We describe an s-expression based syntax-extension framework much like Scheme macros, with a key additional facility: the ability to define static semantics, such as type systems ...
The GRIA project set out to make the Grid usable by industry. The GRIA middleware is based on Web Services, and designed to meet the needs of industry for security and business-to...
Mike Surridge, Steve Taylor, David De Roure, Ed Za...
We present a model of access control which provides fine-grained data-dependent control, can express permissions about permissions, can express delegation, and can describe syste...
Dimitar P. Guelev, Mark Ryan, Pierre-Yves Schobben...
In many applications, tasks can be delegated to intelligent agents. In order to carry out a task, an agent should reason about what types of resources the task requires. However, ...
Murat Sensoy, Wamberto Weber Vasconcelos, Timothy ...
Traditional Public Key Infrastructures (PKI) have not lived up to their promise because there are too many ways to define PKIs, too many cryptographic primitives to build them wi...
Chris Lesniewski-Laas, Bryan Ford, Jacob Strauss, ...