Lefferts Boulevard branch
E507287
The Lefferts Boulevard branch is an eastern Queens spur of New York City’s A subway line that terminates at Ozone Park–Lefferts Boulevard.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lefferts Boulevard branch canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5263950 — 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: Lefferts Boulevard branch Context triple: [New York City Subway A line, hasServiceVariant, Lefferts Boulevard branch]
-
A.
Union Square Branch
The Union Square Branch is a segment of Boston's MBTA Green Line light rail system that extends service to the Union Square area of Somerville.
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B.
Far Rockaway Branch
The Far Rockaway Branch is a commuter rail line of the Long Island Rail Road serving southeastern Queens and the Far Rockaway neighborhood in New York City.
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C.
Mid-Manhattan Library
The Mid-Manhattan Library is a major circulating branch of the New York Public Library system in Manhattan, known for its extensive general-interest collections and public services.
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D.
Rockaway Beach Branch
Rockaway Beach Branch was a former Long Island Rail Road line in Queens, New York City, that once provided passenger service between central Queens and the Rockaway Peninsula.
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E.
Brooklyn Public Library (Central Library)
Brooklyn Public Library’s Central Library is the flagship branch and main headquarters of the Brooklyn Public Library system, known for its landmark Art Deco building and extensive collections and services.
- 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: Lefferts Boulevard branch Target entity description: The Lefferts Boulevard branch is an eastern Queens spur of New York City’s A subway line that terminates at Ozone Park–Lefferts Boulevard.
-
A.
Union Square Branch
The Union Square Branch is a segment of Boston's MBTA Green Line light rail system that extends service to the Union Square area of Somerville.
-
B.
Far Rockaway Branch
The Far Rockaway Branch is a commuter rail line of the Long Island Rail Road serving southeastern Queens and the Far Rockaway neighborhood in New York City.
-
C.
Mid-Manhattan Library
The Mid-Manhattan Library is a major circulating branch of the New York Public Library system in Manhattan, known for its extensive general-interest collections and public services.
-
D.
Rockaway Beach Branch
Rockaway Beach Branch was a former Long Island Rail Road line in Queens, New York City, that once provided passenger service between central Queens and the Rockaway Peninsula.
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E.
Brooklyn Public Library (Central Library)
Brooklyn Public Library’s Central Library is the flagship branch and main headquarters of the Brooklyn Public Library system, known for its landmark Art Deco building and extensive collections and services.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway service branch
ⓘ
rapid transit line segment ⓘ |
| borough | Queens ⓘ |
| city | New York City ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| directionalDescription | eastern Queens spur of the A line ⓘ |
| division | IND Division ⓘ |
| electrification | 600 V DC third rail ⓘ |
| fareSystem | Metropolitan Transportation Authority fare system ⓘ |
| lineColor | blue ⓘ |
| neighborhoodServed |
Ozone Park
NERFINISHED
ⓘ
South Ozone Park NERFINISHED ⓘ |
| operator | New York City Transit Authority NERFINISHED ⓘ |
| owner | Metropolitan Transportation Authority ⓘ |
| partOf | A (Eighth Avenue Express) service NERFINISHED ⓘ |
| servedBy | A train ⓘ |
| servicePattern |
local in Queens
ⓘ
part of A train service to Manhattan and Brooklyn ⓘ |
| serviceType | 24-hour service branch ⓘ |
| state | New York ⓘ |
| system | New York City Subway ⓘ |
| terminus | Ozone Park–Lefferts Boulevard NERFINISHED ⓘ |
| terminusArea | Ozone Park, Queens NERFINISHED ⓘ |
| terminusStreet | Lefferts Boulevard NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| usesRollingStock | A service rolling stock ⓘ |
| westernConnection | Liberty Avenue Line NERFINISHED ⓘ |
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: Lefferts Boulevard branch Description of subject: The Lefferts Boulevard branch is an eastern Queens spur of New York City’s A subway line that terminates at Ozone Park–Lefferts Boulevard.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.