Suppose Bob, the boss in Company A, pays a secure cloud storage service and authorizes all the employees in that company to share such a service. There exists a user hierarchy: Bob...
Abstract. Regarding web searches, users have become used to keywordbased search interfaces due to their ease of use. However, this implies a semantic gap between the user's in...
Carlos Bobed, Raquel Trillo, Eduardo Mena, Sergio ...
To secure interactive multimedia applications in wireless LANs WLANs it is pertinent to implement a number of security services such as authentication, key exchange and real-time e...
With an increasing amount of semi-structured data XML has become important. XML documents may contain private information that cannot be shared by all user communities. Therefore,...
In spite of the use of standard web security measures (SSL/TLS), users enter sensitive information such as passwords into scam web sites. Such scam sites cause substantial damages...