The design and prototype implementation of the XCAT Grid Science Portal is described in this paper. The portal lets grid application programmers easily script complex distributed ...
Sriram Krishnan, Randall Bramley, Dennis Gannon, R...
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...
In Ubiquitous Computing Environment (UCE), service provider wants to provide its service to only legitimate users. Some users who belong to same service provider do not want to rev...
— With the advent of service sensitive applications such as remote controlled experiments, time constrained massive data transfers, and video-conferencing, it has become apparent...
Chin Guok, David W. Robertson, Mary R. Thompson, J...
CAPTCHAs protect online resources and services from automated access. From an attacker’s point of view, they are typically perceived as an annoyance that prevents the mass creat...
Manuel Egele, Leyla Bilge, Engin Kirda, Christophe...