Triple

T2350290
Position Surface form Disambiguated ID Type / Status
Subject Tysons, Virginia E47431 entity
Predicate metroStation P28508 FINISHED
Object McLean station E149605 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: McLean station | Statement: [Tysons, Virginia, metroStation, McLean station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: McLean station
Context triple: [Tysons, Virginia, metroStation, 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. 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.
  • E. Loudoun Gateway station
    Loudoun Gateway station is a Silver Line Metrorail station in Loudoun County, Virginia, serving as part of the Washington, D.C. region’s rapid transit network.
  • 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_69a88a1b678c8190bce986922ba60ce0 completed March 4, 2026, 7:38 p.m.
NER Named-entity recognition batch_69abd0d813dc8190aa331cdca0b75eca completed March 7, 2026, 7:16 a.m.
NED1 Entity disambiguation (via context triple) batch_69aeb3c116088190b15fd12d5ac75594 completed March 9, 2026, 11:49 a.m.
Created at: March 4, 2026, 7:54 p.m.