Type systems for secure information flow aim to prevent a program from leaking information from variables that hold secret data to variables that hold public data. In this work we...
One of the main problems of collaborative filtering recommenders is the sparsity of the ratings in the users-items matrix, and its negative effect on the prediction accuracy. This ...
A concurrent cache design is presented which allows cached data to be spread across a cluster of computers. The implementation s persistent storage from cache storage and abstract...
Stereotypes and clustering are some techniques for creating user models from user behavior. Yet, they possess important risks as users actions could be misinterpreted or users coul...
A web robot is a program that downloads and stores web pages. Implementation issues of web robots have been studied widely and various web statistics are reported in the literature...