[{"quality_controlled":"1","citation":{"apa":"Geierhos, M. (2016). Webmonitoring. In N. Gronau, J. Becker, E. Sinz, L. Suhl, &#38; J. M. Leimeister (Eds.), <i>Enzyklopädie der Wirtschaftsinformatik</i> (9th ed.). Berlin, Germany: GITO-Verlag.","ieee":"M. Geierhos, “Webmonitoring,” in <i>Enzyklopädie der Wirtschaftsinformatik</i>, 9th ed., N. Gronau, J. Becker, E. Sinz, L. Suhl, and J. M. Leimeister, Eds. Berlin, Germany: GITO-Verlag, 2016.","short":"M. Geierhos, in: N. Gronau, J. Becker, E. Sinz, L. Suhl, J.M. Leimeister (Eds.), Enzyklopädie der Wirtschaftsinformatik, 9th ed., GITO-Verlag, Berlin, Germany, 2016.","chicago":"Geierhos, Michaela. “Webmonitoring.” In <i>Enzyklopädie der Wirtschaftsinformatik</i>, edited by Norbert Gronau, Jörg Becker, Elmar Sinz, Leena Suhl, and Jan M. Leimeister, 9th ed. Berlin, Germany: GITO-Verlag, 2016.","mla":"Geierhos, Michaela. “Webmonitoring.” <i>Enzyklopädie der Wirtschaftsinformatik</i>, edited by Norbert Gronau et al., 9th ed., GITO-Verlag, 2016.","ama":"Geierhos M. Webmonitoring. In: Gronau N, Becker J, Sinz E, Suhl L, Leimeister JM, eds. <i>Enzyklopädie der Wirtschaftsinformatik</i>. 9th ed. Berlin, Germany: GITO-Verlag; 2016.","bibtex":"@inbook{Geierhos_2016, place={Berlin, Germany}, edition={9}, title={Webmonitoring}, booktitle={Enzyklopädie der Wirtschaftsinformatik}, publisher={GITO-Verlag}, author={Geierhos, Michaela}, editor={Gronau, Norbert and Becker, Jörg and Sinz, Elmar and Suhl, Leena and Leimeister, Jan M.Editors}, year={2016} }"},"oa":"1","place":"Berlin, Germany","status":"public","editor":[{"last_name":"Gronau","first_name":"Norbert","full_name":"Gronau, Norbert"},{"first_name":"Jörg","last_name":"Becker","full_name":"Becker, Jörg"},{"first_name":"Elmar","last_name":"Sinz","full_name":"Sinz, Elmar"},{"full_name":"Suhl, Leena","first_name":"Leena","last_name":"Suhl"},{"last_name":"Leimeister","first_name":"Jan M.","full_name":"Leimeister, Jan M."}],"user_id":"13929","_id":"1152","edition":"9","publisher":"GITO-Verlag","publication":"Enzyklopädie der Wirtschaftsinformatik","department":[{"_id":"36"},{"_id":"1"},{"_id":"579"}],"type":"encyclopedia_article","keyword":["Webmonitoring"],"date_created":"2018-01-31T13:49:30Z","date_updated":"2022-01-06T06:51:02Z","publication_status":"published","author":[{"full_name":"Geierhos, Michaela","orcid":"0000-0002-8180-5606","first_name":"Michaela","last_name":"Geierhos","id":"42496"}],"title":"Webmonitoring","year":"2016","language":[{"iso":"ger"}],"main_file_link":[{"open_access":"1","url":"http://www.wi-lex.de/lexikon/daten-wissen/Business-Intelligence/Analytische-Informationssysteme--Methoden-der-/webmonitoring/webmonitoring/?searchterm=webmonitoring"}]},{"publication_status":"published","date_updated":"2022-01-06T06:51:02Z","year":"2016","title":"Sentimentanalyse","author":[{"first_name":"Michaela","last_name":"Geierhos","orcid":"0000-0002-8180-5606","full_name":"Geierhos, Michaela","id":"42496"}],"main_file_link":[{"open_access":"1","url":"http://www.wi-lex.de/lexikon/daten-wissen/Business-Intelligence/Analytische-Informationssysteme--Methoden-der-/sentimentanalyse/"}],"language":[{"iso":"ger"}],"publication":"Enzyklopädie der Wirtschaftsinformatik","keyword":["Sentimentanalyse"],"type":"encyclopedia_article","department":[{"_id":"36"},{"_id":"1"},{"_id":"579"}],"date_created":"2018-01-31T14:02:08Z","status":"public","user_id":"42496","editor":[{"full_name":"Gronau, Norbert","first_name":"Norbert","last_name":"Gronau"},{"full_name":"Becker, Jörg","first_name":"Jörg","last_name":"Becker"},{"full_name":"Sinz, Elmar","first_name":"Elmar","last_name":"Sinz"},{"first_name":"Leena","last_name":"Suhl","full_name":"Suhl, Leena"},{"last_name":"Leimeister","first_name":"Jan M.","full_name":"Leimeister, Jan M."}],"_id":"1153","publisher":"GITO-Verlag","edition":"9","quality_controlled":"1","citation":{"ieee":"M. Geierhos, “Sentimentanalyse,” in <i>Enzyklopädie der Wirtschaftsinformatik</i>, 9th ed., N. Gronau, J. Becker, E. Sinz, L. Suhl, and J. M. Leimeister, Eds. Berlin, Germany: GITO-Verlag, 2016.","apa":"Geierhos, M. (2016). Sentimentanalyse. In N. Gronau, J. Becker, E. Sinz, L. Suhl, &#38; J. M. Leimeister (Eds.), <i>Enzyklopädie der Wirtschaftsinformatik</i> (9th ed.). Berlin, Germany: GITO-Verlag.","chicago":"Geierhos, Michaela. “Sentimentanalyse.” In <i>Enzyklopädie der Wirtschaftsinformatik</i>, edited by Norbert Gronau, Jörg Becker, Elmar Sinz, Leena Suhl, and Jan M. Leimeister, 9th ed. Berlin, Germany: GITO-Verlag, 2016.","short":"M. Geierhos, in: N. Gronau, J. Becker, E. Sinz, L. Suhl, J.M. Leimeister (Eds.), Enzyklopädie der Wirtschaftsinformatik, 9th ed., GITO-Verlag, Berlin, Germany, 2016.","mla":"Geierhos, Michaela. “Sentimentanalyse.” <i>Enzyklopädie der Wirtschaftsinformatik</i>, edited by Norbert Gronau et al., 9th ed., GITO-Verlag, 2016.","bibtex":"@inbook{Geierhos_2016, place={Berlin, Germany}, edition={9}, title={Sentimentanalyse}, booktitle={Enzyklopädie der Wirtschaftsinformatik}, publisher={GITO-Verlag}, author={Geierhos, Michaela}, editor={Gronau, Norbert and Becker, Jörg and Sinz, Elmar and Suhl, Leena and Leimeister, Jan M.Editors}, year={2016} }","ama":"Geierhos M. Sentimentanalyse. In: Gronau N, Becker J, Sinz E, Suhl L, Leimeister JM, eds. <i>Enzyklopädie der Wirtschaftsinformatik</i>. 9th ed. Berlin, Germany: GITO-Verlag; 2016."},"oa":"1","place":"Berlin, Germany"},{"status":"public","editor":[{"full_name":"Gronau, Norbert","last_name":"Gronau","first_name":"Norbert"},{"full_name":"Becker, Jörg","first_name":"Jörg","last_name":"Becker"},{"full_name":"Sinz, Elmar","last_name":"Sinz","first_name":"Elmar"},{"full_name":"Suhl, Leena","first_name":"Leena","last_name":"Suhl"},{"last_name":"Leimeister","first_name":"Jan M.","full_name":"Leimeister, Jan M."}],"user_id":"13929","edition":"9","_id":"1154","publisher":"GITO-Verlag","quality_controlled":"1","citation":{"short":"M. Geierhos, in: N. Gronau, J. Becker, E. Sinz, L. Suhl, J.M. Leimeister (Eds.), Enzyklopädie der Wirtschaftsinformatik, 9th ed., GITO-Verlag, Berlin, Germany, 2016.","ama":"Geierhos M. Text Mining. In: Gronau N, Becker J, Sinz E, Suhl L, Leimeister JM, eds. <i>Enzyklopädie der Wirtschaftsinformatik</i>. 9th ed. Berlin, Germany: GITO-Verlag; 2016.","chicago":"Geierhos, Michaela. “Text Mining.” In <i>Enzyklopädie der Wirtschaftsinformatik</i>, edited by Norbert Gronau, Jörg Becker, Elmar Sinz, Leena Suhl, and Jan M. Leimeister, 9th ed. Berlin, Germany: GITO-Verlag, 2016.","bibtex":"@inbook{Geierhos_2016, place={Berlin, Germany}, edition={9}, title={Text Mining}, booktitle={Enzyklopädie der Wirtschaftsinformatik}, publisher={GITO-Verlag}, author={Geierhos, Michaela}, editor={Gronau, Norbert and Becker, Jörg and Sinz, Elmar and Suhl, Leena and Leimeister, Jan M.Editors}, year={2016} }","mla":"Geierhos, Michaela. “Text Mining.” <i>Enzyklopädie der Wirtschaftsinformatik</i>, edited by Norbert Gronau et al., 9th ed., GITO-Verlag, 2016.","apa":"Geierhos, M. (2016). Text Mining. In N. Gronau, J. Becker, E. Sinz, L. Suhl, &#38; J. M. Leimeister (Eds.), <i>Enzyklopädie der Wirtschaftsinformatik</i> (9th ed.). Berlin, Germany: GITO-Verlag.","ieee":"M. Geierhos, “Text Mining,” in <i>Enzyklopädie der Wirtschaftsinformatik</i>, 9th ed., N. Gronau, J. Becker, E. Sinz, L. Suhl, and J. M. Leimeister, Eds. Berlin, Germany: GITO-Verlag, 2016."},"oa":"1","place":"Berlin, Germany","publication_status":"published","date_updated":"2022-01-06T06:51:02Z","author":[{"full_name":"Geierhos, Michaela","first_name":"Michaela","last_name":"Geierhos","orcid":"0000-0002-8180-5606","id":"42496"}],"title":"Text Mining","year":"2016","language":[{"iso":"ger"}],"main_file_link":[{"url":"http://www.wi-lex.de/lexikon/technologien-methoden/text-mining/text-mining/?searchterm=text%20mining","open_access":"1"}],"publication":"Enzyklopädie der Wirtschaftsinformatik","department":[{"_id":"36"},{"_id":"1"},{"_id":"579"}],"type":"encyclopedia_article","keyword":["Text Mining"],"date_created":"2018-01-31T14:06:36Z"},{"publication":"Enzyklopädie der Wirtschaftsinformatik","type":"encyclopedia_article","keyword":["Crawler"],"department":[{"_id":"36"},{"_id":"1"},{"_id":"579"}],"date_created":"2018-01-31T14:08:52Z","publication_status":"published","date_updated":"2022-01-06T06:51:02Z","year":"2016","title":"Crawler (fokussiert / nicht fokussiert)","author":[{"id":"42496","full_name":"Geierhos, Michaela","orcid":"0000-0002-8180-5606","first_name":"Michaela","last_name":"Geierhos"}],"main_file_link":[{"open_access":"1","url":"http://www.wi-lex.de/lexikon/technologien-methoden/crawler-fokussiert-nicht-fokussiert/crawler-fokussiert-nicht-fokussiert/?searchterm=crawler"}],"language":[{"iso":"ger"}],"quality_controlled":"1","citation":{"ieee":"M. Geierhos, “Crawler (fokussiert / nicht fokussiert),” in <i>Enzyklopädie der Wirtschaftsinformatik</i>, 9th ed., N. Gronau, J. Becker, E. Sinz, L. Suhl, and J. M. Leimeister, Eds. Berlin, Germany: GITO-Verlag, 2016.","apa":"Geierhos, M. (2016). Crawler (fokussiert / nicht fokussiert). In N. Gronau, J. Becker, E. Sinz, L. Suhl, &#38; J. M. Leimeister (Eds.), <i>Enzyklopädie der Wirtschaftsinformatik</i> (9th ed.). Berlin, Germany: GITO-Verlag.","chicago":"Geierhos, Michaela. “Crawler (fokussiert / nicht fokussiert).” In <i>Enzyklopädie der Wirtschaftsinformatik</i>, edited by Norbert Gronau, Jörg Becker, Elmar Sinz, Leena Suhl, and Jan M. Leimeister, 9th ed. Berlin, Germany: GITO-Verlag, 2016.","short":"M. Geierhos, in: N. Gronau, J. Becker, E. Sinz, L. Suhl, J.M. Leimeister (Eds.), Enzyklopädie der Wirtschaftsinformatik, 9th ed., GITO-Verlag, Berlin, Germany, 2016.","mla":"Geierhos, Michaela. “Crawler (fokussiert / nicht fokussiert).” <i>Enzyklopädie der Wirtschaftsinformatik</i>, edited by Norbert Gronau et al., 9th ed., GITO-Verlag, 2016.","bibtex":"@inbook{Geierhos_2016, place={Berlin, Germany}, edition={9}, title={Crawler (fokussiert / nicht fokussiert)}, booktitle={Enzyklopädie der Wirtschaftsinformatik}, publisher={GITO-Verlag}, author={Geierhos, Michaela}, editor={Gronau, Norbert and Becker, Jörg and Sinz, Elmar and Suhl, Leena and Leimeister, Jan M.Editors}, year={2016} }","ama":"Geierhos M. Crawler (fokussiert / nicht fokussiert). In: Gronau N, Becker J, Sinz E, Suhl L, Leimeister JM, eds. <i>Enzyklopädie der Wirtschaftsinformatik</i>. 