As social computing systems persist over time, the user experiences and interactions they support may change. One type of social computing system, Social Network Sites (SNSs), are...
Given a collection of images of a static scene taken by many different people, we identify and segment interesting objects. To solve this problem, we use the distribution of images...
AgentTeamwork is a mobile-agent-based job coordination system that targets a mixture of computing nodes, some directly connected to the public Internet and others simply clustered...
Elderly adults face two serious challenges bridging the digital divide. First, many suffer from physical or cognitive disabilities, which inhibit computer use. Second, the “tradi...
Group communication is becoming increasingly popular in Internet applications such as videoconferences, online chatting programs, games, and gambling. For secure communications, th...