Triple
T5807538
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Wakefield, Massachusetts |
E128781
|
entity |
| Predicate | hasRailStation |
P726
|
FINISHED |
| Object | Greenwood station |
E385456
|
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: Greenwood station | Statement: [Wakefield, Massachusetts, hasRailStation, Greenwood station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Greenwood station Context triple: [Wakefield, Massachusetts, hasRailStation, Greenwood station]
-
A.
Greenwood station
chosen
Greenwood station is a Massachusetts Bay Transportation Authority commuter rail stop serving the Greenwood neighborhood of Wakefield, Massachusetts.
-
B.
Greenwood station
Greenwood station is a subway station on Line 2 Bloor–Danforth of the Toronto Transit Commission in Toronto, Ontario, Canada.
-
C.
Shady Grove station
Shady Grove station is a Washington Metro station in Maryland that serves as the northwestern terminus of the system’s Red Line.
-
D.
Winfield station
Winfield station is a commuter rail stop in Winfield, Illinois, served by Metra’s Union Pacific West Line in the Chicago metropolitan area.
-
E.
Ridgeland station
Ridgeland station is an elevated Chicago Transit Authority 'L' stop on the Green Line located in the suburb of Oak Park, Illinois.
- 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_69c0084788848190bcf71f6bc5d71597 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c02b17417081908779741b9bfbb720 |
completed | March 22, 2026, 5:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c0e352c74481909e74fa0a2607b44d |
completed | March 23, 2026, 6:53 a.m. |
Created at: March 22, 2026, 3:52 p.m.