Triple

T111839
Position Surface form Disambiguated ID Type / Status
Subject Los Angeles County Metropolitan Transportation Authority E2263 entity
Predicate governingBody P46 FINISHED
Object Metro Board of Directors
The Metro Board of Directors is the policy-making body that oversees planning, funding, and operation of Los Angeles County’s public transportation system.
E11310 NE FINISHED

How this triple was built (4 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: Metro Board of Directors | Statement: [Los Angeles County Metropolitan Transportation Authority, governingBody, Metro Board of Directors]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Metro Board of Directors
Context triple: [Los Angeles County Metropolitan Transportation Authority, governingBody, Metro Board of Directors]
  • A. TriMet Board of Directors
    The TriMet Board of Directors is the policy-making and oversight body that directs the operations and strategic decisions of the Portland-area public transit agency TriMet.
  • B. Portland City Council
    The Portland City Council is the elected legislative and policy-making body that oversees municipal governance and services for the city of Portland, Oregon.
  • C. Washington Metrorail Safety Commission
    The Washington Metrorail Safety Commission is an independent oversight agency responsible for monitoring, investigating, and enforcing safety practices across the Washington, D.C. region’s Metrorail transit system.
  • D. Toronto City Council
    Toronto City Council is the municipal legislative body responsible for making bylaws, setting policies, and overseeing the governance of the city of Toronto, Canada.
  • E. 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.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Metro Board of Directors
Triple: [Los Angeles County Metropolitan Transportation Authority, governingBody, Metro Board of Directors]
Generated description
The Metro Board of Directors is the policy-making body that oversees planning, funding, and operation of Los Angeles County’s public transportation system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Metro Board of Directors
Target entity description: The Metro Board of Directors is the policy-making body that oversees planning, funding, and operation of Los Angeles County’s public transportation system.
  • A. TriMet Board of Directors
    The TriMet Board of Directors is the policy-making and oversight body that directs the operations and strategic decisions of the Portland-area public transit agency TriMet.
  • B. Portland City Council
    The Portland City Council is the elected legislative and policy-making body that oversees municipal governance and services for the city of Portland, Oregon.
  • C. Washington Metrorail Safety Commission
    The Washington Metrorail Safety Commission is an independent oversight agency responsible for monitoring, investigating, and enforcing safety practices across the Washington, D.C. region’s Metrorail transit system.
  • D. Toronto City Council
    Toronto City Council is the municipal legislative body responsible for making bylaws, setting policies, and overseeing the governance of the city of Toronto, Canada.
  • E. 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.
  • F. None of above. chosen

Provenance (5 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_69a24fcdaeb48190a2d796677e4b3281 completed Feb. 28, 2026, 2:15 a.m.
NER Named-entity recognition batch_69a256ec650c8190bee2067e37065527 completed Feb. 28, 2026, 2:46 a.m.
NED1 Entity disambiguation (via context triple) batch_69a27c0652508190aa8d569ee7dae7bc completed Feb. 28, 2026, 5:24 a.m.
NEDg Description generation batch_69a27cc652048190bd6ac1fb6788991a completed Feb. 28, 2026, 5:27 a.m.
NED2 Entity disambiguation (via description) batch_69a27d8de2888190a9f37390d7a4324e completed Feb. 28, 2026, 5:30 a.m.
Created at: Feb. 28, 2026, 2:20 a.m.