Triple

T4837772
Position Surface form Disambiguated ID Type / Status
Subject Yerba Buena Tunnel E108102 entity
Predicate adjacentTo P224 FINISHED
Object San Francisco–Oakland Bay Bridge western span E32851 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–Oakland Bay Bridge western span | Statement: [Yerba Buena Tunnel, adjacentTo, San Francisco–Oakland Bay Bridge western span]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: San Francisco–Oakland Bay Bridge western span
Context triple: [Yerba Buena Tunnel, adjacentTo, San Francisco–Oakland Bay Bridge western span]
  • A. San Francisco–Oakland Bay Bridge chosen
    The San Francisco–Oakland Bay Bridge is a major multi-span suspension and cantilever bridge connecting San Francisco and Oakland, serving as one of the primary highway links across the central part of the San Francisco Bay.
  • B. San Mateo–Hayward Bridge
    The San Mateo–Hayward Bridge is a major vehicular bridge in the San Francisco Bay Area that carries traffic across the bay between the San Mateo Peninsula and the East Bay.
  • C. Richmond–San Rafael Bridge
    The Richmond–San Rafael Bridge is a major toll bridge in the San Francisco Bay Area that connects the cities of Richmond in the East Bay and San Rafael in Marin County.
  • D. Cabrillo Bridge
    Cabrillo Bridge is a historic concrete arch bridge in San Diego, California, best known for carrying traffic into Balboa Park and framing iconic views of the park’s Spanish Colonial Revival architecture.
  • E. Carquinez Bridge
    Carquinez Bridge is a major twin-span steel bridge in the San Francisco Bay Area that carries Interstate 80 across the Carquinez Strait between Crockett and Vallejo.
  • 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_69bd43fbe444819085cb970706ef73f7 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6ce2e810819089f9a3f2a7574d44 completed March 20, 2026, 3:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69be778cace48190ad28eaf21aec7146 completed March 21, 2026, 10:48 a.m.
Created at: March 20, 2026, 1:25 p.m.