Triple
T1540020
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | McLean |
E32843
|
entity |
| Predicate | servedByTransit |
P82
|
FINISHED |
| Object | Washington Metro Silver Line (nearby Tysons stations) |
E164614
|
NE FINISHED |
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: Washington Metro Silver Line (nearby Tysons stations) | Statement: [McLean, servedByTransit, Washington Metro Silver Line (nearby Tysons stations)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Washington Metro Silver Line (nearby Tysons stations) Context triple: [McLean, servedByTransit, Washington Metro Silver Line (nearby Tysons stations)]
-
A.
Washington Metro Silver Line (nearby stations)
chosen
The Washington Metro Silver Line is a rapid transit line in the Washington, D.C. metropolitan area that extends service into Northern Virginia suburbs, including stations near Ashburn.
-
B.
Washington Metro Green Line
The Washington Metro Green Line is a rapid transit line in the Washington, D.C. metropolitan area that runs north–south through the city and into surrounding suburbs, including Prince George’s County, Maryland.
-
C.
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.
-
D.
Washington Metro Yellow Line
The Washington Metro Yellow Line is a rapid transit line in the Washington, D.C. metropolitan area that runs north–south through the city and into Virginia, serving key hubs including downtown Washington and Alexandria.
-
E.
Washington Metro Red Line
The Washington Metro Red Line is a major rapid transit route in the Washington, D.C. metropolitan area, running through key downtown and suburban corridors as part of the region’s primary subway system.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a885ed29088190a3c2d5a3d100c16e |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69a9083c942481909168394b6674d82b |
completed | March 5, 2026, 4:36 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad30997d408190916f16d31bcc35b4 |
completed | March 8, 2026, 8:17 a.m. |
Created at: March 4, 2026, 7:26 p.m.