Matz
E255523
Japanese person
Ruby programmer
computer programmer
open-source software developer
person
software engineer
Matz is the nickname of Yukihiro Matsumoto, the Japanese software engineer best known as the creator of the Ruby programming language.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Matz canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T2313745 — 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: Matz Context triple: [Yukihiro Matsumoto, alsoKnownAs, Matz]
-
A.
Rubinius
Rubinius is an alternative Ruby implementation featuring a virtual machine and just-in-time compilation, designed for high performance and concurrency.
-
B.
Rake
Rake is a Ruby-based build automation tool similar to Make, used to define and run tasks via Ruby code.
-
C.
Marichi
Marichi is a revered Vedic sage (one of the Saptarishi) regarded as a mind-born son of Brahma and an important progenitor in Hindu cosmology.
-
D.
Martz
Martz is a surname most notably associated with Mike Martz, an American football coach known for his innovative offensive strategies in the NFL.
-
E.
The Boss
The Boss is the famous nickname of American rock musician Bruce Springsteen, renowned for his powerful live performances and working-class anthems.
- 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: Matz Target entity description: Matz is the nickname of Yukihiro Matsumoto, the Japanese software engineer best known as the creator of the Ruby programming language.
-
A.
Rubinius
Rubinius is an alternative Ruby implementation featuring a virtual machine and just-in-time compilation, designed for high performance and concurrency.
-
B.
Rake
Rake is a Ruby-based build automation tool similar to Make, used to define and run tasks via Ruby code.
-
C.
Marichi
Marichi is a revered Vedic sage (one of the Saptarishi) regarded as a mind-born son of Brahma and an important progenitor in Hindu cosmology.
-
D.
Martz
Martz is a surname most notably associated with Mike Martz, an American football coach known for his innovative offensive strategies in the NFL.
-
E.
The Boss
The Boss is the famous nickname of American rock musician Bruce Springsteen, renowned for his powerful live performances and working-class anthems.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese person
ⓘ
Ruby programmer ⓘ Ruby programmer ⓘ computer programmer ⓘ computer programmer ⓘ open-source software developer ⓘ open-source software developer ⓘ person ⓘ person ⓘ software engineer ⓘ software engineer ⓘ |
| countryOfCitizenship | Japan ⓘ |
| creatorOf | Ruby programming language ⓘ |
| designed | Ruby programming language ⓘ |
| educatedAt | University of Tsukuba ⓘ |
| employer |
Heroku (past)
ⓘ
linked to:
Heroku
Network Applied Communication Laboratory (NaCl) (past) ⓘ
linked to:
Network Applied Communication Laboratory
|
| familyName | Matsumoto ⓘ |
| fieldOfWork |
programming languages
ⓘ
software development ⓘ |
| gender | male ⓘ |
| givenName | Yukihiro ⓘ |
| hasNickname | Matz ⓘ |
| influenced |
Ruby community
ⓘ
modern scripting languages ⓘ |
| influencedBy |
Ada
ⓘ
Eiffel ⓘ Lisp ⓘ
linked to:
Lisp programming language
Perl ⓘ Smalltalk ⓘ |
| knownFor |
Ruby on Rails ecosystem (as Ruby creator)
ⓘ
Ruby programming language ⓘ |
| languageSpoken |
English
ⓘ
Japanese ⓘ |
| name | Matz ⓘ |
| nationality | Japanese ⓘ |
| nativeLanguage | Japanese ⓘ |
| nicknameOf | Yukihiro Matsumoto ⓘ |
| notableAward |
Award for the Advancement of Free Software (FSF) (2005)
ⓘ
linked to:
Award for the Advancement of Free Software
|
| notableIdea | developer happiness as a design goal ⓘ |
| notableWork | Ruby programming language ⓘ |
| occupation |
computer programmer
ⓘ
open-source software developer ⓘ software engineer ⓘ |
| placeOfBirth |
Osaka Prefecture, Japan
ⓘ
linked to:
Osaka Prefecture
|
| positionHeld | Chief Architect of Ruby at Heroku (past) ⓘ |
| programmingLanguageCreated | Ruby ⓘ |
| religion | Christianity (reported) ⓘ |
| residence |
Matsue, Shimane, Japan
ⓘ
linked to:
Matsue, Shimane Prefecture, Japan
|
| website | https://www.rubyist.net/~matz/ ⓘ |
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: Matz Description of subject: Matz is the nickname of Yukihiro Matsumoto, the Japanese software engineer best known as the creator of the Ruby programming language.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.