The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
: Access control is an important aspect in guaranteeing data privacy within XML data sources which are accessed by users with different access rights. The goal of predicative acces...
: The growing use of XML in commercial as well as non-commercial domains to transport information poses new challenges to concepts to access these information. Common ways to acces...
Peter Baumgartner, Ulrich Furbach, Margret Gro&szl...
In this paper we present HearSay, a system for browsing hypertext Web documents via audio. The HearSay system is based on our novel approach to automatically creating audio browsa...
Abstract. The maintenance of large knowledge systems usually is a rather complex task. In this paper we will show that extensions or modifications of a knowledge base can be suppo...
Dietmar Seipel, Joachim Baumeister, Marbod Hopfner