District of Columbia–Virginia border
E832296
The District of Columbia–Virginia border is the jurisdictional boundary separating Washington, D.C. from the state of Virginia, largely defined by the Potomac River and significant for its legal, political, and infrastructural implications in the U.S. capital region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| District of Columbia–Virginia border canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9972974 — 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: District of Columbia–Virginia border Context triple: [District of Columbia–Maryland border, relatedTo, District of Columbia–Virginia border]
-
A.
District of Columbia–Maryland border
The District of Columbia–Maryland border is the boundary line separating Washington, D.C. from the state of Maryland, running through both urban and natural areas in the region.
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B.
Virginia–West Virginia boundary
The Virginia–West Virginia boundary is the state line that separates Virginia from its northwestern neighbor West Virginia, following a historically contested course through the Appalachian region.
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C.
Maryland state line
The Maryland state line is the boundary separating the state of Maryland from its neighboring states, including Pennsylvania’s Bedford County.
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D.
Virginia–North Carolina border
The Virginia–North Carolina border is the state line separating Virginia and North Carolina in the eastern United States, running west–east from the Appalachian region toward the Atlantic coastal plain.
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E.
Maryland–West Virginia boundary (traditional)
The Maryland–West Virginia boundary (traditional) is the historic state line in the central Appalachian region whose course was long defined by early colonial surveys and landmarks such as the Fairfax Stone.
- 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: District of Columbia–Virginia border Target entity description: The District of Columbia–Virginia border is the jurisdictional boundary separating Washington, D.C. from the state of Virginia, largely defined by the Potomac River and significant for its legal, political, and infrastructural implications in the U.S. capital region.
-
A.
District of Columbia–Maryland border
The District of Columbia–Maryland border is the boundary line separating Washington, D.C. from the state of Maryland, running through both urban and natural areas in the region.
-
B.
Virginia–West Virginia boundary
The Virginia–West Virginia boundary is the state line that separates Virginia from its northwestern neighbor West Virginia, following a historically contested course through the Appalachian region.
-
C.
Maryland state line
The Maryland state line is the boundary separating the state of Maryland from its neighboring states, including Pennsylvania’s Bedford County.
-
D.
Virginia–North Carolina border
The Virginia–North Carolina border is the state line separating Virginia and North Carolina in the eastern United States, running west–east from the Appalachian region toward the Atlantic coastal plain.
-
E.
Maryland–West Virginia boundary (traditional)
The Maryland–West Virginia boundary (traditional) is the historic state line in the central Appalachian region whose course was long defined by early colonial surveys and landmarks such as the Fairfax Stone.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
interstate border
ⓘ
jurisdictional boundary ⓘ |
| adjacentTo |
Arlington County, Virginia
NERFINISHED
ⓘ
City of Alexandria, Virginia NERFINISHED ⓘ City of Falls Church, Virginia NERFINISHED ⓘ Fairfax County, Virginia NERFINISHED ⓘ Washington, D.C. NERFINISHED ⓘ |
| country | United States of America ⓘ |
| crossedBy |
14th Street Bridge complex
NERFINISHED
ⓘ
Arlington Memorial Bridge NERFINISHED ⓘ Francis Scott Key Bridge NERFINISHED ⓘ Theodore Roosevelt Bridge NERFINISHED ⓘ Woodrow Wilson Bridge NERFINISHED ⓘ |
| definedBy |
federal legislation
ⓘ
river thalweg and shoreline in various segments ⓘ |
| follows | Potomac River NERFINISHED ⓘ |
| governedBy |
federal constitutional provisions
ⓘ
interstate agreements ⓘ |
| hasAspect |
land boundary
ⓘ
water boundary ⓘ |
| hasInfrastructuralSignificance |
bridge and tunnel governance
ⓘ
cross-jurisdictional transportation planning ⓘ |
| hasLegalSignificance |
federal jurisdiction delineation
ⓘ
state jurisdiction delineation ⓘ |
| hasPoliticalSignificance | boundary of the U.S. federal capital ⓘ |
| historicallyRelatedTo |
cession of land by Virginia and Maryland
ⓘ
creation of the District of Columbia ⓘ retrocession of Alexandria to Virginia ⓘ |
| locatedInRegion |
Mid-Atlantic United States
NERFINISHED
ⓘ
Washington metropolitan area NERFINISHED ⓘ |
| near |
George Washington Memorial Parkway
NERFINISHED
ⓘ
Pentagon NERFINISHED ⓘ Ronald Reagan Washington National Airport NERFINISHED ⓘ |
| partOf |
borders of Virginia
ⓘ
borders of the District of Columbia ⓘ |
| relevantFor |
emergency services coordination
ⓘ
environmental regulation of the Potomac River ⓘ law enforcement jurisdiction ⓘ taxation jurisdiction ⓘ transportation regulation ⓘ |
| separates |
District of Columbia
NERFINISHED
ⓘ
Virginia NERFINISHED ⓘ |
| usedFor |
demarcation of municipal services responsibility
ⓘ
demarcation of voting districts ⓘ |
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: District of Columbia–Virginia border Description of subject: The District of Columbia–Virginia border is the jurisdictional boundary separating Washington, D.C. from the state of Virginia, largely defined by the Potomac River and significant for its legal, political, and infrastructural implications in the U.S. capital region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.