# Peter Haase

> German computer scientist

**Wikidata**: [Q23831639](https://www.wikidata.org/wiki/Q23831639)  
**Source**: https://4ort.xyz/entity/peter-haase

## Summary
Peter Haase is a German computer scientist known for his work in the Semantic Web and knowledge graphs. He is a researcher and entrepreneur who has contributed to the development of knowledge-based systems and founded the software company metaphacts.

## Biography
- Born: May 31, 1976, in Neubrandenburg, Germany
- Nationality: German
- Education: 
  - PhD in Computer Science from Karlsruhe Institute of Technology (2003-2006)
  - Diploma in Computer Science from University of Rostock (1995-2001)
  - Study abroad at Queen Mary University of London (1998)
- Known for: Semantic Web technologies, knowledge graphs, and knowledge-based systems
- Employer(s): metaphacts (founder), Karlsruhe Institute of Technology (former)
- Field(s): Semantic Web, knowledge-based systems, knowledge graphs

## Contributions
Peter Haase has made significant contributions to the Semantic Web and knowledge graph technologies. He founded metaphacts in 2014, a German software company specializing in knowledge graph solutions. His research work spans over two decades, with publications at major conferences including ESWC (Extended Semantic Web Conference) from 2005 to 2025. Haase has been instrumental in advancing knowledge-based systems and has served as a doctoral advisor to students in computer science. His work bridges academic research and practical applications in enterprise knowledge management.

## FAQs
### Q: What is Peter Haase known for?
A: Peter Haase is known for his work in Semantic Web technologies, knowledge graphs, and as the founder of metaphacts, a German software company.

### Q: Where did Peter Haase study?
A: Peter Haase studied at the University of Rostock (1995-2001), Queen Mary University of London (1998), and earned his PhD from Karlsruhe Institute of Technology (2003-2006).

### Q: What companies has Peter Haase founded?
A: Peter Haase founded metaphacts in 2014, a German software company headquartered in Walldorf that specializes in knowledge graph solutions.

## Why They Matter
Peter Haase's work has been crucial in advancing Semantic Web technologies and making knowledge graphs practical for enterprise use. Through his company metaphacts, he has helped organizations leverage semantic technologies for better data integration and knowledge management. His academic contributions, including numerous publications at ESWC conferences, have influenced how researchers and practitioners approach knowledge representation and reasoning. Without his contributions, the adoption of knowledge graph technologies in industry might have been significantly slower.

## Notable For
- Founder of metaphacts (2014), a German knowledge graph software company
- PhD graduate of Karlsruhe Institute of Technology under advisor Rudi Studer
- Active contributor to ESWC conferences for over 20 years (2005-2025)
- Pioneer in bridging academic Semantic Web research with enterprise applications
- Researcher in knowledge-based systems and knowledge graph technologies

## Body
### Academic Background
Peter Haase completed his diploma in computer science at the University of Rostock from 1995 to 2001. He studied abroad at Queen Mary University of London in 1998 before pursuing his doctoral studies. He earned his PhD in computer science from Karlsruhe Institute of Technology between 2003 and 2006, with Rudi Studer as his doctoral advisor.

### Research and Publications
Haase has been an active participant in the Semantic Web research community, presenting at ESWC conferences from 2005 through 2025. His research focuses on knowledge-based systems and knowledge graphs, contributing to the theoretical foundations and practical applications of Semantic Web technologies.

### Industry Impact
In 2014, Haase founded metaphacts, a German software company headquartered in Walldorf. The company specializes in knowledge graph solutions, helping organizations implement semantic technologies for data integration and knowledge management. This venture represents a successful transition from academic research to commercial application.

### Professional Recognition
Haase maintains an active presence in the research community with a DBLP author ID (h/PeterHaase1) and Google Scholar profile. He has 1,284 followers on Twitter (as of January 2021) and engages with the community through Mastodon. His work has established him as a recognized figure in the Semantic Web and knowledge graph domains.

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## References

1. LinkedIn
2. ORCID iD
3. [Source](https://twitter.com/phaase)