Triple
T10899842
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Commuter Rail Needham Line |
E257407
|
entity |
| Predicate | locale |
P387
|
FINISHED |
| Object | Norfolk County, Massachusetts |
E11554
|
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: Norfolk County, Massachusetts | Statement: [MBTA Commuter Rail Needham Line, locale, Norfolk County, Massachusetts]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Norfolk County, Massachusetts Context triple: [MBTA Commuter Rail Needham Line, locale, Norfolk County, Massachusetts]
-
A.
Norfolk County, Massachusetts
chosen
Norfolk County, Massachusetts is a county in the Greater Boston area known for its historic towns, affluent suburbs, and role as part of the Boston metropolitan region.
-
B.
Suffolk County, Massachusetts
Suffolk County, Massachusetts is an urban county in eastern Massachusetts that includes the city of Boston and several nearby municipalities.
-
C.
Essex County, Massachusetts
Essex County, Massachusetts is a historic coastal county in northeastern Massachusetts that includes cities like Salem and Lawrence and is known for its maritime heritage and early colonial settlements.
-
D.
Bristol County, Massachusetts
Bristol County, Massachusetts is a southeastern Massachusetts county that includes cities such as New Bedford, Fall River, and Taunton and is known for its historic maritime and industrial heritage.
-
E.
Hampden County, Massachusetts
Hampden County, Massachusetts is a county in western Massachusetts that includes the city of Springfield and forms part of the state's Pioneer Valley region along the Connecticut River.
- 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_69e4cbce653481909b201a2d5871e129 |
completed | April 19, 2026, 12:34 p.m. |
Created at: April 8, 2026, 9:21 p.m.