9th ed. Berlin, Germany: GITO-Verlag; 2016."},"oa":"1","place":"Berlin, Germany","status":"public","user_id":"13929","editor":[{"first_name":"Norbert","last_name":"Gronau","full_name":"Gronau, Norbert"},{"full_name":"Becker, Jörg","last_name":"Becker","first_name":"Jörg"},{"full_name":"Sinz, Elmar","last_name":"Sinz","first_name":"Elmar"},{"full_name":"Suhl, Leena","last_name":"Suhl","first_name":"Leena"},{"last_name":"Leimeister","first_name":"Jan M.","full_name":"Leimeister, Jan M."}],"_id":"1155","edition":"9","publisher":"GITO-Verlag"},{"place":"Austin, TX, USA","oa":"1","citation":{"mla":"Dollmann, Markus, and Michaela Geierhos. “On- and Off-Topic Classification and Semantic Annotation of User-Generated Software Requirements.” <i>Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing (EMNLP)</i>, Association for Computational Linguistics (ACL), 2016, pp. 1807–16.","ama":"Dollmann M, Geierhos M. On- and Off-Topic Classification and Semantic Annotation of User-Generated Software Requirements. In: <i>Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing (EMNLP)</i>. Austin, TX, USA: Association for Computational Linguistics (ACL); 2016:1807-1816.","bibtex":"@inproceedings{Dollmann_Geierhos_2016, place={Austin, TX, USA}, title={On- and Off-Topic Classification and Semantic Annotation of User-Generated Software Requirements}, booktitle={Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing (EMNLP)}, publisher={Association for Computational Linguistics (ACL)}, author={Dollmann, Markus and Geierhos, Michaela}, year={2016}, pages={1807–1816} }","apa":"Dollmann, M., &#38; Geierhos, M. (2016). On- and Off-Topic Classification and Semantic Annotation of User-Generated Software Requirements. In <i>Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing (EMNLP)</i> (pp. 1807–1816). Austin, TX, USA: Association for Computational Linguistics (ACL).","ieee":"M. Dollmann and M. Geierhos, “On- and Off-Topic Classification and Semantic Annotation of User-Generated Software Requirements,” in <i>Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing (EMNLP)</i>, Austin, TX, USA, 2016, pp. 1807–1816.","short":"M. Dollmann, M. Geierhos, in: Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing (EMNLP), Association for Computational Linguistics (ACL), Austin, TX, USA, 2016, pp. 1807–1816.","chicago":"Dollmann, Markus, and Michaela Geierhos. “On- and Off-Topic Classification and Semantic Annotation of User-Generated Software Requirements.” In <i>Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing (EMNLP)</i>, 1807–16. Austin, TX, USA: Association for Computational Linguistics (ACL), 2016."},"file_date_updated":"2018-03-21T12:33:48Z","project":[{"name":"SFB 901","_id":"1"},{"_id":"3","name":"SFB 901 - Project Area B"},{"_id":"9","name":"SFB 901 - Subproject B1"}],"quality_controlled":"1","publisher":"Association for Computational Linguistics (ACL)","_id":"176","page":"1807-1816","ddc":["040"],"user_id":"15504","conference":{"end_date":"2016-11-05","start_date":"2016-11-01","name":"Conference on Empirical Methods in Natural Language Processing (EMNLP 2016)","location":"Austin, TX, USA"},"status":"public","has_accepted_license":"1","date_created":"2017-10-17T12:41:26Z","file":[{"file_id":"1535","content_type":"application/pdf","success":1,"file_name":"176-D16-1186.pdf","access_level":"closed","file_size":259495,"relation":"main_file","date_updated":"2018-03-21T12:33:48Z","date_created":"2018-03-21T12:33:48Z","creator":"florida"}],"department":[{"_id":"36"},{"_id":"1"},{"_id":"579"}],"type":"conference","publication":"Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing (EMNLP)","abstract":[{"text":"Users prefer natural language software requirements because of their usability and accessibility. When they describe their wishes for software development, they often provide off-topic information. We therefore present an automated approach for identifying and semantically annotating the on-topic parts of the given descriptions. It is designed to support requirement engineers in the requirement elicitation process on detecting and analyzing requirements in user-generated content. Since no lexical resources with domain-specific information about requirements are available, we created a corpus of requirements written in controlled language by instructed users and uncontrolled language by uninstructed users. We annotated these requirements regarding predicate-argument structures, conditions, priorities, motivations and semantic roles and used this information to train classifiers for information extraction purposes. The approach achieves an accuracy of 92% for the on- and off-topic classification task and an F1-measure of 72% for the semantic annotation.","lang":"eng"}],"language":[{"iso":"eng"}],"main_file_link":[{"open_access":"1","url":"https://www.aclweb.org/anthology/D16-1186"}],"author":[{"full_name":"Dollmann, Markus","last_name":"Dollmann","first_name":"Markus","id":"27578"},{"last_name":"Geierhos","first_name":"Michaela","orcid":"0000-0002-8180-5606","full_name":"Geierhos, Michaela","id":"42496"}],"title":"On- and Off-Topic Classification and Semantic Annotation of User-Generated Software Requirements","year":"2016","date_updated":"2022-01-06T06:53:15Z","publication_status":"published"},{"issue":"1","publication":"Schmalenbachs Zeitschrift für betriebswirtschaftliche Forschung","abstract":[{"lang":"ger","text":"Die (Wieder-)Einführung einer Vermögensteuer ist in den vergangenen Jahren erneut in den Fokus der politischen Diskussion gerückt. Der vorliegende Beitrag vermittelt einen Eindruck von den Belastungswirkungen, die aus der Umsetzung von aktuell vorliegenden Besteuerungskonzepten resultieren würden. Auf der Basis von realen Jahresabschlussdaten wird eine mehrperiodige Veranlagungssimulation durchgeführt, die insbesondere ermöglicht, den zu erwartenden Eigenkapitalverzehr sowie den Anstieg der Steuerbelastung für die betrachtete Stichprobe zu quantifizieren. Von besonderem Interesse sind hierbei Unternehmen, deren laufende Erträge nicht ausreichen, um die Belastungen durch die Vermögensteuer zu tragen und damit einem Substanzverzehr ausgesetzt sind. Es zeigt sich, dass etwa die Hälfte der Unternehmen im Untersuchungszeitraum von sechs Jahren in mindestens einem Jahr einen Substanzverzehr erfährt. Der Vermögensteuer kommt somit keinesfalls der vielfach postulierte Charakter einer eher mäßig belastenden und im Wesentlichen substanzverschonenden Steuer zu. Zusatzbelastungen von knapp 100 bis zu 300 % der Ertragsteuerlast sind keine Seltenheit und veranschaulichen das Gefährdungspotenzial dieser Steuer für den Wirtschaftsstandort Deutschland."