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WWW
2008
ACM
14 years 10 months ago
2008
ACM
We study the Cost-Per-Action or Cost-Per-Acquisition (CPA) charging scheme in online advertising. In this scheme, instead of paying per click, the advertisers pay only when a user...
WWW
2006
ACM
14 years 10 months ago
2006
ACM
Today, the Web is increasingly used as a platform for distributed services, which transcend organizational boundaries to form federated applications. Consequently, there is a grow...
CHI
2009
ACM
14 years 10 months ago
2009
ACM
This paper offers an exploration of the attitudes of older adults to keeping in touch with people who are important to them. We present findings from three focus groups with peopl...
CHI
2008
ACM
14 years 10 months ago
2008
ACM
Food is a central part of our lives. Fundamentally, we need food to survive. Socially, food is something that brings people together?individuals interact through and around it. Cu...
CHI
2005
ACM
14 years 10 months ago
2005
ACM
In the research project `Reach', we investigate the potential for new forms of communication and expression to be incorporated dynamically and interactively into the things t...