In MPEG-4 scalable video coding, only a small portion of input data is coded in the base layer, and most signal components remain in enhancement layers. In this paper, we propose a...
Jackson’s Problem Frames provide a means of analysing and decomposing problems. They emphasise the world outside the computer helping the developer to focus on the problem domai...
Lucia Rapanotti, Jon G. Hall, Michael Jackson, Bas...
Abstract. Researchers have recently begun to develop and investigate policy languages to describe trust and security requirements on the Semantic Web. Such policies will be one com...
Wolfgang Nejdl, Daniel Olmedilla, Marianne Winslet...
In this paper we present a model of versioned web sites which is aimed at building a web site configuration. The web site configuration is a consistent version of the web site an...
We introduce an auditing framework for determining whether a database system is adhering to its data disclosure policies. Users formulate audit expressions to specify the (sensiti...
Rakesh Agrawal, Roberto J. Bayardo Jr., Christos F...