The common paradigm of searching and retrieving information on the Web is based on keyword-based search using one or more search engines, and then browsing through the large numbe...
Distributed work is becoming a major issue for a large part of the work force and distributed collaborative research has almost become the norm. Consequently, distributed communic...
We present the architecture and a performance assessment of an extensible query optimizer written in Venus. Venus is a general-purpose active-database rule language embedded in C+...
: The aim of this paper is to present an approach and automated tools for designing knowledge bases describing the contents of information sources in PICSEL2 knowledgediators. We a...
Computing aggregates over selected categories of multidimensional discrete data (MDD) cubes is the core operation of many on-line analytical processing (OLAP) systems. In order to...