In this paper we present our authorization framework that supports the dynamic set-up of Web service federations for sharing data within virtual federations. Building on previous w...
Group Support Systems (GSS) can improve the productivity of Group Work by offering a variety of tools to assist a virtual group across geographical distances. Experience shows tha...
In educational settings, current digital technologies often work counter-productive because people using them experience separation and isolation. This paper describes a set of mul...
Jan Schneider, Jan Derboven, Kris Luyten, Chris Vl...
In this paper we develop a tractable framework for SINR analysis in downlink heterogeneous cellular networks (HCNs) with flexible cell association policies. The HCN is modeled as...
Han-Shin Jo, Young Jin Sang, Ping Xia, Jeffrey G. ...
As agents populate Cyberspace in their many guises and roles, they coordinate and interact in different ways, spanning self-interested, as well as collaborative interactions. Agen...