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A Duration Model Analysis of Consumer Preferences and Determinants of Video Game Consumption. <i>Journal of Consumer Behaviour</i>, <i>17</i>(3), 290–301. <a href=\"https://doi.org/10.1002/cb.1711\">https://doi.org/10.1002/cb.1711</a>"},"page":"290 - 301","intvolume":"        17","language":[{"iso":"eng"}],"ddc":["040"],"publication":"Journal of Consumer Behaviour","file":[{"creator":"nmaraun","date_created":"2018-08-15T07:23:38Z","date_updated":"2018-08-15T07:23:38Z","access_level":"closed","file_id":"3908","file_name":"A duration model analysis of consumer preferences and determinants of video game consumption.pdf","file_size":425823,"content_type":"application/pdf","relation":"main_file"}],"date_created":"2018-02-14T12:30:36Z","publisher":"Wiley Online Library","title":"A Duration Model Analysis of Consumer Preferences and Determinants of Video Game Consumption","issue":"3","year":"2018"},{"type":"conference","publication":"DAGA 2018, München","status":"public","abstract":[{"lang":"eng","text":"Acoustic event detection, i.e., the task of assigning a human interpretable label to a segment of audio, has only recently attracted increased interest in the research community. Driven by the DCASE challenges and the availability of large-scale audio datasets, the state-of-the-art has progressed rapidly with deep-learning-based classi- fiers dominating the field. Because several potential use cases favor a realization on distributed sensor nodes, e.g. ambient assisted living applications, habitat monitoring or surveillance, we are concerned with two issues here. Firstly the classification performance of such systems and secondly the computing resources required to achieve a certain performance considering node level feature extraction. In this contribution we look at the balance between the two criteria by employing traditional techniques and different deep learning architectures, including convolutional and recurrent models in the context of real life everyday audio recordings in realistic, however challenging, multisource conditions."}],"user_id":"44006","department":[{"_id":"54"}],"_id":"11760","language":[{"iso":"eng"}],"citation":{"ama":"Ebbers J, Nelus A, Martin R, Haeb-Umbach R. Evaluation of Modulation-MFCC Features and DNN Classification for Acoustic Event Detection. In: <i>DAGA 2018, München</i>. ; 2018.","chicago":"Ebbers, Janek, Alexandru Nelus, Rainer Martin, and Reinhold Haeb-Umbach. “Evaluation of Modulation-MFCC Features and DNN Classification for Acoustic Event Detection.” In <i>DAGA 2018, München</i>, 2018.","ieee":"J. Ebbers, A. Nelus, R. Martin, and R. Haeb-Umbach, “Evaluation of Modulation-MFCC Features and DNN Classification for Acoustic Event Detection,” in <i>DAGA 2018, München</i>, 2018.","short":"J. Ebbers, A. Nelus, R. Martin, R. Haeb-Umbach, in: DAGA 2018, München, 2018.","bibtex":"@inproceedings{Ebbers_Nelus_Martin_Haeb-Umbach_2018, title={Evaluation of Modulation-MFCC Features and DNN Classification for Acoustic Event Detection}, booktitle={DAGA 2018, München}, author={Ebbers, Janek and Nelus, Alexandru and Martin, Rainer and Haeb-Umbach, Reinhold}, year={2018} }","mla":"Ebbers, Janek, et al. “Evaluation of Modulation-MFCC Features and DNN Classification for Acoustic Event Detection.” <i>DAGA 2018, München</i>, 2018.","apa":"Ebbers, J., Nelus, A., Martin, R., &#38; Haeb-Umbach, R. (2018). Evaluation of Modulation-MFCC Features and DNN Classification for Acoustic Event Detection. In <i>DAGA 2018, München</i>."