Triple

T496050
Position Surface form Disambiguated ID Type / Status
Subject Del Ray E10295 entity
Predicate nearbyTransportation P5822 FINISHED
Object Potomac Yard–VT Metrorail station
Potomac Yard–VT Metrorail station is a Washington Metro station in Alexandria, Virginia, serving the Blue and Yellow lines and providing transit access to the Potomac Yard redevelopment area and nearby neighborhoods.
E66208 NE FINISHED

How this triple was built (5 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: Potomac Yard–VT Metrorail station | Statement: [Del Ray, nearbyTransportation, Potomac Yard–VT Metrorail station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Potomac Yard–VT Metrorail station
Context triple: [Del Ray, nearbyTransportation, Potomac Yard–VT Metrorail station]
  • A. 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.
  • B. Crystal City station (Washington Metro)
    Crystal City station (Washington Metro) is an underground rapid transit station in Arlington, Virginia, serving the Blue and Yellow Lines and providing access to the Crystal City business district near Reagan National Airport.
  • C. Crystal City station (VRE)
    Crystal City station (VRE) is a Virginia Railway Express commuter rail stop serving the Crystal City neighborhood in Arlington, Virginia, providing connections to Washington, D.C. and other regional destinations.
  • D. Pentagon City station
    Pentagon City station is a Washington Metro rapid transit stop in Arlington, Virginia, serving the Pentagon City neighborhood and its adjacent shopping and office complexes.
  • E. Columbia Heights station
    Columbia Heights station is a Washington, D.C. Metro stop on the Green and Yellow lines serving the Columbia Heights neighborhood and nearby Adams Morgan area.
  • 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: Potomac Yard–VT Metrorail station
Triple: [Del Ray, nearbyTransportation, Potomac Yard–VT Metrorail station]
Generated description
Potomac Yard–VT Metrorail station is a Washington Metro station in Alexandria, Virginia, serving the Blue and Yellow lines and providing transit access to the Potomac Yard redevelopment area and nearby neighborhoods.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Potomac Yard–VT Metrorail station
Target entity description: Potomac Yard–VT Metrorail station is a Washington Metro station in Alexandria, Virginia, serving the Blue and Yellow lines and providing transit access to the Potomac Yard redevelopment area and nearby neighborhoods.
  • A. 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.
  • B. Crystal City station (Washington Metro)
    Crystal City station (Washington Metro) is an underground rapid transit station in Arlington, Virginia, serving the Blue and Yellow Lines and providing access to the Crystal City business district near Reagan National Airport.
  • C. Crystal City station (VRE)
    Crystal City station (VRE) is a Virginia Railway Express commuter rail stop serving the Crystal City neighborhood in Arlington, Virginia, providing connections to Washington, D.C. and other regional destinations.
  • D. Pentagon City station
    Pentagon City station is a Washington Metro rapid transit stop in Arlington, Virginia, serving the Pentagon City neighborhood and its adjacent shopping and office complexes.
  • E. Columbia Heights station
    Columbia Heights station is a Washington, D.C. Metro stop on the Green and Yellow lines serving the Columbia Heights neighborhood and nearby Adams Morgan area.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: nearbyTransportation
Context triple: [Del Ray, nearbyTransportation, Potomac Yard–VT Metrorail station]
  • A. transportationNearby
    Indicates that there is a transportation facility or service located close to the referenced entity.
  • B. nearbyTransit chosen
    Indicates that one location has public transportation options situated within a short distance or easy access from it.
  • C. nearbyCurrent
    Indicates that one entity is located close to another entity at the present moment or in the current context.
  • D. hasNearbyFacility
    Indicates that one entity is located close to or in the vicinity of a particular facility.
  • E. nearbyFeature
    Indicates that one entity is located close to or in the immediate vicinity of another entity.
  • F. None of above.

Provenance (6 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_69a2e847df8481909239ec08ccf1e376 completed Feb. 28, 2026, 1:06 p.m.
NER Named-entity recognition batch_69a2f115334881908ac5ab96c7f4214e completed Feb. 28, 2026, 1:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4b5d3b5f0819093c5d55bdf5a7c4d completed March 1, 2026, 9:55 p.m.
NEDg Description generation batch_69a4b673f5dc8190a70b7ddcf76ec016 completed March 1, 2026, 9:58 p.m.
NED2 Entity disambiguation (via description) batch_69a4b79ec4b48190b992f642aa7cddb7 completed March 1, 2026, 10:03 p.m.
PD Predicate disambiguation batch_69a2edfa87cc8190a77c726a5a55b7d9 completed Feb. 28, 2026, 1:30 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.