Brooklyn–Manhattan Transit Corporation
E278718
The Brooklyn–Manhattan Transit Corporation was a major early 20th-century New York City rapid transit company that operated subways and elevated lines in Brooklyn and Manhattan before being absorbed into the city’s unified transit system.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Brooklyn–Manhattan Transit Corporation canonical | 34 |
| Brooklyn–Manhattan Transit | 1 |
| Brooklyn–Manhattan Transit Corporation (BMT) | 1 |
| Brooklyn–Manhattan Transit system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1685012 — 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 Context triple: [BMT Jamaica Line, formerOperator, Brooklyn–Manhattan Transit Corporation]
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A.
Interborough Rapid Transit Company
The Interborough Rapid Transit Company was the private operator that built and ran New York City's first subway lines in the early 20th century before they were incorporated into the modern NYC Subway system.
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B.
Brooklyn Rapid Transit Company
The Brooklyn Rapid Transit Company was a major early 20th-century transit operator in New York City that controlled and integrated many of Brooklyn’s elevated and streetcar lines before becoming part of the city’s unified subway system.
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C.
New York City Transit Authority
The New York City Transit Authority is the public agency responsible for operating most of New York City's subway and bus system as part of the Metropolitan Transportation Authority (MTA).
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D.
Staten Island Rapid Transit Operating Authority
The Staten Island Rapid Transit Operating Authority is a public agency of the Metropolitan Transportation Authority responsible for managing and overseeing Staten Island’s railway transit services.
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E.
Metropolitan Transportation Authority
The Metropolitan Transportation Authority is the public agency responsible for operating and overseeing much of the mass transit and commuter rail systems in the New York City metropolitan area.
- 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 Target entity description: The Brooklyn–Manhattan Transit Corporation was a major early 20th-century New York City rapid transit company that operated subways and elevated lines in Brooklyn and Manhattan before being absorbed into the city’s unified transit system.
-
A.
Interborough Rapid Transit Company
The Interborough Rapid Transit Company was the private operator that built and ran New York City's first subway lines in the early 20th century before they were incorporated into the modern NYC Subway system.
-
B.
Brooklyn Rapid Transit Company
The Brooklyn Rapid Transit Company was a major early 20th-century transit operator in New York City that controlled and integrated many of Brooklyn’s elevated and streetcar lines before becoming part of the city’s unified subway system.
-
C.
New York City Transit Authority
The New York City Transit Authority is the public agency responsible for operating most of New York City's subway and bus system as part of the Metropolitan Transportation Authority (MTA).
-
D.
Staten Island Rapid Transit Operating Authority
The Staten Island Rapid Transit Operating Authority is a public agency of the Metropolitan Transportation Authority responsible for managing and overseeing Staten Island’s railway transit services.
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E.
Metropolitan Transportation Authority
The Metropolitan Transportation Authority is the public agency responsible for operating and overseeing much of the mass transit and commuter rail systems in the New York City metropolitan area.
- F. None of above. chosen
Statements (49)
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 Description of subject: The Brooklyn–Manhattan Transit Corporation was a major early 20th-century New York City rapid transit company that operated subways and elevated lines in Brooklyn and Manhattan before being absorbed into the city’s unified transit system.
Referenced by (37)
Full triples — surface form annotated when it differs from this entity's canonical label.
New York City Subway City Hall–Broadway station (R,W)
→
openedBy
→
Brooklyn–Manhattan Transit Corporation
ⓘ
subject surface form:
City Hall–Broadway station
this entity surface form:
Brooklyn–Manhattan Transit
subject surface form:
BMT Culver Line
subject surface form:
BMT Culver Line
this entity surface form:
Brooklyn–Manhattan Transit system
MTA New York City Transit Subdivision B
→
historicalOrigin
→
Brooklyn–Manhattan Transit Corporation
ⓘ
Broadway–Lexington Avenue route (historical planning name)
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associatedWith
→
Brooklyn–Manhattan Transit Corporation
ⓘ
this entity surface form:
Brooklyn–Manhattan Transit Corporation (BMT)