Triple

T19898599
Position Surface form Disambiguated ID Type / Status
Subject G Line (Los Angeles Metro) E478216 entity
Predicate governedBy P46 FINISHED
Object Los Angeles County Metropolitan Transportation Authority Board — NE NERFINISHED

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: [G Line (Los Angeles Metro), governedBy, 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: [G Line (Los Angeles Metro), governedBy, 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. Southern California Regional Rail Authority Board
    The Southern California Regional Rail Authority Board is the governing body that oversees policy, planning, and operations for Metrolink commuter rail service across Southern California.
  • 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. 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.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d8e520682081909892916424699bd5 completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e6593fbb348190afa7acf45af406ed completed April 20, 2026, 4:50 p.m.
Created at: April 10, 2026, 1:52 p.m.