Triple
T1091380
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Washington Metro Yellow Line |
E24170
|
entity |
| Predicate | hasTerminus |
P388
|
FINISHED |
| Object | Greenbelt station |
E71532
|
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: Greenbelt station | Statement: [Washington Metro Yellow Line, hasTerminus, Greenbelt station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Greenbelt station Context triple: [Washington Metro Yellow Line, hasTerminus, Greenbelt station]
-
A.
Greenbelt station
chosen
Greenbelt station is a Washington Metro station in Maryland that serves as a major park-and-ride hub and northern gateway to the system.
-
B.
Cheverly station
Cheverly station is a Washington Metro rapid transit stop in Cheverly, Maryland, serving the Orange Line in the system's eastern suburbs.
-
C.
Rosedale station
Rosedale station is a subway station on Line 1 of the Toronto Transit Commission (TTC) serving the Rosedale neighbourhood in Toronto, Canada.
-
D.
Deanwood station
Deanwood station is an elevated Washington Metro station in Northeast Washington, D.C., serving the Deanwood neighborhood on the system’s Orange Line.
-
E.
Lansdowne station
Lansdowne station is a commuter rail stop on the MBTA Framingham/Worcester Line in Boston, Massachusetts, serving the Fenway–Kenmore area and providing convenient access to Fenway Park.
- 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_69ac538cd45c8190bcab18ce4e281e72 |
completed | March 7, 2026, 4:34 p.m. |
Created at: March 1, 2026, 7:42 p.m.