Triple
T17859195
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Washington Metro Silver Line |
E446020
|
entity |
| Predicate | airportStation |
P18636
|
FINISHED |
| Object | Dulles International Airport station |
—
|
NE NERFINISHED |
How this triple was built (2 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 International Airport station | Statement: [Washington Metro Silver Line, airportStation, Dulles International Airport station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dulles International Airport station Context triple: [Washington Metro Silver Line, airportStation, Dulles International Airport station]
-
A.
Dulles International Airport station
chosen
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.
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.
-
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.
Herndon station
Herndon station is a Washington Metro rail station in Herndon, Virginia, on the Silver Line serving the Dulles Technology Corridor and surrounding suburbs.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8b9f26f18819089c9e43250bee6ae |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e4978e68ec8190a4306f7b7bb058d7 |
completed | April 19, 2026, 8:51 a.m. |
Created at: April 10, 2026, 10:17 a.m.