Anders Behring Breivik
E518498
Anders Behring Breivik is a Norwegian far-right extremist responsible for the 2011 mass killings in Oslo and on the island of Utøya.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Anders Behring Breivik canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5426485 — 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: Anders Behring Breivik Context triple: [2011 Norway attacks, perpetrator, Anders Behring Breivik]
-
A.
Tamerlan Tsarnaev
Tamerlan Tsarnaev was a Kyrgyzstani-born American resident and Islamist extremist who, along with his younger brother Dzhokhar, carried out the deadly 2013 Boston Marathon bombing.
-
B.
Dzhokhar Tsarnaev
Dzhokhar Tsarnaev is a Kyrgyz-American convicted terrorist best known as one of the perpetrators of the 2013 Boston Marathon bombing.
-
C.
Mehmet Ali Ağca
Mehmet Ali Ağca is a Turkish gunman and former member of the far-right Grey Wolves organization, best known for shooting and critically wounding Pope John Paul II in 1981.
-
D.
Stanislas Lépine
Stanislas Lépine was a 19th-century French painter known for his quiet, atmospheric urban and river landscapes of Paris, often associated with the Impressionist movement.
-
E.
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.
- 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: Anders Behring Breivik Target entity description: Anders Behring Breivik is a Norwegian far-right extremist responsible for the 2011 mass killings in Oslo and on the island of Utøya.
-
A.
Tamerlan Tsarnaev
Tamerlan Tsarnaev was a Kyrgyzstani-born American resident and Islamist extremist who, along with his younger brother Dzhokhar, carried out the deadly 2013 Boston Marathon bombing.
-
B.
Dzhokhar Tsarnaev
Dzhokhar Tsarnaev is a Kyrgyz-American convicted terrorist best known as one of the perpetrators of the 2013 Boston Marathon bombing.
-
C.
Mehmet Ali Ağca
Mehmet Ali Ağca is a Turkish gunman and former member of the far-right Grey Wolves organization, best known for shooting and critically wounding Pope John Paul II in 1981.
-
D.
Stanislas Lépine
Stanislas Lépine was a 19th-century French painter known for his quiet, atmospheric urban and river landscapes of Paris, often associated with the Impressionist movement.
-
E.
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.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
far-right extremist
ⓘ
human ⓘ mass murderer ⓘ terrorist ⓘ |
| citizenship | Norway NERFINISHED ⓘ |
| convictedBy | Oslo District Court NERFINISHED ⓘ |
| convictedOf |
premeditated murder
ⓘ
terrorism ⓘ |
| countryOfBirth | Norway NERFINISHED ⓘ |
| countryOfConviction | Norway NERFINISHED ⓘ |
| countryOfEvent | Norway NERFINISHED ⓘ |
| dateOfBirth | 1979-02-13 ⓘ |
| dateOfConviction | 2012-08-24 ⓘ |
| dateOfEvent | 2011-07-22 ⓘ |
| familyName | Breivik NERFINISHED ⓘ |
| fullName | Anders Behring Breivik NERFINISHED ⓘ |
| givenName | Anders NERFINISHED ⓘ |
| ideology |
anti-Islamism
ⓘ
far-right extremism ⓘ right-wing terrorism ⓘ white nationalism ⓘ |
| incarceratedIn | Telemark Prison NERFINISHED ⓘ |
| laterName | Fjordman-related pseudonyms (online) ⓘ |
| locationOfEvent |
Oslo
NERFINISHED
ⓘ
Utøya NERFINISHED ⓘ |
| maximumDetentionExtension | indefinite ⓘ |
| methodOfAttack |
car bomb
ⓘ
mass shooting ⓘ |
| nationality | Norwegian ⓘ |
| notableFor | 2011 Norway attacks NERFINISHED ⓘ |
| numberOfVictimsInjured | 300+ ⓘ |
| numberOfVictimsKilled | 77 ⓘ |
| perpetrated |
2011 Oslo bombing
NERFINISHED
ⓘ
2011 Utøya mass shooting NERFINISHED ⓘ |
| placeOfBirth | Oslo NERFINISHED ⓘ |
| religion | formerly Christian ⓘ |
| sentence | 21 years of preventive detention ⓘ |
| sentenceType | preventive detention ⓘ |
| targetedOrganization | Workers' Youth League (AUF) NERFINISHED ⓘ |
| targetedPoliticalParty | Labour Party of Norway NERFINISHED ⓘ |
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: Anders Behring Breivik Description of subject: Anders Behring Breivik is a Norwegian far-right extremist responsible for the 2011 mass killings in Oslo and on the island of Utøya.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.