Most data collected in statistics and science is still stored in simple flat files, usually data matrices with rows identified by a case identifier (case_id), columns corresponding to attributes (variables), and numerical data types for the elements of each matrix due to coding of all attributes...

Das Modell von Warburton zur analytischen Untersuchung des Peitscheneffekts für den Fall eines konstanten Nachfrageverlaufs führt zu einer verzögerten Differentialgleichung, wobei die Einflussgrößen des Peitscheneffekts die Wiederbeschaffungsverzögerungszeit und die Lagerperiode sind. Die...

AbstractThe following sections are included:SummaryIntroductionMotivationEvaluation frameworkMethodologyData selection and acquisitionSample characteristicsEvaluation methodData AnalysisIT budget trendsTechnology adoptionInternal organizationIT and business process outsourcingTrading...

MMM is an infrastructure for managing the deployment and use of distributed application services on the WWW. MMM propagates a paradigm that enables the leasing of software components, as opposed to the classical software licensing model Applications reside and execute on the software provider's...

Spatial joins are join operations that involve spatial data types and operators. Spatial access methods are often used to speed up the computation of spatial joins. This paper addresses the issue of benchmarking spatial join operations. For this purpose, we first present a WWW-based tool to...

Radio Frequency Identification (RFID) has started to exert a major influence on modern supply chain management. In manufacturing, RFID changes the way objects are tracked on the shop floor and how manufactured goods interact with the production environment. In logistics, RFID is used to track...