B Division subway cars
E190126
B Division subway cars are the wider, longer New York City Subway rolling stock used on lettered lines, designed for higher-capacity service on the B Division routes.
All labels observed (4)
| Label | Occurrences |
|---|---|
| B Division subway cars canonical | 2 |
| New York City Subway B Division cars | 2 |
| B Division cars | 1 |
| B Division rolling stock | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1685020 — 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 subway cars Context triple: [BMT Jamaica Line, usesRollingStockType, B Division subway cars]
-
A.
IRT A Division subway cars
IRT A Division subway cars are the narrower, smaller-profile New York City Subway vehicles designed to operate on the numbered lines of the system.
-
B.
R46 subway cars
The R46 subway cars are a class of New York City Subway rolling stock built in the 1970s, known for their stainless-steel bodies and long service on various IND/BMT lines.
-
C.
R143 subway cars
The R143 subway cars are a class of New York City Subway rolling stock built in the early 2000s, primarily used on the BMT Canarsie Line and known for introducing modern features like electronic signage and automated announcements.
-
D.
R160 subway cars
The R160 subway cars are a class of modern New Technology Train rolling stock used on various New York City Subway lines, featuring electronic signage, automated announcements, and improved accessibility and reliability compared to older fleets.
-
E.
R68 subway car
The R68 subway car is a stainless-steel New York City Subway rolling stock class built in the 1980s, primarily used on B Division lines such as the B train.
- 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 subway cars Target entity description: B Division subway cars are the wider, longer New York City Subway rolling stock used on lettered lines, designed for higher-capacity service on the B Division routes.
-
A.
IRT A Division subway cars
IRT A Division subway cars are the narrower, smaller-profile New York City Subway vehicles designed to operate on the numbered lines of the system.
-
B.
R46 subway cars
The R46 subway cars are a class of New York City Subway rolling stock built in the 1970s, known for their stainless-steel bodies and long service on various IND/BMT lines.
-
C.
R143 subway cars
The R143 subway cars are a class of New York City Subway rolling stock built in the early 2000s, primarily used on the BMT Canarsie Line and known for introducing modern features like electronic signage and automated announcements.
-
D.
R160 subway cars
The R160 subway cars are a class of modern New Technology Train rolling stock used on various New York City Subway lines, featuring electronic signage, automated announcements, and improved accessibility and reliability compared to older fleets.
-
E.
R68 subway car
The R68 subway car is a stainless-steel New York City Subway rolling stock class built in the 1980s, primarily used on B Division lines such as the B train.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway rolling stock
ⓘ
rapid transit rolling stock ⓘ |
| accessibilityFeatures |
designed to accommodate standing passengers
ⓘ
multiple wide doors per side ⓘ |
| brakeType | electro-pneumatic brakes ⓘ |
| cannotOperateOn | IRT (A Division) lines ⓘ |
| compatibleWith | B Division platform clearances ⓘ |
| controlType | multiple-unit train control ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| designedFor |
B Division routes
ⓘ
higher-capacity service ⓘ |
| designedTo | maximize passenger capacity ⓘ |
| doorConfiguration | side doors for high-platform boarding ⓘ |
| doorOperation | powered sliding doors ⓘ |
| electrificationSystem | 600 V DC third rail ⓘ |
| fareCollection | proof of payment via station turnstiles ⓘ |
| gaugeCompatibility | same track gauge as A Division ⓘ |
| lengthComparedTo | longer than A Division subway cars ⓘ |
| loadingGauge | larger than A Division loading gauge ⓘ |
| network | New York City Subway ⓘ |
| notCompatibleWith | A Division platform clearances ⓘ |
| operatedBy | New York City Transit Authority ⓘ |
| operatedSince | early 20th century ⓘ |
| operatesOn |
B Division routes in Brooklyn
ⓘ
B Division routes in Queens ⓘ B Division routes in the Bronx ⓘ B Division trunk lines in Manhattan ⓘ |
| operatingEnvironment |
elevated
ⓘ
open-cut ⓘ underground ⓘ |
| owner | Metropolitan Transportation Authority ⓘ |
| partOf | B Division (New York City Subway) ⓘ |
| powerCollectionMethod | contact shoe on third rail ⓘ |
| safetySystems |
automatic block signaling
ⓘ
train stop system ⓘ |
| serviceType | heavy rail metro ⓘ |
| trackGauge | standard gauge (4 ft 8 1⁄2 in) ⓘ |
| typicalCarLength |
60 feet
ⓘ
75 feet ⓘ |
| usedFor |
express services
ⓘ
local services ⓘ |
| usedIn | New York City ⓘ |
| usedOn |
BMT lines
ⓘ
IND lines ⓘ lettered New York City Subway services ⓘ |
| widthComparedTo | wider than A Division subway cars ⓘ |
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 subway cars Description of subject: B Division subway cars are the wider, longer New York City Subway rolling stock used on lettered lines, designed for higher-capacity service on the B Division routes.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
New York City Subway B Division cars
this entity surface form:
B Division cars
this entity surface form:
New York City Subway B Division cars
this entity surface form:
B Division rolling stock