While social networks provide news from old buddies, you can learn a lot more from people you do not know, but with whom you share many interests. We show in this paper how to bui...
Social annotation via so-called collaborative tagging describes the process by which many users add metadata in the form of unstructured keywords to shared content. In this paper,...
Collaborative annotation tools are in widespread use. The metadata from these systems can be mined to induce semantic relationships among Web objects (sites, pages, tags, concepts...
The primary goal of people accessing the Web from mobile phones is to find specific pieces of information (PoI, hereinafter), not to surf. Welldesigned sites for mobile users help ...
We describe a virtual “tether” for mobile devices that allows groups to have quick, simple and privacy-preserving meetups. Our design provides cues which allow dynamic coordin...
John Williamson, Simon Robinson, Craig Stewart, Ro...