R142A cars
E593683
R142A cars are a class of New York City Subway rolling stock built for the IRT division in the early 2000s, later partially converted into R188 cars for use on the 7 line.
All labels observed (1)
| Label | Occurrences |
|---|---|
| R142A cars canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6451800 — 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: R142A cars Context triple: [R188 cars, conversionSource, R142A cars]
-
A.
R188 cars
R188 cars are a class of modern New York City Subway rolling stock built for automated-capable service on the 7 train.
-
B.
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.
-
C.
R188 subway cars
The R188 subway cars are a modern fleet of New York City Subway rolling stock built for the IRT Flushing Line, featuring updated technology and communications-based train control compatibility.
-
D.
R211 subway cars
The R211 subway cars are a modern generation of New York City Subway rolling stock featuring updated technology, improved accessibility, and enhanced passenger amenities.
-
E.
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.
- 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: R142A cars Target entity description: R142A cars are a class of New York City Subway rolling stock built for the IRT division in the early 2000s, later partially converted into R188 cars for use on the 7 line.
-
A.
R188 cars
R188 cars are a class of modern New York City Subway rolling stock built for automated-capable service on the 7 train.
-
B.
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.
-
C.
R188 subway cars
The R188 subway cars are a modern fleet of New York City Subway rolling stock built for the IRT Flushing Line, featuring updated technology and communications-based train control compatibility.
-
D.
R211 subway cars
The R211 subway cars are a modern generation of New York City Subway rolling stock featuring updated technology, improved accessibility, and enhanced passenger amenities.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway rolling stock
ⓘ
electric multiple unit ⓘ |
| brakeSystem |
electrodynamic brakes
ⓘ
pneumatic brakes ⓘ |
| builtFor | New York City Subway NERFINISHED ⓘ |
| carbodyMaterial | stainless steel ⓘ |
| compatibleWith | R142 ⓘ |
| constructionEnd | 2003 ⓘ |
| constructionStart | 1999 ⓘ |
| controlSystem | microprocessor-based train control ⓘ |
| convertedTo | R188 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| designedFor |
A Division
ⓘ
high-platform rapid transit ⓘ |
| designedToMeet | ADA accessibility requirements ⓘ |
| division | IRT ⓘ |
| doorConfiguration | side doors, 3 pairs per side per car ⓘ |
| doorOperation | powered sliding doors ⓘ |
| doorType | side sliding pocket doors ⓘ |
| enteredService | 2000 ⓘ |
| family | New Technology Train NERFINISHED ⓘ |
| features |
air conditioning
ⓘ
automated announcements ⓘ electronic destination signs ⓘ |
| fleetRole | passenger service ⓘ |
| gauge | standard gauge ⓘ |
| hasFormation | permanently coupled sets ⓘ |
| hasInteriorLayout | longitudinal seating with some transverse seats ⓘ |
| introducedAsReplacementFor | Redbird cars NERFINISHED ⓘ |
| location | New York City ⓘ |
| manufacturer |
Bombardier Transportation
NERFINISHED
ⓘ
Kawasaki Heavy Industries NERFINISHED ⓘ |
| operator | New York City Transit Authority NERFINISHED ⓘ |
| owner | Metropolitan Transportation Authority ⓘ |
| powerSupply | 625 V DC third rail ⓘ |
| propulsion | AC traction motors ⓘ |
| safetySystem | automatic train supervision compatible ⓘ |
| subclassOf | New Technology Train rolling stock NERFINISHED ⓘ |
| successor | R188 ⓘ |
| tractionControl | solid-state inverters ⓘ |
| usedOnLine |
2
ⓘ
4 ⓘ 5 ⓘ 6 ⓘ 7 ⓘ Shuttle services on IRT division ⓘ various IRT services over time ⓘ |
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: R142A cars Description of subject: R142A cars are a class of New York City Subway rolling stock built for the IRT division in the early 2000s, later partially converted into R188 cars for use on the 7 line.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.