The use of policy-based mechanisms significantly reduces the complexity associated with applicational development and operation. In particular, history-based policies allow the s...
We present the Obligation Specification Language (OSL), a policy language for distributed usage control. OSL supports the formalization of a wide range of usage control requiremen...
Manuel Hilty, Alexander Pretschner, David A. Basin...
Abstract. We provide a formal scripting language to capture the semantics of market mechanisms. The language is based on a set of welldefined principles, and is designed to captur...
Converting a conventional contract into an electronic equivalent that can be executed and enforced by computers is a challenging task. The difficulties are caused by the ambiguiti...
Recently, attention has been given to formally characterize security policies that are enforceable by different kinds of security mechanisms. A very important research problem is ...