Research Topics

Semantic Web Foundations

Semantic Annotation:

1. M-OntoMat-Annotizer for semantic annotation of pictures
2. KAT for semi-automatic, semantic annotation of multimedia content
3. Further information about semantic annotation

Semantic Web language constructs:

4. Semantic Web Mash-ups with Networked Graphs

Querying the Semantic Web:

5. Distributed SPARQL for querying distributed Semantic Web resources
6. Querying for Meta Knowledge: Certainty, provenance, authorship, and access rights with SPARQL

Ontologies

Further information about ontologies

Ontology Engineering:

1. Cicero:  Argumentation Wiki for Ontology Engineering (demo)
2. NEON Toolkit

Learning of ontologies:

U.Sheffield provides Abraxas, an open source implementation of our evaluation methodology

Querying ontologies:

3. SAIQL for querying OWL ontologies
4. DL-Tree: Indexing of OWL objects and terms 

Ontology Translation:

5. MBOTL for querying ontology dataset translation

Applications of semantic web and their ontologies

• Knowledge management
• Knowledge and information portals

Multimedia applications:

1. COMM: Core Ontology for Multimedia

Semantic desktop:

2. X-Cosim: Cross-Context Semantic Information Management with
   
   • X-Cosimo: a corresponding ontology
   • X-Cosima: a corresponding API
3. SemFS: a semantic file system
4. LENA: a Fresner Lens based RDF Navigator

Semantically enhanced information exchange:

5. SAM: Semantic Aware Messenger
6. Semantic E-Mail (in progress)

Model Driven Engineering

Domain Specific Languages

Ontology Based Framework for Domain Specific Languages

Ontology based management and organisation of complex dynamic systems

• Emergent semantics
• Semantic and social networks

Data Sets

• Tagora Data Set Indices
• PINTS Experiments Data Sets
• Web2.0Recommender Data Sets
• Tagging Models

Semantic Peer-to-Peer-Systems:

1. Tagster (in progress)
2. SWAP project and platform (finished) with its two semantic Peer-to-Peer systems
   
   • Bibster: P2P literature search
   • Xarop: P2P for virtual companies
3. Semantic middleware & semantic SOA:
   • Monitoring of business processes with Sticky Logging
   • KAON Server: semantic J2EE