Triple

T3494701
Position Surface form Disambiguated ID Type / Status
Subject Third Street Light Rail Project Phase 2 E73822 entity
Predicate operator P179 FINISHED
Object San Francisco Municipal Transportation Agency E129483 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 Municipal Transportation Agency | Statement: [Third Street Light Rail Project Phase 2, operator, San Francisco Municipal Transportation Agency]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: San Francisco Municipal Transportation Agency
Context triple: [Third Street Light Rail Project Phase 2, operator, San Francisco Municipal Transportation Agency]
  • A. San Francisco Municipal Transportation Agency chosen
    The San Francisco Municipal Transportation Agency is the city department responsible for managing and operating San Francisco’s public transit, parking, traffic, and street infrastructure.
  • B. 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.
  • C. San Francisco Muni
    San Francisco Muni is the primary public transportation system in San Francisco, operating the city’s network of buses, light rail, historic streetcars, and cable cars.
  • D. Solano Transportation Authority
    Solano Transportation Authority is a public agency that plans, funds, and coordinates transportation projects and services within Solano County, California.
  • E. 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.
  • 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_69ad85cdb6e48190a335d412b9194ed8 completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adbbaebed881909d9cbc9c4c1f138f completed March 8, 2026, 6:10 p.m.
NED1 Entity disambiguation (via context triple) batch_69b503d9643881909737836640c22802 completed March 14, 2026, 6:44 a.m.
Created at: March 8, 2026, 3:18 p.m.