Predicting the duration of surgeries to Improve Process Efficiency in Hospitals. - Martin Riekert; Marc Premm; Achim Klein; Lyubomir Kirilov; Hannes Kenngott; Martin Apitz; Martin Wagner 001; Lena-Marie Ternes (ECIS, 2017)

Increasing the Explanatory Power of Investor Sentiment Analysis for Commodities in Online Media. - Achim Klein; Martin Riekert; Lyubomir Kirilov; Jörg Leukel (BIS, 2018)

Cryptocurrency Crashes: A Dataset for Measuring the Effect of Regulatory News in Online Media. - Achim Klein; Lyubomir Kirilov; Martin Riekert (SysRisk@Wirtschaftsinformatik, 2019)