Triple
T21365153
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Needham Line |
E526889
|
entity |
| Predicate | regionServed |
P82
|
FINISHED |
| Object | Suffolk County, 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: Suffolk County, Massachusetts | Statement: [MBTA Needham Line, regionServed, Suffolk County, Massachusetts]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Suffolk County, Massachusetts Context triple: [MBTA Needham Line, regionServed, Suffolk County, Massachusetts]
-
A.
Suffolk County, Massachusetts
chosen
Suffolk County, Massachusetts is an urban county in eastern Massachusetts that includes the city of Boston and several nearby municipalities.
-
B.
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.
-
C.
Norfolk County, Massachusetts
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.
-
D.
Cumberland County, Massachusetts
Cumberland County, Massachusetts was a former county in the Province of Massachusetts Bay that encompassed territory later incorporated into the state of Maine.
-
E.
Franklin County, Massachusetts
Franklin County, Massachusetts is a largely rural county in the northwestern part of the state, known for its small towns, forests, and location along the upper Connecticut River.
- 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.