},{"text":"The (re-)introduction of a wealth tax has again become the subject of political debate in recent years. This paper analyzes the impact of implementing the concepts under discussion on the overall tax burden and on companies’ equity. Simulating a tax assessment based on real annual financial statement data from German listed firms in a multi-period setting, we quantify the expected equity erosion as well as the increase in the tax burden for the companies in our sample that is induced by wealth taxation at the corporate and shareholder level. Special attention is given to companies whose current yield is very low and thus would have to take additional loans or liquidate assets to settle their wealth tax bill. Our findings indicate that around half of the companies would suffer from wealth tax-induced asset erosion in at least one year within the six-year period under review. In contrast to the usually postulated moderate effects of a wealth tax on firms, we find evidence that the additional burden arising from wealth taxation could realistically range from nearly 100 to 300 % of the profit tax burden, highlighting the magnitude of risk associated with wealth taxation for Germany as a business location.","lang":"eng"}],"date_created":"2018-03-23T14:04:24Z","department":[{"_id":"187"},{"_id":"635"}],"type":"journal_article","keyword":["Steuerbelastung","Substanzbesteuerung","Ungleiche Vermögensverteilung","Veranlagungssimulation","Vermögensteuer"],"author":[{"id":"22671","full_name":"Hoppe, Thomas","first_name":"Thomas","last_name":"Hoppe"},{"full_name":"Maiterth, Ralf","first_name":"Ralf","last_name":"Maiterth"},{"first_name":"Caren","last_name":"Sureth-Sloane","full_name":"Sureth-Sloane, Caren","id":"530"}],"publication_identifier":{"issn":["0341-2687","2366-6153"]},"year":"2016","title":"Eigenkapitalverzehr und Substanzbesteuerung deutscher Unternehmen durch eine Vermögensteuer – eine empirische Analyse","article_type":"original","intvolume":"        68","publication_status":"published","date_updated":"2022-01-06T06:53:17Z","language":[{"iso":"ger"}],"main_file_link":[{"url":"http://www.readcube.com/articles/10.1007/s41471-016-0005-x?author_access_token=L8vhVZMucjlu5odLLLHaG_e4RwlQNchNByi7wbcMAY5B6ptZT4XXH6IBMbZTagA_06jUOTCNV-Pbh1ByfL_RaVCn-T_JbY5z17HM1rzPS9lXyW_vKKYXJAuZZglAbTRQbk33DRwc7ZJZc9Cl6TcFuA%3D%3D","open_access":"1"}],"doi":"10.1007/s41471-016-0005-x","citation":{"mla":"Hoppe, Thomas, et al. “Eigenkapitalverzehr und Substanzbesteuerung deutscher Unternehmen durch eine Vermögensteuer – eine empirische Analyse.” <i>Schmalenbachs Zeitschrift für betriebswirtschaftliche Forschung</i>, vol. 68, no. 1, Springer Nature, 2016, pp. 3–45, doi:<a href=\"https://doi.org/10.1007/s41471-016-0005-x\">10.1007/s41471-016-0005-x</a>.","bibtex":"@article{Hoppe_Maiterth_Sureth-Sloane_2016, title={Eigenkapitalverzehr und Substanzbesteuerung deutscher Unternehmen durch eine Vermögensteuer – eine empirische Analyse}, volume={68}, DOI={<a href=\"https://doi.org/10.1007/s41471-016-0005-x\">10.1007/s41471-016-0005-x</a>}, number={1}, journal={Schmalenbachs Zeitschrift für betriebswirtschaftliche Forschung}, publisher={Springer Nature}, author={Hoppe, Thomas and Maiterth, Ralf and Sureth-Sloane, Caren}, year={2016}, pages={3–45} }","ama":"Hoppe T, Maiterth R, Sureth-Sloane C. Eigenkapitalverzehr und Substanzbesteuerung deutscher Unternehmen durch eine Vermögensteuer – eine empirische Analyse. <i>Schmalenbachs Zeitschrift für betriebswirtschaftliche Forschung</i>. 2016;68(1):3-45. doi:<a href=\"https://doi.org/10.1007/s41471-016-0005-x\">10.1007/s41471-016-0005-x</a>","ieee":"T. Hoppe, R. Maiterth, and C. Sureth-Sloane, “Eigenkapitalverzehr und Substanzbesteuerung deutscher Unternehmen durch eine Vermögensteuer – eine empirische Analyse,” <i>Schmalenbachs Zeitschrift für betriebswirtschaftliche Forschung</i>, vol. 68, no. 1, pp. 3–45, 2016.","apa":"Hoppe, T., Maiterth, R., &#38; Sureth-Sloane, C. (2016). Eigenkapitalverzehr und Substanzbesteuerung deutscher Unternehmen durch eine Vermögensteuer – eine empirische Analyse. <i>Schmalenbachs Zeitschrift für betriebswirtschaftliche Forschung</i>, <i>68</i>(1), 3–45. <a href=\"https://doi.org/10.1007/s41471-016-0005-x\">https://doi.org/10.1007/s41471-016-0005-x</a>","chicago":"Hoppe, Thomas, Ralf Maiterth, and Caren Sureth-Sloane. “Eigenkapitalverzehr und Substanzbesteuerung deutscher Unternehmen durch eine Vermögensteuer – eine empirische Analyse.” <i>Schmalenbachs Zeitschrift für betriebswirtschaftliche Forschung</i> 68, no. 1 (2016): 3–45. <a href=\"https://doi.org/10.1007/s41471-016-0005-x\">https://doi.org/10.1007/s41471-016-0005-x</a>.","short":"T. Hoppe, R. Maiterth, C. Sureth-Sloane, Schmalenbachs Zeitschrift für betriebswirtschaftliche Forschung 68 (2016) 3–45."},"quality_controlled":"1","oa":"1","jel":["H21","H24","H25","C54"],"status":"public","_id":"1771","publisher":"Springer Nature","page":"3-45","volume":68,"user_id":"61801"},{"date_updated":"2022-01-06T06:55:35Z","title":"Do talented women shy away from competition?","year":"2016","status":"public","author":[{"first_name":"Britta","last_name":"Hoyer","full_name":"Hoyer, Britta","id":"42447"},{"full_name":"van Huizen, Tomas","last_name":"van Huizen","first_name":"Tomas"},{"full_name":"Keijzer, Linda","last_name":"Keijzer","first_name":"Linda"},{"last_name":"Rezai Khavas","first_name":"Tahere","full_name":"Rezai Khavas, Tahere"},{"first_name":"Stephanie","last_name":"Rosenkranz","full_name":"Rosenkranz, Stephanie"}],"user_id":"42447","volume":"16-06","main_file_link":[{"url":"https://www.uu.nl/en/files/rebousedp20161606pdf","open_access":"1"}],"_id":"2252","series_title":"TKI Working Paper Series","abstract":[{"lang":"eng","text":"We study the willingness to compete in a cognitive task among an entire cohort\r\nof fresh man business and economics students. Combining data from a lab-in-thefield\r\nexperiment with university admissions data, we trace the gender gap in\r\ncompetitiveness at different levels of high school performance. Our results confirm\r\nthat, on average, men choose to compete more often. The gender gap disappears,\r\nhowever, among students with above average high school performance. Female high\r\nschool top performers are equally competitive as their male counterparts. In fact,\r\nthe overall gender gap is entirely driven by the group of female high school underperformers\r\nwho shied away from competition, even when they performed well in our\r\ntask. Overall, our findings suggest that high school grades are more than just a\r\nsignal of cognitive abilities, because they seem to influence the receivers selfperception\r\nof his or her performance in a competitive environment involved in later\r\non in life."}],"citation":{"short":"B. Hoyer, T. van Huizen, L. Keijzer, T. Rezai Khavas, S. Rosenkranz, Do Talented Women Shy Away from Competition?, 2016.","chicago":"Hoyer, Britta, Tomas van Huizen, Linda Keijzer, Tahere Rezai Khavas, and Stephanie Rosenkranz. <i>Do Talented Women Shy Away from Competition?</i> Vol. 16–06. TKI Working Paper Series, 2016.","apa":"Hoyer, B., van Huizen, T., Keijzer, L., Rezai Khavas, T., &#38; Rosenkranz, S. (2016). <i>Do talented women shy away from competition?</i> (Vol. 16–06).","ieee":"B. Hoyer, T. van Huizen, L. Keijzer, T. Rezai Khavas, and S. Rosenkranz, <i>Do talented women shy away from competition?</i>, vol. 16–06. 2016.","ama":"Hoyer B, van Huizen T, Keijzer L, Rezai Khavas T, Rosenkranz S. <i>Do Talented Women Shy Away from Competition?</i> Vol 16-06.; 2016.","bibtex":"@book{Hoyer_van Huizen_Keijzer_Rezai Khavas_Rosenkranz_2016, series={TKI Working Paper Series}, title={Do talented women shy away from competition?}, volume={16–06}, author={Hoyer, Britta and van Huizen, Tomas and Keijzer, Linda and Rezai Khavas, Tahere and Rosenkranz, Stephanie}, year={2016}, collection={TKI Working Paper Series} }","mla":"Hoyer, Britta, et al. <i>Do Talented Women Shy Away from Competition?</i> Vol. 16–06, 2016."},"type":"working_paper","oa":"1","department":[{"_id":"280"},{"_id":"475"}],"date_created":"2018-04-06T07:54:42Z"},{"user_id":"26809","main_file_link":[{"open_access":"1","url":"https://eldorado.tu-dortmund.de/handle/2003/35350"}],"_id":"7765","publisher":"WTM-Verlag","language":[{"iso":"ger"}],"publication_status":"published","date_updated":"2022-01-06T07:03:45Z","year":"2016","title":"Erkunden mathematischer Strukturen anstatt Interpretation in Modellen – Ein innermathematischer Zugang zu negativen Zahlen","status":"public","corporate_editor":["Institut für Mathematik und Informatik Heidelberg}"],"author":[{"full_name":"Schumacher, Jan","orcid":"0000-0002-6676-9774","first_name":"Jan","last_name":"Schumacher","id":"26809"}],"type":"conference","department":[{"_id":"360"}],"oa":"1","date_created":"2019-02-19T12:43:24Z","place":"Münster","publication":"Beiträge zum Mathematikunterricht 2016","citation":{"ama":"Schumacher J. Erkunden mathematischer Strukturen anstatt Interpretation in Modellen – Ein innermathematischer Zugang zu negativen Zahlen. In: Institut für Mathematik und Informatik Heidelberg}, ed. <i>Beiträge zum Mathematikunterricht 2016</i>. Münster: WTM-Verlag; 2016.","bibtex":"@inproceedings{Schumacher_2016, place={Münster}, title={Erkunden mathematischer Strukturen anstatt Interpretation in Modellen – Ein innermathematischer Zugang zu negativen Zahlen}, booktitle={Beiträge zum Mathematikunterricht 2016}, publisher={WTM-Verlag}, author={Schumacher, Jan}, editor={Institut für Mathematik und Informatik Heidelberg}Editor}, year={2016} }","mla":"Schumacher, Jan. “Erkunden mathematischer Strukturen anstatt Interpretation in Modellen – Ein innermathematischer Zugang zu negativen Zahlen.” <i>Beiträge zum Mathematikunterricht 2016</i>, edited by Institut für Mathematik und Informatik Heidelberg}, WTM-Verlag, 2016.","chicago":"Schumacher, Jan. “Erkunden mathematischer Strukturen anstatt Interpretation in Modellen – Ein innermathematischer Zugang zu negativen Zahlen.” In <i>Beiträge zum Mathematikunterricht 2016</i>, edited by Institut für Mathematik und Informatik Heidelberg}. Münster: WTM-Verlag, 2016.","short":"J. Schumacher, in: Institut für Mathematik und Informatik Heidelberg} (Ed.), Beiträge zum Mathematikunterricht 2016, WTM-Verlag, Münster, 2016.","apa":"Schumacher, J. (2016). Erkunden mathematischer Strukturen anstatt Interpretation in Modellen – Ein innermathematischer Zugang zu negativen Zahlen. In Institut für Mathematik und Informatik Heidelberg} (Ed.), <i>Beiträge zum Mathematikunterricht 2016</i>. Münster: WTM-Verlag.","ieee":"J. Schumacher, “Erkunden mathematischer Strukturen anstatt Interpretation in Modellen – Ein innermathematischer Zugang zu negativen Zahlen,” in <i>Beiträge zum Mathematikunterricht 2016</i>, 2016."