B Division 75-foot car
E813504
The B Division 75-foot car is a class of New York City Subway rolling stock characterized by its 75-foot length, designed for use on the B Division (lettered) lines to maximize capacity and operational efficiency.
All labels observed (1)
| Label | Occurrences |
|---|---|
| B Division 75-foot car canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9655998 — 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 75-foot car Context triple: [R68A, carType, B Division 75-foot car]
-
A.
Oshkosh Racey
Oshkosh Racey is a celebrated American racing greyhound renowned for his exceptional track performance and status as one of the sport’s notable champions.
-
B.
C-12V Huron
The C-12V Huron is a military transport and liaison aircraft, derived from the Beechcraft King Air series, used for personnel and light cargo transport, medical evacuation, and utility missions.
-
C.
Breda LRV2
Breda LRV2 is a type of light rail vehicle built by the Italian manufacturer Breda, used in urban tram and light rail systems such as San Francisco’s Muni Metro.
-
D.
L-Series wagon
The L-Series wagon is a compact station wagon variant of Saturn’s L-Series lineup, offering practical cargo space and family-friendly versatility.
-
E.
S-100 bus
The S-100 bus is an early microcomputer expansion bus standard, originally used in Altair 8800–era systems, that defined a 100-pin edge connector for modular CPU, memory, and peripheral cards.
- 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 75-foot car Target entity description: The B Division 75-foot car is a class of New York City Subway rolling stock characterized by its 75-foot length, designed for use on the B Division (lettered) lines to maximize capacity and operational efficiency.
-
A.
Oshkosh Racey
Oshkosh Racey is a celebrated American racing greyhound renowned for his exceptional track performance and status as one of the sport’s notable champions.
-
B.
C-12V Huron
The C-12V Huron is a military transport and liaison aircraft, derived from the Beechcraft King Air series, used for personnel and light cargo transport, medical evacuation, and utility missions.
-
C.
Breda LRV2
Breda LRV2 is a type of light rail vehicle built by the Italian manufacturer Breda, used in urban tram and light rail systems such as San Francisco’s Muni Metro.
-
D.
L-Series wagon
The L-Series wagon is a compact station wagon variant of Saturn’s L-Series lineup, offering practical cargo space and family-friendly versatility.
-
E.
S-100 bus
The S-100 bus is an early microcomputer expansion bus standard, originally used in Altair 8800–era systems, that defined a 100-pin edge connector for modular CPU, memory, and peripheral cards.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway rolling stock
ⓘ
electric multiple unit ⓘ |
| accessibilityFeature | level boarding from platforms ⓘ |
| belongsTo |
B Division car fleet
ⓘ
heavy rail vehicle class ⓘ |
| brakeType | pneumatic brakes ⓘ |
| canOperateInTrainsetsUpTo | 10 cars (typical B Division train length) ⓘ |
| carLength |
22.86 meters
ⓘ
75 feet ⓘ |
| compatibleWith |
BMT lines
ⓘ
IND lines ⓘ |
| controlType | multiple-unit train control ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| designedFor |
B Division
ⓘ
heavy-rail rapid transit service ⓘ high-frequency service ⓘ high-platform boarding ⓘ |
| designedTo |
fit B Division loading gauge
ⓘ
improve operational efficiency ⓘ maximize passenger capacity ⓘ operate in tunnels and elevated structures ⓘ |
| doorType | side doors ⓘ |
| gauge | standard gauge ⓘ |
| hasCouplers | yes ⓘ |
| hasDoorsOn | both sides ⓘ |
| hasMultipleUnits | yes ⓘ |
| hasOperatorCab | yes ⓘ |
| network | New York City Subway ⓘ |
| notCompatibleWith |
IRT division
ⓘ
linked to:
IRT Division
|
| operatedBy |
Metropolitan Transportation Authority
ⓘ
New York City Transit Authority ⓘ |
| partOf |
New York City Subway B Division
ⓘ
linked to:
MTA New York City Transit Subdivision B
|
| powerCollectionMethod | third rail ⓘ |
| serviceType | urban mass transit ⓘ |
| thirdRailVoltage | 600–650 V DC ⓘ |
| trackConfiguration | standard-gauge double track ⓘ |
| traction | electric traction ⓘ |
| typicalTrainFormation | married pairs or linked sets ⓘ |
| usedFor | passenger transport ⓘ |
| usedIn | New York City ⓘ |
| usedOn | lettered subway lines ⓘ |
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 75-foot car Description of subject: The B Division 75-foot car is a class of New York City Subway rolling stock characterized by its 75-foot length, designed for use on the B Division (lettered) lines to maximize capacity and operational efficiency.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.