Triple

T8254187
Position Surface form Disambiguated ID Type / Status
Subject San Francisco Bay Area transit network E193029 entity
Predicate hasMajorHub P164 FINISHED
Object San Francisco Transbay Transit Center E223393 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: San Francisco Transbay Transit Center | Statement: [San Francisco Bay Area transit network, hasMajorHub, San Francisco Transbay Transit Center]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: San Francisco Transbay Transit Center
Context triple: [San Francisco Bay Area transit network, hasMajorHub, San Francisco Transbay Transit Center]
  • A. Transbay Transit Center chosen
    The Transbay Transit Center is a major transportation hub and rooftop park complex in downtown San Francisco that serves regional buses and future rail connections.
  • B. San Francisco Municipal Railway Building
    The San Francisco Municipal Railway Building is a historic civic structure in San Francisco designed in the Beaux-Arts style by architect John Bakewell Jr.
  • C. UCSF Mission Bay Station
    UCSF Mission Bay Station is a light rail stop on San Francisco’s T Third Street line serving the UCSF Mission Bay campus and surrounding neighborhood.
  • D. BART West Oakland station
    BART West Oakland station is an elevated rapid transit station in Oakland, California, serving as a key junction for multiple Bay Area Rapid Transit lines near the eastern approach to the San Francisco–Oakland Bay Bridge.
  • E. MacArthur BART station
    MacArthur BART station is a major Bay Area Rapid Transit hub in Oakland, California, serving as a key transfer point for multiple lines and regional commuters.
  • 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_69ca82dfad9c8190b8cd18fb89f50f40 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb78f8eccc8190b43204bf2f8defc1 completed March 31, 2026, 7:34 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd354a412c8190963605d177d94a17 completed April 1, 2026, 3:10 p.m.
Created at: March 30, 2026, 5:48 p.m.