Belmont Center station
E461
Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Belmont Center station canonical | 4 |
| Belmont commuter rail station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1964 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Belmont Center station Context triple: [Belmont, Massachusetts, hasCommuterRailStation, Belmont Center station]
-
A.
Union Station
Union Station is a historic Beaux-Arts transportation hub and major intercity rail terminal in Washington, D.C., serving as a gateway to the U.S. capital.
-
B.
Waverley station
Waverley station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Belmont, Massachusetts, serving the Fitchburg Line.
-
C.
Washington Metro
Washington Metro is the rapid transit system serving the Washington, D.C. metropolitan area, known for its extensive rail network connecting the city with its suburbs in Maryland and Virginia.
-
D.
Carnegie
Carnegie is a Scottish surname most famously associated with industrialist and philanthropist Andrew Carnegie.
-
E.
MBTA Fitchburg Line
The MBTA Fitchburg Line is a commuter rail route in the Greater Boston area that runs between Boston and Fitchburg, serving numerous suburban communities along the way.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Belmont Center station Target entity description: Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
-
A.
Union Station
Union Station is a historic Beaux-Arts transportation hub and major intercity rail terminal in Washington, D.C., serving as a gateway to the U.S. capital.
-
B.
Waverley station
Waverley station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Belmont, Massachusetts, serving the Fitchburg Line.
-
C.
Washington Metro
Washington Metro is the rapid transit system serving the Washington, D.C. metropolitan area, known for its extensive rail network connecting the city with its suburbs in Maryland and Virginia.
-
D.
Carnegie
Carnegie is a Scottish surname most famously associated with industrialist and philanthropist Andrew Carnegie.
-
E.
MBTA Fitchburg Line
The MBTA Fitchburg Line is a commuter rail route in the Greater Boston area that runs between Boston and Fitchburg, serving numerous suburban communities along the way.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
MBTA Commuter Rail station
ⓘ
railway station ⓘ |
| accessible | no ⓘ |
| category |
Belmont, Massachusetts
ⓘ
Former Boston and Maine Railroad stations ⓘ MBTA Commuter Rail stations in Middlesex County, Massachusetts ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| fareSystem | MBTA zone-based commuter rail fares ⓘ |
| fareZone | Zone 1 ⓘ |
| formerService |
Boston and Maine Railroad
ⓘ
MBTA Fitchburg Line ⓘ
surface form:
Fitchburg Railroad
|
| hasBicycleFacilities | yes ⓘ |
| hasParking | yes ⓘ |
| hasStationBuilding | yes ⓘ |
| locatedIn |
Belmont, Massachusetts
ⓘ
Massachusetts ⓘ Middlesex County, Massachusetts ⓘ New England ⓘ |
| locatedInNeighborhood |
Belmont Center Historic District
ⓘ
surface form:
Belmont Center commercial district
|
| numberOfTracks | 2 ⓘ |
| openedAsRailStop | 19th century ⓘ |
| operator |
MBTA
ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| ownedBy |
MBTA
ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| partOfSystem |
MBTA
ⓘ
surface form:
MBTA Commuter Rail
|
| platformConfiguration | single side platform ⓘ |
| railwayLine |
MBTA Fitchburg Line
ⓘ
surface form:
Fitchburg Line
|
| servedByLine |
MBTA Fitchburg Line
ⓘ
surface form:
Fitchburg Line
|
| serves | Belmont, Massachusetts ⓘ |
| structureType | at-grade station ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Belmont Center station Description of subject: Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Belmont, Massachusetts
this entity surface form:
Belmont commuter rail station
subject surface form:
Belmont, Massachusetts