Tagging systems have become major infrastructures on the Web. They allow users to create tags that annotate and categorize content and share them with other users, very helpful in...
Increasing health care costs put a great strain on national economies. In recent years there have been several national and regional research and development projects in Finland a...
Philosophy, artificial intelligence and cognitive science have long been dominated by the presupposition that intelligence is fundamentally individual. Recent work in cognitive sci...
We study the problem of estimating the average of a Lipschitz continuous function f defined over a metric space, by querying f at only a single point. More specifically, we explore...
We consider the problem of encrypting structured data (e.g., a web graph or a social network) in such a way that it can be efficiently and privately queried. For this purpose, we ...