McPherson Square station (nearby on Blue/Orange/Silver Lines)
E687737
McPherson Square station is a Washington Metro station in downtown D.C. served by the Blue, Orange, and Silver Lines, providing access to major commercial and government areas near the White House.
All labels observed (1)
| Label | Occurrences |
|---|---|
| McPherson Square station (nearby on Blue/Orange/Silver Lines) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7772792 — 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: McPherson Square station (nearby on Blue/Orange/Silver Lines) Context triple: [K Street NW, hasPublicTransitAccessVia, McPherson Square station (nearby on Blue/Orange/Silver Lines)]
-
A.
Washington Metro Silver Line (nearby stations)
The Washington Metro Silver Line is a rapid transit line in the Washington, D.C. metropolitan area that extends service into Northern Virginia suburbs, including stations near Ashburn.
-
B.
Benning Road Metro station (Blue and Silver Lines)
Benning Road Metro station is an elevated Washington Metro station in Northeast Washington, D.C., served by the Blue and Silver Lines and providing access to nearby residential neighborhoods such as River Terrace.
-
C.
Kenmore station on MBTA Green Line (nearby)
Kenmore station on the MBTA Green Line is a major Boston transit hub near Fenway Park that serves multiple Green Line branches and connects riders to surrounding neighborhoods and commuter rail stations.
-
D.
MBTA Green Line D branch (nearby stations)
The MBTA Green Line D branch is a light rail line in Greater Boston that runs between downtown Boston and several western suburbs, including Newton, providing frequent local transit service.
-
E.
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.
- 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: McPherson Square station (nearby on Blue/Orange/Silver Lines) Target entity description: McPherson Square station is a Washington Metro station in downtown D.C. served by the Blue, Orange, and Silver Lines, providing access to major commercial and government areas near the White House.
-
A.
Washington Metro Silver Line (nearby stations)
The Washington Metro Silver Line is a rapid transit line in the Washington, D.C. metropolitan area that extends service into Northern Virginia suburbs, including stations near Ashburn.
-
B.
Benning Road Metro station (Blue and Silver Lines)
Benning Road Metro station is an elevated Washington Metro station in Northeast Washington, D.C., served by the Blue and Silver Lines and providing access to nearby residential neighborhoods such as River Terrace.
-
C.
Kenmore station on MBTA Green Line (nearby)
Kenmore station on the MBTA Green Line is a major Boston transit hub near Fenway Park that serves multiple Green Line branches and connects riders to surrounding neighborhoods and commuter rail stations.
-
D.
MBTA Green Line D branch (nearby stations)
The MBTA Green Line D branch is a light rail line in Greater Boston that runs between downtown Boston and several western suburbs, including Newton, providing frequent local transit service.
-
E.
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.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | Washington Metro station ⓘ |
| city | Washington, D.C. ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| electrification | third rail ⓘ |
| fareSystem | SmarTrip ⓘ |
| fareZoneSystem | flat fare system (distance- and time-based pricing) ⓘ |
| hasAccessibility | accessible for people with disabilities ⓘ |
| hasConnection | Metrobus services ⓘ |
| hasFareControl | faregates ⓘ |
| hasFeature |
elevators
ⓘ
escalators ⓘ station mezzanine ⓘ |
| hasPassengerInformationSystems | electronic displays ⓘ |
| hasPlatformType | island platform ⓘ |
| hasSafetySystems | public address system ⓘ |
| hasSecurity | CCTV surveillance ⓘ |
| hasServicePattern |
all-day service on Blue Line
ⓘ
all-day service on Orange Line ⓘ all-day service on Silver Line ⓘ |
| hasTicketing | vending machines ⓘ |
| hasTracks | 2 ⓘ |
| isInNetwork | Metrorail ⓘ |
| isUnderground | true ⓘ |
| locatedIn |
United States
ⓘ
linked to:
United States of America
Washington, D.C. ⓘ |
| locatedInDistrict | Northwest Washington, D.C. ⓘ |
| near |
McPherson Square
ⓘ
White House ⓘ federal office buildings ⓘ lobbying and law firm offices ⓘ |
| openingDate | 1977 ⓘ |
| operatedBy | Washington Metropolitan Area Transit Authority ⓘ |
| ownedBy | Washington Metropolitan Area Transit Authority ⓘ |
| partOfSystem | Washington Metro ⓘ |
| primaryUsage | commuter traffic ⓘ |
| providesAccessTo |
federal government offices near the White House
ⓘ
major commercial areas in downtown Washington, D.C. ⓘ |
| railGauge | standard gauge ⓘ |
| serves |
downtown Washington, D.C.
ⓘ
linked to:
Downtown Washington, D.C.
|
| servesArea |
K Street corridor
ⓘ
linked to:
K Street NW downtown corridor
Lafayette Square vicinity ⓘ |
| servesLine |
Blue Line (Washington Metro)
ⓘ
Orange Line (Washington Metro) ⓘ Silver Line (Washington Metro) ⓘ
linked to:
Silver Line
|
| 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: McPherson Square station (nearby on Blue/Orange/Silver Lines) Description of subject: McPherson Square station is a Washington Metro station in downtown D.C. served by the Blue, Orange, and Silver Lines, providing access to major commercial and government areas near the White House.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
K Street NW
→
hasPublicTransitAccessVia
→
McPherson Square station (nearby on Blue/Orange/Silver Lines)
ⓘ