Red Line (Washington Metro) stations
E839370
Red Line (Washington Metro) stations are the passenger rail stops served by the Red Line of the Washington, D.C. Metrorail rapid transit system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Red Line (Washington Metro) stations canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10071817 — 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: Red Line (Washington Metro) stations Context triple: [Shady Grove station, category, Red Line (Washington Metro) stations]
-
A.
Silver Line (Washington Metro) stations
Silver Line (Washington Metro) stations are the passenger rail stops served by the Silver Line of the Washington, D.C. Metrorail system, primarily connecting downtown Washington with northern Virginia suburbs and Dulles International Airport.
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B.
Washington Metro Blue Line stations
Washington Metro Blue Line stations are the network of rapid transit stops in the Washington, D.C. metropolitan area served by the Blue Line of the Washington Metro system.
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C.
Washington Metro Orange Line stations
Washington Metro Orange Line stations are the network of rapid transit stops in the Washington, D.C. area served by the system’s Orange Line, connecting key downtown, suburban, and regional destinations.
-
D.
Orange Line (Washington Metro)
The Orange Line of the Washington Metro is a rapid transit line in the Washington, D.C. metropolitan area that runs generally east–west, connecting suburbs in Virginia and Maryland with downtown Washington.
-
E.
Blue Line (Washington Metro)
The Blue Line is one of the primary rapid transit lines of the Washington Metro system, running through downtown Washington, D.C., and connecting key locations in Virginia and Maryland.
- 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: Red Line (Washington Metro) stations Target entity description: Red Line (Washington Metro) stations are the passenger rail stops served by the Red Line of the Washington, D.C. Metrorail rapid transit system.
-
A.
Silver Line (Washington Metro) stations
Silver Line (Washington Metro) stations are the passenger rail stops served by the Silver Line of the Washington, D.C. Metrorail system, primarily connecting downtown Washington with northern Virginia suburbs and Dulles International Airport.
-
B.
Washington Metro Blue Line stations
Washington Metro Blue Line stations are the network of rapid transit stops in the Washington, D.C. metropolitan area served by the Blue Line of the Washington Metro system.
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C.
Washington Metro Orange Line stations
Washington Metro Orange Line stations are the network of rapid transit stops in the Washington, D.C. area served by the system’s Orange Line, connecting key downtown, suburban, and regional destinations.
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D.
Orange Line (Washington Metro)
The Orange Line of the Washington Metro is a rapid transit line in the Washington, D.C. metropolitan area that runs generally east–west, connecting suburbs in Virginia and Maryland with downtown Washington.
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E.
Blue Line (Washington Metro)
The Blue Line is one of the primary rapid transit lines of the Washington Metro system, running through downtown Washington, D.C., and connecting key locations in Virginia and Maryland.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
metro station
ⓘ
passenger rail station ⓘ |
| connectTo |
bus services
ⓘ
other Washington Metro lines at transfer stations ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | third rail ⓘ |
| fareCollection | proof-of-payment within paid area ⓘ |
| haveAccessibility | ADA accessible (most stations) ⓘ |
| haveArt | public art installations (selected stations) ⓘ |
| haveColor | red ⓘ |
| haveFeature |
bicycle racks
ⓘ
elevators ⓘ escalators ⓘ park and ride facilities ⓘ |
| haveInformationSystem | real-time train arrival displays ⓘ |
| haveLighting | artificial lighting ⓘ |
| havePlatformType |
island platform
ⓘ
side platform ⓘ |
| haveSeating | benches on platforms ⓘ |
| haveSecurity | WMATA Transit Police presence ⓘ |
| haveService |
all-day service
ⓘ
peak-hour service ⓘ |
| haveStructureType |
at-grade station
ⓘ
elevated station ⓘ underground station ⓘ |
| haveTrackGauge | standard gauge ⓘ |
| locatedIn |
Washington metropolitan area
ⓘ
surface form:
Washington, D.C. metropolitan area
|
| modeOfTransport | rapid transit ⓘ |
| opened | 1976 (first segment, including several Red Line stations) ⓘ |
| operator | Washington Metropolitan Area Transit Authority ⓘ |
| partOf | Washington Metro NERFINISHED ⓘ |
| safetyFeature |
CCTV surveillance
ⓘ
emergency call boxes ⓘ public address system ⓘ |
| serveCity | Washington, D.C. NERFINISHED ⓘ |
| serveCounty |
Montgomery County, Maryland
NERFINISHED
ⓘ
Prince George's County, Maryland NERFINISHED ⓘ |
| servedBy | Red Line (Washington Metro) NERFINISHED ⓘ |
| servePurpose |
commuter transport
ⓘ
tourist access to landmarks ⓘ |
| serveState |
District of Columbia
NERFINISHED
ⓘ
Maryland NERFINISHED ⓘ |
| system | Metrorail NERFINISHED ⓘ |
| ticketMedia | contactless smart card ⓘ |
| timezone | Eastern Time Zone ⓘ |
| useFareSystem |
SmarTrip
NERFINISHED
ⓘ
paper farecard (historical) ⓘ |
| useSignageStandard | WMATA signage ⓘ |
| useTicketBarrier | faregates ⓘ |
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: Red Line (Washington Metro) stations Description of subject: Red Line (Washington Metro) stations are the passenger rail stops served by the Red Line of the Washington, D.C. Metrorail rapid transit system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.