Brooklyn–Manhattan Transit Corporation subway network
E472987
The Brooklyn–Manhattan Transit Corporation subway network was a major early 20th-century rapid transit system in New York City that operated extensive lines in Brooklyn and Manhattan before being incorporated into today’s NYC Subway.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Brooklyn–Manhattan Transit Corporation subway network canonical | 1 |
| Brooklyn–Manhattan Transit system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4775864 — 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: Brooklyn–Manhattan Transit Corporation subway network Context triple: [BMT 2 (Fourth Avenue Local), network, Brooklyn–Manhattan Transit Corporation subway network]
-
A.
New York City Subway
The New York City Subway is one of the world’s largest and busiest rapid transit systems, serving the five boroughs of New York City with extensive 24/7 underground and elevated rail service.
-
B.
Brooklyn IRT lines
The Brooklyn IRT lines are a group of New York City Subway routes in Brooklyn that were originally built and operated by the Interborough Rapid Transit Company as part of its early rapid transit network.
-
C.
MTA Bridges and Tunnels network
The MTA Bridges and Tunnels network is a system of major toll bridges and tunnels in New York City operated by the Metropolitan Transportation Authority, connecting the city’s boroughs and surrounding regions.
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D.
MTA New York City Subway fare system
The MTA New York City Subway fare system is the payment and ticketing framework that governs how riders pay to use New York City’s subway network, including methods like MetroCard and OMNY.
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E.
Independent Subway System (IND)
The Independent Subway System (IND) was New York City's municipally built and operated subway network, created in the early 20th century to compete with and eventually replace the privately run IRT and BMT lines.
- 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: Brooklyn–Manhattan Transit Corporation subway network Target entity description: The Brooklyn–Manhattan Transit Corporation subway network was a major early 20th-century rapid transit system in New York City that operated extensive lines in Brooklyn and Manhattan before being incorporated into today’s NYC Subway.
-
A.
New York City Subway
The New York City Subway is one of the world’s largest and busiest rapid transit systems, serving the five boroughs of New York City with extensive 24/7 underground and elevated rail service.
-
B.
Brooklyn IRT lines
The Brooklyn IRT lines are a group of New York City Subway routes in Brooklyn that were originally built and operated by the Interborough Rapid Transit Company as part of its early rapid transit network.
-
C.
MTA Bridges and Tunnels network
The MTA Bridges and Tunnels network is a system of major toll bridges and tunnels in New York City operated by the Metropolitan Transportation Authority, connecting the city’s boroughs and surrounding regions.
-
D.
MTA New York City Subway fare system
The MTA New York City Subway fare system is the payment and ticketing framework that governs how riders pay to use New York City’s subway network, including methods like MetroCard and OMNY.
-
E.
Independent Subway System (IND)
The Independent Subway System (IND) was New York City's municipally built and operated subway network, created in the early 20th century to compete with and eventually replace the privately run IRT and BMT lines.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
former transit system
ⓘ
rapid transit system ⓘ subway network ⓘ |
| connectsTo |
Brooklyn Bridge (elevated services)
NERFINISHED
ⓘ
Manhattan Bridge NERFINISHED ⓘ Williamsburg Bridge NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | third rail ⓘ |
| fareSystem | flat fare ⓘ |
| hasLine |
BMT Brighton Line
NERFINISHED
ⓘ
BMT Broadway Elevated Line (Brooklyn) NERFINISHED ⓘ BMT Broadway Line NERFINISHED ⓘ BMT Canarsie Line NERFINISHED ⓘ BMT Culver Line NERFINISHED ⓘ BMT Fifth Avenue Line (Brooklyn elevated) NERFINISHED ⓘ BMT Fourth Avenue Line NERFINISHED ⓘ BMT Franklin Avenue Line NERFINISHED ⓘ BMT Fulton Street Line (elevated) NERFINISHED ⓘ BMT Jamaica Elevated Line NERFINISHED ⓘ BMT Jamaica Line NERFINISHED ⓘ BMT Lexington Avenue Line (Brooklyn elevated) NERFINISHED ⓘ BMT Myrtle Avenue Line NERFINISHED ⓘ BMT Nassau Street Line NERFINISHED ⓘ BMT Sea Beach Line NERFINISHED ⓘ BMT West End Line NERFINISHED ⓘ BMT West End Line (elevated predecessor) NERFINISHED ⓘ |
| hasTerminal |
Atlantic Avenue–Barclays Center
NERFINISHED
ⓘ
Canarsie–Rockaway Parkway NERFINISHED ⓘ Chambers Street (BMT Nassau Street Line) NERFINISHED ⓘ Coney Island–Stillwell Avenue NERFINISHED ⓘ Jamaica–168th Street (former) NERFINISHED ⓘ Metropolitan Avenue (Myrtle Avenue Line) NERFINISHED ⓘ |
| historicalEra | early 20th century ⓘ |
| integratedInto | city-owned IND and IRT systems ⓘ |
| locatedIn |
Brooklyn
NERFINISHED
ⓘ
Manhattan ⓘ New York City ⓘ |
| operatedBy | Brooklyn–Manhattan Transit Corporation NERFINISHED ⓘ |
| partOf | New York City Subway ⓘ |
| predecessorOf | BMT Division of the New York City Subway NERFINISHED ⓘ |
| servedBorough |
Brooklyn
NERFINISHED
ⓘ
Manhattan NERFINISHED ⓘ Queens NERFINISHED ⓘ |
| serviceType |
express service
ⓘ
local service ⓘ |
| successor | BMT Division services of the unified New York City Subway ⓘ |
| trackGauge | standard gauge ⓘ |
| usesRollingStockType | electric multiple unit ⓘ |
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: Brooklyn–Manhattan Transit Corporation subway network Description of subject: The Brooklyn–Manhattan Transit Corporation subway network was a major early 20th-century rapid transit system in New York City that operated extensive lines in Brooklyn and Manhattan before being incorporated into today’s NYC Subway.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Brooklyn–Manhattan Transit system