This paper extends the principles of open source software development to a non-industry-specific level by introducing the Open Source Innovation (OSI) model. OSI exhibits main differences to other related models and concepts such as the private-collective model, commons-based peer production,...

For a period starting in 2015, Apple, Google, and Microsoft became the most valuable companies in the world. Each was marked by an external developer ecosystem. Anecdotally, at least, developers matter. Using a formal model of code spillovers, we show how a rising number of developers can invert...

Die Techniken und Methoden des Virtual Engineering bieten die Chance auf frühzeitig verfügbare, realistische Produktdarstellungen. Diese Produktdarstellungen können als virtuelle Stimuli in Kundentests eingesetzt werden. Ziel der Kundentests ist die Bewertung der Akzeptanz neuer...

In the engine development process, simulation and predictive programs have continuously gained in reliance. Due to the complexity of future internal combustion engines the application of simulation programs towards a reliable “virtual engine development” is a need that represents one of the...

We can say that you cannot maintain yourself on the current market of rural tourism operators unless you provide customers with quality products and services, prepared foods safe for consumption, and, not least, if you do not prove you are concerned with ensuring a healthy and clean environment,...

Successfully implementing and maintaining a quality management system in tourism facilities in which you can practice balneotherapeutic tourism can contribute to tourism development especially in the coastal and mountain area (but also in other areas that enjoy the presence of balneotherapeutic...

We can say that you cannot maintain yourself on the current market of rural tourism operators unless you provide customers with quality products and services, prepared foods safe for consumption, and, not least, if you do not prove you are concerned with ensuring a healthy and clean environment,...

Successfully implementing and maintaining a quality management system in tourism facilities in which you can practice balneotherapeutic tourism can contribute to tourism development especially in the coastal and mountain area (but also in other areas that enjoy the presence of balneotherapeutic...