Knowledge Media Technologies First International Core-to-Core Workshop Klaus P. Jantke & Gunther Kreuzberger (eds.) Nr. 21 July 2006 Herausgeber: Der Rektor der Technischen Universität Ilmenau Redaktion: Institut für Medien- und Kommunikationswissenschaft, Prof. Dr. Paul Klimsa ISSN 1617-9048 Kontakt: Klaus P. Jantke, Tel.: +49 3677 69 47 35 E-Mail:
[email protected] Table of Contents Knowledge Federation and Utilization Yuzuru Tanaka A Formal Model for the Proximity-Based Federation among Smart Objects....................................................5 Hidetoshi Nonaka and Masahito Kurihara Protean sensor network for context aware services.................................………………………………….....21 Hosting Team Presentations Klaus P. Jantke Pattern Concepts for Digital Games Research...................................…………………………..……...……..29 Anja Beyer Security Aspects in Online Games Targets, Threats and Mechanisms………………………………….....…41 Jürgen Nützel and Mario Kubek Personal File Sharing in a Personal Bluetooth Environment ..........…………………………………...…..…47 Henrik Tonn-Eichstädt User Interfaces for People with Special Needs...................................…………………………………....…..54 Knowledge Clustering and Text Summarization Jan Poland and Thomas Zeugmann Clustering the Google Distance with Eigenvectors and Semidefinite Programming ......................…...….…61 Tetsuya Yoshida Toward Soft Clustering in the Sequential Information Bottleneck Method………………………...………..70 Masaharu Yoshioka and Makoto Haraguchi Multiple News Articles