Publications: Dr. oec. Achim Klein

Title	Year	Literature Type	Authors
Increasing the explanatory power of investor sentiment analysis for commodities in online media Proceedings of the 21st International Conference on Business Information Systems (BIS 2018)	2018	Contribution to conference	Klein, A.; Riekert, M.; Kirilov, L.; Leukel J.
Predicting the Duration of Surgeries to Improve Process Efficiency in Hospitals Proceedings of the 25th European Conference on Information Systems (ECIS 2017)	2017	Contribution to conference	Riekert, M.; Premm, M.; Klein, A.; Kirilov, L.; Kenngott, H.; Apitz, M.; Wagner, M.; Ternes, L.
Investor Sentiment in Blogs: Design of a Classifier and Validation by a Portfolio Simulation	2016	Doctoral thesis	Klein, A.
Online Media Sentiment: Understanding Machine Learning-based Classifiers Proceedings of the 24th European Conference on Information Systems (ECIS 2016)	2016	Contribution to conference	Riekert, M.; Leukel, J.; Klein, A.
Modelling Processes in Fractalized Hospitals with Multiagent Systems and Data Analytics Proceedings of the 9th International Symposium on eHealth Services and Technology (EHST 2015)	2015	Contribution to conference	Premm, M.; Riekert, M.; Klein, A.; Kirn, S.
Towards data-driven analysis of perioperative surgical treatment processes Proceedings der 14. Jahrestagung der Deutschen Gesellschaft für Computer- und Roboterassistierte Chirurgie (CURAC 2015)	2015	Contribution to conference	Wagner, M., Ternes, L. M., Apitz, M., Rempel, R., Schneider, G., Riekert, M., Klein, A., Bergh, B., Müller-Stich, B. P., Kenngott, H. G.
Combined Approach for Extracting Object-specific Investor Sentiment from Weblogs Proceedings of the 11th International Conference on Wirtschaftsinformatik (WI 2013)	2013	Contribution to conference	Klein A.; Altuntas, O.; Riekert, M.; Dinev, V.
Extracting Investor Sentiment from Weblog Texts: A Knowledge-based Approach Proceedings of the 13th IEEE Conference on Commerce and Enterprise Computing (CEC 2011) (Best Paper Award)	2011	Contribution to conference	Klein, A.; Altuntas, O.; Haeusser, T.; Kessler, W.:
Individualization of Goods and Services: Towards a Logistics Knowledge Infrastructure for Agile Supply Chains Proceedings of the AAAI Spring Symposium 2011	2011	Contribution to conference	Leukel, J.; Jacob, A.; Karaenke, P.; Kirn, S.; Klein, A.
Georeferenzierung in der Logistik Proceedings der 9. Internationalen Tagung Wirtschaftsinformatik 2009	2009	Contribution to conference	Schüle, M.; Karaenke, P.; Klein, A.; Bieser, T.
SOAP based Message Transport for the Jade Multiagent Platform Industry Track Proceedings of the 8th International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS 2009)	2009	Contribution to conference	Micsik, A.; Pallinger, P.; Klein, A.
BREIN: Individualisierung von Logistikdienstleistungen an Flughäfen durch Elektronische Märkte Individualization Engineering	2008	Book chapter	Karänke, P.; Schüle, M.; Klein, A.; Bieser, T.; Kirn, S.
Georeferenzierung in der Logistik Individualization Engineering	2008	Book chapter	Schüle, M.; Karaenke, P.; Klein, A.; Bieser, T.; Kirn, S.
Individualisierung von Kapitalmarktreports: Entscheidungsunterstützung für Investoren Individualization Engineering	2008	Book chapter	Klein, A.; Kirn, S.
Individualisierung von Logistikleistungen an Flughäfen durch Elektronische Märkte Individualization Engineering	2008	Book chapter	Karaenke, P.; Schüle, M.; Klein, A.; Bieser, T.; Kirn, S.
Individualisierung von Sachgütern und Dienstleistungen durch Adaptivität von Wertschöpfungssystemen in Raum, Zeit und Ökonomie Individualization Engineering	2008	Book chapter	Kirn, S.; Anhalt, C.; Bieser, T.; Jacob, A.; Klein, A.;
Who Drives the Market? Estimating a Heterogeneous Agent-based Financial Market Model Using a Neural Network Approach Presented at Conference on Computing in Economics and Finance (CEF 2008)	2008	Contribution to conference	Klein, A.; Urbig, D.; Kirn, S.