Triple

T6389984
Position Surface form Disambiguated ID Type / Status
Subject Belmont, California E143798 entity
Predicate hasStation P35 FINISHED
Object Belmont Caltrain station E317066 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: Belmont Caltrain station | Statement: [Belmont, California, hasStation, Belmont Caltrain station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Belmont Caltrain station
Context triple: [Belmont, California, hasStation, Belmont Caltrain station]
  • A. Belmont Caltrain station chosen
    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.
  • B. San Carlos Caltrain station
    San Carlos Caltrain station is a commuter rail station on the Caltrain line serving the city of San Carlos in San Mateo County, California.
  • C. 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.
  • D. 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.
  • E. San Bruno Caltrain station
    San Bruno Caltrain station is a commuter rail stop on Caltrain’s Peninsula corridor serving passengers in the city of San Bruno, south of San Francisco.
  • 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_69c008db906c819096f3597d55d95432 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c0686cc6d481909c62a29a84a4ce8e completed March 22, 2026, 10:08 p.m.
NED1 Entity disambiguation (via context triple) batch_69c638868d4481908611530d0bc8e286 completed March 27, 2026, 7:57 a.m.
Created at: March 22, 2026, 4:34 p.m.