: The use of agent paradigm in today’s applications is hampered by the security concerns of agents and hosts alike. The agents require the presence of a secure and trusted execut...
In the first part we describe the dissemination of wikis in the German-speaking school community with a special focus on Switzerland, the most active German-speaking country using...
This paper presents a model of professional development through the participation in a virtual CoP. This model is rooted in a definition of professional development and of professi...
We present S3 , a system that implicitly captures the process and products of Web investigations (exploratory searches involving multiple queries). This automatically-created, pers...
Keyword indices, topic directories, and link-based rankings are used to search and structure the rapidly growing Web today. Surprisingly little use is made of years of browsing ex...