Triple

T5164338
Position Surface form Disambiguated ID Type / Status
Subject Downtown San Jose stations E116513 entity
Predicate hasStation P35 FINISHED
Object Santa Clara station (VTA)
Santa Clara station (VTA) is a light rail stop in downtown San Jose, California, served by the Santa Clara Valley Transportation Authority.
 E499969 NE FINISHED

How this triple was built (4 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: Santa Clara station (VTA) | Statement: [Downtown San Jose stations, hasStation, Santa Clara station (VTA)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Santa Clara station (VTA)
Context triple: [Downtown San Jose stations, hasStation, Santa Clara station (VTA)]
  • A. Millbrae station
    Millbrae station is a major intermodal transit hub in Millbrae, California, serving as a connection point between Caltrain commuter rail, BART rapid transit, and other local transportation services.
  • B. Daly City station
    Daly City station is a Bay Area Rapid Transit (BART) rapid transit station serving the city of Daly City just south of San Francisco, California.
  • C. 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.
  • D. 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.
  • E. Mountain View station
    Mountain View station is a commuter rail stop in Mountain View, California, serving as a key transit hub on the Caltrain line and connecting to local light rail and bus services.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Santa Clara station (VTA)
Triple: [Downtown San Jose stations, hasStation, Santa Clara station (VTA)]
Generated description
Santa Clara station (VTA) is a light rail stop in downtown San Jose, California, served by the Santa Clara Valley Transportation Authority.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Santa Clara station (VTA)
Target entity description: Santa Clara station (VTA) is a light rail stop in downtown San Jose, California, served by the Santa Clara Valley Transportation Authority.
  • A. Millbrae station
    Millbrae station is a major intermodal transit hub in Millbrae, California, serving as a connection point between Caltrain commuter rail, BART rapid transit, and other local transportation services.
  • B. Daly City station
    Daly City station is a Bay Area Rapid Transit (BART) rapid transit station serving the city of Daly City just south of San Francisco, California.
  • C. 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.
  • D. 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.
  • E. Mountain View station
    Mountain View station is a commuter rail stop in Mountain View, California, serving as a key transit hub on the Caltrain line and connecting to local light rail and bus services.
  • F. None of above. chosen

Provenance (5 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_69bd445edb3881909b93b34d260717fc completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd792936d48190825da8826448c1da completed March 20, 2026, 4:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69bed933abd88190981cb16189685b8f completed March 21, 2026, 5:45 p.m.
NEDg Description generation batch_69beda793fbc819098386f6d7633df95 completed March 21, 2026, 5:50 p.m.
NED2 Entity disambiguation (via description) batch_69bedadb77dc81909604133f25977f35 completed March 21, 2026, 5:52 p.m.
Created at: March 20, 2026, 1:44 p.m.