Grassy Knoll

E6806

geographic feature urban park area

The Grassy Knoll is a small, sloping, tree-lined area in Dallas, Texas, best known as a focal point of conspiracy theories surrounding the assassination of President John F. Kennedy.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (3)

Label	Occurrences
Grassy Knoll canonical	6
Grassy Knoll at Dealey Plaza	1
grassy knoll area of Dealey Plaza	1

How this entity was disambiguated

This entity first appeared as the object of triple T65035 — 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: Grassy Knoll
Context triple: [Dealey Plaza, hasPart, Grassy Knoll]

A. Silver Hill
Silver Hill is a small commuter rail station in Weston, Massachusetts, served by the MBTA's Fitchburg Line.
B. Dealey Plaza
Dealey Plaza is a historic public square in downtown Dallas best known as the site of President John F. Kennedy’s assassination in 1963.
C. Haymarket
Haymarket is a small historic town in Prince William County, Northern Virginia, known for its quaint downtown and proximity to Washington, D.C.
D. Seven Corners
Seven Corners is a densely developed commercial and residential area in Fairfax County, Northern Virginia, known for its major road junction and large shopping centers.
E. Altmark Incident
The Altmark Incident was a 1940 World War II naval confrontation in Norwegian waters, where British forces boarded the German tanker Altmark to free imprisoned Allied sailors, heightening tensions during the early "Phoney War" period.
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: Grassy Knoll
Target entity description: The Grassy Knoll is a small, sloping, tree-lined area in Dallas, Texas, best known as a focal point of conspiracy theories surrounding the assassination of President John F. Kennedy.

A. Silver Hill
Silver Hill is a small commuter rail station in Weston, Massachusetts, served by the MBTA's Fitchburg Line.
B. Dealey Plaza
Dealey Plaza is a historic public square in downtown Dallas best known as the site of President John F. Kennedy’s assassination in 1963.
C. Haymarket
Haymarket is a small historic town in Prince William County, Northern Virginia, known for its quaint downtown and proximity to Washington, D.C.
D. Seven Corners
Seven Corners is a densely developed commercial and residential area in Fairfax County, Northern Virginia, known for its major road junction and large shopping centers.
E. Altmark Incident
The Altmark Incident was a 1940 World War II naval confrontation in Norwegian waters, where British forces boarded the German tanker Altmark to free imprisoned Allied sailors, heightening tensions during the early "Phoney War" period.
F. None of above. chosen

Statements (43)

Predicate	Object
instanceOf	geographic feature ⓘ urban park area ⓘ
adjacentTo	Dealey Plaza reflecting pool ⓘ linked to: Dealey Plaza Elm Street ⓘ
appearsIn	films dramatizing the JFK assassination ⓘ numerous JFK assassination documentaries ⓘ numerous books about the JFK assassination ⓘ
associatedWithDate	1963-11-22 ⓘ
associatedWithEvent	assassination of John F. Kennedy ⓘ
associatedWithPerson	Abraham Zapruder ⓘ John F. Kennedy ⓘ Lee Harvey Oswald ⓘ
category	Conspiracy theory locations ⓘ JFK assassination sites ⓘ Parks in Dallas ⓘ
governedBy	City of Dallas ⓘ linked to: Dallas, Texas
hasCharacteristic	grassy ⓘ sloping ⓘ small ⓘ tree-lined ⓘ
hasCulturalReference	symbol of government conspiracy in American culture ⓘ
hasNameOrigin	descriptive term referring to its grassy, knoll-like shape ⓘ
hasNearbyMemorial	John F. Kennedy Memorial Plaza ⓘ linked to: John F. Kennedy Plaza
hasNearbyMuseum	The Sixth Floor Museum at Dealey Plaza ⓘ
hasNearbyStructure	concrete retaining wall ⓘ pergola ⓘ stockade fence ⓘ
hasRoleIn	conspiracy theories about the assassination of John F. Kennedy ⓘ
hasViewOf	Elm Street motorcade route ⓘ
locatedIn	Dallas ⓘ linked to: Dallas, Texas Dallas County ⓘ linked to: Dallas County, Texas Dealey Plaza ⓘ Texas ⓘ United States ⓘ linked to: United States of America
near	John F. Kennedy assassination site ⓘ Texas School Book Depository ⓘ
notableFor	being alleged location of a second gunman in JFK assassination theories ⓘ prominence in JFK assassination research and popular culture ⓘ
partOf	Dealey Plaza National Historic Landmark District ⓘ linked to: Dealey Plaza downtown Dallas ⓘ linked to: Downtown Dallas
touristAttraction	true ⓘ
visitedFor	JFK assassination tours ⓘ historical significance ⓘ

How these facts were elicited

Referenced by (8)

Full triples — surface form annotated when it differs from this entity's canonical label.

Dealey Plaza → hasPart → Grassy Knoll ⓘ

Triple Underpass → adjacentTo → Grassy Knoll ⓘ

Elm Street (Dallas) → near → Grassy Knoll ⓘ

subject linked to: Elm Street

Texas School Book Depository → locatedNear → Grassy Knoll ⓘ

Houston Street (Dallas) → passesNear → Grassy Knoll ⓘ

subject linked to: Houston Street

The Sixth Floor Museum at Dealey Plaza → near → Grassy Knoll at Dealey Plaza ⓘ

linked to: Grassy Knoll

Dallas County Administration Building → hasNearby → Grassy Knoll ⓘ

Zapruder film → depicts → grassy knoll area of Dealey Plaza ⓘ