Triple
T1091398
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Washington Metro Yellow Line |
E24170
|
entity |
| Predicate | servesStation |
P839
|
FINISHED |
| Object | Navy Yard–Ballpark station |
E101409
|
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: Navy Yard–Ballpark station | Statement: [Washington Metro Yellow Line, servesStation, Navy Yard–Ballpark station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Navy Yard–Ballpark station Context triple: [Washington Metro Yellow Line, servesStation, Navy Yard–Ballpark station]
-
A.
Navy Yard–Ballpark station
chosen
Navy Yard–Ballpark station is a Washington Metro stop in Southeast D.C. serving the Navy Yard area and Nationals Park baseball stadium.
-
B.
Prince George's Plaza station
Prince George's Plaza station is a Washington Metro rapid transit stop in Hyattsville, Maryland, serving the Green Line and the surrounding commercial and residential areas.
-
C.
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.
-
D.
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.
-
E.
Stadium–Armory station
Stadium–Armory station is a Washington Metro transit station in Washington, D.C., serving multiple lines near the RFK Stadium and D.C. Armory area.
- 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_69acce55b5748190b54b8205a735ae89 |
completed | March 8, 2026, 1:18 a.m. |
Created at: March 1, 2026, 7:42 p.m.