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Browsing by Author "Lessmann, Stefan"
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2020-03-27ZeitschriftenartikelForex exchange rate forecasting using deep recurrent neural networks Dautel, Alexander Jakob; Härdle, Wolfgang Karl; Lessmann, Stefan; Seow, Hsin-VonnDeep learning has substantially advanced the state of the art in computer vision, natural language processing, and other fields. The paper examines the potential of deep learning for exchange rate forecasting. We systematically ...
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2017-11-06DiskussionspapierIs Scientific Performance a Function of Funds? Zharova, Alona; Härdle, Wolfgang Karl; Lessmann, StefanThe management of universities demands data on teaching and research performance. While teaching parameters can be measured via student performance and teacher evaluation programs, the connection of research outputs and ...
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2019-04-16ZeitschriftenartikelTopic modeling for analyzing open-ended survey responses Pietsch, Andra-Selina; Lessmann, StefanOpen-ended responses are widely used in market research studies. Processing of such responses requires labour-intensive human coding. This paper focuses on unsupervised topic models and tests their ability to automate the ...
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2020-09-10ZeitschriftenartikelUsage Continuance in Software-as-a-Service Baumann, Elias; Kern, Jana; Lessmann, StefanSoftware-as-a-service applications are experiencing immense growth as their comparatively low cost makes them an important alternative to traditional software. Following the initial adoption phase, vendors are now concerned ...