R179
E562655
The R179 is a class of New York City Subway rolling stock built for the B Division, primarily serving lines such as the Canarsie Line with modern features and improved reliability over older car classes.
All labels observed (2)
| Label | Occurrences |
|---|---|
| R179 canonical | 3 |
| R179 (occasionally, historically/temporarily) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6013820 — 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: R179 Context triple: [BMT Canarsie Line, hasRollingStock, R179]
-
A.
R-17
R-17 is the Soviet-designed short-range ballistic missile better known in the West by its NATO reporting name "Scud-B."
-
B.
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.
-
C.
R107
R107 is the long-running second generation of the Mercedes-Benz SL roadster, produced from the early 1970s to late 1980s and renowned for its durability, safety, and classic styling.
-
D.
R91
R91 is the hull number of the French Navy's flagship aircraft carrier Charles de Gaulle, the country's first nuclear-powered surface vessel.
-
E.
R70
R70 is a London bus route that provides public transport connections to and from Hampton and surrounding areas.
- 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: R179 Target entity description: The R179 is a class of New York City Subway rolling stock built for the B Division, primarily serving lines such as the Canarsie Line with modern features and improved reliability over older car classes.
-
A.
R-17
R-17 is the Soviet-designed short-range ballistic missile better known in the West by its NATO reporting name "Scud-B."
-
B.
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.
-
C.
R107
R107 is the long-running second generation of the Mercedes-Benz SL roadster, produced from the early 1970s to late 1980s and renowned for its durability, safety, and classic styling.
-
D.
R91
R91 is the hull number of the French Navy's flagship aircraft carrier Charles de Gaulle, the country's first nuclear-powered surface vessel.
-
E.
R70
R70 is a London bus route that provides public transport connections to and from Hampton and surrounding areas.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway rolling stock
ⓘ
electric multiple unit ⓘ |
| brakeType |
electrodynamic braking
ⓘ
friction braking ⓘ |
| carbodyMaterial | stainless steel ⓘ |
| carHeight | approximately 12 feet ⓘ |
| carLength | 60 feet ⓘ |
| carWidth | 10 feet ⓘ |
| cityOfOperation | New York City ⓘ |
| compatibleWith | B Division signaling systems ⓘ |
| countryOfOperation |
United States
ⓘ
linked to:
United States of America
|
| designedFor |
New York City Subway B Division lines
ⓘ
linked to:
Brooklyn–Manhattan Transit (BMT) lines
high-capacity urban rapid transit ⓘ |
| designedToImprove |
energy efficiency
ⓘ
passenger comfort ⓘ reliability over older car classes ⓘ |
| division | B Division ⓘ |
| doorConfiguration | 8 side doors per car ⓘ |
| doorType | sliding pocket doors ⓘ |
| enteredServiceInDecade | 2010s ⓘ |
| features |
automated announcements
ⓘ
modern HVAC systems ⓘ onboard electronic information displays ⓘ security cameras ⓘ wheelchair-accessible spaces ⓘ |
| fleetRole | passenger service ⓘ |
| hasCrashEnergyManagementFeatures | yes ⓘ |
| hasDigitalSignage | yes ⓘ |
| hasEventRecorder | yes ⓘ |
| hasIntercomSystem | yes ⓘ |
| hasModernFeatures | yes ⓘ |
| lineExample |
Canarsie Line (L service)
ⓘ
linked to:
BMT Canarsie Line
|
| manufacturer |
Bombardier Transportation
ⓘ
linked to:
Bombardier
|
| operatesOn |
New York City Subway B Division routes
ⓘ
linked to:
Brooklyn–Manhattan Transit (BMT) lines
|
| operator |
Metropolitan Transportation Authority
ⓘ
New York City Transit Authority ⓘ |
| powerCollectionMethod | third rail ⓘ |
| propulsionType | AC traction motors ⓘ |
| replaces |
R32
ⓘ
R42 ⓘ some R40 cars ⓘ |
| system | New York City Subway ⓘ |
| thirdRailVoltage | 600 V DC ⓘ |
| uses | standard gauge track ⓘ |
| usesAutomaticTrainControlInterfaces | yes ⓘ |
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: R179 Description of subject: The R179 is a class of New York City Subway rolling stock built for the B Division, primarily serving lines such as the Canarsie Line with modern features and improved reliability over older car classes.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: R179