26 citations · 36 across the 10 of their papers we have counts for
11 papers
The Role of Emotions in Propagating Brands in Social Networks
Ronald Hochreiter, Christoph Waldhauser
A key aspect of word of mouth marketing are emotions. Emotions in texts help propagating messages in conventional advertising. In word of mouth scenarios, emotions help to engage c…
Public Spheres in Twitter- and Blogosphere. Evidence from the US
Christoph Waldhauser
The political requires a forum for its deliberation and Habermas has located it in the public spheres. Originally, mass media's role was one of a facilitator of these debates. Howe…
Active extension portfolio optimization with non-convex risk measures using metaheuristics
Ronald Hochreiter, Christoph Waldhauser
We consider the optimization of active extension portfolios. For this purpose, the optimization problem is rewritten as a stochastic programming model and solved using a clever mul…
Effects of Sampling Methods on Prediction Quality. The Case of Classifying Land Cover Using Decision Trees
Ronald Hochreiter, Christoph Waldhauser
Clever sampling methods can be used to improve the handling of big data and increase its usefulness. The subject of this study is remote sensing, specifically airborne laser scanni…
Automated Classification of Airborne Laser Scanning Point Clouds
Christoph Waldhauser, Ronald Hochreiter, Johannes Otepka +4
Making sense of the physical world has always been at the core of mapping. Up until recently, this has always dependent on using the human eye. Using airborne lasers, it has become…
Zombie Politics: Evolutionary Algorithms to Counteract the Spread of Negative Opinions
Ronald Hochreiter, Christoph Waldhauser
This paper is about simulating the spread of opinions in a society and about finding ways to counteract that spread. To abstract away from potentially emotionally laden opinions, w…