Triple

T1756113
Position Surface form Disambiguated ID Type / Status
Subject Metro Rail (Los Angeles) E38551 entity
Predicate governingBody P46 FINISHED
Object Los Angeles County Metropolitan Transportation Authority Board E2263 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: Los Angeles County Metropolitan Transportation Authority Board | Statement: [Metro Rail (Los Angeles), governingBody, Los Angeles County Metropolitan Transportation Authority Board]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Los Angeles County Metropolitan Transportation Authority Board
Context triple: [Metro Rail (Los Angeles), governingBody, Los Angeles County Metropolitan Transportation Authority Board]
  • 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. Metropolitan Transportation Commission
    The Metropolitan Transportation Commission is the regional planning, financing, and coordinating agency for transportation in the nine-county San Francisco Bay Area.
  • D. Los Angeles County Board of Supervisors
    The Los Angeles County Board of Supervisors is the powerful five-member elected body that serves as both the executive and legislative authority for Los Angeles County, overseeing its budget, services, and policies.
  • E. Los Angeles City Council
    The Los Angeles City Council is the legislative body of the City of Los Angeles, responsible for creating local laws, approving budgets, and overseeing city services and development across its districts.
  • 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_69a8862bdb2081908aefe831c8aa8017 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69aa643b623081908064be75758ec5de completed March 6, 2026, 5:20 a.m.
NED1 Entity disambiguation (via context triple) batch_69adb5c4f7cc8190a60d3bd276711b27 completed March 8, 2026, 5:45 p.m.
Created at: March 4, 2026, 7:31 p.m.