}},{"status":"public","has_accepted_license":"1","page":"44-46","_id":"5676","publisher":"Stumpf & Kossendey","user_id":"61579","ddc":["000"],"volume":23,"file_date_updated":"2018-12-13T15:07:24Z","citation":{"ama":"Rauchecker G, Schryen G. Projekt KUBAS: Koordination ungebundener Vor-Ort-Helfer. <i>Im Einsatz</i>. 2016;23:44-46.","bibtex":"@article{Rauchecker_Schryen_2016, title={Projekt KUBAS: Koordination ungebundener Vor-Ort-Helfer}, volume={23}, journal={Im Einsatz}, publisher={Stumpf &#38; Kossendey}, author={Rauchecker, Gerhard and Schryen, Guido}, year={2016}, pages={44–46} }","mla":"Rauchecker, Gerhard, and Guido Schryen. “Projekt KUBAS: Koordination Ungebundener Vor-Ort-Helfer.” <i>Im Einsatz</i>, vol. 23, Stumpf &#38; Kossendey, 2016, pp. 44–46.","chicago":"Rauchecker, Gerhard, and Guido Schryen. “Projekt KUBAS: Koordination Ungebundener Vor-Ort-Helfer.” <i>Im Einsatz</i> 23 (2016): 44–46.","short":"G. Rauchecker, G. Schryen, Im Einsatz 23 (2016) 44–46.","apa":"Rauchecker, G., &#38; Schryen, G. (2016). Projekt KUBAS: Koordination ungebundener Vor-Ort-Helfer. <i>Im Einsatz</i>, <i>23</i>, 44–46.","ieee":"G. Rauchecker and G. Schryen, “Projekt KUBAS: Koordination ungebundener Vor-Ort-Helfer,” <i>Im Einsatz</i>, vol. 23, pp. 44–46, 2016."},"oa":"1","title":"Projekt KUBAS: Koordination ungebundener Vor-Ort-Helfer","year":"2016","author":[{"full_name":"Rauchecker, Gerhard","last_name":"Rauchecker","first_name":"Gerhard"},{"id":"72850","full_name":"Schryen, Guido","last_name":"Schryen","first_name":"Guido"}],"date_updated":"2022-01-06T07:02:29Z","intvolume":"        23","language":[{"iso":"eng"}],"publication":"Im Einsatz","extern":"1","file":[{"content_type":"application/pdf","file_id":"6028","date_updated":"2018-12-13T15:07:24Z","relation":"main_file","access_level":"open_access","file_size":1068832,"file_name":"44-46_Rauchecker_IE_5-2016.pdf","date_created":"2018-12-07T11:37:52Z","creator":"hsiemes"}],"date_created":"2018-11-14T15:36:29Z","type":"journal_article","department":[{"_id":"277"}]},{"publication_identifier":{"issn":["2161-3915"]},"author":[{"full_name":"Karl, Holger","last_name":"Karl","first_name":"Holger","id":"126"},{"id":"31764","first_name":"Sevil","last_name":"Dräxler","full_name":"Dräxler, Sevil"},{"last_name":"Peuster","first_name":"Manuel","full_name":"Peuster, Manuel"},{"full_name":"Galis, Alex","last_name":"Galis","first_name":"Alex"},{"last_name":"Bredel","first_name":"Michael","full_name":"Bredel, Michael"},{"full_name":"Ramos, Aurora","first_name":"Aurora","last_name":"Ramos"},{"full_name":"Martrat, Josep","last_name":"Martrat","first_name":"Josep"},{"last_name":"Siddiqui","first_name":"Muhammad Shuaib","full_name":"Siddiqui, Muhammad Shuaib"},{"full_name":"van Rossem, Steven","last_name":"van Rossem","first_name":"Steven"},{"last_name":"Tavernier","first_name":"Wouter","full_name":"Tavernier, Wouter"},{"full_name":"Xilouris, George","first_name":"George","last_name":"Xilouris"}],"title":"DevOps for network function virtualisation: an architectural approach","year":"2016","intvolume":"        27","article_type":"original","date_updated":"2022-01-06T07:03:28Z","publication_status":"published","language":[{"iso":"eng"}],"main_file_link":[{"open_access":"1","url":"https://doi.org/10.1002/ett.3084 "}],"doi":"10.1002/ett.3084","publication":"Transactions on Emerging Telecommunications Technologies","issue":"9","abstract":[{"lang":"eng","text":"The Service Programming and Orchestration for Virtualised Software Networks (SONATA) project targets both the flexible programmability of software networks and the optimisation of their deployments by means of integrating Development and Operations in order to accelerate industry adoption of software networks and reduce time-to-market for networked services. SONATA supports network function chaining and orchestration, making service platforms modular and easier to customise to the needs of different service providers, and introduces a specialised Development and Operations model for supporting developers."}],"date_created":"2017-11-22T09:32:54Z","department":[{"_id":"75"}],"type":"journal_article","status":"public","publisher":"Wiley-Blackwell","_id":"714","page":"1206-1215","volume":27,"user_id":"31764","citation":{"chicago":"Karl, Holger, Sevil Dräxler, Manuel Peuster, Alex Galis, Michael Bredel, Aurora Ramos, Josep Martrat, et al. “DevOps for Network Function Virtualisation: An Architectural Approach.” <i>Transactions on Emerging Telecommunications Technologies</i> 27, no. 9 (2016): 1206–15. <a href=\"https://doi.org/10.1002/ett.3084\">https://doi.org/10.1002/ett.3084</a>.","short":"H. Karl, S. Dräxler, M. Peuster, A. Galis, M. Bredel, A. Ramos, J. Martrat, M.S. Siddiqui, S. van Rossem, W. Tavernier, G. Xilouris, Transactions on Emerging Telecommunications Technologies 27 (2016) 1206–1215.","apa":"Karl, H., Dräxler, S., Peuster, M., Galis, A., Bredel, M., Ramos, A., … Xilouris, G. (2016). DevOps for network function virtualisation: an architectural approach. <i>Transactions on Emerging Telecommunications Technologies</i>, <i>27</i>(9), 1206–1215. <a href=\"https://doi.org/10.1002/ett.3084\">https://doi.org/10.1002/ett.3084</a>","ieee":"H. Karl <i>et al.</i>, “DevOps for network function virtualisation: an architectural approach,” <i>Transactions on Emerging Telecommunications Technologies</i>, vol. 27, no. 9, pp. 1206–1215, 2016.","ama":"Karl H, Dräxler S, Peuster M, et al. DevOps for network function virtualisation: an architectural approach. <i>Transactions on Emerging Telecommunications Technologies</i>. 2016;27(9):1206-1215. doi:<a href=\"https://doi.org/10.1002/ett.3084\">10.1002/ett.3084</a>","bibtex":"@article{Karl_Dräxler_Peuster_Galis_Bredel_Ramos_Martrat_Siddiqui_van Rossem_Tavernier_et al._2016, title={DevOps for network function virtualisation: an architectural approach}, volume={27}, DOI={<a href=\"https://doi.org/10.1002/ett.3084\">10.1002/ett.3084</a>}, number={9}, journal={Transactions on Emerging Telecommunications Technologies}, publisher={Wiley-Blackwell}, author={Karl, Holger and Dräxler, Sevil and Peuster, Manuel and Galis, Alex and Bredel, Michael and Ramos, Aurora and Martrat, Josep and Siddiqui, Muhammad Shuaib and van Rossem, Steven and Tavernier, Wouter and et al.}, year={2016}, pages={1206–1215} }","mla":"Karl, Holger, et al. “DevOps for Network Function Virtualisation: An Architectural Approach.” <i>Transactions on Emerging Telecommunications Technologies</i>, vol. 27, no. 9, Wiley-Blackwell, 2016, pp. 1206–15, doi:<a href=\"https://doi.org/10.1002/ett.3084\">10.1002/ett.3084</a>."},"oa":"1"},{"type":"conference","department":[{"_id":"75"}],"file":[{"content_type":"application/pdf","file_id":"3353","access_level":"open_access","file_size":966702,"file_name":"main_ris.pdf","date_updated":"2018-06-25T13:16:56Z","relation":"main_file","date_created":"2018-06-25T13:10:10Z","creator":"peuster"}],"date_created":"2017-11-27T10:22:25Z","abstract":[{"lang":"eng","text":"Allocating resources to virtualized network functions and services to meet service level agreements is a challenging task for NFV management and orchestration systems. This becomes even more challenging when agile development methodologies, like DevOps, are applied. In such scenarios, management and orchestration systems are continuously facing new versions of functions and services which makes it hard to decide how much resources have to be allocated to them to provide the expected service performance. \r\nOne solution for this problem is to support resource allocation decisions with performance behavior information obtained by profiling techniques applied to such network functions and services.\r\n\r\nIn this position paper, we analyze and discuss the components needed to generate such performance behavior information within the NFV DevOps workflow. We also outline research questions that identify open issues and missing pieces for a fully integrated NFV profiling solution. Further, we introduce a novel profiling mechanism that is able to profile virtualized network functions and entire network service chains under different resource constraints before they are deployed on production infrastructure."