Triple
T21365136
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Needham Line |
E526889
|
entity |
| Predicate | endStation |
P3569
|
FINISHED |
| Object | Needham Heights |
—
|
NE NERFINISHED |
How this triple was built (3 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 Needham Line, endStation, Needham Heights]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Needham Heights Context triple: [MBTA Needham Line, endStation, Needham Heights]
-
A.
Wellesley Hills
Wellesley Hills is a village and commercial center within the town of Wellesley, Massachusetts, known for its suburban character and local institutions.
-
B.
Langdon Hills
Langdon Hills is a residential area and country park known for its woodlands and elevated views, located within the Basildon district of Essex, England.
-
C.
Needham
Needham is an English surname borne by various notable figures, including scientists, politicians, and writers.
-
D.
Needham
Needham is a suburban town in Norfolk County, Massachusetts, located southwest of downtown Boston and known for its residential character and strong public schools.
-
E.
Newtonville
Newtonville is a residential and commercial village within the city of Newton, Massachusetts, known for its commuter rail access and small-town center.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Needham Heights Target entity description: Needham Heights is a village and commuter rail station area in the town of Needham, Massachusetts, serving as a suburban residential and commercial hub west of Boston.
-
A.
Wellesley Hills
Wellesley Hills is a village and commercial center within the town of Wellesley, Massachusetts, known for its suburban character and local institutions.
-
B.
Langdon Hills
Langdon Hills is a residential area and country park known for its woodlands and elevated views, located within the Basildon district of Essex, England.
-
C.
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.
-
D.
Needham
Needham is an English surname borne by various notable figures, including scientists, politicians, and writers.
-
E.
Newtonville
Newtonville is a residential and commercial village within the city of Newton, Massachusetts, known for its commuter rail access and small-town center.
- F. None of above.
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.