R143 series
E1041246
The R143 series is a class of New York City Subway rolling stock built for the B Division, featuring modern automated train control capabilities and used primarily on the L line.
All labels observed (1)
| Label | Occurrences |
|---|---|
| R143 series canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13457050 — 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: R143 series Context triple: [IND/BMT large-profile cars, hasCarTypeFamily, R143 series]
-
A.
E131 series
The E131 series is a modern Japanese electric multiple unit train type operated by JR East for suburban and regional passenger services.
-
B.
E217 series
The E217 series is a Japanese electric multiple unit train type that operated primarily on JR East’s Yokosuka and Sobu Line services from the mid-1990s until its phased retirement.
-
C.
446 series EMU
The 446 series EMU is a type of electric multiple unit train used for commuter and regional passenger services.
-
D.
683 series EMU
The 683 series EMU is a Japanese electric multiple unit train operated by JR West, best known for its use on high-speed limited express services in the Hokuriku region.
-
E.
JR West 271 series
The JR West 271 series is a Japanese limited express electric multiple unit train operated by West Japan Railway Company, primarily used for airport and intercity 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: R143 series Target entity description: The R143 series is a class of New York City Subway rolling stock built for the B Division, featuring modern automated train control capabilities and used primarily on the L line.
-
A.
E131 series
The E131 series is a modern Japanese electric multiple unit train type operated by JR East for suburban and regional passenger services.
-
B.
E217 series
The E217 series is a Japanese electric multiple unit train type that operated primarily on JR East’s Yokosuka and Sobu Line services from the mid-1990s until its phased retirement.
-
C.
446 series EMU
The 446 series EMU is a type of electric multiple unit train used for commuter and regional passenger services.
-
D.
683 series EMU
The 683 series EMU is a Japanese electric multiple unit train operated by JR West, best known for its use on high-speed limited express services in the Hokuriku region.
-
E.
JR West 271 series
The JR West 271 series is a Japanese limited express electric multiple unit train operated by West Japan Railway Company, primarily used for airport and intercity services.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway rolling stock
ⓘ
electric multiple unit ⓘ subway car class ⓘ |
| brakeSystem |
electrodynamic braking
ⓘ
pneumatic braking ⓘ |
| builtAt |
Kawasaki plant in Kobe, Japan
NERFINISHED
ⓘ
Kawasaki plant in Yonkers, New York NERFINISHED ⓘ |
| carBodyMaterial | stainless steel ⓘ |
| carHeight | about 11.1 feet ⓘ |
| carLength | 60 feet ⓘ |
| carWidth | 9.8 feet ⓘ |
| collectionMethod | contact shoe ⓘ |
| constructionEndYear | 2003 ⓘ |
| constructionStartYear | 1999 ⓘ |
| countryOfOrigin | Japan ⓘ |
| couplingType | semi-permanent couplers within sets ⓘ |
| depot | East New York Yard NERFINISHED ⓘ |
| designedForLine | BMT Canarsie Line NERFINISHED ⓘ |
| division | B Division ⓘ |
| doorConfiguration | 4 pairs of side doors per car ⓘ |
| doorType | sliding pocket doors ⓘ |
| exteriorFeature | front LED route and destination signs ⓘ |
| family | New Technology Train NERFINISHED ⓘ |
| fleetNumberRange | 8101–8312 ⓘ |
| interiorFeature |
LED interior information displays
ⓘ
automated announcements ⓘ electronic destination signs ⓘ longitudinal seating ⓘ |
| manufacturer |
Kawasaki Heavy Industries
NERFINISHED
ⓘ
Kawasaki Rail Car Inc. NERFINISHED ⓘ |
| numberBuilt | 212 cars ⓘ |
| operator | New York City Transit Authority NERFINISHED ⓘ |
| owner | Metropolitan Transportation Authority ⓘ |
| powerSupply | 600 V DC third rail ⓘ |
| precededBy | R42 series NERFINISHED ⓘ |
| primaryServiceLine | L ⓘ |
| region | New York City NERFINISHED ⓘ |
| safetyFeature |
event recorders
ⓘ
onboard diagnostics ⓘ |
| serviceEntryYear | 2002 ⓘ |
| serviceType | rapid transit ⓘ |
| succeededBy | R160 series NERFINISHED ⓘ |
| system | New York City Subway ⓘ |
| tractionControl | VVVF inverter ⓘ |
| tractionSystem | AC propulsion NERFINISHED ⓘ |
| trainControlCapability |
automatic train operation
ⓘ
communications-based train control ⓘ |
| trainsetFormation | 4-car sets ⓘ |
| typicalTrainLength | 8 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: R143 series Description of subject: The R143 series is a class of New York City Subway rolling stock built for the B Division, featuring modern automated train control capabilities and used primarily on the L line.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.