Triple

T10986321
Position Surface form Disambiguated ID Type / Status
Subject MacArthur BART station E259638 entity
Predicate lineServed P6301 FINISHED
Object Dublin/Pleasanton–Daly City line E90457 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–Daly City line | Statement: [MacArthur BART station, lineServed, Dublin/Pleasanton–Daly City line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Dublin/Pleasanton–Daly City line
Context triple: [MacArthur BART station, lineServed, Dublin/Pleasanton–Daly City line]
  • A. Dublin/Pleasanton–Daly City line chosen
    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. 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. Atherton line
    The Atherton line is a suburban railway route in Greater Manchester, England, connecting Manchester with towns such as Swinton, Walkden, and Atherton.
  • D. BART Fremont line
    The BART Fremont line is a Bay Area Rapid Transit route in the San Francisco Bay Area that historically extended service to the city of Fremont in southern Alameda County.
  • E. BART Richmond–Millbrae+SFO line
    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.
  • 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_69d6aa895f4c8190887a15460ef622f4 completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d787b2e4a88190a81504eee77e2298 completed April 9, 2026, 11:04 a.m.
NED1 Entity disambiguation (via context triple) batch_69e3c80ada908190a244eccc2b48df60 completed April 18, 2026, 6:06 p.m.
Created at: April 8, 2026, 9:24 p.m.