Triple

T9285891
Position Surface form Disambiguated ID Type / Status
Subject Transbay Transit Center E223393 entity
Predicate ownedBy P347 FINISHED
Object Transbay Joint Powers Authority E789712 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: Transbay Joint Powers Authority | Statement: [Transbay Transit Center, ownedBy, Transbay Joint Powers Authority]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Transbay Joint Powers Authority
Context triple: [Transbay Transit Center, ownedBy, Transbay Joint Powers Authority]
  • A. Transbay Joint Powers Authority chosen
    The Transbay Joint Powers Authority is a regional government agency in San Francisco responsible for planning, building, and operating the Transbay transit facilities, including the Salesforce Transit Center.
  • B. Santa Clara Valley Transportation Authority
    The Santa Clara Valley Transportation Authority is the public transit agency that operates bus, light rail, and related transportation services throughout Santa Clara County in California’s Silicon Valley.
  • C. San Francisco County Transportation Authority
    The San Francisco County Transportation Authority is the county’s transportation planning and funding agency, responsible for developing and overseeing major transit, roadway, and mobility projects in San Francisco.
  • D. San Mateo County Transportation Authority
    The San Mateo County Transportation Authority is a public agency responsible for planning, funding, and delivering transportation and congestion-relief projects within San Mateo County, California.
  • E. Solano Transportation Authority
    Solano Transportation Authority is a public agency that plans, funds, and coordinates transportation projects and services within Solano County, California.
  • 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_69ca8422ddf881908a3f8f876c9f53aa completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd0821b1108190b16e9570b09a14de completed April 1, 2026, 11:57 a.m.
NED1 Entity disambiguation (via context triple) batch_69d0e379a26c8190be2134fcec120f8e completed April 4, 2026, 10:10 a.m.
Created at: March 30, 2026, 7:35 p.m.