}],"publication":"Fifth European Workshop on Software-Defined Networks, EWSDN 2016, Den Haag, The Netherlands, October 10-11, 2016","doi":"10.1109/EWSDN.2016.9","main_file_link":[{"url":"http://ieeexplore.ieee.org/document/7956044/"}],"language":[{"iso":"eng"}],"publication_status":"published","date_updated":"2022-01-06T07:03:33Z","year":"2016","title":"Understand Your Chains: Towards Performance Profile-Based Network Service Management","author":[{"id":"13271","full_name":"Peuster, Manuel","last_name":"Peuster","first_name":"Manuel"},{"first_name":"Holger","last_name":"Karl","full_name":"Karl, Holger","id":"126"}],"oa":"1","project":[{"call_identifier":"5G PPP Phase 1","grant_number":"671517","_id":"25","name":"SONATA NFV: Agile Service Development and Orchestration in 5G Virtualized Networks"},{"_id":"1","name":"SFB 901"},{"_id":"4","name":"SFB 901 - Project Area C"},{"_id":"16","name":"SFB 901 - Subproject C4"}],"file_date_updated":"2018-06-25T13:16:56Z","citation":{"apa":"Peuster, M., &#38; Karl, H. (2016). Understand Your Chains: Towards Performance Profile-Based Network Service Management. In <i>Fifth European Workshop on Software-Defined Networks, EWSDN 2016, Den Haag, The Netherlands, October 10-11, 2016</i> (pp. 7--12). Den Haag. <a href=\"https://doi.org/10.1109/EWSDN.2016.9\">https://doi.org/10.1109/EWSDN.2016.9</a>","ieee":"M. Peuster and H. Karl, “Understand Your Chains: Towards Performance Profile-Based Network Service Management,” in <i>Fifth European Workshop on Software-Defined Networks, EWSDN 2016, Den Haag, The Netherlands, October 10-11, 2016</i>, Den Haag, 2016, pp. 7--12.","chicago":"Peuster, Manuel, and Holger Karl. “Understand Your Chains: Towards Performance Profile-Based Network Service Management.” In <i>Fifth European Workshop on Software-Defined Networks, EWSDN 2016, Den Haag, The Netherlands, October 10-11, 2016</i>, 7--12, 2016. <a href=\"https://doi.org/10.1109/EWSDN.2016.9\">https://doi.org/10.1109/EWSDN.2016.9</a>.","short":"M. Peuster, H. Karl, in: Fifth European Workshop on Software-Defined Networks, EWSDN 2016, Den Haag, The Netherlands, October 10-11, 2016, 2016, pp. 7--12.","mla":"Peuster, Manuel, and Holger Karl. “Understand Your Chains: Towards Performance Profile-Based Network Service Management.” <i>Fifth European Workshop on Software-Defined Networks, EWSDN 2016, Den Haag, The Netherlands, October 10-11, 2016</i>, 2016, pp. 7--12, doi:<a href=\"https://doi.org/10.1109/EWSDN.2016.9\">10.1109/EWSDN.2016.9</a>.","ama":"Peuster M, Karl H. Understand Your Chains: Towards Performance Profile-Based Network Service Management. In: <i>Fifth European Workshop on Software-Defined Networks, EWSDN 2016, Den Haag, The Netherlands, October 10-11, 2016</i>. ; 2016:7--12. doi:<a href=\"https://doi.org/10.1109/EWSDN.2016.9\">10.1109/EWSDN.2016.9</a>","bibtex":"@inproceedings{Peuster_Karl_2016, title={Understand Your Chains: Towards Performance Profile-Based Network Service Management}, DOI={<a href=\"https://doi.org/10.1109/EWSDN.2016.9\">10.1109/EWSDN.2016.9</a>}, booktitle={Fifth European Workshop on Software-Defined Networks, EWSDN 2016, Den Haag, The Netherlands, October 10-11, 2016}, author={Peuster, Manuel and Karl, Holger}, year={2016}, pages={7--12} }"},"user_id":"13271","ddc":["000"],"page":"7--12","urn":"7309","_id":"730","has_accepted_license":"1","status":"public","conference":{"name":"Fifth European Workshop on Software-Defined Networks (EWSDN","location":"Den Haag"}},{"file_date_updated":"2018-06-25T13:16:47Z","citation":{"short":"M. Peuster, H. Karl, in: IEEE NetSoft Conference and Workshops, NetSoft 2016, Seoul, South Korea, June 6-10, 2016, 2016, pp. 6--10.","chicago":"Peuster, Manuel, and Holger Karl. “E-State: Distributed State Management in Elastic Network Function Deployments.” In <i>IEEE NetSoft Conference and Workshops, NetSoft 2016, Seoul, South Korea, June 6-10, 2016</i>, 6--10, 2016. <a href=\"https://doi.org/10.1109/NETSOFT.2016.7502432\">https://doi.org/10.1109/NETSOFT.2016.7502432</a>.","ieee":"M. Peuster and H. Karl, “E-State: Distributed state management in elastic network function deployments,” in <i>IEEE NetSoft Conference and Workshops, NetSoft 2016, Seoul, South Korea, June 6-10, 2016</i>, Seoul, 2016, pp. 6--10.","apa":"Peuster, M., &#38; Karl, H. (2016). E-State: Distributed state management in elastic network function deployments. In <i>IEEE NetSoft Conference and Workshops, NetSoft 2016, Seoul, South Korea, June 6-10, 2016</i> (pp. 6--10). Seoul. <a href=\"https://doi.org/10.1109/NETSOFT.2016.7502432\">https://doi.org/10.1109/NETSOFT.2016.7502432</a>","bibtex":"@inproceedings{Peuster_Karl_2016, title={E-State: Distributed state management in elastic network function deployments}, DOI={<a href=\"https://doi.org/10.1109/NETSOFT.2016.7502432\">10.1109/NETSOFT.2016.7502432</a>}, booktitle={IEEE NetSoft Conference and Workshops, NetSoft 2016, Seoul, South Korea, June 6-10, 2016}, author={Peuster, Manuel and Karl, Holger}, year={2016}, pages={6--10} }","ama":"Peuster M, Karl H. E-State: Distributed state management in elastic network function deployments. In: <i>IEEE NetSoft Conference and Workshops, NetSoft 2016, Seoul, South Korea, June 6-10, 2016</i>. ; 2016:6--10. doi:<a href=\"https://doi.org/10.1109/NETSOFT.2016.7502432\">10.1109/NETSOFT.2016.7502432</a>","mla":"Peuster, Manuel, and Holger Karl. “E-State: Distributed State Management in Elastic Network Function Deployments.” <i>IEEE NetSoft Conference and Workshops, NetSoft 2016, Seoul, South Korea, June 6-10, 2016</i>, 2016, pp. 6--10, doi:<a href=\"https://doi.org/10.1109/NETSOFT.2016.7502432\">10.1109/NETSOFT.2016.7502432</a>."},"oa":"1","status":"public","conference":{"name":"IEEE NetSoft Conference and Workshops","location":"Seoul"},"has_accepted_license":"1","page":"6--10","_id":"732","urn":"7328","user_id":"13271","ddc":["000"],"publication":"IEEE NetSoft Conference and Workshops, NetSoft 2016, Seoul, South Korea, June 6-10, 2016","abstract":[{"lang":"eng","text":"Elastic deployments of virtualized network functions~(VNF) can automatically scale the amount of used resources in relation to their workload. This is often done by starting new VNF instances or stopping old ones. A problem of these scale operations is that most network functions are stateful and their internal state is not automatically migrated when traffic is redistributed in the deployment. As a result, mechanisms are needed to exchange or migrate internal network function state between VNF instances.\r\n\r\nThis paper presents a state management framework that creates a logically distributed state store on top of elastically deployed virtual network functions. We also introduce a novel programming model that provides both a local and a global view of the state to each VNF instance. We discuss the integration of our framework into existing network function virtualization architectures and compare the performance of our prototype to a centralized and a distributed state store solution."}],"file":[{"file_id":"3354","content_type":"application/pdf","relation":"main_file","date_updated":"2018-06-25T13:16:47Z","file_name":"main_ris.pdf","file_size":696049,"access_level":"open_access","date_created":"2018-06-25T13:10:43Z","creator":"peuster"}],"date_created":"2017-11-27T10:22:25Z","type":"conference","department":[{"_id":"75"}],"title":"E-State: Distributed state management in elastic network function deployments","year":"2016","author":[{"id":"13271","first_name":"Manuel","last_name":"Peuster","full_name":"Peuster, Manuel"},{"last_name":"Karl","first_name":"Holger","full_name":"Karl, Holger","id":"126"}],"publication_status":"published","date_updated":"2022-01-06T07:03:35Z","language":[{"iso":"eng"}],"doi":"10.1109/NETSOFT.2016.7502432"},{"project":[{"name":"SONATA NFV: Agile Service Development and Orchestration in 5G Virtualized Networks","grant_number":"671517","_id":"25","call_identifier":"5G PPP Phase 1"},{"name":"SFB 901","_id":"1"},{"_id":"4","name":"SFB 901 - Project Area C"},{"name":"SFB 901 - Subproject C4","_id":"16"}],"file_date_updated":"2018-06-25T13:17:34Z","citation":{"ieee":"M. Peuster, H. Karl, and S. van Rossem, “MeDICINE: Rapid Prototyping of Production-Ready Network Services in Multi-PoP Environments,” in <i>IEEE Conference on Network Function Virtualization and Software Defined Networks (NFV-SDN)</i>, Palo Alto, 2016.","apa":"Peuster, M., Karl, H., &#38; van Rossem, S. (2016). MeDICINE: Rapid Prototyping of Production-Ready Network Services in Multi-PoP Environments. In <i>IEEE Conference on Network Function Virtualization and Software Defined Networks (NFV-SDN)</i>. Palo Alto. <a href=\"https://doi.org/10.1109/NFV-SDN.2016.7919490\">https://doi.org/10.1109/NFV-SDN.2016.7919490</a>","short":"M. Peuster, H. Karl, S. van Rossem, in: IEEE Conference on Network Function Virtualization and Software Defined Networks (NFV-SDN), 2016.","chicago":"Peuster, Manuel, Holger Karl, and Steven van Rossem. “MeDICINE: Rapid Prototyping of Production-Ready Network Services in Multi-PoP Environments.” In <i>IEEE Conference on Network Function Virtualization and Software Defined Networks (NFV-SDN)</i>, 2016. <a href=\"https://doi.org/10.1109/NFV-SDN.2016.7919490\">https://doi.org/10.1109/NFV-SDN.2016.7919490</a>.","mla":"Peuster, Manuel, et al. “MeDICINE: Rapid Prototyping of Production-Ready Network Services in Multi-PoP Environments.” <i>IEEE Conference on Network Function Virtualization and Software Defined Networks (NFV-SDN)</i>, 2016, doi:<a href=\"https://doi.org/10.1109/NFV-SDN.2016.7919490\">10.1109/NFV-SDN.2016.7919490</a>.","bibtex":"@inproceedings{Peuster_Karl_van Rossem_2016, title={MeDICINE: Rapid Prototyping of Production-Ready Network Services in Multi-PoP Environments}, DOI={<a