Triple

T15851017
Position Surface form Disambiguated ID Type / Status
Subject Measure R E384336 entity
Predicate sponsor P67 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: [Measure R, sponsor, 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: [Measure R, sponsor, 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. Alameda Corridor Transportation Authority
    The Alameda Corridor Transportation Authority is a public agency that developed and manages the Alameda Corridor freight rail expressway linking the Ports of Los Angeles and Long Beach to the national rail network.
  • C. 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.
  • D. Metropolitan Transit Commission
    The Metropolitan Transit Commission is the regional policy and oversight board that directs and approves major decisions for public transportation services in the Charlotte metropolitan area.
  • E. San Francisco Municipal Transportation Agency Board of Directors
    The San Francisco Municipal Transportation Agency Board of Directors is the governing body that sets policy and oversees the operation of the city’s public transportation and related mobility services.
  • 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_69d86da422088190aac39e32e6c68429 completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e14cacf5f08190a0dfe22018ed7905 completed April 16, 2026, 8:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffa147bce481909fb6f6ef2793a5a8 completed May 9, 2026, 9:04 p.m.
Created at: April 10, 2026, 4:50 a.m.