Triple

T1797573
Position Surface form Disambiguated ID Type / Status
Subject Metrolink (Southern California) E39638 entity
Predicate memberAgency P23339 FINISHED
Object Los Angeles County Metropolitan Transportation Authority E2263 NE FINISHED

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: Los Angeles County Metropolitan Transportation Authority | Statement: [Metrolink (Southern California), memberAgency, Los Angeles County Metropolitan Transportation Authority]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Los Angeles County Metropolitan Transportation Authority
Context triple: [Metrolink (Southern California), memberAgency, Los Angeles County Metropolitan Transportation Authority]
  • A. Los Angeles County Metropolitan Transportation Authority chosen
    The Los Angeles County Metropolitan Transportation Authority is the primary public transit agency for Los Angeles County, operating and overseeing the region’s bus and rail systems.
  • B. Los Angeles Department of Transportation
    The Los Angeles Department of Transportation is the city agency responsible for managing and regulating transportation systems, traffic operations, and mobility services within Los Angeles.
  • C. 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.
  • D. Orange County Transportation Authority
    The Orange County Transportation Authority is the public agency responsible for planning, funding, and operating Orange County, California’s bus, rail, and freeway transportation systems.
  • E. Los Angeles Metro Rail
    Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
  • 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: memberAgency
Context triple: [Metrolink (Southern California), memberAgency, Los Angeles County Metropolitan Transportation Authority]
  • A. memberCountryAgency
    Indicates that an agency belongs to, is governed by, or officially represents a particular member country within a larger organization or system.
  • B. componentAgency chosen
    Indicates that one entity functions as a constituent or subordinate agency within the organizational structure of another agency.
  • C. memberCompany
    Indicates that a company is formally part of, or affiliated as a member with, a larger organization, group, or association.
  • D. designatesAgencyAs
    Indicates that one entity formally assigns or recognizes another entity as its acting agency or representative body.
  • E. agency
    Indicates that an entity acts on behalf of, represents, or exercises power or control for another entity in performing an action or fulfilling a role.
  • F. None of above.

Provenance (4 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_69a88632aa588190ba3978fde0db5bbd completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69ab61b6ea188190aab9fb839bf1e367 completed March 6, 2026, 11:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69addf3fd6bc81908b762644fb588f0a completed March 8, 2026, 8:42 p.m.
PD Predicate disambiguation batch_69aa61d2f7a8819090301f92d3e358c7 completed March 6, 2026, 5:10 a.m.
Created at: March 4, 2026, 7:32 p.m.