D ecision support systems are the core of business IT infrastructures because they give companies a way to translate a wealth of business information into tangible and lucrative results. Collecting, maintaining, and analyzing large amounts of data, however, are mammoth tasks that involve significant technical challenges, expenses, and organizational commitment. Online transaction processing sys...

D ecision support systems are the core of business IT infrastructures because they give companies a way to translate a wealth of business information into tangible and lucrative results. Collecting, maintaining, and analyzing large amounts of data, however, are mammoth tasks that involve significant technical challenges, expenses, and organizational commitment. Online transaction processing sys...

Web services are the backbone of WISDOM system, an information and visualisation system supporting decision makers in the fields of water related management processes based on open source technologies. They enable the distributed and loosely coupled, component based architecture of the system. In cooperating OGC compliant web services for data access, visualisation and data processing the syste...

Business process monitoring enables a fast and specific overview of the process executions in an enterprise. Traditionally, this kind of monitoring requires a coherent event log. Yet, in reality, execution information is often heterogeneous and distributed. In this paper, we present an approach that enables monitoring of business processes with execution data, independently of the structure and...

Business Intelligence systems are based on traditional OLAP, data mining, and approximate query processing. Generally, these activities allow to extract information and knowledge from large volumes of data and to support decisional makers as concerns strategic choices to be taken in order to improve the business processes of the Information System. Among these, only approximate query processing...