WMATA 5000-series railcar
E129777
The WMATA 5000-series railcar is a generation of Washington Metro rapid transit cars built for improved performance and passenger amenities, used across multiple lines in the system.
All labels observed (3)
| Label | Occurrences |
|---|---|
| 5000-series Washington Metro railcar | 1 |
| WMATA 5000-series railcar canonical | 1 |
| WMATA railcar series | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1091373 — 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: WMATA 5000-series railcar Context triple: [Washington Metro Yellow Line, rollingStock, WMATA 5000-series railcar]
-
A.
WMATA 3000-series railcar
The WMATA 3000-series railcar is a generation of Washington Metro rapid transit vehicles used across multiple lines in the system, featuring stainless-steel construction and updated interiors compared to earlier series.
-
B.
WMATA 2000-series railcar
The WMATA 2000-series railcar is a generation of Washington Metro rapid transit vehicles used across the system’s lines, featuring stainless-steel construction and updated interiors compared to earlier fleets.
-
C.
MBTA Type 7 Light Rail Vehicle
The MBTA Type 7 Light Rail Vehicle is a high-floor, articulated streetcar used on Boston’s Green Line, known for its distinctive design and role as one of the system’s primary light rail fleets.
-
D.
MBTA Type 9 Light Rail Vehicle
The MBTA Type 9 Light Rail Vehicle is a modern, low-floor streetcar used on Boston’s Green Line that features improved accessibility, passenger comfort, and energy efficiency compared to earlier MBTA light rail fleets.
-
E.
MBTA Type 8 Light Rail Vehicle
The MBTA Type 8 Light Rail Vehicle is a low-floor, articulated streetcar used on Boston’s Green Line, designed to improve accessibility and passenger capacity on the system’s light rail routes.
- 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: WMATA 5000-series railcar Target entity description: The WMATA 5000-series railcar is a generation of Washington Metro rapid transit cars built for improved performance and passenger amenities, used across multiple lines in the system.
-
A.
WMATA 3000-series railcar
The WMATA 3000-series railcar is a generation of Washington Metro rapid transit vehicles used across multiple lines in the system, featuring stainless-steel construction and updated interiors compared to earlier series.
-
B.
WMATA 2000-series railcar
The WMATA 2000-series railcar is a generation of Washington Metro rapid transit vehicles used across the system’s lines, featuring stainless-steel construction and updated interiors compared to earlier fleets.
-
C.
MBTA Type 7 Light Rail Vehicle
The MBTA Type 7 Light Rail Vehicle is a high-floor, articulated streetcar used on Boston’s Green Line, known for its distinctive design and role as one of the system’s primary light rail fleets.
-
D.
MBTA Type 9 Light Rail Vehicle
The MBTA Type 9 Light Rail Vehicle is a modern, low-floor streetcar used on Boston’s Green Line that features improved accessibility, passenger comfort, and energy efficiency compared to earlier MBTA light rail fleets.
-
E.
MBTA Type 8 Light Rail Vehicle
The MBTA Type 8 Light Rail Vehicle is a low-floor, articulated streetcar used on Boston’s Green Line, designed to improve accessibility and passenger capacity on the system’s light rail routes.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Washington Metro rolling stock
ⓘ
rapid transit railcar ⓘ |
| belongsToSeries |
WMATA railcar series
ⓘ
linked to:
WMATA 5000-series railcar
|
| brakeType | electro-pneumatic brakes ⓘ |
| builtFor | Washington Metropolitan Area Transit Authority ⓘ |
| carbodyMaterial | stainless steel ⓘ |
| compatibleWith |
WMATA 1000-series railcar
ⓘ
WMATA 2000-series railcar ⓘ WMATA 3000-series railcar ⓘ WMATA 4000-series railcar ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| couplingType | automatic coupler ⓘ |
| designedFor |
high-frequency metro service
ⓘ
high-platform boarding ⓘ multiple-unit operation ⓘ |
| designedTo |
enhance passenger comfort
ⓘ
improve performance over previous series ⓘ |
| doorConfiguration | multiple side doors per car ⓘ |
| doorType | sliding pocket doors ⓘ |
| electrificationSystem | 750 V DC third rail ⓘ |
| features |
air conditioning
ⓘ
automated announcements ⓘ electronic destination signs ⓘ enhanced acceleration and braking performance ⓘ improved passenger amenities ⓘ |
| fleetRole | revenue service railcar ⓘ |
| floorHeight | level with station platforms ⓘ |
| introducedAs | successor to earlier WMATA railcar series ⓘ |
| manufacturer |
Alstom
ⓘ
linked to:
Alstom (formerly Bombardier Transportation)
CAF ⓘ |
| operatesIn |
District of Columbia
ⓘ
Maryland ⓘ Virginia ⓘ |
| operationalContext | urban mass transit ⓘ |
| operator | Washington Metropolitan Area Transit Authority ⓘ |
| powerCollectionMethod | third rail ⓘ |
| primaryCityServed | Washington, D.C. ⓘ |
| railwayNetwork |
Washington Metro rail network
ⓘ
linked to:
Washington Metro
|
| safetySystems | automatic train control compatibility ⓘ |
| serviceType | rapid transit ⓘ |
| system | Washington Metro ⓘ |
| trackGauge | standard gauge ⓘ |
| usedFor | passenger transport ⓘ |
| usedOnLine |
Blue Line (Washington Metro)
ⓘ
Green Line (Washington Metro) ⓘ
linked to:
Washington Metro Green Line
Orange Line (Washington Metro) ⓘ Red Line (Washington Metro) ⓘ
linked to:
Washington Metro Red Line
Yellow Line (Washington Metro) ⓘ
linked to:
Washington Metro Yellow Line
|
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: WMATA 5000-series railcar Description of subject: The WMATA 5000-series railcar is a generation of Washington Metro rapid transit cars built for improved performance and passenger amenities, used across multiple lines in the system.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: WMATA 5000-series railcar
linked to: WMATA 5000-series railcar