Traditionally, collaborative filtering (CF) algorithms used for recommendation operate on complete knowledge. This makes these algorithms hard to employ in a decentralized contex...
Inexpensive data collection and storage technologies and a global thirst for information have led to data repositories so large that users may become disoriented and unable to loc...
This paper presents a discussion of the issues relating to the selection of encryption algorithms in practical situations. An AES standard which recommends multiple algorithms in ...
The first challenge that we tackle in this paper is how to conduct access control in ubiquitous environments where sites have to handle access requests from their own users as wel...
—A dramatic and continuous increase in the complexity and size of websites on the Internet makes rather difficult to build such websites with required information to be easily fo...