: When designing an XML-based Web Content Management System (WCMS), one usually has to define and maintain two separate entities just for the editorial part: the database schemes ...
VIENA Classroom is a collaborative hypermedia education system which is a component of the Virtual Interactive Environment for Workgroups (VIEW), a collaborative environment based...
Werner Winiwarter, Osami Kagawa, Shin'ichi Konomi,...
Discovering patterns or frequent episodes in transactions is an important problem in data-mining for the purpose of infering deductive rules from them. Because of the huge size of...
In this paper, we propose a method for discovering hidden information from large-scale item set data based on the symmetry of items. Symmetry is a fundamental concept in the theory...
In this work, we present a semantic query optimization technique to improve the efficiency of the evaluation of a subset of SQL:1999 recursive queries. Using datalog notation, we c...