1. Distributed multiresolution transform based framework for watermarking / Gaurav Bhatnagar, Jonathan Wu and Balasubramanian Raman -- 2. Masking models and watermarking: a discussion on methods and effectiveness / Mirko Luca Lobina, Daniele D. Giusto and Davide Mula -- 3. Multimedia content encryption for secure multimedia communication / Shiguo Lian -- 4. Advancement on damage-less watermark extraction using non-linear feature extraction scheme trained on frequency domain / Kensuke Naoe and Yoshiyasu Takefuji -- 5. Property protection and user authentication in IP networks through challenge-response mechanisms: present, past and future trends / Giaime Ginesu, Mirko Luca Lobina and Daniele D. Giusto -- 6. Access control on semantic Web data using query rewriting / Jian Li and William K. Cheung -- 7. An auction mechanism considering seat reservations in movie theater services / Nariaki Nishino, Koji Fukuya and Kanji Ueda -- 8. Legal protection of the Web page / Davide Mula and Mirko Luca Lobina -- 9. Collaborative production, the knowledge commons and the application of open content licenses / Natalie Pang -- 10. Managing collective intelligence in semantic communities of interest / Stefano Montanelli ... [et al.] -- 11. A social bookmarking-based people search service: building communities of practice with collective intelligence / Jeff J.S. Huang ... [et al.].