Triple
T437709
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Loudoun County, Virginia |
E10044
|
entity |
| Predicate | hasMetroStation |
P522
|
FINISHED |
| Object |
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.
|
E56464
|
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: Loudoun Gateway station | Statement: [Loudoun County, Virginia, hasMetroStation, Loudoun Gateway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Loudoun Gateway station Context triple: [Loudoun County, Virginia, hasMetroStation, Loudoun Gateway station]
-
A.
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.
-
B.
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.
-
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.
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.
-
E.
Braddock Road station
Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
- 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: Loudoun Gateway station Triple: [Loudoun County, Virginia, hasMetroStation, Loudoun Gateway station]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Loudoun Gateway station Target entity description: 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.
-
A.
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.
-
B.
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.
-
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.
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.
-
E.
Braddock Road station
Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
- 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_69a2e8465ef481909655c681b01e2986 |
completed | Feb. 28, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69a2ef26bb78819089b3b5dac0330619 |
completed | Feb. 28, 2026, 1:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a447fc06288190b74c4047849f615c |
completed | March 1, 2026, 2:06 p.m. |
| NEDg | Description generation | batch_69a448814bb48190821c12fad63cc904 |
completed | March 1, 2026, 2:09 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a448e45d248190a50fee4e2aefcaf5 |
completed | March 1, 2026, 2:10 p.m. |
Created at: Feb. 28, 2026, 1:11 p.m.