1,2 The LSAM Proxy Cache (LPC) is a multicast distributed web cache that provides automated multicast push of web pages, based on self-configuring interest groups. The LPC is desig...
Since its inception, the internet has served as a virtual meeting place for people sharing common interests. These interest groups are nowadays called Virtual Communities. In this...
A mundane but theoretically interesting and practically relevant situation presents itself on social networking sites: the co-presence of multiple groups important to an individua...
A challenge for many online production communities is to direct their members to accomplish tasks that are important to the group, even when these tasks may not match individual m...
There is an explosion of community-generated multimedia content available online. In particular, Flickr constitutes a 200-million photo sharing system where users participate foll...