Introduction
Yannis Avrithis, Yiannis Kompatsiaris, Steffen Staab, and Athena Vakali, pages i-iv
Invited talk - Information Retrieval vs Knowledge Retrieval:A Social Network
Perspective
Bettina Hoser, pages 1-4
Enriching Ontological User Profiles with Tagging History for
Multi-Domain Recommendations
Ivan Cantador, Martin Szomszor, Harith Alani, Miriam Fernandez, and
Pablo Castells, pages 5-19
From Web 2.0 to Semantic Web: A Semi-Automated Approach
Andreas Heß, Christian Maaß, and Francis Dierick, pages 20-34
Using multiple ontologies as background knowledge in ontology matching
Zharko Aleksovski, Warner ten Kate, and Frank van Harmelen, pages 35-49
Flickring Our World: An Approach for a Graph Based Exploration of
the Flickr Community
João Tojo, Jorge Sousa, and Paulo Gomes, pages 50-64
Semantically Enriching Folksonomies with FLOR
Sofia Angeletou, Marta Sabou, and Enrico Motta, pages 65-79
Disambiguating Identity through Social Circles and Social Data
Matthew Rowe, and Fabio Ciravegna, pages 80-93
OntoPair: Towards a Collaborative Game for Building OWL-Based
Ontologies
Peyman Nasirifard, Slawomir Grzonkowski, and Vassilios Peristeras, pages 94-108
Semantically enhanced webspace for scientific collaboration
Daniel Harezlak, Piotr Nowakowski, and Marian Bubak, pages 109-124