This study discusses a novel method called automatic process measurement, which is based on the idea of mining process data from workflow logs. We improve the process mining technique by using Bluetooth wireless technology to do real-time acquisition of process data. The automatic measurement...

The EU Agency for Network and Information Security (ENISA) is proposing a far-reaching "European Cybersecurity Certification Scheme for Cloud Services" (EUCS) to be established in the European Union (EU). According to the latest draft of August 2023, leaked by Politico in September 2023, the...

Die Verlagerung von On-Premise Infrastruktur und Workflows in die Cloud ist schon lange kein Trend mehr, sondern eine gängige und notwendige Unternehmenspraxis. Die Covid-19 Pandemie hat vielen Unternehmen gezeigt, was für eine zentrale Rolle die Nutzung von Cloud-Services heutzutage spielt....

Es stehen mittlerweile mehrere IaC-Tools zur Verfügung, um die Bereitstellung und Konfiguration der Cloud-Infrastruktur zu automatisieren. Mit der Fülle an Auswahlmöglichkeiten gestaltet sich der Auswahlprozess für das geeignete IaC-Tool zunehmend schwieriger. Zusätzlich mangelt es an einer...

Derzeit ist Cloud-Computing eine treibende Kraft in der aktuellen Digitalisierungsdebatte und verspricht Unternehmen jeder Größe viele Vorteile, wie z. B. geringere Einstiegskosten, größere Flexibilität und Skalierbarkeit sowie Kosteneinsparungen gegenüber klassischen IT-Lösungen....

In recent years, process mining has emerged as the leading big data technology for business process analysis. By extracting knowledge from event logs in information systems, process mining provides unprecedented transparency of business processes while being independent of the source system....

When evaluating the significance of calendar effects, such as those associated with Monday and January, it is necessary to control for all possible calendar effects to avoid spurious results. The downside of having to control for a large number of possible calendar effects is that it diminish...

Stock picking is the field of financial analysis that is of particular interest for many professional investors and researchers. In this study stock picking is implemented via binary classification trees. Optimal tree size is believed to be the crucial factor in forecasting performance of the...

Cloud computing has recently shifted into the center of attention of Telecommuications Companies. Deutsche Telekom, for example, just announced the importance of cloud computing as one of their leading growth sectors (Deutsche Telekom Press Release, 2010). Also other important telecommunication...

This paper investigates the upcoming business model of online streaming services allowing music consumers either to subscribe to a service which provides free-of-charge access to streaming music and which is funded by advertising, or to pay a monthly flat fee in order to get ad-free access to...