href=\"https://doi.org/10.1109/NFV-SDN.2016.7919490\">10.1109/NFV-SDN.2016.7919490</a>}, booktitle={IEEE Conference on Network Function Virtualization and Software Defined Networks (NFV-SDN)}, author={Peuster, Manuel and Karl, Holger and van Rossem, Steven}, year={2016} }","ama":"Peuster M, Karl H, van Rossem S. MeDICINE: Rapid Prototyping of Production-Ready Network Services in Multi-PoP Environments. In: <i>IEEE Conference on Network Function Virtualization and Software Defined Networks (NFV-SDN)</i>. ; 2016. doi:<a href=\"https://doi.org/10.1109/NFV-SDN.2016.7919490\">10.1109/NFV-SDN.2016.7919490</a>"},"oa":"1","has_accepted_license":"1","status":"public","conference":{"location":"Palo Alto","name":"IEEE Conference on Network Function Virtualization and Software Defined Networks (NFV-SDN)"},"user_id":"13271","ddc":["000"],"_id":"738","urn":"7384","abstract":[{"lang":"eng","text":"Virtualized network services consisting of multiple individual network functions are already today deployed across multiple sites, so called multi-PoP (points of presence) environments. This allows to improve service performance by optimizing its placement in the network. But prototyping and testing of these complex distributed software systems becomes extremely challenging. The reason is that not only the network service as such has to be tested but also its integration with management and orchestration systems. Existing solutions, like simulators, basic network emulators, or local cloud testbeds, do not support all aspects of these tasks.\r\n\r\nTo this end, we introduce MeDICINE, a novel NFV prototyping platform that is able to execute production-ready network functions, provided as software containers, in an emulated multi-PoP environment. These network functions can be controlled by any third-party management and orchestration system that connects to our platform through standard interfaces. Based on this, a developer can use our platform to prototype and test complex network services in a realistic environment running on his laptop.\r\n"}],"publication":"IEEE Conference on Network Function Virtualization and Software Defined Networks (NFV-SDN)","type":"conference","department":[{"_id":"75"}],"file":[{"date_created":"2018-06-25T13:06:47Z","creator":"peuster","file_id":"3349","content_type":"application/pdf","relation":"main_file","date_updated":"2018-06-25T13:17:34Z","file_name":"main_ris.pdf","access_level":"open_access","file_size":848438}],"date_created":"2017-11-27T10:22:25Z","publication_status":"published","date_updated":"2022-01-06T07:03:36Z","title":"MeDICINE: Rapid Prototyping of Production-Ready Network Services in Multi-PoP Environments","year":"2016","author":[{"id":"13271","last_name":"Peuster","first_name":"Manuel","full_name":"Peuster, Manuel"},{"full_name":"Karl, Holger","first_name":"Holger","last_name":"Karl","id":"126"},{"full_name":"van Rossem, Steven","first_name":"Steven","last_name":"van Rossem"}],"doi":"10.1109/NFV-SDN.2016.7919490","main_file_link":[{"url":"https://arxiv.org/pdf/1606.05995.pdf"}],"language":[{"iso":"eng"}]},{"ddc":["000"],"user_id":"61579","_id":"5595","language":[{"iso":"eng"}],"has_accepted_license":"1","date_updated":"2022-01-06T07:02:05Z","author":[{"first_name":"Gerit","last_name":"Wagner","full_name":"Wagner, Gerit"},{"full_name":"Prester, Julian","first_name":"Julian","last_name":"Prester"},{"last_name":"Roche","first_name":"Maria","full_name":"Roche, Maria"},{"last_name":"Benlian","first_name":"Alexander","full_name":"Benlian, Alexander"},{"id":"72850","first_name":"Guido","last_name":"Schryen","full_name":"Schryen, Guido"}],"title":"Factors Affecting the Scientific Impact of Literature Reviews: A Scientometric Study","year":"2016","status":"public","oa":"1","department":[{"_id":"277"}],"type":"conference","date_created":"2018-11-14T11:34:31Z","file":[{"creator":"hsiemes","date_created":"2018-12-07T11:38:41Z","relation":"main_file","date_updated":"2018-12-13T15:08:15Z","file_name":"ICIS2016 - Factors Affecting the Scientific Impact of Literature Reviews.pdf","file_size":725409,"access_level":"open_access","file_id":"6030","content_type":"application/pdf"}],"extern":"1","citation":{"chicago":"Wagner, Gerit, Julian Prester, Maria Roche, Alexander Benlian, and Guido Schryen. “Factors Affecting the Scientific Impact of Literature Reviews: A Scientometric Study.” In <i>International Conference on Information Systems</i>, 2016.","short":"G. Wagner, J. Prester, M. Roche, A. Benlian, G. Schryen, in: International Conference on Information Systems, 2016.","apa":"Wagner, G., Prester, J., Roche, M., Benlian, A., &#38; Schryen, G. (2016). Factors Affecting the Scientific Impact of Literature Reviews: A Scientometric Study. In <i>International Conference on Information Systems</i>.","ieee":"G. Wagner, J. Prester, M. Roche, A. Benlian, and G. Schryen, “Factors Affecting the Scientific Impact of Literature Reviews: A Scientometric Study,” in <i>International Conference on Information Systems</i>, 2016.","ama":"Wagner G, Prester J, Roche M, Benlian A, Schryen G. Factors Affecting the Scientific Impact of Literature Reviews: A Scientometric Study. In: <i>International Conference on Information Systems</i>. ; 2016.","bibtex":"@inproceedings{Wagner_Prester_Roche_Benlian_Schryen_2016, title={Factors Affecting the Scientific Impact of Literature Reviews: A Scientometric Study}, booktitle={International Conference on Information Systems}, author={Wagner, Gerit and Prester, Julian and Roche, Maria and Benlian, Alexander and Schryen, Guido}, year={2016} }","mla":"Wagner, Gerit, et al. “Factors Affecting the Scientific Impact of Literature Reviews: A Scientometric Study.” <i>International Conference on Information Systems</i>, 2016."},"publication":"International Conference on Information Systems","file_date_updated":"2018-12-13T15:08:15Z"},{"oa":"1","citation":{"bibtex":"@article{Schryen_Wagner_Schlegel_2016, title={Development of two novel face-recognition CAPTCHAs: a security and usability study}, volume={60}, number={July}, journal={Computers &#38; Security}, publisher={Elsevier}, author={Schryen, Guido and Wagner, Gerit and Schlegel, Alexander}, year={2016}, pages={95–116} }","ama":"Schryen G, Wagner G, Schlegel A. Development of two novel face-recognition CAPTCHAs: a security and usability study. <i>Computers &#38; Security</i>. 2016;60(July):95-116.","mla":"Schryen, Guido, et al. “Development of Two Novel Face-Recognition CAPTCHAs: A Security and Usability Study.” <i>Computers &#38; Security</i>, vol. 60, no. July, Elsevier, 2016, pp. 95–116.","chicago":"Schryen, Guido, Gerit Wagner, and Alexander Schlegel. “Development of Two Novel Face-Recognition CAPTCHAs: A Security and Usability Study.” <i>Computers &#38; Security</i> 60, no. July (2016): 95–116.","short":"G. Schryen, G. Wagner, A. Schlegel, Computers &#38; Security 60 (2016) 95–116.","ieee":"G. Schryen, G. Wagner, and A. Schlegel, “Development of two novel face-recognition CAPTCHAs: a security and usability study,” <i>Computers &#38; Security</i>, vol. 60, no. July, pp. 95–116, 2016.","apa":"Schryen, G., Wagner, G., &#38; Schlegel, A. (2016). Development of two novel face-recognition CAPTCHAs: a security and usability study. <i>Computers &#38; Security</i>, <i>60</i>(July), 95–116."},"file_date_updated":"2018-12-13T15:07:36Z","volume":60,"user_id":"61579","ddc":["000"],"_id":"5617","publisher":"Elsevier","page":"95-116","has_accepted_license":"1","status":"public","department":[{"_id":"277"}],"keyword":["CAPTCHA","Usability","Facial features","Gender classiffcation","Age classification","Face recognition reverse Turing test"],"type":"journal_article","date_created":"2018-11-14T14:00:47Z","file":[{"file_name":"cose_991_final.pdf","access_level":"open_access","file_size":2983143,"relation":"main_file","date_updated":"2018-12-13T15:07:36Z","file_id":"6029","content_type":"application/pdf","creator":"hsiemes","date_created":"2018-12-07T11:38:19Z"}],"extern":"1","abstract":[{"lang":"eng","text":"CAPTCHAs are challenge-response tests that aim at preventing unwanted machines, including bots, from accessing web services while providing easy access for humans. Recent advances in artificial-intelligence based attacks show that the level of security provided by many state-of-the-art text-based CAPTCHAs is declining. At the same time, techniques for distorting and obscuring the text, which are used to maintain the level of security, make text-based CAPTCHAs diffcult to solve for humans, and thereby further degrade usability. The need for developing alternative types of CAPTCHAs which improve both, the current security and usability levels, has been emphasized by several researchers. With this study, we contribute to research through (1) the development of two new face recognition CAPTCHAs (Farett-Gender and Farett-Gender&Age), (2) the security analysis of both procedures, and (3) the provision of empirical evidence that one of the suggested CAPTCHAs (Farett-Gender) is similar to Google's reCAPTCHA and better than KCAPTCHA concerning effectiveness (error rates), superior to both regarding learnability and satisfaction but not effciency."