Arlington County

E210813

county urban county

Arlington County is an urban county in Northern Virginia, directly across the Potomac River from Washington, D.C., known for its dense development, federal government presence, and landmarks such as the Pentagon and Arlington National Cemetery.

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All labels observed (3)

Label	Occurrences
Arlington County, Virginia	147
Arlington County canonical	17
Arlington County, Virginia, United States	1

How this entity was disambiguated

This entity first appeared as the object of triple T1088680 — 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: Arlington County
Context triple: [MedStar Capitals Iceplex, county, Arlington County]

A. Fairfax County, Virginia
Fairfax County, Virginia is a populous and affluent suburban county in Northern Virginia that borders Washington, D.C. and serves as a major economic and governmental hub in the region.
B. Fairfax District
The Fairfax District is a historic Los Angeles neighborhood known for its Jewish cultural heritage, popular shopping and dining along Fairfax Avenue, and proximity to landmarks like The Grove and the Original Farmers Market.
C. Falls Church
Falls Church is an independent city in Northern Virginia, near Washington, D.C., known for its small size, historic character, and suburban residential communities.
D. Loudoun County, Virginia
Loudoun County, Virginia is a rapidly growing suburban county in Northern Virginia known for its affluent communities, technology and data center corridor, and proximity to Washington, D.C.
E. Fairfax, Virginia
Fairfax, Virginia is an independent city in Northern Virginia that serves as a major suburban community within the Washington, D.C. metropolitan area.
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: Arlington County
Target entity description: Arlington County is an urban county in Northern Virginia, directly across the Potomac River from Washington, D.C., known for its dense development, federal government presence, and landmarks such as the Pentagon and Arlington National Cemetery.

A. Fairfax County, Virginia
Fairfax County, Virginia is a populous and affluent suburban county in Northern Virginia that borders Washington, D.C. and serves as a major economic and governmental hub in the region.
B. Fairfax District
The Fairfax District is a historic Los Angeles neighborhood known for its Jewish cultural heritage, popular shopping and dining along Fairfax Avenue, and proximity to landmarks like The Grove and the Original Farmers Market.
C. Falls Church
Falls Church is an independent city in Northern Virginia, near Washington, D.C., known for its small size, historic character, and suburban residential communities.
D. Loudoun County, Virginia
Loudoun County, Virginia is a rapidly growing suburban county in Northern Virginia known for its affluent communities, technology and data center corridor, and proximity to Washington, D.C.
E. Fairfax, Virginia
Fairfax, Virginia is an independent city in Northern Virginia that serves as a major suburban community within the Washington, D.C. metropolitan area.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	county ⓘ urban county ⓘ
adjacentTo	City of Alexandria, Virginia ⓘ Fairfax County, Virginia ⓘ
borderedByRiver	Potomac River ⓘ
contains	Arlington National Cemetery ⓘ Ballston ⓘ Clarendon ⓘ Columbia Pike ⓘ surface form: Columbia Pike corridor Crystal City ⓘ Pentagon City ⓘ Ronald Reagan Washington National Airport ⓘ Rosslyn ⓘ Pentagon ⓘ surface form: The Pentagon
country	United States of America ⓘ surface form: United States
countySeat	Arlington, Virginia ⓘ
federalDistrictNeighbor	District of Columbia ⓘ
fipsCode	51013 ⓘ
governmentType	county government ⓘ
hasLandmark	Air Force Memorial ⓘ Arlington House plantation ⓘ surface form: Arlington House, The Robert E. Lee Memorial Marine Corps War Memorial ⓘ Tomb of the Unknown Soldier ⓘ
hasMajorEmployer	Department of Defense ⓘ surface form: United States Department of Defense United States Department of Homeland Security ⓘ federal government agencies ⓘ
hasPolicyReputationFor	smart growth planning ⓘ transit-oriented development ⓘ
isoCode	Virginia ⓘ surface form: US-VA
knownFor	Arlington National Cemetery ⓘ Pentagon ⓘ surface form: The Pentagon dense urban development ⓘ federal government presence ⓘ
locatedAcrossRiverFrom	Washington, D.C. ⓘ
locatedIn	Virginia ⓘ surface form: Commonwealth of Virginia Northern Virginia ⓘ Washington metropolitan area ⓘ
namedAfter	Arlington House plantation ⓘ surface form: Arlington House
partOf	Washington metropolitan area ⓘ surface form: United States Census Bureau’s Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area
state	Virginia ⓘ
subdivisionOf	Virginia ⓘ
timeZone	Eastern Time Zone ⓘ
transportServedBy	Arlington Transit bus service ⓘ surface form: ART (Arlington Transit) Metrobus ⓘ Metrorail Blue Line ⓘ Metrorail Orange Line ⓘ Washington Metro Silver Line ⓘ surface form: Metrorail Silver Line Washington Metro ⓘ

How these facts were elicited