},"year":"2018","date_created":"2019-07-12T05:27:43Z","author":[{"last_name":"Ebbers","id":"34851","full_name":"Ebbers, Janek","first_name":"Janek"},{"last_name":"Nelus","full_name":"Nelus, Alexandru","first_name":"Alexandru"},{"first_name":"Rainer","full_name":"Martin, Rainer","last_name":"Martin"},{"last_name":"Haeb-Umbach","full_name":"Haeb-Umbach, Reinhold","id":"242","first_name":"Reinhold"}],"date_updated":"2022-01-06T06:51:08Z","oa":"1","main_file_link":[{"url":"https://groups.uni-paderborn.de/nt/pubs/2018/Daga_2018_Ebbers_Paper.pdf","open_access":"1"}],"title":"Evaluation of Modulation-MFCC Features and DNN Classification for Acoustic Event Detection"},{"quality_controlled":"1","year":"2018","publisher":"CEUR-WS.org","date_created":"2018-03-02T09:22:12Z","title":"How to Deal with Inaccurate Service Requirements? Insights in Our Current Approach and New Ideas","publication":"Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track co-located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)","abstract":[{"lang":"eng","text":"The main idea in On-The-Fly Computing is to automatically compose existing software services according to the wishes of end-users. However, since user requirements are often ambiguous, vague and incomplete, the selection and composition of suitable software services is a challanging task. In this paper, we present our current approach to improve requirement descriptions before they are used for software composition. This procedure is fully automated, but also has limitations, for example, if necessary information is missing. In addition, and in response to the limitations, we provide insights into our above-mentioned current work that combines the existing optimization approach with a\r\nchatbot solution."}],"file":[{"content_type":"application/pdf","success":1,"relation":"main_file","date_updated":"2018-11-02T13:52:54Z","date_created":"2018-11-02T13:52:54Z","creator":"ups","file_size":1126820,"file_id":"5256","access_level":"closed","file_name":"NLP4RE_paper1.pdf"}],"ddc":["000"],"language":[{"iso":"eng"}],"publication_identifier":{"issn":["1613-0073"]},"has_accepted_license":"1","publication_status":"published","intvolume":"      2075","citation":{"short":"F.S. Bäumer, M. Geierhos, in: K. Schmid, P. Spoletini, E. Ben Charrada, Y. Chisik, F. Dalpiaz, A. Ferrari, P. Forbrig, X. Franch, M. Kirikova, N. Madhavji, C. Palomares, J. Ralyté, M. Sabetzadeh, P. Sawyer, D. van der Linden, A. Zamansky (Eds.), Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track Co-Located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018), CEUR-WS.org, 2018.","mla":"Bäumer, Frederik Simon, and Michaela Geierhos. “How to Deal with Inaccurate Service Requirements? Insights in Our Current Approach and New Ideas.” <i>Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track Co-Located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)</i>, edited by Klaus Schmid et al., vol. 2075, CEUR-WS.org, 2018.","bibtex":"@inproceedings{Bäumer_Geierhos_2018, series={CEUR Workshop Proceedings}, title={How to Deal with Inaccurate Service Requirements? Insights in Our Current Approach and New Ideas}, volume={2075}, booktitle={Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track co-located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)}, publisher={CEUR-WS.org}, author={Bäumer, Frederik Simon and Geierhos, Michaela}, editor={Schmid, Klaus and Spoletini, Paola and Ben Charrada, Eya and Chisik, Yoram and Dalpiaz, Fabiano and Ferrari, Alessio and Forbrig, Peter and Franch, Xavier and Kirikova, Marite and Madhavji, Nazim and et al.Editors}, year={2018}, collection={CEUR Workshop Proceedings} }","apa":"Bäumer, F. S., &#38; Geierhos, M. (2018). How to Deal with Inaccurate Service Requirements? Insights in Our Current Approach and New Ideas. In K. Schmid, P. Spoletini, E. Ben Charrada, Y. Chisik, F. Dalpiaz, A. Ferrari, … A. Zamansky (Eds.), <i>Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track co-located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)</i> (Vol. 2075). Utrecht, The Netherlands: CEUR-WS.org.","ieee":"F. S. Bäumer and M. Geierhos, “How to Deal with Inaccurate Service Requirements? Insights in Our Current Approach and New Ideas,” in <i>Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track