Union Square station
E265143
Union Square station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station serving the Union Square neighborhood of Somerville, Massachusetts.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Union Square station canonical | 7 |
| Union Square Station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2422765 — 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: Union Square station Context triple: [Union Square, Somerville, hasPublicTransit, Union Square station]
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A.
Grand Central–42nd Street station
Grand Central–42nd Street station is a major New York City transit hub in Midtown Manhattan that connects multiple subway lines with Grand Central Terminal’s commuter rail services.
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B.
Grand Central Terminal
Grand Central Terminal is a historic Beaux-Arts railway station and iconic transportation hub in Midtown Manhattan, renowned for its grand architecture and celestial main concourse ceiling.
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C.
34th Street–Herald Square station
34th Street–Herald Square station is a major New York City subway hub in Midtown Manhattan that serves multiple lines and provides access to nearby shopping, business, and cultural districts.
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D.
Capen Street station
Capen Street station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
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E.
Fulton Street station
Fulton Street station is a major New York City Subway complex in Lower Manhattan that serves multiple lines and connects to the Fulton Center transit hub.
- 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: Union Square station Target entity description: Union Square station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station serving the Union Square neighborhood of Somerville, Massachusetts.
-
A.
Grand Central–42nd Street station
Grand Central–42nd Street station is a major New York City transit hub in Midtown Manhattan that connects multiple subway lines with Grand Central Terminal’s commuter rail services.
-
B.
Grand Central Terminal
Grand Central Terminal is a historic Beaux-Arts railway station and iconic transportation hub in Midtown Manhattan, renowned for its grand architecture and celestial main concourse ceiling.
-
C.
34th Street–Herald Square station
34th Street–Herald Square station is a major New York City subway hub in Midtown Manhattan that serves multiple lines and provides access to nearby shopping, business, and cultural districts.
-
D.
Capen Street station
Capen Street station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
-
E.
Fulton Street station
Fulton Street station is a major New York City Subway complex in Lower Manhattan that serves multiple lines and connects to the Fulton Center transit hub.
- F. None of above. chosen
Statements (47)
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: Union Square station Description of subject: Union Square station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station serving the Union Square neighborhood of Somerville, Massachusetts.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.