Birdman of Alcatraz
E91066
Birdman of Alcatraz is the infamous nickname of Robert Stroud, a convicted murderer who became renowned for his extensive study and care of birds while incarcerated.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Birdman of Alcatraz canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T773380 — 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: Birdman of Alcatraz Context triple: [Robert Stroud, nickname, Birdman of Alcatraz]
-
A.
film "Escape from Alcatraz"
"Escape from Alcatraz" is a 1979 prison thriller film starring Clint Eastwood that dramatizes the infamous 1962 escape attempt from the maximum-security federal penitentiary on Alcatraz Island.
-
B.
Dog Day Afternoon
Dog Day Afternoon is a 1975 New Hollywood crime drama film directed by Sidney Lumet, starring Al Pacino as a desperate bank robber in a story based on a real-life hostage situation.
-
C.
Dirty Harry
Dirty Harry is a music producer best known for his work on Alicia Keys' album "The Element of Freedom."
-
D.
Mystic River
Mystic River is a tidal estuary in the Greater Boston area of Massachusetts, historically significant for shipbuilding and industrial activity along its banks.
-
E.
Zodiac
"Zodiac" is a 2007 crime thriller film directed by David Fincher that chronicles the real-life hunt for the Zodiac Killer in late-1960s and 1970s California.
- 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: Birdman of Alcatraz Target entity description: Birdman of Alcatraz is the infamous nickname of Robert Stroud, a convicted murderer who became renowned for his extensive study and care of birds while incarcerated.
-
A.
film "Escape from Alcatraz"
"Escape from Alcatraz" is a 1979 prison thriller film starring Clint Eastwood that dramatizes the infamous 1962 escape attempt from the maximum-security federal penitentiary on Alcatraz Island.
-
B.
Dog Day Afternoon
Dog Day Afternoon is a 1975 New Hollywood crime drama film directed by Sidney Lumet, starring Al Pacino as a desperate bank robber in a story based on a real-life hostage situation.
-
C.
Dirty Harry
Dirty Harry is a music producer best known for his work on Alicia Keys' album "The Element of Freedom."
-
D.
Mystic River
Mystic River is a tidal estuary in the Greater Boston area of Massachusetts, historically significant for shipbuilding and industrial activity along its banks.
-
E.
Zodiac
"Zodiac" is a 2007 crime thriller film directed by David Fincher that chronicles the real-life hunt for the Zodiac Killer in late-1960s and 1970s California.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf | nickname ⓘ |
| causeOfDeath | natural causes ⓘ |
| convictedOf | murder ⓘ |
| convictionJurisdiction |
federal judiciary of the United States
ⓘ
surface form:
United States federal court
|
| country |
United States of America
ⓘ
surface form:
United States
|
| dateOfBirth | 1890-01-28 ⓘ |
| dateOfDeath | 1963-11-21 ⓘ |
| fieldOfWork |
avian pathology
ⓘ
canary breeding ⓘ |
| genre | true crime ⓘ |
| hasAlias |
Robert Stroud
ⓘ
surface form:
Robert Franklin Stroud
|
| hasGender | male ⓘ |
| hasPart |
film Birdman of Alcatraz
ⓘ
surface form:
Birdman of Alcatraz (film)
|
| heldInSolitaryConfinement | true ⓘ |
| incarcerationStart | 1909 ⓘ |
| inPopularCulture | symbol of prison reform debates ⓘ |
| inspired |
film Birdman of Alcatraz
ⓘ
surface form:
Birdman of Alcatraz (film)
|
| knownFor |
expertise in canary diseases
ⓘ
rehabilitation through scientific study ⓘ |
| languageOfWorks | English ⓘ |
| legalStatus | life imprisonment ⓘ |
| nationality | American ⓘ |
| notableFor |
care of birds in prison
ⓘ
developing bird medicines ⓘ extensive correspondence with bird breeders ⓘ study of birds in prison ⓘ |
| notableWork |
Diseases of Canaries
ⓘ
Stroud’s Digest on the Diseases of Birds ⓘ |
| occupation |
author
ⓘ
ornithologist ⓘ |
| placeOfBirth | Seattle, Washington, United States ⓘ |
| placeOfDeath |
Springfield, Missouri
ⓘ
surface form:
Springfield, Missouri, United States
|
| placeOfDetention |
Alcatraz Island
ⓘ
surface form:
Alcatraz Federal Penitentiary
United States Penitentiary, Leavenworth ⓘ
surface form:
Leavenworth Penitentiary
|
| portrayedBy | Burt Lancaster ⓘ |
| refersTo | Robert Stroud ⓘ |
| sentence | death sentence commuted to life imprisonment ⓘ |
| studied | ornithology ⓘ |
| subjectOf |
biographical books
ⓘ
documentaries ⓘ |
| transferredToAlcatraz | 1942 ⓘ |
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: Birdman of Alcatraz Description of subject: Birdman of Alcatraz is the infamous nickname of Robert Stroud, a convicted murderer who became renowned for his extensive study and care of birds while incarcerated.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Robert Stroud
subject surface form:
Robert Stroud