Triple
T704627
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Yellow Line (Washington Metro) |
E14071
|
entity |
| Predicate | servesStation |
P839
|
FINISHED |
| Object | Columbia Heights station |
E48337
|
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: Columbia Heights station | Statement: [Yellow Line (Washington Metro), servesStation, Columbia Heights station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Columbia Heights station Context triple: [Yellow Line (Washington Metro), servesStation, Columbia Heights station]
-
A.
Columbia Heights station
chosen
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.
-
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.
Friendship Heights station
Friendship Heights station is a Washington Metro rapid transit station serving the Friendship Heights neighborhood on the Red Line near the D.C.–Maryland border.
-
D.
Tenleytown–AU station
Tenleytown–AU station is a Washington Metro Red Line subway station serving the Tenleytown neighborhood and American University area in Northwest Washington, D.C.
-
E.
Woodley Park–Zoo/Adams Morgan station
Woodley Park–Zoo/Adams Morgan station is a Washington, D.C. Metro station on the Red Line that serves the Woodley Park and Adams Morgan neighborhoods near the National Zoo.
- 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_69a493494ec48190ae6751683625a9ba |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a544e3608190ac315c7aa9f88e7e |
completed | March 1, 2026, 8:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad089201a08190a84c7d8f32238297 |
completed | March 8, 2026, 5:26 a.m. |
Created at: March 1, 2026, 7:36 p.m.