Since the terms Data Warehouse and On-Line Analytical Processing were proposed by Inmon and Codd, Codd, Sally respectively the traditional ideas of creating information systems in support of management¿s decision became interesting again in theory and practice. Today information warehousing is...

Der vorliegende Bericht systematisiert verschiedene Formen des Prosuming und erarbeitet einen Klassifikationsrahmen speziell für die computergestützte Konfiguration digitaler Produkte. Innovative Telekommunikationsdienstleistungen wie unified messaging oder locationbased services sind...

Im vorliegenden Arbeitsbericht wird die Aufwandsplanung zur Unterstützung des Managements von Softwareentwicklungsprojekten konzipiert. Im Gegensatz zur bisher üblichen Aufwandschätzung, deren Ergebnisse lediglich Ausgangsdatum der Projektplanung und steuerung sind, betont die...

Die Zusammenhänge zwischen Merkmalen eines Software-Altsystems und den daraus resultierenden Kosten für bestimmte Reengineering-Aktivitäten sind nahezu unerforscht. Der vorliegende Arbeitsbericht schildert die experimentelle Untersuchung von drei ausgewählten Einflußfaktoren bei einer für...

This paper analyses the relationship between corporate governance, state ownership and cross-listing by using data from 2,113 Chinese A-share listed firms during the period 2008 to 2013. Firstly, corporate governance features in state-owned vs. non-state-owned and cross-listed vs....

This paper quantifies the technical efficiency of German bus companies and elaborates on the main factors influencing their performance. Efficiency is measured with a stochastic production frontier. We test for the impact on efficiency of ownership structure and participation at tendering....

The German education system is currently undergoing a reorientation from formerly exclusively input-based control towards output-based measures of quality assurance in schools and universities. A crucial instrument in this reform process is the implementation of educational standards. This...

The finals of bicycle races have certain peculiarities compared to other sports. The leading group in a bicycle race rides comparatively slowly up to a few meters before the finishing line, until one of the competitors tries to shake off his opponents. Only then do all riders perform to the...

Children adopt unhealthy adult food patterns at the latest by the age of four. This critical food and health behaviour acquired in childhood and youth has a considerable impact on adult disease and mortality rates. Consequently, a decision to adopt healthy eating habits will have a positive...

The paper theoretically analyses the effect of the introduction of the three-point-rule on the strategies in a soccer match. Therefore the expectation values for the goal difference at the end of the game under different strategies both for matches between equally strong teams and (more...