Pentagon Metro station
E13317
Pentagon Metro station is a Washington, D.C.–area rapid transit station serving the Pentagon, functioning as a major transfer point in the Washington Metro system.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Pentagon station | 4 |
| Pentagon Metro station canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T88200 — 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: Pentagon Metro station Context triple: [Pentagon, connectedBy, Pentagon Metro station]
-
A.
Foggy Bottom–GWU station
Foggy Bottom–GWU station is a Washington, D.C. Metrorail station on the Blue, Orange, and Silver lines serving the George Washington University campus and nearby landmarks including the Kennedy Center.
-
B.
Moscow Metro
The Moscow Metro is a major rapid transit system in Moscow renowned for its extensive network, high passenger capacity, and ornately decorated stations often likened to underground palaces.
-
C.
Belmont Center station
Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
-
D.
Ayer station
Ayer station is a commuter rail stop in Ayer, Massachusetts that serves as a local transit hub on the MBTA Fitchburg Line.
-
E.
Union Station
Union Station is a historic Beaux-Arts transportation hub and major intercity rail terminal in Washington, D.C., serving as a gateway to the U.S. capital.
- 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: Pentagon Metro station Target entity description: Pentagon Metro station is a Washington, D.C.–area rapid transit station serving the Pentagon, functioning as a major transfer point in the Washington Metro system.
-
A.
Foggy Bottom–GWU station
Foggy Bottom–GWU station is a Washington, D.C. Metrorail station on the Blue, Orange, and Silver lines serving the George Washington University campus and nearby landmarks including the Kennedy Center.
-
B.
Moscow Metro
The Moscow Metro is a major rapid transit system in Moscow renowned for its extensive network, high passenger capacity, and ornately decorated stations often likened to underground palaces.
-
C.
Belmont Center station
Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
-
D.
Ayer station
Ayer station is a commuter rail stop in Ayer, Massachusetts that serves as a local transit hub on the MBTA Fitchburg Line.
-
E.
Union Station
Union Station is a historic Beaux-Arts transportation hub and major intercity rail terminal in Washington, D.C., serving as a gateway to the U.S. capital.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Washington Metro station
ⓘ
rapid transit station ⓘ |
| address | 2 South Rotary Road, Arlington, Virginia ⓘ |
| adjacentTo |
Pentagon
ⓘ
surface form:
The Pentagon Reservation
|
| category |
Railway stations in Arlington County, Virginia
ⓘ
Railway stations in the United States opened in 1977 ⓘ Blue Line (Washington Metro) ⓘ
surface form:
Washington Metro Blue Line stations
Washington Metro Yellow Line stations ⓘ |
| connectsTo |
Pentagon
ⓘ
surface form:
Pentagon Transit Center
|
| country |
United States of America
ⓘ
surface form:
United States
|
| distanceFromDowntownDC | approximately 2 miles southwest of the National Mall ⓘ |
| fareCollection | faregates at mezzanine level ⓘ |
| fareZone | regular WMATA fare zone ⓘ |
| hasBusConnections |
Pentagon
ⓘ
surface form:
Pentagon Transit Center
|
| hasEntrance |
Pentagon
ⓘ
surface form:
Pentagon North Entrance
Pentagon ⓘ
surface form:
Pentagon South Entrance
|
| hasFeature |
accessible
ⓘ
bicycle facilities ⓘ bus bays ⓘ elevators ⓘ escalators ⓘ |
| hasLighting | fluorescent lighting ⓘ |
| hasSignage | WMATA standard signage ⓘ |
| hasTicketing | SmarTrip card vending machines ⓘ |
| isOnSystemMap | Washington Metro system map ⓘ |
| line |
Blue Line
ⓘ
Yellow Line ⓘ |
| locatedIn |
Arlington, Virginia
ⓘ
surface form:
Arlington County, Virginia
United States of America ⓘ
surface form:
United States
|
| mapColorBlueLine | #0078C8 ⓘ |
| mapColorYellowLine | #F5D130 ⓘ |
| near | Arlington National Cemetery ⓘ |
| numberOfTracks | 2 ⓘ |
| opened | 1977-07-01 ⓘ |
| openingDate | 1977-07-01 ⓘ |
| operatedBy | Washington Metropolitan Area Transit Authority ⓘ |
| ownedBy | Washington Metropolitan Area Transit Authority ⓘ |
| parking | no public parking ⓘ |
| partOf | Washington Metro ⓘ |
| platformConfiguration | 2 side platforms ⓘ |
| safetyFeature |
CCTV surveillance
ⓘ
emergency call boxes ⓘ post-9/11 security enhancements ⓘ |
| securityStatus | located within high-security federal facility area ⓘ |
| servedBy |
Metrobus
ⓘ
regional commuter buses ⓘ |
| serves |
Pentagon
ⓘ
surface form:
The Pentagon
|
| servesAs | major transfer point in Washington Metro system ⓘ |
| stationCode | C07 ⓘ |
| structureType | underground station ⓘ |
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: Pentagon Metro station Description of subject: Pentagon Metro station is a Washington, D.C.–area rapid transit station serving the Pentagon, functioning as a major transfer point in the Washington Metro system.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Yellow Line (Washington Metro)
this entity surface form:
Pentagon station
this entity surface form:
Pentagon station
this entity surface form:
Pentagon station
subject surface form:
Blue Line (Washington Metro)
this entity surface form:
Pentagon station