Conducted for the purpose of receiving the academic title 'Doktorin der technischen Wissenschaften' Abstract Peer-to-peer networks and folksonomies are like living organisms, ever growing and changing as time goes on. This thesis addresses the applicability of algorithms derived from the self-organizing and emergent behavior observed from ant colonies to… (More)
In this paper, we describe the notion of a <i>semantic information portal</i>. This is a community information portal that exploits the semantic web standards to improve structure, extensibility, customization and sustainability. We are in the process of developing a prototype directory of environmental organizations as a demonstration of the approach and… (More)
Copyright and Moral Rights for the articles on this site are retained by the individual authors and/or other copyright owners. For more information on Open Research Online's data policy on reuse of materials please consult the policies page. Abstract. The Semantic Web community could benefit greatly from 'eating its own dog food' in order to better… (More)
In this paper we construct adaptive user profiles from tagging data. We present and evaluate an algorithm for creating such profiles, characterizing its behavior through statistical analysis.
The use of information and communication technology and the web-based products it provides is responsible for significant emissions of greenhouse gases. In order to enable the reduction of emissions during the design of such products, it is necessary to estimate as accurately as possible their carbon impact over the entire product system. In this work we… (More)