co-located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)</i>, Utrecht, The Netherlands, 2018, vol. 2075.","chicago":"Bäumer, Frederik Simon, and Michaela Geierhos. “How to Deal with Inaccurate Service Requirements? Insights in Our Current Approach and New Ideas.” In <i>Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track Co-Located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)</i>, edited by Klaus Schmid, Paola Spoletini, Eya Ben Charrada, Yoram Chisik, Fabiano Dalpiaz, Alessio Ferrari, Peter Forbrig, et al., Vol. 2075. CEUR Workshop Proceedings. CEUR-WS.org, 2018.","ama":"Bäumer FS, Geierhos M. How to Deal with Inaccurate Service Requirements? Insights in Our Current Approach and New Ideas. In: Schmid K, Spoletini P, Ben Charrada E, et al., eds. <i>Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track Co-Located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)</i>. Vol 2075. CEUR Workshop Proceedings. CEUR-WS.org; 2018."},"date_updated":"2022-01-06T06:51:09Z","oa":"1","volume":2075,"author":[{"last_name":"Bäumer","full_name":"Bäumer, Frederik Simon","id":"38837","first_name":"Frederik Simon"},{"id":"42496","full_name":"Geierhos, Michaela","orcid":"0000-0002-8180-5606","last_name":"Geierhos","first_name":"Michaela"}],"conference":{"end_date":"2018-03-19","location":"Utrecht, The Netherlands","name":"1st Workshop on Natural Language Processing for Requirements Engineering (NLP4RE)","start_date":"2018-03-19"},"main_file_link":[{"url":"http://ceur-ws.org/Vol-2075/NLP4RE_paper1.pdf","open_access":"1"}],"type":"conference","editor":[{"first_name":"Klaus","full_name":"Schmid, Klaus","last_name":"Schmid"},{"first_name":"Paola","full_name":"Spoletini, Paola","last_name":"Spoletini"},{"full_name":"Ben Charrada, Eya","last_name":"Ben Charrada","first_name":"Eya"},{"full_name":"Chisik, Yoram","last_name":"Chisik","first_name":"Yoram"},{"last_name":"Dalpiaz","full_name":"Dalpiaz, Fabiano","first_name":"Fabiano"},{"first_name":"Alessio","last_name":"Ferrari","full_name":"Ferrari, Alessio"},{"first_name":"Peter","last_name":"Forbrig","full_name":"Forbrig, Peter"},{"first_name":"Xavier","full_name":"Franch, Xavier","last_name":"Franch"},{"last_name":"Kirikova","full_name":"Kirikova, Marite","first_name":"Marite"},{"full_name":"Madhavji, Nazim","last_name":"Madhavji","first_name":"Nazim"},{"first_name":"Cristina","last_name":"Palomares","full_name":"Palomares, Cristina"},{"last_name":"Ralyté","full_name":"Ralyté, Jolita","first_name":"Jolita"},{"first_name":"Mehrdad","full_name":"Sabetzadeh, Mehrdad","last_name":"Sabetzadeh"},{"full_name":"Sawyer, Pete","last_name":"Sawyer","first_name":"Pete"},{"last_name":"van der Linden","full_name":"van der Linden, Dirk","first_name":"Dirk"},{"full_name":"Zamansky, Anna","last_name":"Zamansky","first_name":"Anna"}],"status":"public","_id":"1181","project":[{"_id":"1","name":"SFB 901"},{"name":"SFB 901 - Project Area B","_id":"3"},{"_id":"9","name":"SFB 901 - Subproject B1"}],"department":[{"_id":"36"},{"_id":"1"},{"_id":"579"}],"series_title":"CEUR Workshop Proceedings","user_id":"477","file_date_updated":"2018-11-02T13:52:54Z"},{"year":"2018","quality_controlled":"1","title":"CORDULA: Software Requirements Extraction Utilizing Chatbot as Communication Interface","publisher":"CEUR-WS.org","date_created":"2018-03-02T09:27:12Z","abstract":[{"lang":"eng","text":"Natural language requirement descriptions are often unstructured, contradictory and incomplete and are therefore challenging for automatic processing. Although many of these deficits can be compensated by means of Natural Language Processing, there still remain cases where interaction with end-users is necessary for clarification. In this paper, we present our idea of using chatbot technology to establish end-user communication in order to support the automatic compensation of some deficits in natural language requirement descriptions."