Michael Widenius
E97105
Michael Widenius is a Finnish software engineer and entrepreneur best known as the original developer of the MySQL relational database and later the founder of MariaDB.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Michael Widenius canonical | 3 |
| Maria Widenius | 1 |
| Monty Widenius | 1 |
| Widenius | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T816887 — 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: Michael Widenius Context triple: [MySQL, creator, Michael Widenius]
-
A.
Linus Torvalds
Linus Torvalds is a Finnish-American software engineer best known as the creator and principal developer of the Linux kernel, the core of the widely used Linux operating system.
-
B.
Niklas Zennström
Niklas Zennström is a Swedish entrepreneur and venture capitalist best known for co-founding the internet communications company Skype.
-
C.
Janus Friis
Janus Friis is a Danish entrepreneur best known for co-founding the internet communications platform Skype.
-
D.
Leonard Bosack
Leonard Bosack is an American computer engineer and entrepreneur best known as the co-founder of Cisco Systems, a pioneering company in computer networking and internet infrastructure.
-
E.
Anders Hejlsberg
Anders Hejlsberg is a Danish software engineer best known for designing influential programming languages and development tools, including Turbo Pascal, Delphi, and later leading the design of C# and TypeScript at Microsoft.
- 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: Michael Widenius Target entity description: Michael Widenius is a Finnish software engineer and entrepreneur best known as the original developer of the MySQL relational database and later the founder of MariaDB.
-
A.
Linus Torvalds
Linus Torvalds is a Finnish-American software engineer best known as the creator and principal developer of the Linux kernel, the core of the widely used Linux operating system.
-
B.
Niklas Zennström
Niklas Zennström is a Swedish entrepreneur and venture capitalist best known for co-founding the internet communications company Skype.
-
C.
Janus Friis
Janus Friis is a Danish entrepreneur best known for co-founding the internet communications platform Skype.
-
D.
Leonard Bosack
Leonard Bosack is an American computer engineer and entrepreneur best known as the co-founder of Cisco Systems, a pioneering company in computer networking and internet infrastructure.
-
E.
Anders Hejlsberg
Anders Hejlsberg is a Danish software engineer best known for designing influential programming languages and development tools, including Turbo Pascal, Delphi, and later leading the design of C# and TypeScript at Microsoft.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
entrepreneur
ⓘ
human ⓘ software engineer ⓘ |
| advocatesFor | free and open-source software licenses ⓘ |
| alsoKnownAs |
Michael Widenius
ⓘ
surface form:
Monty Widenius
|
| associatedWith |
LAMP stack
ⓘ
MariaDB Foundation ⓘ MariaDB ⓘ
surface form:
MariaDB Server project
|
| blogTitle | Monty Says ⓘ |
| coFounded |
MySQL
ⓘ
surface form:
MySQL AB
|
| countryOfCitizenship | Finland ⓘ |
| developed |
MySQL
ⓘ
surface form:
MySQL relational database management system
|
| employer |
MariaDB Corporation
ⓘ
MySQL AB ⓘ Sun Microsystems ⓘ |
| familyName |
Michael Widenius
self-linksurface differs
ⓘ
surface form:
Widenius
|
| fieldOfWork |
database systems
ⓘ
software engineering ⓘ |
| founded |
MariaDB Corporation
ⓘ
Monty Program AB ⓘ |
| gender | male ⓘ |
| givenName | Michael ⓘ |
| hasChild | Maria Widenius ⓘ |
| hasRole |
chief technology officer
ⓘ
software architect ⓘ |
| influenced | open-source database ecosystem ⓘ |
| initiated | MariaDB relational database management system ⓘ |
| inspired | forking of MySQL into MariaDB ⓘ |
| inspiredBy | open-source community ⓘ |
| knownFor |
founder of MariaDB
ⓘ
original developer of the MySQL relational database ⓘ |
| languageSpoken |
English
ⓘ
Finnish ⓘ |
| licenseConcern | proprietary control over MySQL ⓘ |
| movement | open-source software ⓘ |
| name | Michael Widenius self-link ⓘ |
| nationality | Finnish ⓘ |
| notableWork |
MariaDB
ⓘ
MySQL ⓘ |
| opposed | Oracle Corporation acquisition of MySQL ⓘ |
| placeOfBirth | Finland ⓘ |
| programmingLanguageUsed |
C
ⓘ
C++ ⓘ |
| website | https://monty-says.blogspot.com/ ⓘ |
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: Michael Widenius Description of subject: Michael Widenius is a Finnish software engineer and entrepreneur best known as the original developer of the MySQL relational database and later the founder of MariaDB.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Maria Widenius
this entity surface form:
Monty Widenius
this entity surface form:
Widenius