Triple

T20096371
Position Surface form Disambiguated ID Type / Status
Subject Pittsburg, California E496410 entity
Predicate hasTransportation P105 FINISHED
Object Pittsburg/Bay Point BART station — 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: Pittsburg/Bay Point BART station | Statement: [Pittsburg, California, hasTransportation, Pittsburg/Bay Point BART station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pittsburg/Bay Point BART station
Context triple: [Pittsburg, California, hasTransportation, Pittsburg/Bay Point BART station]
  • A. Pittsburg Center BART station chosen
    Pittsburg Center BART station is an East Bay Area Rapid Transit station in Pittsburg, California, providing regional rail service and connections for commuters in the surrounding area.
  • B. Bay Point BART station
    Bay Point BART station is an elevated rapid transit station in Contra Costa County that serves as the eastern terminus of BART’s Yellow Line in the San Francisco Bay Area.
  • C. Lake Merritt BART station
    Lake Merritt BART station is an underground Bay Area Rapid Transit station in Oakland, California, serving the Lake Merritt neighborhood and nearby civic and residential areas.
  • D. Oakland City Center BART station
    Oakland City Center BART station is a rapid transit station in downtown Oakland, California, serving as a key hub on the Bay Area Rapid Transit system.
  • E. El Cerrito Plaza BART station
    El Cerrito Plaza BART station is an East Bay Rapid Transit rail station in the San Francisco Bay Area that serves the communities of El Cerrito and nearby Albany, California.
  • 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_69da626eee3881909f3454986d4a6511 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e6666cc02481908780a415b19c05a2 completed April 20, 2026, 5:46 p.m.
Created at: April 11, 2026, 11:25 p.m.