Triple
T1091394
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Washington Metro Yellow Line |
E24170
|
entity |
| Predicate | servesStation |
P839
|
FINISHED |
| Object | U Street station |
E167512
|
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: U Street station | Statement: [Washington Metro Yellow Line, servesStation, U Street station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: U Street station Context triple: [Washington Metro Yellow Line, servesStation, U Street station]
-
A.
U Street station
chosen
U Street station is a Washington Metro subway station in Washington, D.C., located in the U Street Corridor and serving the Green and Yellow Lines.
-
B.
Potomac Avenue station
Potomac Avenue station is a Washington Metro rapid transit station in Washington, D.C., served by the Blue, Orange, and Silver Lines.
-
C.
Columbia Heights station
Columbia Heights station is a Washington, D.C. Metro stop on the Green and Yellow lines serving the Columbia Heights neighborhood and nearby Adams Morgan area.
-
D.
Capitol Heights station
Capitol Heights station is an elevated Washington Metro station in Prince George's County, Maryland, serving the Blue and Silver Lines near the D.C.–Maryland border.
-
E.
Dupont Circle station
Dupont Circle station is a Washington, D.C. Metro station on the Red Line serving the Dupont Circle neighborhood and nearby areas such as Kalorama.
- 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_69a49404428c819092dcc9632f5f7b8b |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4b982018481908b222df095e318c0 |
completed | March 1, 2026, 10:11 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae589f5c588190a207ffa2691490b7 |
completed | March 9, 2026, 5:20 a.m. |
Created at: March 1, 2026, 7:42 p.m.