Triple
T2676212
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Loudoun Gateway station |
E56464
|
entity |
| Predicate | servesFacility |
P26183
|
FINISHED |
| Object |
Dulles North Transit Center
Dulles North Transit Center is a major park-and-ride and bus transit hub in Loudoun County, Virginia, providing commuter connections to the Washington, D.C. metropolitan area.
|
E293107
|
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: Dulles North Transit Center | Statement: [Loudoun Gateway station, servesFacility, Dulles North Transit Center]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dulles North Transit Center Context triple: [Loudoun Gateway station, servesFacility, Dulles North Transit Center]
-
A.
Dulles International Airport station
Dulles International Airport station is a Washington Metro rail station on the Silver Line that provides direct transit access to Washington Dulles International Airport.
-
B.
Ronald Reagan Washington National Airport station
Ronald Reagan Washington National Airport station is a Washington Metro rail station in Arlington, Virginia that directly serves the airport’s terminals.
-
C.
Reston Town Center station
Reston Town Center station is a Washington Metro rail station in Reston, Virginia, providing access to the Reston Town Center area along the Silver Line.
-
D.
Tysons Corner station
Tysons Corner station is a Washington Metro rapid transit stop in Tysons, Virginia, serving the major Tysons Corner commercial and shopping district.
-
E.
Dunn Loring–Merrifield station
Dunn Loring–Merrifield station is a Washington Metro rapid transit station in Fairfax County, Virginia, serving the Orange Line and the surrounding Dunn Loring and Merrifield communities.
- 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: Dulles North Transit Center Triple: [Loudoun Gateway station, servesFacility, Dulles North Transit Center]
Generated description
Dulles North Transit Center is a major park-and-ride and bus transit hub in Loudoun County, Virginia, providing commuter connections to the Washington, D.C. metropolitan area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Dulles North Transit Center Target entity description: Dulles North Transit Center is a major park-and-ride and bus transit hub in Loudoun County, Virginia, providing commuter connections to the Washington, D.C. metropolitan area.
-
A.
Dulles International Airport station
Dulles International Airport station is a Washington Metro rail station on the Silver Line that provides direct transit access to Washington Dulles International Airport.
-
B.
Ronald Reagan Washington National Airport station
Ronald Reagan Washington National Airport station is a Washington Metro rail station in Arlington, Virginia that directly serves the airport’s terminals.
-
C.
Reston Town Center station
Reston Town Center station is a Washington Metro rail station in Reston, Virginia, providing access to the Reston Town Center area along the Silver Line.
-
D.
Tysons Corner station
Tysons Corner station is a Washington Metro rapid transit stop in Tysons, Virginia, serving the major Tysons Corner commercial and shopping district.
-
E.
Dunn Loring–Merrifield station
Dunn Loring–Merrifield station is a Washington Metro rapid transit station in Fairfax County, Virginia, serving the Orange Line and the surrounding Dunn Loring and Merrifield communities.
- 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_69ab4a4b13fc81909dfdb3f23da46832 |
completed | March 6, 2026, 9:42 p.m. |
| NER | Named-entity recognition | batch_69abd9b4a70481909d8b8242039c1cf2 |
completed | March 7, 2026, 7:54 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afb6775b008190a59e480516c3ef41 |
completed | March 10, 2026, 6:13 a.m. |
| NEDg | Description generation | batch_69afb75ea498819089c79e63052e9696 |
completed | March 10, 2026, 6:17 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69afb83ba6dc8190931d691d3e354bd7 |
completed | March 10, 2026, 6:20 a.m. |
Created at: March 6, 2026, 9:54 p.m.