Triple
T5897403
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Capen Street station |
E131132
|
entity |
| Predicate | partOfLine |
P6309
|
FINISHED |
| Object | Mattapan trolley line |
E140142
|
NE FINISHED |
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: Mattapan trolley line Context triple: [Capen Street station, partOfLine, Mattapan trolley line]
-
A.
Mattapan Trolley
The Mattapan Trolley is a historic light rail line in Boston that operates vintage PCC streetcars between Ashmont and Mattapan stations.
-
B.
Mattapan Line
chosen
The Mattapan Line is a light rail trolley service in Boston, Massachusetts, operating as part of the MBTA's Red Line system between Ashmont and Mattapan.
-
C.
Lowell Line
The Lowell Line is a Massachusetts Bay Transportation Authority commuter rail route that runs between Boston’s North Station and the city of Lowell, serving communities in the Merrimack Valley.
-
D.
MBTA Fairmount Line
The MBTA Fairmount Line is a commuter rail service in Boston, Massachusetts, connecting several neighborhoods in the city’s southern corridor to downtown.
-
E.
MBTA Green Line B branch
The MBTA Green Line B branch is a light rail service in Boston that runs along Commonwealth Avenue, primarily serving Boston University and the Allston–Brighton neighborhoods.
- 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_69c00857439c819095950754176aa58a |
elicitation | completed |
| NER | batch_69c036f65c1c819084cb90662af6e114 |
ner | completed |
| NED1 | batch_69c0b159cb908190b78b78d1e854212b |
ned_source_triple | completed |
Created at: March 22, 2026, 3:58 p.m.