Triple

T19232390
Position Surface form Disambiguated ID Type / Status
Subject E Embarcadero line E480902 entity
Predicate terminus P388 FINISHED
Object Caltrain Depot at 4th & King — 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: Caltrain Depot at 4th & King | Statement: [E Embarcadero line, terminus, Caltrain Depot at 4th & King]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Caltrain Depot at 4th & King
Context triple: [E Embarcadero line, terminus, Caltrain Depot at 4th & King]
  • A. Broadway Caltrain station
    Broadway Caltrain station is a commuter rail stop in Burlingame, California, serving passengers on Caltrain’s Peninsula Corridor between San Francisco and San Jose.
  • B. Palo Alto Caltrain Station
    Palo Alto Caltrain Station is a major commuter rail station in Palo Alto, California, serving as a key transit hub for Caltrain services along the San Francisco Peninsula.
  • C. San Francisco Caltrain Station chosen
    San Francisco Caltrain Station is a major commuter rail terminal in San Francisco that serves as the northern terminus for Caltrain services connecting the city with the Peninsula and Silicon Valley.
  • D. Caltrain Bayshore Station
    Caltrain Bayshore Station is a commuter rail stop on the Caltrain line serving the southeastern San Francisco area near the Visitacion Valley neighborhood.
  • E. Belmont Caltrain station
    Belmont Caltrain station is a commuter rail station in Belmont, California, providing Peninsula rail service on the Caltrain line between San Francisco and San Jose.
  • 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_69d8e8ccb8f48190ad420098e74fb1db completed April 10, 2026, 12:10 p.m.
NER Named-entity recognition batch_69e5fa9db56081908f50d318d7fc9eaa completed April 20, 2026, 10:06 a.m.
Created at: April 10, 2026, 1:25 p.m.