Triple

T1540414
Position Surface form Disambiguated ID Type / Status
Subject San Francisco–Oakland Bay Bridge E32851 entity
Predicate partOfNetwork P840 FINISHED
Object Bay Area toll bridge system E172509 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: Bay Area toll bridge system | Statement: [San Francisco–Oakland Bay Bridge, partOfNetwork, Bay Area toll bridge system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Bay Area toll bridge system
Context triple: [San Francisco–Oakland Bay Bridge, partOfNetwork, Bay Area toll bridge system]
  • A. Bay Area toll bridge network chosen
    The Bay Area toll bridge network is a system of major toll bridges connecting key cities and counties around the San Francisco Bay, facilitating regional commuter and freight transportation.
  • B. Portland bridge system
    The Portland bridge system is the network of iconic bridges spanning the Willamette and Columbia Rivers that connect Portland’s neighborhoods and support the city’s transportation infrastructure.
  • C. 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.
  • D. San Francisco–Oakland Bay Bridge
    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.
  • E. Transbay Tube
    The Transbay Tube is an underwater rail tunnel beneath San Francisco Bay that carries BART trains between San Francisco and Oakland.
  • 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_69a885ed29088190a3c2d5a3d100c16e completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a9083c942481909168394b6674d82b completed March 5, 2026, 4:36 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad30997d408190916f16d31bcc35b4 completed March 8, 2026, 8:17 a.m.
Created at: March 4, 2026, 7:26 p.m.