B Division (New York City Subway)
E450167
B Division (New York City Subway) is the portion of New York City's subway system that operates the wider, lettered routes—primarily in Manhattan, Brooklyn, and Queens—using larger cars and distinct infrastructure from the numbered-line A Division.
All labels observed (6)
| Label | Occurrences |
|---|---|
| B Division (New York City Subway) canonical | 6 |
| B Division of New York City Subway | 3 |
| B Division of the New York City Subway | 3 |
| A Division (New York City Subway) | 1 |
| B Division (IND/BMT) | 1 |
| NYC Subway B Division | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4537944 — 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: B Division (New York City Subway) Context triple: [Broadway Line (Manhattan), partOf, B Division (New York City Subway)]
-
A.
D (New York City Subway service)
The D is a New York City Subway rapid transit service that runs primarily along the IND Sixth Avenue Line in Manhattan, connecting the Bronx and Brooklyn via express and local routes.
-
B.
BMT Canarsie Line
The BMT Canarsie Line is a New York City Subway rapid transit line in Brooklyn and Manhattan, best known for being served by the L train and running crosstown under 14th Street.
-
C.
New York City Subway C line
The New York City Subway C line is an IND Eighth Avenue Line local service in Manhattan, Brooklyn, and sometimes Queens, known for its blue route color and frequent stops along the west side of Manhattan.
-
D.
BMT Broadway Line
The BMT Broadway Line is a major New York City Subway trunk line in Manhattan, carrying N, Q, R, and W trains through Midtown and Lower Manhattan via Broadway.
-
E.
BMT Fourth Avenue Line
The BMT Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn, running beneath Fourth Avenue and serving as a key corridor for multiple 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: B Division (New York City Subway) Target entity description: B Division (New York City Subway) is the portion of New York City's subway system that operates the wider, lettered routes—primarily in Manhattan, Brooklyn, and Queens—using larger cars and distinct infrastructure from the numbered-line A Division.
-
A.
D (New York City Subway service)
The D is a New York City Subway rapid transit service that runs primarily along the IND Sixth Avenue Line in Manhattan, connecting the Bronx and Brooklyn via express and local routes.
-
B.
BMT Canarsie Line
The BMT Canarsie Line is a New York City Subway rapid transit line in Brooklyn and Manhattan, best known for being served by the L train and running crosstown under 14th Street.
-
C.
New York City Subway C line
The New York City Subway C line is an IND Eighth Avenue Line local service in Manhattan, Brooklyn, and sometimes Queens, known for its blue route color and frequent stops along the west side of Manhattan.
-
D.
BMT Broadway Line
The BMT Broadway Line is a major New York City Subway trunk line in Manhattan, carrying N, Q, R, and W trains through Midtown and Lower Manhattan via Broadway.
-
E.
BMT Fourth Avenue Line
The BMT Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn, running beneath Fourth Avenue and serving as a key corridor for multiple services.
- F. None of above. chosen
Statements (59)
| Predicate | Object |
|---|---|
| instanceOf | division of the New York City Subway ⓘ |
| alsoKnownAs |
B Division
NERFINISHED
ⓘ
IND/BMT Division NERFINISHED ⓘ |
| cannotInteroperateWith | A Division rolling stock ⓘ |
| carLength |
60-foot cars
ⓘ
75-foot cars ⓘ |
| carWidth | approximately 10 feet ⓘ |
| contrastsWith | A Division (New York City Subway) NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | 600 V DC third rail ⓘ |
| fareSystem | integrated with A Division ⓘ |
| hasDistinct | tunnel and station dimensions from A Division ⓘ |
| hasPlatformClearances | designed for wider cars ⓘ |
| hasRollingStockSeries |
R143 series
NERFINISHED
ⓘ
R160 series NERFINISHED ⓘ R179 series NERFINISHED ⓘ R211 series NERFINISHED ⓘ R32 series (historical) ⓘ R46 series NERFINISHED ⓘ R68 series NERFINISHED ⓘ R68A series NERFINISHED ⓘ |
| hasService |
A service
ⓘ
B service NERFINISHED ⓘ C service NERFINISHED ⓘ D service NERFINISHED ⓘ E service ⓘ F service NERFINISHED ⓘ G service ⓘ J service NERFINISHED ⓘ L service NERFINISHED ⓘ M service ⓘ N service ⓘ Q service NERFINISHED ⓘ R service ⓘ Shuttle services on B Division trackage ⓘ W service NERFINISHED ⓘ Z service NERFINISHED ⓘ |
| hasYard |
Concourse Yard
NERFINISHED
ⓘ
Coney Island Yard NERFINISHED ⓘ East New York Yard NERFINISHED ⓘ Jamaica Yard NERFINISHED ⓘ Pitkin Yard NERFINISHED ⓘ |
| historicallyComposedOf |
BMT Division
NERFINISHED
ⓘ
IND Division NERFINISHED ⓘ |
| infrastructureType | separate from A Division infrastructure ⓘ |
| locatedIn | New York City ⓘ |
| operator | New York City Transit Authority NERFINISHED ⓘ |
| parentOrganization | Metropolitan Transportation Authority NERFINISHED ⓘ |
| partOf | New York City Subway ⓘ |
| servesBorough |
Brooklyn
NERFINISHED
ⓘ
Manhattan NERFINISHED ⓘ Queens NERFINISHED ⓘ The Bronx NERFINISHED ⓘ |
| signalSystem |
communications-based train control on some lines
ⓘ
wayside block signals ⓘ |
| trackGauge | standard gauge ⓘ |
| uses |
lettered services
ⓘ
longer subway cars ⓘ wider rolling stock ⓘ |
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: B Division (New York City Subway) Description of subject: B Division (New York City Subway) is the portion of New York City's subway system that operates the wider, lettered routes—primarily in Manhattan, Brooklyn, and Queens—using larger cars and distinct infrastructure from the numbered-line A Division.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Broadway Line (Manhattan)
this entity surface form:
B Division of the New York City Subway
this entity surface form:
B Division of New York City Subway
this entity surface form:
A Division (New York City Subway)
this entity surface form:
B Division of New York City Subway
Z train operates skip-stop with J train on portions of the line
→
partOf
→
B Division (New York City Subway)
ⓘ
this entity surface form:
B Division of the New York City Subway
subject surface form:
V (Sixth Avenue Local)
this entity surface form:
NYC Subway B Division
Q train operates via Second Avenue between 63rd Street and 96th Street
→
division
→
B Division (New York City Subway)
ⓘ
this entity surface form:
B Division of New York City Subway
this entity surface form:
B Division (IND/BMT)
subject surface form:
Q (New York City Subway service)
this entity surface form:
B Division of the New York City Subway