Triple
T7141425
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Red Line Northwest Extension corridor |
E166449
|
entity |
| Predicate | regionServed |
P82
|
FINISHED |
| Object | Greater Boston area |
E54
|
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: Greater Boston area | Statement: [Red Line Northwest Extension corridor, regionServed, Greater Boston area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Greater Boston area Context triple: [Red Line Northwest Extension corridor, regionServed, Greater Boston area]
-
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.
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.
-
C.
Boston University area
The Boston University area is a bustling urban neighborhood in Boston centered around Boston University’s campus, known for its student life, academic buildings, and proximity to major city amenities.
-
D.
Massachusetts Bay region
The Massachusetts Bay region is a historic coastal area in New England that became a central hub of early English colonization and Puritan settlement in North America.
-
E.
North Shore region of Massachusetts
The North Shore region of Massachusetts is a coastal area north of Boston known for its historic seaport towns, beaches, and suburban communities.
- 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_69c6888579d481909e05a8d6b81bf733 |
completed | March 27, 2026, 1:39 p.m. |
| NER | Named-entity recognition | batch_69c6e778875c8190a5202d3efe5a842d |
completed | March 27, 2026, 8:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7b8e72bf081909bb63a4b6f2613df |
completed | March 28, 2026, 11:17 a.m. |
Created at: March 27, 2026, 2:45 p.m.