R211
E562656
The R211 is a modern class of New York City Subway cars designed to replace older rolling stock and improve reliability, capacity, and passenger amenities on lines including the BMT Canarsie Line.
All labels observed (4)
How this entity was disambiguated
This entity first appeared as the object of triple T6013821 — 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: R211 Context triple: [BMT Canarsie Line, hasRollingStock, R211]
-
A.
R11
R11 is the internal station code used by the New York City Subway for the Grand Central–42nd Street complex in Midtown Manhattan.
-
B.
R-11
R-11 is a Soviet short-range tactical ballistic missile that formed the basis for the later Scud missile family.
-
C.
R-17
R-17 is the Soviet-designed short-range ballistic missile better known in the West by its NATO reporting name "Scud-B."
-
D.
R129
R129 is the fourth-generation Mercedes-Benz SL roadster, renowned for its advanced safety features, refined engineering, and iconic 1990s luxury grand-touring design.
-
E.
R2
R2 is the MBTA station code used to identify Ashmont station on Boston's Red Line transit system.
- 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: R211 Target entity description: The R211 is a modern class of New York City Subway cars designed to replace older rolling stock and improve reliability, capacity, and passenger amenities on lines including the BMT Canarsie Line.
-
A.
R11
R11 is the internal station code used by the New York City Subway for the Grand Central–42nd Street complex in Midtown Manhattan.
-
B.
R-11
R-11 is a Soviet short-range tactical ballistic missile that formed the basis for the later Scud missile family.
-
C.
R-17
R-17 is the Soviet-designed short-range ballistic missile better known in the West by its NATO reporting name "Scud-B."
-
D.
R129
R129 is the fourth-generation Mercedes-Benz SL roadster, renowned for its advanced safety features, refined engineering, and iconic 1990s luxury grand-touring design.
-
E.
R2
R2 is the MBTA station code used to identify Ashmont station on Boston's Red Line transit system.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway rolling stock
ⓘ
electric multiple unit ⓘ |
| brakeType | regenerative braking ⓘ |
| carbodyMaterial | stainless steel ⓘ |
| controlSystem | microprocessor‑based train control ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| designedFor |
enhanced passenger amenities
ⓘ
improved reliability ⓘ increased capacity ⓘ |
| designedForLine |
BMT Broadway Line
NERFINISHED
ⓘ
BMT Canarsie Line NERFINISHED ⓘ BMT Jamaica Line NERFINISHED ⓘ IND Eighth Avenue Line NERFINISHED ⓘ Staten Island Railway NERFINISHED ⓘ |
| designedToReplace |
R32
ⓘ
R42 ⓘ R44 ⓘ R46 ⓘ R62 ⓘ R62A ⓘ R68 ⓘ R68A ⓘ |
| doorConfiguration | wider doors than previous NTT cars ⓘ |
| enteredServiceOnLine |
A
ⓘ
C ⓘ E ⓘ J ⓘ Staten Island Railway NERFINISHED ⓘ Z ⓘ |
| family | NTT (New Technology Train) NERFINISHED ⓘ |
| feature |
USB charging outlets
ⓘ
digital information screens ⓘ enhanced passenger information systems ⓘ full‑color LED destination signs ⓘ improved lighting ⓘ onboard CCTV cameras ⓘ open‑gangway option on some sets ⓘ wheelchair spaces ⓘ |
| hasVariant |
R211A
ⓘ
R211S ⓘ R211T ⓘ |
| manufacturer |
Alstom
NERFINISHED
ⓘ
CRRC NERFINISHED ⓘ Kawasaki Heavy Industries NERFINISHED ⓘ |
| operator | New York City Transit Authority NERFINISHED ⓘ |
| owner | Metropolitan Transportation Authority ⓘ |
| powerSupply | 750 V DC third rail ⓘ |
| railwayNetwork | New York City Subway NERFINISHED ⓘ |
| successorOf |
R160
ⓘ
R179 ⓘ |
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: R211 Description of subject: The R211 is a modern class of New York City Subway cars designed to replace older rolling stock and improve reliability, capacity, and passenger amenities on lines including the BMT Canarsie Line.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
R211S
this entity surface form:
R211T
this entity surface form:
R-211