Semantic information retrieval and document engineering

• Web of Data / Web of Documents
• Multistructured Documents for Digital Humanities
• Semi-automatic Image Annotation
• Multilingual Information Retrieval

Trust, reputation and privacy-preservation in distributed systems

• Privacy-preserving Web search
• Privacy preservation in mobile systems
• Privacy preserving reputation systems
• Elimination of subjectivity from trust recommendation

Robust and dependable distributed and mobile systems

• SLA-aware dependable Cloud Computing systems
• Selfish-resilient cooperative systems
• Opportunistic and mobile networks/delay tolerant networks
• Web-based intelligent distributed and mobile systems