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.