}],"issue":"July","publication":"Computers & Security","language":[{"iso":"eng"}],"intvolume":"        60","date_updated":"2022-01-06T07:02:10Z","author":[{"id":"72850","first_name":"Guido","last_name":"Schryen","full_name":"Schryen, Guido"},{"full_name":"Wagner, Gerit","last_name":"Wagner","first_name":"Gerit"},{"first_name":"Alexander","last_name":"Schlegel","full_name":"Schlegel, Alexander"}],"year":"2016","title":"Development of two novel face-recognition CAPTCHAs: a security and usability study"},{"year":"2016","title":"Modeling Cross-Device Systems with Use Case Diagrams","status":"public","author":[{"id":"11308","full_name":"Wolters, Dennis","last_name":"Wolters","first_name":"Dennis"},{"full_name":"Gerth, Christian","last_name":"Gerth","first_name":"Christian"},{"id":"107","first_name":"Gregor","last_name":"Engels","full_name":"Engels, Gregor"}],"date_updated":"2022-01-06T07:03:17Z","intvolume":"      1612","page":"89-96","main_file_link":[{"open_access":"1","url":"http://ceur-ws.org/Vol-1612/paper12.pdf"}],"_id":"6739","language":[{"iso":"eng"}],"publisher":"CEUR-WS.org","series_title":"CEUR Workshop Proceedings","user_id":"11308","volume":1612,"publication":"Proceedings of the CAiSE'18 Forum at the 28th International Conference on Advanced Information Systems Engineering (CAiSE'16)","citation":{"mla":"Wolters, Dennis, et al. “Modeling Cross-Device Systems with Use Case Diagrams.” <i>Proceedings of the CAiSE’18 Forum at the 28th International Conference on Advanced Information Systems Engineering (CAiSE’16)</i>, vol. 1612, CEUR-WS.org, 2016, pp. 89–96.","ama":"Wolters D, Gerth C, Engels G. Modeling Cross-Device Systems with Use Case Diagrams. In: <i>Proceedings of the CAiSE’18 Forum at the 28th International Conference on Advanced Information Systems Engineering (CAiSE’16)</i>. Vol 1612. CEUR Workshop Proceedings. CEUR-WS.org; 2016:89-96.","bibtex":"@inproceedings{Wolters_Gerth_Engels_2016, series={CEUR Workshop Proceedings}, title={Modeling Cross-Device Systems with Use Case Diagrams}, volume={1612}, booktitle={Proceedings of the CAiSE’18 Forum at the 28th International Conference on Advanced Information Systems Engineering (CAiSE’16)}, publisher={CEUR-WS.org}, author={Wolters, Dennis and Gerth, Christian and Engels, Gregor}, year={2016}, pages={89–96}, collection={CEUR Workshop Proceedings} }","apa":"Wolters, D., Gerth, C., &#38; Engels, G. (2016). Modeling Cross-Device Systems with Use Case Diagrams. In <i>Proceedings of the CAiSE’18 Forum at the 28th International Conference on Advanced Information Systems Engineering (CAiSE’16)</i> (Vol. 1612, pp. 89–96). CEUR-WS.org.","ieee":"D. Wolters, C. Gerth, and G. Engels, “Modeling Cross-Device Systems with Use Case Diagrams,” in <i>Proceedings of the CAiSE’18 Forum at the 28th International Conference on Advanced Information Systems Engineering (CAiSE’16)</i>, 2016, vol. 1612, pp. 89–96.","chicago":"Wolters, Dennis, Christian Gerth, and Gregor Engels. “Modeling Cross-Device Systems with Use Case Diagrams.” In <i>Proceedings of the CAiSE’18 Forum at the 28th International Conference on Advanced Information Systems Engineering (CAiSE’16)</i>, 1612:89–96. CEUR Workshop Proceedings. CEUR-WS.org, 2016.","short":"D. Wolters, C. Gerth, G. Engels, in: Proceedings of the CAiSE’18 Forum at the 28th International Conference on Advanced Information Systems Engineering (CAiSE’16), CEUR-WS.org, 2016, pp. 89–96."},"date_created":"2019-01-15T14:46:18Z","type":"conference","department":[{"_id":"66"}],"oa":"1"},{"type":"conference","department":[{"_id":"75"}],"file":[{"content_type":"application/pdf","file_id":"3322","date_updated":"2018-06-25T07:53:54Z","relation":"main_file","file_size":1471937,"access_level":"open_access","file_name":"RIS.pdf","date_created":"2018-06-25T07:53:54Z","creator":"sevilmeh"}],"date_created":"2017-10-17T12:41:24Z","abstract":[{"text":"Network function virtualization and software-defined networking allow services consisting of virtual network functions to be designed and implemented with great flexibility by facilitating automatic deployments, migrations, and reconfigurations for services and their components. For extended flexibility, we go beyond seeing services as a fixed chain of functions. We present a YANG model for describing the service structure in deployment requests in a flexible way that enables changing the order of functions in case the order of traversing them does not affect the functionality of the service. Upon receiving such requests, the network orchestration system can choose the optimal composition of service components that gives the best results for placement of services in the network. This introduces new complexities to the placement problem by greatly increasing the number of possible ways a service can be composed. In this paper, we describe a heuristic solution that selects a Pareto set of the possible compositions of a service as well as possible combinations of different services, with respect to different resource requirements of the services. Our evaluations show that the selected combinations consist of representative samples of possible structures and requirements and therefore, can result in optimal or close-to-optimal placement results.","lang":"eng"}],"publication":"Proceedings of the 2nd International IEEE Conference on Network Softwarization (NetSoft)","doi":"10.1109/NETSOFT.2016.7502412","main_file_link":[{"url":"http://ieeexplore.ieee.org/search/searchresult.jsp?newsearch=true&queryText=10.1109%2FNETSOFT.2016.7502412"}],"date_updated":"2022-01-06T06:52:53Z","title":"Placement of Services with Flexible Structures Specified by a YANG Data Model","year":"2016","author":[{"full_name":"Dräxler, Sevil","first_name":"Sevil","last_name":"Dräxler","id":"31764"},{"first_name":"Holger","last_name":"Karl","full_name":"Karl, Holger","id":"126"}],"oa":"1","project":[{"name":"SFB 901","_id":"1"},{"name":"SFB 901 - Subprojekt C4","_id":"16"},{"_id":"4","name":"SFB 901 - Project Area C"},{"call_identifier":"5G PPP Phase 1","_id":"25","grant_number":"671517","name":"SONATA NFV: Agile Service Development and Orchestration in 5G Virtualized Networks"}],"file_date_updated":"2018-06-25T07:53:54Z","citation":{"mla":"Dräxler, Sevil, and Holger Karl. “Placement of Services with Flexible Structures Specified by a YANG Data Model.” <i>Proceedings of the 2nd International IEEE Conference on Network Softwarization (NetSoft)</i>, 2016, pp. 184--192, doi:<a href=\"https://doi.org/10.1109/NETSOFT.2016.7502412\">10.1109/NETSOFT.2016.7502412</a>.","bibtex":"@inproceedings{Dräxler_Karl_2016, title={Placement of Services with Flexible Structures Specified by a YANG Data Model}, DOI={<a href=\"https://doi.org/10.1109/NETSOFT.2016.7502412\">10.1109/NETSOFT.2016.7502412</a>}, booktitle={Proceedings of the 2nd International IEEE Conference on Network Softwarization (NetSoft)}, author={Dräxler, Sevil and Karl, Holger}, year={2016}, pages={184--192} }","ama":"Dräxler S, Karl H. Placement of Services with Flexible Structures Specified by a YANG Data Model. In: <i>Proceedings of the 2nd International IEEE Conference on Network Softwarization (NetSoft)</i>. ; 2016:184--192. doi:<a href=\"https://doi.org/10.1109/NETSOFT.2016.7502412\">10.1109/NETSOFT.2016.7502412</a>","ieee":"S. Dräxler and H. Karl, “Placement of Services with Flexible Structures Specified by a YANG Data Model,” in <i>Proceedings of the 2nd International IEEE Conference on Network Softwarization (NetSoft)</i>, 2016, pp. 184--192.","apa":"Dräxler, S., &#38; Karl, H. (2016). Placement of Services with Flexible Structures Specified by a YANG Data Model. In <i>Proceedings of the 2nd International IEEE Conference on Network Softwarization (NetSoft)</i> (pp. 184--192). <a href=\"https://doi.org/10.1109/NETSOFT.2016.7502412\">https://doi.org/10.1109/NETSOFT.2016.7502412</a>","short":"S. Dräxler, H. Karl, in: Proceedings of the 2nd International IEEE Conference on Network Softwarization (NetSoft), 2016, pp. 184--192.","chicago":"Dräxler, Sevil, and Holger Karl. “Placement of Services with Flexible Structures Specified by a YANG Data Model.” In <i>Proceedings of the 2nd International IEEE Conference on Network Softwarization (NetSoft)</i>, 184--192, 2016. <a href=\"https://doi.org/10.1109/NETSOFT.2016.7502412\">https://doi.org/10.1109/NETSOFT.2016.7502412</a>."},"ddc":["040"],"user_id":"31764","page":"184--192","_id":"166","urn":"1665","has_accepted_license":"1","status":"public"},{"date_created":"2019-07-12T05:27:18Z","type":"conference","oa":"1","department":[{"_id":"54"}],"publication":"INTERSPEECH 2016, San Francisco, USA","citation":{"mla":"Chinaev, Aleksej, and Reinhold Haeb-Umbach. “A Priori SNR Estimation Using a Generalized Decision Directed Approach.” <i>INTERSPEECH 2016, San Francisco, USA</i>, 2016.","ama":"Chinaev A, Haeb-Umbach R. A Priori SNR Estimation Using a Generalized Decision Directed Approach. In: <i>INTERSPEECH 2016, San Francisco, USA</i>. ; 2016.","bibtex":"@inproceedings{Chinaev_Haeb-Umbach_2016, title={A Priori SNR Estimation Using a Generalized Decision Directed Approach}, booktitle={INTERSPEECH 2016, San Francisco, USA}, author={Chinaev, Aleksej and Haeb-Umbach, Reinhold}, year={2016} }","apa":"Chinaev, A., &#38; Haeb-Umbach, R. (2016). A Priori SNR Estimation Using a Generalized Decision Directed Approach. In <i>INTERSPEECH 2016, San Francisco, USA</i>.","ieee":"A. Chinaev and R. Haeb-Umbach, “A Priori SNR Estimation Using a Generalized Decision Directed Approach,” in <i>INTERSPEECH 2016, San Francisco, USA</i>, 2016.","short":"A. Chinaev, R. Haeb-Umbach, in: INTERSPEECH 2016, San Francisco, USA, 2016.","chicago":"Chinaev, Aleksej, and Reinhold Haeb-Umbach. “A Priori SNR Estimation Using a Generalized Decision Directed Approach.” In <i>INTERSPEECH 2016, San Francisco, USA</i>, 2016."