Triple
T7382323
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Commuter Rail Zone 1A |
E170289
|
entity |
| Predicate | locatedIn |
P40
|
FINISHED |
| Object | Boston metropolitan area |
E54
|
NE FINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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: Boston metropolitan area | Statement: [MBTA Commuter Rail Zone 1A, locatedIn, Boston metropolitan area]
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston metropolitan area Context triple: [MBTA Commuter Rail Zone 1A, locatedIn, Boston metropolitan 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.
Portland metropolitan area
The Portland metropolitan area is a major urban region in the Pacific Northwest of the United States centered on the city of Portland and spanning multiple counties in Oregon and Washington.
-
C.
Portland metropolitan area
The Portland metropolitan area is the region centered around Portland, Maine, encompassing surrounding cities and towns in southern Maine as a unified economic and population hub.
-
D.
Philadelphia metropolitan area
The Philadelphia metropolitan area is a major U.S. urban region centered on the city of Philadelphia, encompassing its surrounding suburbs and economic, cultural, and educational hubs.
-
E.
Boston, Massachusetts
Boston, Massachusetts is a historic New England city and the capital of Massachusetts, known for its pivotal role in the American Revolution, prestigious universities, and cultural and economic influence.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69c68a5d0ed08190b6d361e68f813330 |
elicitation | completed |
| NER | batch_69c6f1c9a3c48190972126c19aa31dca |
ner | completed |
| NED1 | batch_69c81ecb9b0481908af841456bce5430 |
ned_source_triple | completed |
Created at: March 27, 2026, 3:08 p.m.