Geir Ivarsøy
E50830
Geir Ivarsøy was a Norwegian software developer best known as the co-founder and key architect behind the Opera web browser.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Geir Ivarsøy canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T400854 — 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: Geir Ivarsøy Context triple: [Opera Software, foundedBy, Geir Ivarsøy]
-
A.
Jan Christian Vestre
Jan Christian Vestre is a Norwegian Labour Party politician and businessman who has served as Norway’s Minister of Trade and Industry.
-
B.
Morten Lie
Morten Lie is a person notable enough to be recognized as a bearer of the surname Lie, though specific widely known public details about him are limited.
-
C.
Sjur Lie
Sjur Lie is a Norwegian mathematician known for his contributions to differential geometry and the theory of Lie groups.
-
D.
Reidar Lie
Reidar Lie is a Norwegian philosopher and bioethicist known for his work on research ethics, global health, and the ethical dimensions of public health policy.
-
E.
Håkon Wium Lie
Håkon Wium Lie is a Norwegian web pioneer best known as the creator of Cascading Style Sheets (CSS) and a key figure in the development of open web standards.
- 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: Geir Ivarsøy Target entity description: Geir Ivarsøy was a Norwegian software developer best known as the co-founder and key architect behind the Opera web browser.
-
A.
Jan Christian Vestre
Jan Christian Vestre is a Norwegian Labour Party politician and businessman who has served as Norway’s Minister of Trade and Industry.
-
B.
Morten Lie
Morten Lie is a person notable enough to be recognized as a bearer of the surname Lie, though specific widely known public details about him are limited.
-
C.
Sjur Lie
Sjur Lie is a Norwegian mathematician known for his contributions to differential geometry and the theory of Lie groups.
-
D.
Reidar Lie
Reidar Lie is a Norwegian philosopher and bioethicist known for his work on research ethics, global health, and the ethical dimensions of public health policy.
-
E.
Håkon Wium Lie
Håkon Wium Lie is a Norwegian web pioneer best known as the creator of Cascading Style Sheets (CSS) and a key figure in the development of open web standards.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
Norwegian person
ⓘ
computer programmer ⓘ human ⓘ software developer ⓘ |
| areaOfInfluence | web browsing technology ⓘ |
| associatedWith |
World Wide Web
ⓘ
internet software ⓘ |
| coFounded | Opera Software ⓘ |
| contributedTo | early development of graphical web browsers ⓘ |
| countryOfCitizenship | Norway ⓘ |
| developed | Opera web browser ⓘ |
| employer | Opera Software ⓘ |
| fieldOfWork |
software engineering
ⓘ
web browser development ⓘ |
| gender | male ⓘ |
| hasFamilyName | Ivarsøy ⓘ |
| hasGivenName | Geir ⓘ |
| industry |
internet industry
ⓘ
software industry ⓘ |
| knownFor |
being key architect of the Opera web browser
ⓘ
co-founding Opera Software ⓘ |
| languageSpoken |
English
ⓘ
Norwegian ⓘ |
| nationality | Norwegian ⓘ |
| notableRole |
chief architect of Opera web browser
ⓘ
lead developer of Opera web browser ⓘ |
| notableWork | Opera web browser ⓘ |
| occupation |
computer programmer
ⓘ
software developer ⓘ |
| placeOfBirth | Norway ⓘ |
| programmingLanguageUsed | C++ ⓘ |
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: Geir Ivarsøy Description of subject: Geir Ivarsøy was a Norwegian software developer best known as the co-founder and key architect behind the Opera web browser.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.