Jack Ruby
E27437
Jack Ruby was the Dallas nightclub owner who fatally shot Lee Harvey Oswald, the accused assassin of President John F. Kennedy, on live television in 1963.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jack Ruby canonical | 14 |
How this entity was disambiguated
This entity first appeared as the object of triple T210178 — 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: Jack Ruby Context triple: [Assassination of John F. Kennedy, relatedPerson, Jack Ruby]
-
A.
Lee Harvey Oswald
Lee Harvey Oswald was a former U.S. Marine who is widely believed to have shot and killed President John F. Kennedy in Dallas in 1963, though his guilt has remained the subject of extensive controversy and conspiracy theories.
-
B.
George Bannerman Dealey
George Bannerman Dealey was a prominent Dallas newspaper publisher and civic leader whose influence on the city led to several landmarks, including Dealey Plaza, bearing his name.
-
C.
Sirhan Sirhan
Sirhan Sirhan is a Palestinian immigrant who became infamous for assassinating U.S. Senator Robert F. Kennedy in Los Angeles in 1968.
-
D.
George "Machine Gun" Kelly
George "Machine Gun" Kelly was a notorious American gangster and Prohibition-era kidnapper whose high-profile crimes made him one of the early public enemies of the 1930s.
-
E.
John Wilkes Booth
John Wilkes Booth was an American stage actor and Confederate sympathizer best known for assassinating President Abraham Lincoln in 1865.
- 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: Jack Ruby Target entity description: Jack Ruby was the Dallas nightclub owner who fatally shot Lee Harvey Oswald, the accused assassin of President John F. Kennedy, on live television in 1963.
-
A.
Lee Harvey Oswald
Lee Harvey Oswald was a former U.S. Marine who is widely believed to have shot and killed President John F. Kennedy in Dallas in 1963, though his guilt has remained the subject of extensive controversy and conspiracy theories.
-
B.
George Bannerman Dealey
George Bannerman Dealey was a prominent Dallas newspaper publisher and civic leader whose influence on the city led to several landmarks, including Dealey Plaza, bearing his name.
-
C.
Sirhan Sirhan
Sirhan Sirhan is a Palestinian immigrant who became infamous for assassinating U.S. Senator Robert F. Kennedy in Los Angeles in 1968.
-
D.
George "Machine Gun" Kelly
George "Machine Gun" Kelly was a notorious American gangster and Prohibition-era kidnapper whose high-profile crimes made him one of the early public enemies of the 1930s.
-
E.
John Wilkes Booth
John Wilkes Booth was an American stage actor and Confederate sympathizer best known for assassinating President Abraham Lincoln in 1865.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
convicted murderer
ⓘ
human ⓘ nightclub owner ⓘ |
| allegedMotive |
avenging the death of President John F. Kennedy
ⓘ
desire to spare Jacqueline Kennedy the ordeal of a trial ⓘ |
| alsoKnownAs | Jack Ruby ⓘ |
| appealOutcome | conviction overturned on appeal in 1966 ⓘ |
| arrestedOn | 1963-11-24 ⓘ |
| associatedWith | Dallas Police Department (frequent visitor) ⓘ |
| birthDate | 1911-03-25 ⓘ |
| birthPlace | Chicago, Illinois, United States ⓘ |
| causeOfDeath | pulmonary embolism ⓘ |
| charge | murder of Lee Harvey Oswald ⓘ |
| citizenship | United States of America ⓘ |
| conflictParticipatedIn | World War II ⓘ |
| convictedOf | murder with malice ⓘ |
| convictionDate | 1964-03-14 ⓘ |
| dateOfEvent | 1963-11-24 ⓘ |
| deathDate | 1967-01-03 ⓘ |
| deathPlace |
Dallas, Texas
ⓘ
surface form:
Dallas, Texas, United States
|
| ethnicGroup | Jewish American ⓘ |
| event |
Killing of Lee Harvey Oswald
ⓘ
surface form:
Shooting of Lee Harvey Oswald
|
| foundByWarrenCommission | no evidence of conspiracy involving Ruby in JFK assassination ⓘ |
| fullName | Jacob Leon Rubenstein ⓘ |
| investigatedBy | Warren Commission ⓘ |
| knownFor | killing Lee Harvey Oswald ⓘ |
| mediaCoverage | killing of Oswald broadcast live on television ⓘ |
| medicalCondition | lung cancer ⓘ |
| methodOfKilling | Shooting with a handgun ⓘ |
| militaryService | United States Army Air Forces ⓘ |
| movedTo |
Dallas, Texas
ⓘ
surface form:
Dallas, Texas, United States
|
| movePeriod | early 1940s ⓘ |
| notableWork | Ownership and operation of the Carousel Club in Dallas ⓘ |
| occupation |
businessman
ⓘ
entertainment promoter ⓘ nightclub owner ⓘ |
| operatedBusiness |
Carousel Club
ⓘ
Vegas Club ⓘ |
| parentOccupation | factory worker (father) ⓘ |
| placeOfEvent |
Dallas Police Department
ⓘ
surface form:
Dallas Police Headquarters, Dallas, Texas, United States
|
| reasonForAppealDecision | procedural errors in original trial ⓘ |
| religion | Judaism ⓘ |
| sentence | death penalty ⓘ |
| statusAtDeath | awaiting new trial ⓘ |
| subjectOf | numerous conspiracy theories related to the Kennedy assassination ⓘ |
| trialHeldIn |
Dallas, Texas
ⓘ
surface form:
Dallas, Texas, United States
|
| victim | Lee Harvey Oswald ⓘ |
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: Jack Ruby Description of subject: Jack Ruby was the Dallas nightclub owner who fatally shot Lee Harvey Oswald, the accused assassin of President John F. Kennedy, on live television in 1963.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.