Triple

T325899
Position Surface form Disambiguated ID Type / Status
Subject City of Fairfax, Virginia E6516 entity
Predicate hasPublicTransitConnectionTo P3791 FINISHED
Object Vienna/Fairfax–GMU Metro station
Vienna/Fairfax–GMU Metro station is a Washington Metro Orange Line terminus in Northern Virginia that serves the Vienna and George Mason University areas.
 E42225 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: Vienna/Fairfax–GMU Metro station | Statement: [City of Fairfax, Virginia, hasPublicTransitConnectionTo, Vienna/Fairfax–GMU Metro station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Vienna/Fairfax–GMU Metro station
Context triple: [City of Fairfax, Virginia, hasPublicTransitConnectionTo, Vienna/Fairfax–GMU Metro station]
  • A. Foggy Bottom–GWU station
    Foggy Bottom–GWU station is a Washington, D.C. Metrorail station on the Blue, Orange, and Silver lines serving the George Washington University campus and nearby landmarks including the Kennedy Center.
  • B. Woodley Park–Zoo/Adams Morgan station
    Woodley Park–Zoo/Adams Morgan station is a Washington, D.C. Metro station on the Red Line that serves the Woodley Park and Adams Morgan neighborhoods near the National Zoo.
  • C. Capitol South Metro station
    Capitol South Metro station is a Washington, D.C. Metrorail station serving the U.S. Capitol complex and surrounding government offices on Capitol Hill.
  • D. Pentagon Metro station
    Pentagon Metro station is a Washington, D.C.–area rapid transit station serving the Pentagon, functioning as a major transfer point in the Washington Metro system.
  • E. Hunt Valley station
    Hunt Valley station is a light rail transit station in Hunt Valley, Maryland, serving as the northern endpoint of the Baltimore Light RailLink system.
  • 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: Vienna/Fairfax–GMU Metro station
Triple: [City of Fairfax, Virginia, hasPublicTransitConnectionTo, Vienna/Fairfax–GMU Metro station]
Generated description
Vienna/Fairfax–GMU Metro station is a Washington Metro Orange Line terminus in Northern Virginia that serves the Vienna and George Mason University areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Vienna/Fairfax–GMU Metro station
Target entity description: Vienna/Fairfax–GMU Metro station is a Washington Metro Orange Line terminus in Northern Virginia that serves the Vienna and George Mason University areas.
  • A. Foggy Bottom–GWU station
    Foggy Bottom–GWU station is a Washington, D.C. Metrorail station on the Blue, Orange, and Silver lines serving the George Washington University campus and nearby landmarks including the Kennedy Center.
  • B. Woodley Park–Zoo/Adams Morgan station
    Woodley Park–Zoo/Adams Morgan station is a Washington, D.C. Metro station on the Red Line that serves the Woodley Park and Adams Morgan neighborhoods near the National Zoo.
  • C. Capitol South Metro station
    Capitol South Metro station is a Washington, D.C. Metrorail station serving the U.S. Capitol complex and surrounding government offices on Capitol Hill.
  • D. Pentagon Metro station
    Pentagon Metro station is a Washington, D.C.–area rapid transit station serving the Pentagon, functioning as a major transfer point in the Washington Metro system.
  • E. Hunt Valley station
    Hunt Valley station is a light rail transit station in Hunt Valley, Maryland, serving as the northern endpoint of the Baltimore Light RailLink system.
  • 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_69a2e7933d6c8190bb2592ad13286ef2 completed Feb. 28, 2026, 1:03 p.m.
NER Named-entity recognition batch_69a2ee028c488190ad0109510de2956d completed Feb. 28, 2026, 1:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69a3cfec426081908a0c7e968846515a completed March 1, 2026, 5:34 a.m.
NEDg Description generation batch_69a3d0babef081909813c4189e996803 completed March 1, 2026, 5:38 a.m.
NED2 Entity disambiguation (via description) batch_69a3d144f09c81908a1d7df72a3b0bbc completed March 1, 2026, 5:40 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.