Triple
T14433721
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Commuter Rail at Braintree |
E357900
|
entity |
| Predicate | locatedIn |
P40
|
FINISHED |
| Object | Braintree, Massachusetts |
—
|
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: Braintree, Massachusetts | Statement: [MBTA Commuter Rail at Braintree, locatedIn, Braintree, Massachusetts]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Braintree, Massachusetts Context triple: [MBTA Commuter Rail at Braintree, locatedIn, Braintree, Massachusetts]
-
A.
Braintree, Massachusetts
chosen
Braintree, Massachusetts is a suburban city south of Boston known as the birthplace of Presidents John Adams and John Quincy Adams.
-
B.
Westfield, Massachusetts
Westfield, Massachusetts is a small city in western Massachusetts known for its historic downtown, proximity to the Berkshires, and home to Westfield State University.
-
C.
Bedford, Massachusetts
Bedford, Massachusetts is a historic suburban town northwest of Boston known for its Revolutionary War heritage and residential character.
-
D.
Avon, Massachusetts
Avon, Massachusetts is a small suburban town in eastern Massachusetts known for its residential character and location within the Greater Boston area.
-
E.
Brighton, Massachusetts
Brighton, Massachusetts is a residential neighborhood of Boston known for its diverse community, student population, and mix of urban and suburban character.
- 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_69d8279402a88190821ffa39ae15bccf |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de91471a648190adb7b283a6a85c3e |
completed | April 14, 2026, 7:11 p.m. |
Created at: April 10, 2026, 1:18 a.m.