Triple
T21365167
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Needham Line |
E526889
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Needham Center |
—
|
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 Center | Statement: [MBTA Needham Line, hasStation, Needham Center]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Needham Center Context triple: [MBTA Needham Line, hasStation, Needham Center]
-
A.
Needham Center
chosen
Needham Center is a commuter rail station in Needham, Massachusetts, serving as one of the stops on the MBTA's Needham Line.
-
B.
Harvard Annex
Harvard Annex was a 19th-century institution affiliated with Harvard University that provided higher education to women before their formal admission to the university.
-
C.
Natick Common
Natick Common is the central town green and public gathering space in downtown Natick, Massachusetts, known for community events, concerts, and seasonal celebrations.
-
D.
Underhill Center
Underhill Center is a small unincorporated village and community within the town of Underhill in Chittenden County, Vermont.
-
E.
Cohasset Common
Cohasset Common is a historic central town green and gathering place in Cohasset, Massachusetts, known for its traditional New England charm and community events.
- 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.