We discuss a social decision making model in which individuals, represented by nodes, interact with each other through ties in a social network. Each node takes its decisions considering a set of points of view in a multiple criteria decision making perspective. Our model suggests the interplay...

This paper describes how to use the R package gateveys to establish a transparent and reproducible aggregation work flow for longitudinal data stemming from business tendency surveys (BTS). Business tendency survey researchers are addressed in particular though the suggested work flow could also...

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....

We consider a streaming platform which carries content from various upstream content providers. Participating customers face personalized recommendations from the platform and consume a mix of content originating from each provider. We analyze when the platform uses its personalized...

The idea behind the methodology proposed in this paper is to show the utilities that it can offer, a software tool to make recommendations to the banking users when making a claim against a bad practice from their banks or wish to make an inquiry in order to ascertain the chances of a favorable...

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...