: The research field Computer-Supported Cooperative Work (CSCW) is concerned with understanding social interaction and the design, development, and evaluation of technical systems ...
Probabilistic feature relevance learning (PFRL) is an effective method for adaptively computing local feature relevance in content-based image retrieval. It computes flexible retr...
In this paper we propose a novel approach to content-based image retrieval with relevance feedback, which is based on the random walker algorithm introduced in the context of inte...
Social navigation has been proposed as a means to aid users to find their way through information spaces. We present an on-line grocery store that implements several different aspe...
For effective cooperation, sharing of resources, a good social climate and therefore better learning, students need to maintain awareness of the social situation in a group or a c...