Triple

T70613
Position Surface form Disambiguated ID Type / Status
Subject San Francisco Bay E1412 entity
Predicate crossedBy P416 FINISHED
Object 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.
E33880 NE FINISHED

How this triple was built (4 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 Mateo–Hayward Bridge | Statement: [San Francisco Bay, crossedBy, San Mateo–Hayward Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: San Mateo–Hayward Bridge
Context triple: [San Francisco Bay, crossedBy, San Mateo–Hayward Bridge]
  • A. 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.
  • B. 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.
  • C. Theodore Roosevelt Bridge
    The Theodore Roosevelt Bridge is a major highway bridge over the Potomac River in Washington, D.C., carrying traffic between the city and Arlington, Virginia.
  • D. 145th Street Bridge
    The 145th Street Bridge is a swing bridge in New York City that carries vehicular and pedestrian traffic between Manhattan and the Bronx.
  • E. Tappan Zee Bridge
    The Tappan Zee Bridge was a major highway span in New York that carried traffic across the Hudson River between Westchester and Rockland counties, north of New York City.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: San Mateo–Hayward Bridge
Triple: [San Francisco Bay, crossedBy, San Mateo–Hayward Bridge]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: San Mateo–Hayward Bridge
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. Theodore Roosevelt Bridge
    The Theodore Roosevelt Bridge is a major highway bridge over the Potomac River in Washington, D.C., carrying traffic between the city and Arlington, Virginia.
  • D. 145th Street Bridge
    The 145th Street Bridge is a swing bridge in New York City that carries vehicular and pedestrian traffic between Manhattan and the Bronx.
  • E. Tappan Zee Bridge
    The Tappan Zee Bridge was a major highway span in New York that carried traffic across the Hudson River between Westchester and Rockland counties, north of New York City.
  • F. None of above. chosen

Provenance (5 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_69a24c06b3bc8190aa4ac89026115efc completed Feb. 28, 2026, 1:59 a.m.
NER Named-entity recognition batch_69a24f0578808190be793d7a161c2cf5 completed Feb. 28, 2026, 2:12 a.m.
NED1 Entity disambiguation (via context triple) batch_69a3836ba7b88190bfa6bab252695781 completed March 1, 2026, 12:08 a.m.
NEDg Description generation batch_69a383fa4f648190b859e0ae0a997f10 completed March 1, 2026, 12:10 a.m.
NED2 Entity disambiguation (via description) batch_69a384a01f1c8190bca17608d97413c2 completed March 1, 2026, 12:13 a.m.
Created at: Feb. 28, 2026, 2:03 a.m.