Triple

T22595590
Position Surface form Disambiguated ID Type / Status
Subject Amtrak in Silicon Valley E574670 entity
Predicate governingAgencyPartner P139240 FINISHED
Object Capitol Corridor Joint Powers Authority NE NERFINISHED

How this triple was built (3 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: Capitol Corridor Joint Powers Authority | Statement: [Amtrak in Silicon Valley, governingAgencyPartner, Capitol Corridor Joint Powers Authority]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Capitol Corridor Joint Powers Authority
Context triple: [Amtrak in Silicon Valley, governingAgencyPartner, Capitol Corridor Joint Powers Authority]
  • A. Capitol Corridor Joint Powers Authority chosen
    The Capitol Corridor Joint Powers Authority is a California-based public agency that oversees and manages Amtrak’s Capitol Corridor intercity passenger rail service between the Sacramento–San Francisco Bay Area region and surrounding communities.
  • B. Peninsula Corridor Joint Powers Board
    The Peninsula Corridor Joint Powers Board is a public agency formed by Bay Area counties to oversee and manage the Caltrain commuter rail service along the San Francisco Peninsula.
  • C. Transbay Joint Powers Authority
    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.
  • D. San Joaquin Regional Rail Commission
    The San Joaquin Regional Rail Commission is a public agency in California responsible for planning, managing, and overseeing regional passenger rail services in the San Joaquin Valley and surrounding areas.
  • E. San Joaquin Regional Transit District
    San Joaquin Regional Transit District is the public transportation agency serving San Joaquin County, California, providing bus and related transit services to cities such as Stockton and Tracy.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: governingAgencyPartner
Context triple: [Amtrak in Silicon Valley, governingAgencyPartner, Capitol Corridor Joint Powers Authority]
  • A. governmentPartner
    Indicates that one entity collaborates with or is formally partnered with a government or governmental body in some capacity.
  • B. governingBodyPartnership
    Indicates a formal cooperative relationship between governing bodies, where they jointly coordinate, manage, or support shared policies, programs, or responsibilities.
  • C. collaboratingAgencies
    Indicates that multiple agencies are working together in a coordinated manner toward shared goals or activities.
  • D. governingPartner
    Indicates that one entity serves as the primary ruling or controlling partner in relation to another within a governance or leadership structure.
  • E. governancePartner chosen
    Indicates a relationship in which one entity collaborates with or supports another in governing, overseeing, or making strategic decisions for an organization, project, or system.
  • F. None of above.

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_69e245bc11308190b69d794d5d1e0bb6 completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f16268cb54819084a0f27ec0473f35 completed April 29, 2026, 1:44 a.m.
PD Predicate disambiguation batch_69ee627be4248190889a88764624e174 completed April 26, 2026, 7:07 p.m.
Created at: April 17, 2026, 2:49 p.m.