Triple
T21365166
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Needham Line |
E526889
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Needham Junction |
—
|
NE NERFINISHED |
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: Needham Junction | Statement: [MBTA Needham Line, hasStation, Needham Junction]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Needham Junction Context triple: [MBTA Needham Line, hasStation, Needham Junction]
-
A.
Needham Junction
chosen
Needham Junction is a neighborhood and commuter rail station area in Needham, Massachusetts, known for its role as a local transit hub.
-
B.
Norwood Junction
Norwood Junction is a railway station in South London that serves as a key commuter hub with frequent suburban and regional services.
-
C.
Winthrop Junction
Winthrop Junction was a former railroad junction and station in Winthrop, Massachusetts, that connected local rail service to the Boston, Revere Beach and Lynn Railroad network.
-
D.
Norton Junction
Norton Junction is a key canal junction on England’s Grand Union Canal where major routes diverge near the village of Norton in Northamptonshire.
-
E.
Staples Corner
Staples Corner is a major road junction in north-west London where the North Circular Road, A5 Edgware Road, and the M1 motorway converge.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0b51d8a308190b09113b3b3f9bc15 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e8b06e1ba081908a96928a65da5fa2 |
completed | April 22, 2026, 11:26 a.m. |
Created at: April 16, 2026, 5:09 p.m.