In this paper, we propose a new form of image-based CAPTCHA we term "scene tagging". It tests the ability to recognize a relationship between multiple objects in an imag...
WS-* specifications cover a variety of issues ranging from security and reliability to transaction support in web services. However, these specifications do not address web servic...
Language-based and process calculi-based information security are well developed fields of computer security. Although these fields have much in common, it is somewhat surprising...
In this paper we compare two information flow security properties: the lazy security (L-Sec) [11] and the Bisimulation Non-deducibility on Compositions (BNDC) [4]. To make this we...
The UML is the de facto standard for system specification, but offers little specialized support for the specification and analysis of policies. This paper presents Deontic STAIRS,...