Washington Metro Silver Line
E446020
The Washington Metro Silver Line is a rapid transit line in the Washington, D.C. metropolitan area that extends service to Northern Virginia suburbs including Tysons and Reston.
All labels observed (9)
How this entity was disambiguated
This entity first appeared as the object of triple T3910239 — 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: Washington Metro Silver Line Context triple: [Spring Hill station, partOfNetwork, Washington Metro Silver Line]
-
A.
Washington Metro Green Line
The Washington Metro Green Line is a rapid transit line in the Washington, D.C. metropolitan area that runs north–south through the city and into surrounding suburbs, including Prince George’s County, Maryland.
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B.
Washington Metro Red Line
The Washington Metro Red Line is a major rapid transit route in the Washington, D.C. metropolitan area, running through key downtown and suburban corridors as part of the region’s primary subway system.
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C.
Metro Silver Line
The Metro Silver Line is a former branding used for certain Los Angeles County Metropolitan Transportation Authority bus services, particularly those operating as part of the region’s bus rapid transit network.
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D.
Washington Metro Yellow Line
The Washington Metro Yellow Line is a rapid transit line in the Washington, D.C. metropolitan area that runs north–south through the city and into Virginia, serving key hubs including downtown Washington and Alexandria.
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E.
Washington Metro
Washington Metro is the rapid transit system serving the Washington, D.C. metropolitan area, known for its extensive rail network connecting the city with its suburbs in Maryland and Virginia.
- 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: Washington Metro Silver Line Target entity description: The Washington Metro Silver Line is a rapid transit line in the Washington, D.C. metropolitan area that extends service to Northern Virginia suburbs including Tysons and Reston.
-
A.
Washington Metro Green Line
The Washington Metro Green Line is a rapid transit line in the Washington, D.C. metropolitan area that runs north–south through the city and into surrounding suburbs, including Prince George’s County, Maryland.
-
B.
Washington Metro Red Line
The Washington Metro Red Line is a major rapid transit route in the Washington, D.C. metropolitan area, running through key downtown and suburban corridors as part of the region’s primary subway system.
-
C.
Metro Silver Line
The Metro Silver Line is a former branding used for certain Los Angeles County Metropolitan Transportation Authority bus services, particularly those operating as part of the region’s bus rapid transit network.
-
D.
Washington Metro Yellow Line
The Washington Metro Yellow Line is a rapid transit line in the Washington, D.C. metropolitan area that runs north–south through the city and into Virginia, serving key hubs including downtown Washington and Alexandria.
-
E.
Washington Metro
Washington Metro is the rapid transit system serving the Washington, D.C. metropolitan area, known for its extensive rail network connecting the city with its suburbs in Maryland and Virginia.
- F. None of above. chosen
Statements (54)
| Predicate | Object |
|---|---|
| instanceOf |
Washington Metro line
ⓘ
rapid transit line ⓘ |
| airportStation | Dulles International Airport station NERFINISHED ⓘ |
| character |
at-grade
ⓘ
elevated ⓘ underground ⓘ |
| color | silver ⓘ |
| connectsCorridor | Dulles Corridor NERFINISHED ⓘ |
| constructionMethod | public–private partnership ⓘ |
| electrification | 750 V DC third rail ⓘ |
| hasStation |
Greensboro station
NERFINISHED
ⓘ
Herndon station NERFINISHED ⓘ Innovation Center station NERFINISHED ⓘ Loudoun Gateway station NERFINISHED ⓘ Reston Town Center station NERFINISHED ⓘ Spring Hill station NERFINISHED ⓘ Tysons Corner station NERFINISHED ⓘ Wiehle–Reston East station NERFINISHED ⓘ |
| interchangeWith |
Blue Line
NERFINISHED
ⓘ
Green Line NERFINISHED ⓘ Orange Line NERFINISHED ⓘ Red Line NERFINISHED ⓘ Yellow Line NERFINISHED ⓘ |
| lineColorOnMap | #A0A0A0 ⓘ |
| locale |
Northern Virginia
NERFINISHED
ⓘ
Prince George's County, Maryland NERFINISHED ⓘ Washington, D.C. NERFINISHED ⓘ |
| maintenanceFacility | Dulles Rail Yard NERFINISHED ⓘ |
| numberOfTracks | 2 ⓘ |
| opened | 2014-07-26 ⓘ |
| operator | Washington Metropolitan Area Transit Authority ⓘ |
| phase |
Phase 1
ⓘ
Phase 2 ⓘ |
| phase1Terminus | Wiehle–Reston East station NERFINISHED ⓘ |
| phase2ExtensionTo | Ashburn station NERFINISHED ⓘ |
| phase2Opened | 2022-11-15 ⓘ |
| planningName | Dulles Corridor Metrorail Project NERFINISHED ⓘ |
| primaryFundingAgency | Metropolitan Washington Airports Authority NERFINISHED ⓘ |
| servesAirport | Washington Dulles International Airport NERFINISHED ⓘ |
| servesCounty |
Fairfax County, Virginia
NERFINISHED
ⓘ
Loudoun County, Virginia NERFINISHED ⓘ |
| servesFederalDistrict | District of Columbia NERFINISHED ⓘ |
| servesMetropolitanArea | Washington, D.C. metropolitan area NERFINISHED ⓘ |
| servesState |
Maryland
NERFINISHED
ⓘ
Virginia NERFINISHED ⓘ |
| servesSuburb |
Herndon, Virginia
NERFINISHED
ⓘ
Reston, Virginia NERFINISHED ⓘ Tysons, Virginia NERFINISHED ⓘ |
| sharesTracksWith |
Blue Line
NERFINISHED
ⓘ
Orange Line NERFINISHED ⓘ |
| system | Washington Metro NERFINISHED ⓘ |
| terminus |
Ashburn station
NERFINISHED
ⓘ
Largo Town Center station NERFINISHED ⓘ |
| usesRailGauge | standard gauge ⓘ |
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: Washington Metro Silver Line Description of subject: The Washington Metro Silver Line is a rapid transit line in the Washington, D.C. metropolitan area that extends service to Northern Virginia suburbs including Tysons and Reston.
Referenced by (30)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Washington Metro Silver Line
linked to: Washington Metro Silver Line
linked to: Washington Metro Silver Line
linked to: Washington Metro Silver Line
linked to: Washington Metro Silver Line
linked to: Washington Metro Silver Line
linked to: Washington Metro Silver Line
linked to: Washington Metro Silver Line
linked to: Washington Metro Silver Line
linked to: Washington Metro Silver Line
linked to: Washington Metro Silver Line
linked to: Washington Metro Silver Line
linked to: Washington Metro Silver Line
linked to: Washington Metro Silver Line
linked to: Washington Metro Silver Line
linked to: Washington Metro Silver Line
subject linked to:
Largo
linked to: Washington Metro Silver Line
subject linked to:
Largo
linked to: Washington Metro Silver Line
linked to: Washington Metro Silver Line
subject linked to:
Blue Line and Orange Line
linked to: Washington Metro Silver Line
linked to: Washington Metro Silver Line
linked to: Washington Metro Silver Line