Triple

T13454821
Position Surface form Disambiguated ID Type / Status
Subject Dublin/Pleasanton station E311201 entity
Predicate line P1293 FINISHED
Object Dublin/Pleasanton–San Francisco International Airport/Millbrae line E760656 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: Dublin/Pleasanton–San Francisco International Airport/Millbrae line | Statement: [Dublin/Pleasanton station, line, Dublin/Pleasanton–San Francisco International Airport/Millbrae line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Dublin/Pleasanton–San Francisco International Airport/Millbrae line
Context triple: [Dublin/Pleasanton station, line, Dublin/Pleasanton–San Francisco International Airport/Millbrae line]
  • A. 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.
  • B. BART Richmond–Millbrae+SFO line chosen
    The BART Richmond–Millbrae+SFO line is a Bay Area Rapid Transit route that runs from Richmond in the East Bay through Oakland and San Francisco to Millbrae and San Francisco International Airport.
  • C. 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.
  • D. BART Antioch–SFO+Millbrae line
    The BART Antioch–SFO+Millbrae line is a Bay Area Rapid Transit service that runs between Antioch in the East Bay and San Francisco International Airport and Millbrae, connecting suburban communities with major regional transit hubs.
  • E. BART Blue Line
    The BART Blue Line is a Bay Area Rapid Transit service route that runs through San Francisco and the greater Bay Area, connecting key urban centers and regional destinations.
  • 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_69d806a938b8819097ec43a2229fc7f9 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69dbaefc52448190b30d7999f44a9765 completed April 12, 2026, 2:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69f7462522c88190a6a6e2e2292e2414 completed May 3, 2026, 12:57 p.m.
Created at: April 9, 2026, 9:41 p.m.