11:08 a.m.
Created at: March 30, 2026, 6:15 p.m.