R142A
E1047085
The R142A is a class of New York City Subway A Division electric multiple unit cars built in the early 2000s for the IRT lines.
All labels observed (1)
| Label | Occurrences |
|---|---|
| R142A canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T13532057 — 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 Context triple: [A Division, hasRollingStockFamily, R142A]
-
A.
R22
R22 is a regional commuter rail line in Catalonia, Spain, operated as part of the Rodalies de Catalunya network.
-
B.
Freon
Freon is a family of chlorofluorocarbon (CFC) and related refrigerant gases historically used in air conditioning, refrigeration, and aerosol propellants, later restricted due to their role in ozone layer depletion.
-
C.
R-12
R-12 was a Soviet medium-range ballistic missile deployed during the Cold War and known in NATO reporting as the SS-4 Sandal.
-
D.
R12
R12 is a regional rail line in the Rodalies de Catalunya network that connects Barcelona with inland towns in central Catalonia.
-
E.
R14
R14 is a regional railway line in Catalonia, Spain, operated as part of the Rodalies de Catalunya network and connecting inland cities with Barcelona.
- 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 Target entity description: The R142A is a class of New York City Subway A Division electric multiple unit cars built in the early 2000s for the IRT lines.
-
A.
R22
R22 is a regional commuter rail line in Catalonia, Spain, operated as part of the Rodalies de Catalunya network.
-
B.
Freon
Freon is a family of chlorofluorocarbon (CFC) and related refrigerant gases historically used in air conditioning, refrigeration, and aerosol propellants, later restricted due to their role in ozone layer depletion.
-
C.
R-12
R-12 was a Soviet medium-range ballistic missile deployed during the Cold War and known in NATO reporting as the SS-4 Sandal.
-
D.
R12
R12 is a regional rail line in the Rodalies de Catalunya network that connects Barcelona with inland towns in central Catalonia.
-
E.
R14
R14 is a regional railway line in Catalonia, Spain, operated as part of the Rodalies de Catalunya network and connecting inland cities with Barcelona.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
A Division subway car
ⓘ
New York City Subway rolling stock ⓘ electric multiple unit ⓘ |
| brakeType | electro-pneumatic brakes ⓘ |
| carBodyMaterial | stainless steel ⓘ |
| carConfiguration | permanently coupled unit ⓘ |
| carType | non-articulated ⓘ |
| collectionMethod | top-running contact shoe ⓘ |
| countryOfOperation |
United States
ⓘ
linked to:
United States of America
|
| designedFor |
New York City Subway A Division loading gauge
ⓘ
bidirectional operation ⓘ high-platform boarding ⓘ rapid transit service ⓘ third-rail-only operation ⓘ |
| doorConfiguration | side doors ⓘ |
| doorType | sliding pocket doors ⓘ |
| enteredServiceOnSystem | New York City Subway ⓘ |
| floorHeight | high-floor design ⓘ |
| gauge | standard gauge ⓘ |
| hasCommunicationSystem |
intercom between passengers and crew
ⓘ
public address system ⓘ |
| hasControlCab | yes ⓘ |
| hasCouplers |
automatic couplers at unit ends
ⓘ
semi-permanent between cars ⓘ |
| hasFeature |
air conditioning
ⓘ
automated announcements ⓘ electronic destination signs ⓘ interior LED or LCD displays ⓘ |
| hasGangway | no full-width gangway between units ⓘ |
| hasInteriorLayout | longitudinal seating dominant ⓘ |
| hasLighting | fluorescent or LED interior lighting ⓘ |
| introducedInDecade | 2000s ⓘ |
| isPartOf |
New Technology Train program
ⓘ
linked to:
New Technology Train
|
| loadingGauge | A Division (IRT) small-profile ⓘ |
| multipleWorking | compatible with other A Division NTT classes (subject to operating rules) ⓘ |
| network | New York City Subway A Division ⓘ |
| operatesIn | New York City ⓘ |
| operator |
New York City Subway
ⓘ
New York City Transit Authority ⓘ |
| powerSupply | 600 V DC third rail ⓘ |
| safetySystem | automatic train stop compatible ⓘ |
| servesLineType | IRT ⓘ |
| serviceType | urban rapid transit ⓘ |
| trackGauge | 1,435 mm ⓘ |
| tractionCurrentCollection | third rail ⓘ |
| tractionType | electric traction ⓘ |
| usedOn | numbered subway lines ⓘ |
| usedOnDivision | IRT ⓘ |
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 Description of subject: The R142A is a class of New York City Subway A Division electric multiple unit cars built in the early 2000s for the IRT lines.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.