We study the access control integration problem for web services. Organizations frequently use many services, each with its own access control policies, that must interoperate whi...
A common theme in information security is protection of trusted software components against unauthorized access by untrusted users. In the context of distributed object technologi...
Web spider is a widely used approach to obtain information for search engines. As the size of the Web grows, it becomes a natural choice to parallelize the spider’s crawling proc...
Making correct access-control decisions is central to security, which in turn requires accounting correctly for the identity, credentials, roles, authority, and privileges of users...
Thumrongsak Kosiyatrakul, Susan Older, Shiu-Kai Ch...
Given the increasing dependence of our societies on information systems, the overall security of these systems should be measured and improved. Existing work generally focuses on ...