Triple
T17859207
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Washington Metro Silver Line |
E446020
|
entity |
| Predicate | planningName |
P53188
|
FINISHED |
| Object | Dulles Corridor Metrorail Project |
—
|
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 Corridor Metrorail Project | Statement: [Washington Metro Silver Line, planningName, Dulles Corridor Metrorail Project]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dulles Corridor Metrorail Project Context triple: [Washington Metro Silver Line, planningName, Dulles Corridor Metrorail Project]
-
A.
LYNX Blue Line Northeast Corridor extension
The LYNX Blue Line Northeast Corridor extension is a light rail expansion project in Charlotte, North Carolina, extending the existing Blue Line service to connect Uptown with the University City area and other northeastern neighborhoods.
-
B.
METRO Green Line (Central Corridor) project
The METRO Green Line (Central Corridor) project is a light rail transit line in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis and downtown St. Paul along University Avenue and surrounding corridors.
-
C.
Washington Metro Silver Line
chosen
The Washington Metro Silver Line is a rapid transit line in the Washington, D.C. metropolitan area that extends service to Northern Virginia suburbs including Tysons and Reston.
-
D.
Washington Metro
Washington Metro is the rapid transit system serving the Washington, D.C. metropolitan area, known for its extensive rail network connecting the city with its suburbs in Maryland and Virginia.
-
E.
Northeast Corridor extension to Virginia
The Northeast Corridor extension to Virginia is the southern continuation of Amtrak’s primary high-speed rail route, carrying intercity and commuter trains from Washington, D.C. through northern and central Virginia.
- 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.