},"abstract":[{"text":"In this contribution we investigate a priori signal-to-noise ratio (SNR) estimation, a crucial component of a single-channel speech enhancement system based on spectral subtraction. The majority of the state-of-the art a priori SNR estimators work in the power spectral domain, which is, however, not confirmed to be the optimal domain for the estimation. Motivated by the generalized spectral subtraction rule, we show how the estimation of the a priori SNR can be formulated in the so called generalized SNR domain. This formulation allows to generalize the widely used decision directed (DD) approach. An experimental investigation with different noise types reveals the superiority of the generalized DD approach over the conventional DD approach in terms of both the mean opinion score - listening quality objective measure and the output global SNR in the medium to high input SNR regime, while we show that the power spectrum is the optimal domain for low SNR. We further develop a parameterization which adjusts the domain of estimation automatically according to the estimated input global SNR. Index Terms: single-channel speech enhancement, a priori SNR estimation, generalized spectral subtraction","lang":"eng"}],"related_material":{"link":[{"description":"Poster","url":"https://groups.uni-paderborn.de/nt/pubs/2016/ChHa16_Poster.pdf","relation":"supplementary_material"}]},"main_file_link":[{"open_access":"1","url":"https://groups.uni-paderborn.de/nt/pubs/2016/ChHa16.pdf"}],"language":[{"iso":"eng"}],"_id":"11738","user_id":"44006","title":"A Priori SNR Estimation Using a Generalized Decision Directed Approach","status":"public","year":"2016","author":[{"last_name":"Chinaev","first_name":"Aleksej","full_name":"Chinaev, Aleksej"},{"first_name":"Reinhold","last_name":"Haeb-Umbach","full_name":"Haeb-Umbach, Reinhold","id":"242"}],"date_updated":"2022-01-06T06:51:08Z"},{"date_updated":"2022-01-06T06:51:08Z","status":"public","title":"A Priori SNR Estimation Using Weibull Mixture Model","year":"2016","author":[{"full_name":"Chinaev, Aleksej","first_name":"Aleksej","last_name":"Chinaev"},{"first_name":"Jens","last_name":"Heitkaemper","full_name":"Heitkaemper, Jens","id":"27643"},{"id":"242","last_name":"Haeb-Umbach","first_name":"Reinhold","full_name":"Haeb-Umbach, Reinhold"}],"user_id":"44006","main_file_link":[{"url":"https://groups.uni-paderborn.de/nt/pubs/2016/ChHeiHa16.pdf","open_access":"1"}],"language":[{"iso":"eng"}],"_id":"11743","related_material":{"link":[{"relation":"supplementary_material","url":"https://groups.uni-paderborn.de/nt/pubs/2016/ChHeiHa16_Presentation.pdf","description":"Presentation"}]},"abstract":[{"text":"This contribution introduces a novel causal a priori signal-to-noise ratio (SNR) estimator for single-channel speech enhancement. To exploit the advantages of the generalized spectral subtraction, a normalized ?-order magnitude (NAOM) domain is introduced where an a priori SNR estimation is carried out. In this domain, the NAOM coefficients of noise and clean speech signals are modeled by a Weibull distribution and aWeibullmixturemodel (WMM), respectively. While the parameters of the noise model are calculated from the noise power spectral density estimates, the speechWMM parameters are estimated from the noisy signal by applying a causal Expectation-Maximization algorithm. Further a maximum a posteriori estimate of the a priori SNR is developed. The experiments in different noisy environments show the superiority of the proposed estimator compared to the well-known decision-directed approach in terms of estimation error, estimator variance and speech quality of the enhanced signals when used for speech enhancement.","lang":"eng"}],"publication":"12. ITG Fachtagung Sprachkommunikation (ITG 2016)","citation":{"ama":"Chinaev A, Heitkaemper J, Haeb-Umbach R. A Priori SNR Estimation Using Weibull Mixture Model. In: <i>12. ITG Fachtagung Sprachkommunikation (ITG 2016)</i>. ; 2016.","bibtex":"@inproceedings{Chinaev_Heitkaemper_Haeb-Umbach_2016, title={A Priori SNR Estimation Using Weibull Mixture Model}, booktitle={12. ITG Fachtagung Sprachkommunikation (ITG 2016)}, author={Chinaev, Aleksej and Heitkaemper, Jens and Haeb-Umbach, Reinhold}, year={2016} }","mla":"Chinaev, Aleksej, et al. “A Priori SNR Estimation Using Weibull Mixture Model.” <i>12. ITG Fachtagung Sprachkommunikation (ITG 2016)</i>, 2016.","chicago":"Chinaev, Aleksej, Jens Heitkaemper, and Reinhold Haeb-Umbach. “A Priori SNR Estimation Using Weibull Mixture Model.” In <i>12. ITG Fachtagung Sprachkommunikation (ITG 2016)</i>, 2016.","short":"A. Chinaev, J. Heitkaemper, R. Haeb-Umbach, in: 12. ITG Fachtagung Sprachkommunikation (ITG 2016), 2016.","apa":"Chinaev, A., Heitkaemper, J., &#38; Haeb-Umbach, R. (2016). A Priori SNR Estimation Using Weibull Mixture Model. In <i>12. ITG Fachtagung Sprachkommunikation (ITG 2016)</i>.","ieee":"A. Chinaev, J. Heitkaemper, and R. Haeb-Umbach, “A Priori SNR Estimation Using Weibull Mixture Model,” in <i>12. ITG Fachtagung Sprachkommunikation (ITG 2016)</i>, 2016."},"type":"conference","oa":"1","department":[{"_id":"54"}],"date_created":"2019-07-12T05:27:24Z"},{"date_created":"2019-07-12T05:27:25Z","type":"conference","department":[{"_id":"54"}],"oa":"1","publication":"12. ITG Fachtagung Sprachkommunikation (ITG 2016)","citation":{"ama":"Chinaev A, Heymann J, Drude L, Haeb-Umbach R. Noise-Presence-Probability-Based Noise PSD Estimation by Using DNNs. In: <i>12. ITG Fachtagung Sprachkommunikation (ITG 2016)</i>. ; 2016.","bibtex":"@inproceedings{Chinaev_Heymann_Drude_Haeb-Umbach_2016, title={Noise-Presence-Probability-Based Noise PSD Estimation by Using DNNs}, booktitle={12. ITG Fachtagung Sprachkommunikation (ITG 2016)}, author={Chinaev, Aleksej and Heymann, Jahn and Drude, Lukas and Haeb-Umbach, Reinhold}, year={2016} }","mla":"Chinaev, Aleksej, et al. “Noise-Presence-Probability-Based Noise PSD Estimation by Using DNNs.” <i>12. ITG Fachtagung Sprachkommunikation (ITG 2016)</i>, 2016.","short":"A. Chinaev, J. Heymann, L. Drude, R. Haeb-Umbach, in: 12. ITG Fachtagung Sprachkommunikation (ITG 2016), 2016.","chicago":"Chinaev, Aleksej, Jahn Heymann, Lukas Drude, and Reinhold Haeb-Umbach. “Noise-Presence-Probability-Based Noise PSD Estimation by Using DNNs.” In <i>12. ITG Fachtagung Sprachkommunikation (ITG 2016)</i>, 2016.","apa":"Chinaev, A., Heymann, J., Drude, L., &#38; Haeb-Umbach, R. (2016). Noise-Presence-Probability-Based Noise PSD Estimation by Using DNNs. In <i>12. ITG Fachtagung Sprachkommunikation (ITG 2016)</i>.","ieee":"A. Chinaev, J. Heymann, L. Drude, and R. Haeb-Umbach, “Noise-Presence-Probability-Based Noise PSD Estimation by Using DNNs,” in <i>12. ITG Fachtagung Sprachkommunikation (ITG 2016)</i>, 2016."},"abstract":[{"text":"A noise power spectral density (PSD) estimation is an indispensable component of speech spectral enhancement systems. In this paper we present a noise PSD tracking algorithm, which employs a noise presence probability estimate delivered by a deep neural network (DNN). The algorithm provides a causal noise PSD estimate and can thus be used in speech enhancement systems for communication purposes. An extensive performance comparison has been carried out with ten causal state-of-the-art noise tracking algorithms taken from the literature and categorized acc. to applied techniques. The experiments showed that the proposed DNN-based noise PSD tracker outperforms all competing methods with respect to all tested performance measures, which include the noise tracking performance and the performance of a speech enhancement system employing the noise tracking component.","lang":"eng"}],"related_material":{"link":[{"description":"Presentation","relation":"supplementary_material","url":"https://groups.uni-paderborn.de/nt/pubs/2016/ChHeyDrHa16_Presentation.pdf"}]},"main_file_link":[{"open_access":"1","url":"https://groups.uni-paderborn.de/nt/pubs/2016/ChHeyDrHa16.pdf"}],"_id":"11744","language":[{"iso":"eng"}],"user_id":"44006","status":"public","title":"Noise-Presence-Probability-Based Noise PSD Estimation by Using DNNs","year":"2016","author":[{"full_name":"Chinaev, Aleksej","first_name":"Aleksej","last_name":"Chinaev"},{"first_name":"Jahn","last_name":"Heymann","full_name":"Heymann, Jahn","id":"9168"},{"last_name":"Drude","first_name":"Lukas","full_name":"Drude, Lukas","id":"11213"},{"id":"242","full_name":"Haeb-Umbach, Reinhold","last_name":"Haeb-Umbach","first_name":"Reinhold"}],"date_updated":"2022-01-06T06:51:08Z"}]