Abstract. Information sharing on distributed collaboration usually occurs in broad, highly dynamic network-based environments, and formally accessing the resources in a secure mann...
Electronic voting has become one of the most popular activities over the Internet. Security and privacy are always regarded as crucial factors in electronic voting system design. ...
With the increasing adoption of mobile computing devices that carry confidential data, organizations need to secure data in an ever-changing environment. Critical organizational d...
The Web can be naturally modeled as a directed graph, consisting of a set of abstract nodes (the pages) joined by directional edges (the hyperlinks). Hyperlinks encode a considerab...
Modern geographic databases can contain a large volume of data that need to be distributed to subscribed customers. The data can be modeled as a cube, where typical dimensions inc...