Triple

T5482164
Position Surface form Disambiguated ID Type / Status
Subject Board Chair of Amtrak E123490 entity
Predicate appointedBy P257 FINISHED
Object Amtrak Board of Directors E123489 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: Amtrak Board of Directors | Statement: [Board Chair of Amtrak, appointedBy, Amtrak Board of Directors]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Amtrak Board of Directors
Context triple: [Board Chair of Amtrak, appointedBy, Amtrak Board of Directors]
  • A. Board of Directors of the National Railroad Passenger Corporation chosen
    The Board of Directors of the National Railroad Passenger Corporation is the governing body responsible for overseeing the management, policies, and strategic direction of Amtrak, the United States’ national intercity passenger rail service.
  • B. Board Chair of Amtrak
    The Board Chair of Amtrak is the leading governance official responsible for overseeing the company’s board of directors and guiding strategic decisions for the United States’ national passenger rail service.
  • C. Amtrak Chief Executive Officer
    The Amtrak Chief Executive Officer is the top executive responsible for leading the United States’ national passenger rail service, overseeing its operations, strategy, and overall performance.
  • D. Amtrak
    Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
  • E. Board of Directors of NJ Transit
    The Board of Directors of NJ Transit is the governing body that oversees policy, strategic direction, and fiscal and operational decisions for New Jersey’s statewide public transportation agency.
  • 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_69bd4648883481909e9775d43300c5fa completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd924bac088190b7d08df91534b0bc completed March 20, 2026, 6:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf77b59ef881909c5968194336b101 completed March 22, 2026, 5:01 a.m.
Created at: March 20, 2026, 2:09 p.m.