# Shigio Yamaguchi

> Japanese computer scientist

**Wikidata**: [Q81948016](https://www.wikidata.org/wiki/Q81948016)  
**Source**: https://4ort.xyz/entity/shigio-yamaguchi

## Summary
Shigio Yamaguchi is a Japanese computer scientist known for his role as the maintainer of GNU GLOBAL, an open-source tool source code tagging system. His work has contributed to software development practices through tools that help developers navigate and analyze large codebases.

## Biography
- Born: [date and place not provided]
- Nationality: Japan
- Education: [degrees and institutions not provided]
- Known for: Maintaining GNU GLOBAL, an open-source source code tagging system
- Employer(s): [specific employers not provided]
- Field(s): Computer science, software development tools

## Contributions
Shigio Yamaguchi's most significant contribution has been his maintenance and development of GNU GLOBAL, a tool designed for software developers to analyze and navigate codebases. As maintainer, he has overseen the development of this open-source project that creates a tag database of source code, allowing developers to search for functions, variables, and other identifiers across large software projects. This tool has become essential for working with complex codebases in various programming languages, improving code comprehension and navigation efficiency for development teams worldwide. His work on GNU GLOBAL has made it a standard tool in many development environments, particularly for teams working with legacy systems or large multi-file projects.

## FAQs
### Q: What is Shigio Yamaguchi's primary role in software development?
A: Shigio Yamaguchi is best known as the maintainer of GNU GLOBAL, an open-source tool that helps developers analyze and navigate source code by creating searchable tag databases.

### Q: What programming languages does Shigio Yamaguchi work with?
A: While specific languages aren't mentioned, GNU GLOBAL, which he maintains, supports multiple programming languages for code analysis and navigation.

### Q: Where is Shigio Yamaguchi based?
A: Information about his location is not provided in the source material, though we know he is Japanese.

### Q: What impact has Shigio Yamaguchi had on software development practices?
A: Through his work on GNU GLOBAL, he has provided developers with essential tools for understanding complex codebases, improving productivity and code quality in software development projects.

## Why They Matter
Shigio Yamaguchi matters because his maintenance of GNU GLOBAL has provided an indispensable tool for software developers worldwide. The ability to effectively navigate and analyze large codebases is critical in modern software development, particularly as projects grow in complexity. Without tools like GNU GLOBAL, understanding legacy code or coordinating across teams working on the same codebase would be significantly more challenging. His work as an open-source maintainer embodies the collaborative nature of software development, providing free tools that democratize access to sophisticated code analysis capabilities for developers and organizations of all sizes.

## Notable For
- Maintaining GNU GLOBAL, a widely used open-source source code tagging system
- Being recognized in international library and authority databases (VIAF, NDL, CINII, NACSIS)
- Contributing to the computer science field as a Japanese professional
- Working with both Japanese and English in his professional capacity
- Supporting software development through specialized code analysis tools

## Body
### Identity and Background
Shigio Yamaguchi is a Japanese computer scientist whose work focuses on software development tools and code analysis. His name appears in various international authority databases, including the Virtual International Authority File (VIAF ID: 257066798), National Diet Library Authority ID (01104867), CINII Research ID (1140282266822163456), and NACSIS Cat Author ID (DA17061702), indicating his professional recognition in academic and library systems.

### Professional Role
His primary professional position identified in the source material is as the maintainer of GNU GLOBAL. This open-source tool creates a tag database from source code, allowing developers to search for identifiers, functions, variables, and other code elements across projects. As maintainer, he oversees the development and maintenance of this essential software development utility.

### Professional Network and Recognition
Yamaguchi is recognized in professional databases that track academic and scientific contributions, including the Japanese National Diet Library system and CINII (Current Research Information on Japan). These identifiers suggest he has published or contributed to the academic literature in computer science or has been cited in authoritative sources. His presence in these databases indicates he is part of the global academic and professional community in computer science.

### Technical Expertise
While specific areas of expertise aren't detailed in the source material, his work on GNU GLOBAL suggests specialization in software analysis tools, code indexing systems, and possibly programming language processing. The tool he maintains supports multiple programming languages, indicating knowledge of various programming paradigms and code structures. His ability to work with both Japanese and English in his professional capacity suggests international collaboration experience or an English-speaking technical audience.

## References

1. CiNii Research