Green Line A branch
E828072
Green Line A branch was a former branch of Boston’s MBTA Green Line light rail system that once ran to Watertown before being discontinued.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Green Line A branch canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9903755 — 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: Green Line A branch Context triple: [Watertown branch of the Green Line A, alsoKnownAs, Green Line A branch]
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A.
Green Line B branch
The Green Line B branch is a light rail service of Boston's MBTA Green Line that runs along Commonwealth Avenue, primarily serving Boston University and the Allston–Brighton neighborhoods.
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B.
Green Line C Branch
The Green Line C Branch is a light rail service of Boston's MBTA Green Line that runs primarily along Beacon Street between downtown Boston and the suburb of Brookline.
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C.
Green Line E branch
The Green Line E branch is a light rail service of Boston's MBTA Green Line that runs from downtown through the Back Bay and Longwood Medical Area to Heath Street in Jamaica Plain.
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D.
Green Line branches
Green Line branches are the multiple service routes of Boston's MBTA Green Line light rail system that diverge to serve different neighborhoods and suburbs.
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E.
Green Line southern leg
The Green Line southern leg is the portion of Washington, D.C.’s Metrorail Green Line that runs south from downtown through neighborhoods such as Anacostia toward the system’s southern terminus.
- 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: Green Line A branch Target entity description: Green Line A branch was a former branch of Boston’s MBTA Green Line light rail system that once ran to Watertown before being discontinued.
-
A.
Green Line B branch
The Green Line B branch is a light rail service of Boston's MBTA Green Line that runs along Commonwealth Avenue, primarily serving Boston University and the Allston–Brighton neighborhoods.
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B.
Green Line C Branch
The Green Line C Branch is a light rail service of Boston's MBTA Green Line that runs primarily along Beacon Street between downtown Boston and the suburb of Brookline.
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C.
Green Line E branch
The Green Line E branch is a light rail service of Boston's MBTA Green Line that runs from downtown through the Back Bay and Longwood Medical Area to Heath Street in Jamaica Plain.
-
D.
Green Line branches
Green Line branches are the multiple service routes of Boston's MBTA Green Line light rail system that diverge to serve different neighborhoods and suburbs.
-
E.
Green Line southern leg
The Green Line southern leg is the portion of Washington, D.C.’s Metrorail Green Line that runs south from downtown through neighborhoods such as Anacostia toward the system’s southern terminus.
- F. None of above. chosen
Statements (45)
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: Green Line A branch Description of subject: Green Line A branch was a former branch of Boston’s MBTA Green Line light rail system that once ran to Watertown before being discontinued.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.