Washington Street station
E650321
Washington Street station is a surface light rail stop in Boston, Massachusetts, serving the MBTA Green Line B branch along Commonwealth Avenue.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Washington Street station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7126154 — 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: Washington Street station Context triple: [MBTA Green Line B branch, hasStop, Washington Street station]
-
A.
Washington Street station
Washington Street station is a stop on the Newark Light Rail system serving passengers in downtown Newark, New Jersey.
-
B.
Park Street station
Park Street station is a major downtown Boston transit hub on the MBTA system, serving multiple Green Line branches and providing connections to the Red Line.
-
C.
North Avenue station
North Avenue station is a transit stop on Baltimore's Light Rail system serving the North Avenue corridor in Baltimore, Maryland.
-
D.
North Avenue station
North Avenue station is a major elevated rail station in Quezon City, Philippines, serving as a key commuter hub on Manila’s MRT Line 3.
-
E.
Heath Street station
Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
- 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: Washington Street station Target entity description: Washington Street station is a surface light rail stop in Boston, Massachusetts, serving the MBTA Green Line B branch along Commonwealth Avenue.
-
A.
Washington Street station
Washington Street station is a stop on the Newark Light Rail system serving passengers in downtown Newark, New Jersey.
-
B.
Park Street station
Park Street station is a major downtown Boston transit hub on the MBTA system, serving multiple Green Line branches and providing connections to the Red Line.
-
C.
North Avenue station
North Avenue station is a transit stop on Baltimore's Light Rail system serving the North Avenue corridor in Baltimore, Maryland.
-
D.
North Avenue station
North Avenue station is a major elevated rail station in Quezon City, Philippines, serving as a key commuter hub on Manila’s MRT Line 3.
-
E.
Heath Street station
Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
MBTA Green Line station
ⓘ
light rail station ⓘ surface transit stop ⓘ |
| category |
MBTA Green Line B branch stations
ⓘ
linked to:
MBTA Green Line stations
Railway stations in Boston, Massachusetts ⓘ |
| city |
Boston
ⓘ
linked to:
Boston, Massachusetts
|
| country |
United States
ⓘ
linked to:
United States of America
|
| fareSystem | MBTA ⓘ |
| hasPlatforms | 2 ⓘ |
| hasTracks | 2 ⓘ |
| lineDesignation |
B branch
ⓘ
linked to:
B Branch
|
| locatedIn |
Boston
ⓘ
linked to:
Boston, Massachusetts
Massachusetts ⓘ United States ⓘ
linked to:
United States of America
|
| locatedOn | Commonwealth Avenue ⓘ |
| operator |
Massachusetts Bay Transportation Authority
ⓘ
linked to:
MBTA
|
| ownedBy |
Massachusetts Bay Transportation Authority
ⓘ
linked to:
MBTA
|
| partOfSystem | MBTA Green Line ⓘ |
| platformType | side platforms ⓘ |
| publicTransitSystem | MBTA ⓘ |
| servedByMode |
light rail
ⓘ
streetcar ⓘ |
| servesLine | Green Line B branch ⓘ |
| state | Massachusetts ⓘ |
| structureType | surface ⓘ |
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: Washington Street station Description of subject: Washington Street station is a surface light rail stop in Boston, Massachusetts, serving the MBTA Green Line B branch along Commonwealth Avenue.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.