Triple
T10899832
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Commuter Rail Needham Line |
E257407
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Needham Heights |
E34096
|
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: Needham Heights | Statement: [MBTA Commuter Rail Needham Line, terminus, Needham Heights]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Needham Heights Context triple: [MBTA Commuter Rail Needham Line, terminus, Needham Heights]
-
A.
Needham
chosen
Needham is a suburban town in Norfolk County, Massachusetts, located southwest of downtown Boston and known for its residential character and strong public schools.
-
B.
Newtonville
Newtonville is a residential and commercial village within the city of Newton, Massachusetts, known for its commuter rail access and small-town center.
-
C.
Roslindale
Roslindale is a residential neighborhood in the southern part of Boston, Massachusetts, known for its village-style center, diverse community, and proximity to major green spaces.
-
D.
Newton Hills
Newton Hills is a series of challenging inclines in Newton, Massachusetts, best known for forming the toughest stretch of the Boston Marathon course.
-
E.
Litchfield Hills
Litchfield Hills is a scenic region in northwestern Connecticut known for its rolling hills, historic towns, and rural New England charm.
- 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_69d6aa8550c8819095508a2ed9acf3db |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d761a2392c8190bc2c2359d63eff7a |
completed | April 9, 2026, 8:21 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e2d6ec38408190929b5e60a9a3e81e |
completed | April 18, 2026, 12:57 a.m. |
Created at: April 8, 2026, 9:21 p.m.