The successful deployment of a security policy is closely related not only to the complexity of the security requirements but also to the capabilities/functionalities of the secur...
Sites like YouTube offer vast sources of data for studies of Human Computer Interaction (HCI). However, they also present a number of methodological challenges. This paper offers ...
Collaborative web browsing tasks occur frequently, such as one user showing another how to use a web site, several users working together on a search task, or even one user sendin...
Classification of time series has been attracting great interest over the past decade. Recent empirical evidence has strongly suggested that the simple nearest neighbor algorithm ...
We introduce the problem of query decomposition, where we are given a query and a document retrieval system, and we want to produce a small set of queries whose union of resulting...
Francesco Bonchi, Carlos Castillo, Debora Donato, ...