Triple

T9597540
Position Surface form Disambiguated ID Type / Status
Subject 19th Street Oakland station E231569 entity
Predicate hasService P182 FINISHED
Object Berryessa/North San José–Richmond line E91128 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: Berryessa/North San José–Richmond line | Statement: [19th Street Oakland station, hasService, Berryessa/North San José–Richmond line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Berryessa/North San José–Richmond line
Context triple: [19th Street Oakland station, hasService, Berryessa/North San José–Richmond line]
  • A. Berryessa/North San José–Richmond line chosen
    The Berryessa/North San José–Richmond line is a Bay Area Rapid Transit (BART) service route connecting San José’s Berryessa/North San José station with the city of Richmond in the San Francisco Bay Area.
  • B. Richmond–Millbrae line
    The Richmond–Millbrae line is a Bay Area Rapid Transit (BART) service route in the San Francisco Bay Area that connects Richmond in the East Bay with Millbrae near San Francisco International Airport.
  • C. Dublin/Pleasanton–Daly City line
    The Dublin/Pleasanton–Daly City line is a Bay Area Rapid Transit (BART) heavy rail service connecting the East Bay’s Tri-Valley area with San Francisco via a transbay route.
  • D. Atherton line
    The Atherton line is a suburban railway route in Greater Manchester, England, connecting Manchester with towns such as Swinton, Walkden, and Atherton.
  • E. BART Berryessa/North San José–Daly City line
    The BART Berryessa/North San José–Daly City line is a Bay Area Rapid Transit service connecting San José’s Berryessa/North San José station with Daly City through downtown San Francisco and the East Bay.
  • 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_69ca8482884481908eccdfdf64d6fbf7 completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cd9a34f5408190ba72ba8311eb259c completed April 1, 2026, 10:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69d1619f4170819092ae90b2896b0855 completed April 4, 2026, 7:08 p.m.
Created at: March 30, 2026, 8:07 p.m.