Fourth Avenue subway corridor
E783538
The Fourth Avenue subway corridor is a major transit route in Brooklyn, New York City, carrying multiple subway lines beneath Fourth Avenue and serving as a key north–south connection through several neighborhoods.
All labels observed (3)
How this entity was disambiguated
This entity first appeared as the object of triple T9185868 — 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: Fourth Avenue subway corridor Context triple: [Brooklyn Community District 10, hasTransportationInfrastructure, Fourth Avenue subway corridor]
-
A.
Archer Avenue Subway
The Archer Avenue Subway is a New York City Subway extension in Queens that opened in the late 1980s to replace portions of the demolished elevated Jamaica Line and improve transit access to the Jamaica Center area.
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B.
Eighth Avenue Line in Manhattan
The Eighth Avenue Line in Manhattan is a major New York City Subway trunk line running under Eighth Avenue, carrying several IND services through Midtown and Upper Manhattan.
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C.
Second Avenue Subway
The Second Avenue Subway is a New York City Subway line on Manhattan’s East Side, built to relieve congestion on the Lexington Avenue Line and long envisioned as a major north–south transit corridor.
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D.
Market Street subway
The Market Street subway is a major underground transit corridor in San Francisco that carries both BART and Muni Metro trains beneath Market Street through the city’s downtown.
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E.
Dearborn Street subway
The Dearborn Street subway is an underground rapid transit tunnel in downtown Chicago that carries Chicago Transit Authority trains beneath Dearborn Street.
- 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: Fourth Avenue subway corridor Target entity description: The Fourth Avenue subway corridor is a major transit route in Brooklyn, New York City, carrying multiple subway lines beneath Fourth Avenue and serving as a key north–south connection through several neighborhoods.
-
A.
Archer Avenue Subway
The Archer Avenue Subway is a New York City Subway extension in Queens that opened in the late 1980s to replace portions of the demolished elevated Jamaica Line and improve transit access to the Jamaica Center area.
-
B.
Eighth Avenue Line in Manhattan
The Eighth Avenue Line in Manhattan is a major New York City Subway trunk line running under Eighth Avenue, carrying several IND services through Midtown and Upper Manhattan.
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C.
Second Avenue Subway
The Second Avenue Subway is a New York City Subway line on Manhattan’s East Side, built to relieve congestion on the Lexington Avenue Line and long envisioned as a major north–south transit corridor.
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D.
Market Street subway
The Market Street subway is a major underground transit corridor in San Francisco that carries both BART and Muni Metro trains beneath Market Street through the city’s downtown.
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E.
Dearborn Street subway
The Dearborn Street subway is an underground rapid transit tunnel in downtown Chicago that carries Chicago Transit Authority trains beneath Dearborn Street.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
rapid transit route
ⓘ
subway corridor ⓘ |
| connectsNeighborhood |
Bay Ridge
NERFINISHED
ⓘ
Boerum Hill NERFINISHED ⓘ Downtown Brooklyn NERFINISHED ⓘ Park Slope NERFINISHED ⓘ Sunset Park NERFINISHED ⓘ |
| connectsTo |
Coney Island terminal area
NERFINISHED
ⓘ
Manhattan via tunnels and bridges ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| direction | north–south ⓘ |
| division |
B Division
NERFINISHED
ⓘ
BMT Division NERFINISHED ⓘ |
| followsUnder | Fourth Avenue NERFINISHED ⓘ |
| function |
key north–south connection
ⓘ
major transit route ⓘ |
| hasTrackConfiguration | four-track main line in core segments ⓘ |
| infrastructureType | underground subway infrastructure ⓘ |
| locatedIn |
Brooklyn
NERFINISHED
ⓘ
New York City ⓘ |
| operator |
Metropolitan Transportation Authority
ⓘ
New York City Transit Authority NERFINISHED ⓘ |
| partOf | New York City Subway ⓘ |
| servedByLine | BMT Fourth Avenue Line NERFINISHED ⓘ |
| servedByService |
D train
NERFINISHED
ⓘ
N train NERFINISHED ⓘ R train NERFINISHED ⓘ W train NERFINISHED ⓘ |
| usedFor |
express subway service
ⓘ
local subway service ⓘ |
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: Fourth Avenue subway corridor Description of subject: The Fourth Avenue subway corridor is a major transit route in Brooklyn, New York City, carrying multiple subway lines beneath Fourth Avenue and serving as a key north–south connection through several neighborhoods.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
BMT Culver Line
this entity surface form:
Fourth Avenue Subway
this entity surface form:
Fourth Avenue Line (via connection in Brooklyn/Manhattan area, historically and operationally related)