A mixture model incorporating long-term survivors has been adopted in the field of biostatistics where some individuals may never experience the failure event under study. The surviving fractions may be considered as cured. In most applications, the survival times are assumed to be independent....

The number of software vendors offering ‘Software-as-a-Service’ has been increasing in recent years. In the Software-as-a-Service model software is operated by the software vendor and delivered to the customer as a service. Existing business models and industry structures are challenged by...

Das Konzept einer Web-orientierten Architektur (WOA) beschreibt die Umsetzung eines verteilten Systems nach dem Vorbild des Internets. Das Ziel ist hierbei, ein kostengünstiges, flexibles und wartbares IT-System für Unternehmen umzusetzen, welches die Vorzüge der im Internet entstehenden...

Software-as-a-Service (SaaS) is a software delivery model whereby softwareapplications, such as Enterprise Resource Planning (ERP), Customer RelationshipManagement (CRM), Human Resource administration and payroll and Procurement, arehosted centrally by various service providers at their...