Valley Road station
E126815
Valley Road station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Valley Road station canonical | 8 |
| Cedar Grove station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T639117 — 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: Valley Road station Context triple: [Mattapan Trolley, station, Valley Road station]
-
A.
Naylor Road station
Naylor Road station is a Washington Metro rapid transit stop in Prince George's County, Maryland, serving the Green Line in the southeastern suburbs of Washington, D.C.
-
B.
Crescent Street station
Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
-
C.
Pattison Avenue station
Pattison Avenue station is a subway station in Philadelphia that serves as the southern terminus of SEPTA’s Broad Street Line, providing access to the South Philadelphia Sports Complex.
-
D.
Eisenhower Avenue station
Eisenhower Avenue station is a Washington Metro rapid transit stop serving the Yellow Line in Alexandria, Virginia, near the Eisenhower Avenue corridor and adjacent commercial and residential areas.
-
E.
Belmont Center station
Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
- 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: Valley Road station Target entity description: Valley Road station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
-
A.
Naylor Road station
Naylor Road station is a Washington Metro rapid transit stop in Prince George's County, Maryland, serving the Green Line in the southeastern suburbs of Washington, D.C.
-
B.
Crescent Street station
Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
-
C.
Pattison Avenue station
Pattison Avenue station is a subway station in Philadelphia that serves as the southern terminus of SEPTA’s Broad Street Line, providing access to the South Philadelphia Sports Complex.
-
D.
Eisenhower Avenue station
Eisenhower Avenue station is a Washington Metro rapid transit stop serving the Yellow Line in Alexandria, Virginia, near the Eisenhower Avenue corridor and adjacent commercial and residential areas.
-
E.
Belmont Center station
Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
MBTA station
ⓘ
light rail station ⓘ railway station in the United States ⓘ |
| category |
Buildings and structures in Milton, Massachusetts
ⓘ
MBTA Mattapan High-Speed Line stations ⓘ Railway stations in Norfolk County, Massachusetts ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| county | Norfolk County, Massachusetts ⓘ |
| fareSystem | MBTA fare system ⓘ |
| hasServiceType |
light rail
ⓘ
trolley ⓘ |
| lineDesignation | Mattapan Trolley ⓘ |
| locatedIn |
Massachusetts
ⓘ
Milton, Massachusetts ⓘ Norfolk County, Massachusetts ⓘ United States ⓘ
linked to:
United States of America
|
| numberOfTracks | 2 ⓘ |
| operator |
Massachusetts Bay Transportation Authority
ⓘ
linked to:
MBTA
|
| owner |
Massachusetts Bay Transportation Authority
ⓘ
linked to:
MBTA
|
| partOfNetwork |
MBTA Red Line light rail branch
ⓘ
linked to:
MBTA Red Line
|
| platformConfiguration | two side platforms ⓘ |
| publicTransitSystem | MBTA ⓘ |
| railwayLine |
Ashmont–Mattapan High-Speed Line
ⓘ
linked to:
Mattapan High-Speed Line
|
| serves |
Mattapan trolley line
ⓘ
linked to:
Mattapan Line
|
| servesMunicipality | Milton, Massachusetts ⓘ |
| state | 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: Valley Road station Description of subject: Valley Road station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.