Triple
T21365128
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Needham Line |
E526889
|
entity |
| Predicate | locale |
P387
|
FINISHED |
| Object | Greater Boston |
—
|
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: Greater Boston | Statement: [MBTA Needham Line, locale, Greater Boston]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Greater Boston Context triple: [MBTA Needham Line, locale, Greater Boston]
-
A.
Greater Boston
chosen
Greater Boston is the metropolitan region centered on the city of Boston, Massachusetts, encompassing numerous surrounding cities and towns and serving as a major hub for education, technology, and culture in New England.
-
B.
Lowell metropolitan area
The Lowell metropolitan area is a region in northeastern Massachusetts centered on the city of Lowell, encompassing its surrounding suburbs and serving as a residential, commercial, and industrial hub within the Greater Boston area.
-
C.
Watertown metropolitan area
The Watertown metropolitan area is a small metropolitan region in northern New York State centered on the city of Watertown and surrounding communities near the eastern end of Lake Ontario.
-
D.
Berkshire metropolitan area
The Berkshire metropolitan area is a small metropolitan region in western Massachusetts centered around Pittsfield, known for its scenic landscapes, cultural institutions, and tourism.
-
E.
Cape Cod metropolitan area
The Cape Cod metropolitan area is a coastal region in southeastern Massachusetts known for its beaches, tourism-driven economy, and collection of small towns and villages.
- 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.