Triple

T18585624
Position Surface form Disambiguated ID Type / Status
Subject Transportation in Fairfax County, Virginia E454228 entity
Predicate hasMetrorailStation P39430 FINISHED
Object McLean station 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: McLean station | Statement: [Transportation in Fairfax County, Virginia, hasMetrorailStation, McLean station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: McLean station
Context triple: [Transportation in Fairfax County, Virginia, hasMetrorailStation, McLean station]
  • A. McLean station chosen
    McLean station is a Washington Metro rapid transit stop in McLean, Virginia, providing service to the nearby Tysons business district.
  • B. Herndon station
    Herndon station is a Washington Metro rail station in Herndon, Virginia, on the Silver Line serving the Dulles Technology Corridor and surrounding suburbs.
  • C. Ashburn station
    Ashburn station is a Washington Metro Silver Line terminus located in Loudoun County, Virginia, serving as a major commuter hub for the outer suburbs of the Washington, D.C. metropolitan area.
  • D. Ashburn station
    Ashburn station is a commuter rail stop on Metra’s SouthWest Service line serving the Ashburn neighborhood on Chicago’s Southwest Side.
  • E. Arlington station
    Arlington station is an underground light rail stop on Boston's MBTA Green Line located near the Back Bay and Boston Public Garden.
  • 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_69d8d38ae7e081908a98df1251842402 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e545b0dff08190a3be481faec34a3c completed April 19, 2026, 9:14 p.m.
Created at: April 10, 2026, 11:44 a.m.