Martín Bryant
E840731
Australian criminal
firearms control policy
firearms legislation reform
human
mass murderer
mass shooting
Martín Bryant is an Australian mass murderer responsible for the 1996 Port Arthur massacre in Tasmania, one of the deadliest shootings in modern history.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Martin John Bryant | 1 |
| Martín Bryant canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10082662 — 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: Martín Bryant Context triple: [Bryant, isBorneBy, Martín Bryant]
-
A.
Gabriel Harris
Gabriel Harris is an American percussionist and musician best known for his work with his mother, folk singer and activist Joan Baez, as well as other world and folk music artists.
-
B.
Eric Robert Rudolph
Eric Robert Rudolph is an American domestic terrorist and former fugitive best known for carrying out a series of bombings in the late 1990s, including attacks on the 1996 Atlanta Olympics and abortion clinics.
-
C.
Henry Bowers
Henry Bowers is a sadistic teenage bully and one of the primary human antagonists in the 2017 horror film adaptation of Stephen King’s "It."
-
D.
Andrew Cunanan
Andrew Cunanan was an American spree killer best known for a 1997 cross-country murder rampage that culminated in the assassination of fashion designer Gianni Versace in Miami Beach.
-
E.
Tarus Mateen
Tarus Mateen is an American jazz bassist known for his versatile work in contemporary jazz and collaborations with leading modern improvisers.
- 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: Martín Bryant Target entity description: Martín Bryant is an Australian mass murderer responsible for the 1996 Port Arthur massacre in Tasmania, one of the deadliest shootings in modern history.
-
A.
Gabriel Harris
Gabriel Harris is an American percussionist and musician best known for his work with his mother, folk singer and activist Joan Baez, as well as other world and folk music artists.
-
B.
Eric Robert Rudolph
Eric Robert Rudolph is an American domestic terrorist and former fugitive best known for carrying out a series of bombings in the late 1990s, including attacks on the 1996 Atlanta Olympics and abortion clinics.
-
C.
Henry Bowers
Henry Bowers is a sadistic teenage bully and one of the primary human antagonists in the 2017 horror film adaptation of Stephen King’s "It."
-
D.
Andrew Cunanan
Andrew Cunanan was an American spree killer best known for a 1997 cross-country murder rampage that culminated in the assassination of fashion designer Gianni Versace in Miami Beach.
-
E.
Tarus Mateen
Tarus Mateen is an American jazz bassist known for his versatile work in contemporary jazz and collaborations with leading modern improvisers.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Australian criminal
ⓘ
firearms control policy ⓘ firearms legislation reform ⓘ human ⓘ mass murderer ⓘ mass shooting ⓘ |
| causeOfNotoriety | one of the deadliest mass shootings in modern history ⓘ |
| convictedOf |
aggravated assault
ⓘ
arson ⓘ attempted murder ⓘ murder ⓘ |
| country |
Australia
ⓘ
Australia ⓘ Australia ⓘ |
| countryOfCitizenship | Australia ⓘ |
| date |
1996-04-28
ⓘ
1996-04-29 ⓘ |
| dateOfBirth | 1967-05-07 ⓘ |
| dateOfCrime |
1996-04-28
ⓘ
1996-04-29 ⓘ |
| dateOfGuiltyPlea | 1996-11-07 ⓘ |
| educationLevel | limited formal education ⓘ |
| familyName | Bryant ⓘ |
| fullName |
Martin John Bryant
ⓘ
linked to:
Martín Bryant
|
| gender | male ⓘ |
| givenName | Martin ⓘ |
| implementedBy |
Australian federal government
ⓘ
linked to:
Australian government
|
| language | English ⓘ |
| legalStatus | convicted ⓘ |
| location |
Port Arthur, Tasmania, Australia
ⓘ
linked to:
Port Arthur
|
| mentalHealthAssessment | intellectual disability (low IQ) ⓘ |
| notableFor | Port Arthur massacre ⓘ |
| numberOfDeaths | 35 ⓘ |
| numberOfInjured | 23 ⓘ |
| numberOfVictimsInjured | 23 ⓘ |
| numberOfVictimsKilled | 35 ⓘ |
| paroleEligibility | no parole ⓘ |
| partOf | National Firearms Agreement ⓘ |
| perpetratorOf | Port Arthur massacre ⓘ |
| placeOfBirth |
Hobart, Tasmania, Australia
ⓘ
linked to:
Hobart
|
| placeOfDetention |
Risers Prison Complex, Hobart, Tasmania, Australia
ⓘ
linked to:
Risdon Prison Complex
|
| pleaded | guilty ⓘ |
| residenceBeforeArrest |
New Town, Hobart, Tasmania, Australia
ⓘ
linked to:
New Town, Hobart
|
| sentencedTo | life imprisonment ⓘ |
| triggered | Australian gun law reforms ⓘ |
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: Martín Bryant Description of subject: Martín Bryant is an Australian mass murderer responsible for the 1996 Port Arthur massacre in Tasmania, one of the deadliest shootings in modern history.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.