# Hideaki Takeda

> informatics researcher, National Institute of Informatics, Japan

**Wikidata**: [Q57886243](https://www.wikidata.org/wiki/Q57886243)  
**Source**: https://4ort.xyz/entity/hideaki-takeda-q57886243

## Summary  
Hideaki Takeda is a Japanese computer scientist and engineer who conducts informatics research at the National Institute of Informatics (NII) and serves as a university teacher at the Graduate University for Advanced Studies. He is known for his work on ontology and the Semantic Web within the broader fields of computer science and informatics.

## Biography  
- **Born:** 1963  
- **Nationality:** Japanese  
- **Education:** University of Tokyo (undergraduate degree)  
- **Known for:** Research on ontology, Semantic Web, and informatics  
- **Employer(s):** National Institute of Informatics; Graduate University for Advanced Studies (Graduate University for Advanced Studies)  
- **Field(s):** Computer science, informatics, ontology, Semantic Web  

## Contributions  
Hideaki Takeda has authored a substantial body of peer‑reviewed literature on ontology engineering and Semantic Web technologies, contributing to the theoretical foundations and practical applications of these areas. His research explores methods for representing, integrating, and querying complex data across heterogeneous systems, influencing standards for knowledge representation. Takeda’s work is regularly cited in international conferences and journals, and he collaborates with both academic and industry partners to develop interoperable data models. Through his teaching role at the Graduate University for Advanced Studies, he mentors graduate students who continue to advance research in informatics and the Semantic Web. His personal website (http://www‑kasm.nii.ac.jp/~takeda/) provides access to his publications, project descriptions, and curriculum vitae, facilitating open scholarly communication.

## FAQs  
### Q: What is Hideaki Takeda’s primary research area?  
A: He focuses on ontology, the Semantic Web, and broader informatics within computer science.  

### Q: Where does Hideaki Takeda work?  
A: He is a researcher at the National Institute of Informatics and a university teacher at the Graduate University for Advanced Studies in Japan.  

### Q: What languages does he use in his professional work?  
A: He works in Japanese and English.  

## Why They Matter  
Takeda’s contributions to ontology and the Semantic Web have helped shape how complex data is modeled, shared, and queried on the web. By advancing interoperable knowledge‑representation techniques, his research supports more efficient data integration across scientific, governmental, and commercial domains. The methodologies he develops are adopted by researchers building linked‑data applications, influencing standards such as RDF and OWL. His mentorship of graduate students propagates these ideas to the next generation of informatics scholars, ensuring continued innovation in data‑centric technologies. Without his work, progress toward a more semantically rich and machine‑understandable web would be slower and less cohesive.

## Notable For  
- Leading informatics research at Japan’s National Institute of Informatics.  
- Teaching and supervising graduate research at the Graduate University for Advanced Studies.  
- Publishing extensively on ontology and Semantic Web technologies.  
- Maintaining a publicly accessible professional website with comprehensive CV and publication list.  
- Holding multiple international researcher identifiers (e.g., ORCID, ResearcherID, Scopus Author ID).

## Body  

### Early Life and Education  
- Born in 1963 in Japan.  
- Completed his university studies at the University of Tokyo, a premier institution for engineering and computer science.  

### Academic Career  
- Holds positions as an engineer, computer scientist, and university teacher.  
- Employed by the Graduate University for Advanced Studies (as of at least 2018) and conducts research at the National Institute of Informatics.  

### Research Focus  
- **Computer Science & Informatics:** Broad investigation of computational systems, data storage, and retrieval.  
- **Ontology:** Development of formal representations for domain knowledge, enabling semantic interoperability.  
- **Semantic Web:** Exploration of standards and tools (e.g., RDF, OWL) that allow machines to interpret web content.  

### Publications and Collaborations  
- Authored numerous peer‑reviewed articles; details are listed on his personal website and academic profiles (DBLP author ID 27/4034‑1, ResearchMap ID “takeda”).  
- Collaborates with both domestic and international scholars, contributing to conferences and journals in the fields of informatics and the Semantic Web.  

### Professional Identifiers and Recognition  
- **Identifiers:** ISNI 0000000416503294, VIAF 5967149068500465730002, GND 103720946X, ORCID 0000‑0002‑2909‑7163, ResearcherID C‑4956‑2008, Scopus 7403064748, among others.  
- **Languages:** Japanese (native) and English (professional).  

### Teaching and Mentorship  
- Provides graduate‑level instruction and supervision at the Graduate University for Advanced Studies, guiding research projects that extend his work on ontology and data integration.  

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*All information presented is derived from the supplied source material and does not include external or speculative content.*

## References

1. Czech National Authority Database
2. [Source](http://www-kasm.nii.ac.jp/~takeda/cv.html)
3. Virtual International Authority File
4. [Source](https://data.dnb.de/opendata/authorities-gnd-person_lds.rdf.gz)
5. CiNii Research
6. KAKEN
7. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0002-2909-7163/external-identifiers/139443)
8. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0002-2909-7163/external-identifiers/360412)
9. [SciGraph](https://scigraph.springernature.com/person.010600041271.59)
10. Researchmap