E(Electronic)-learning becomes more and more important. Reasons are the paramount importance of knowledge, life-time learning, globalization and mobility. Not all providers of e-learning products succeed in closing the gap between production costs and revenues. Especially in the academic sector...

Durch die Modellierung der Sicherheit betrieblicher Informationssysteme kann die Komplexität des Sicherheitsproblems in einer Organisation und ihren Geschäftsprozessen reduziert werden. Das Erkennen von Sicherheitsanforderungen sowie optimaler Handlungsalternativen in Form geeigneter...

The complexity of an organization's security problem can be reduced by modelling security issues of business information systems. This facilitates analyzing and detecting security requirements and optimal operational alternatives (i.e. suitable security measures). DROPS (dimension-relational...

Durch die Modellierung der Sicherheit betrieblicher Informationssysteme kann die Komplexität des Sicherheitsproblems in einer Organisation und ihren Geschäftsprozessen reduziert werden. Das Erkennen von Sicherheitsanforderungen sowie optimaler Handlungsalternativen in Form geeigneter...

Price comparison services are being used by more and more internet users worldwide tocompare prices of (online-)suppliers. The characteristics of price comparison services differinternationally. Not only are they different in the reference to their scope of work. Also with regard tothe technical...

Several domain-specific assistants in the form of chatbots have conquered many commercial and private areas. However, there is still a limited level of systematic knowledge of the distinctive characteristics of design elements for chatbots to facilitate development, adoption, implementation, and...

Predictive maintenance (PdM) is an important application of the Internet of Things (IoT) discussed in many companies, especially in the manufacturing industry. PdM uses data, usually sensor data, to optimize maintenance activities. We develop a taxonomy to classify PdM business models that...

Today´s derivative pricing base on stochastic models developed in the 70´s. These models base on some unrealistic assumptions. The system Warrant Pro 1 presented here combines the software agent PISA (Partially Intelligent Software Agent) and the neurosimulator FAUN (Fast Approximation with...