}],"file":[{"date_updated":"2018-11-02T14:36:55Z","date_created":"2018-11-02T14:36:55Z","creator":"ups","file_size":530902,"file_name":"NLP4RE_paper3.pdf","file_id":"5276","access_level":"closed","content_type":"application/pdf","success":1,"relation":"main_file"}],"publication":"Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track co-located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)","ddc":["000"],"language":[{"iso":"eng"}],"citation":{"ieee":"E. Friesen, F. S. Bäumer, and M. Geierhos, “CORDULA: Software Requirements Extraction Utilizing Chatbot as Communication Interface,” in <i>Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track co-located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)</i>, Utrecht, The Netherlands, 2018, vol. 2075.","chicago":"Friesen, Edwin, Frederik Simon Bäumer, and Michaela Geierhos. “CORDULA: Software Requirements Extraction Utilizing Chatbot as Communication Interface.” In <i>Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track Co-Located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)</i>, edited by Klaus  Schmid, Paola  Spoletini, Eya  Ben Charrada, Yoram  Chisik, Fabiano  Dalpiaz, Alessio  Ferrari, Peter  Forbrig, et al., Vol. 2075. CEUR Workshop Proceedings. CEUR-WS.org, 2018.","ama":"Friesen E, Bäumer FS, Geierhos M. CORDULA: Software Requirements Extraction Utilizing Chatbot as Communication Interface. In: Schmid K, Spoletini P, Ben Charrada E, et al., eds. <i>Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track Co-Located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)</i>. Vol 2075. CEUR Workshop Proceedings. CEUR-WS.org; 2018.","apa":"Friesen, E., Bäumer, F. S., &#38; Geierhos, M. (2018). CORDULA: Software Requirements Extraction Utilizing Chatbot as Communication Interface. In K. Schmid, P. Spoletini, E. Ben Charrada, Y. Chisik, F. Dalpiaz, A. Ferrari, … A. Zamansky (Eds.), <i>Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track co-located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)</i> (Vol. 2075). Utrecht, The Netherlands: CEUR-WS.org.","mla":"Friesen, Edwin, et al. “CORDULA: Software Requirements Extraction Utilizing Chatbot as Communication Interface.” <i>Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track Co-Located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)</i>, edited by Klaus  Schmid et al., vol. 2075, CEUR-WS.org, 2018.","bibtex":"@inproceedings{Friesen_Bäumer_Geierhos_2018, series={CEUR Workshop Proceedings}, title={CORDULA: Software Requirements Extraction Utilizing Chatbot as Communication Interface}, volume={2075}, booktitle={Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track co-located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)}, publisher={CEUR-WS.org}, author={Friesen, Edwin and Bäumer, Frederik Simon and Geierhos, Michaela}, editor={Schmid, Klaus  and Spoletini, Paola  and Ben Charrada, Eya  and Chisik, Yoram  and Dalpiaz, Fabiano  and Ferrari, Alessio  and Forbrig, Peter  and Franch, Xavier  and Kirikova, Marite  and Madhavji, Nazim  and et al.Editors}, year={2018}, collection={CEUR Workshop Proceedings} }","short":"E. Friesen, F.S. Bäumer, M. Geierhos, in: K. Schmid, P. Spoletini, E. Ben Charrada, Y. Chisik, F. Dalpiaz, A. Ferrari, P. Forbrig, X. Franch, M. Kirikova, N. Madhavji, C. Palomares, J. Ralyté, M. Sabetzadeh, P. Sawyer, D. van der Linden, A. Zamansky (Eds.), Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track Co-Located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018), CEUR-WS.org, 2018."},"intvolume":"      2075","publication_status":"published","has_accepted_license":"1","publication_identifier":{"issn":["1613-0073"]},"main_file_link":[{"url":"http://ceur-ws.org/Vol-2075/NLP4RE_paper3.pdf","open_access":"1"}],"conference":{"end_date":"2018-03-19","location":"Utrecht, The Netherlands","name":"1st Workshop on Natural Language Processing for Requirements Engineering (NLP4RE)","start_date":"2018-03-19"},"oa":"1","date_updated":"2022-01-06T06:51:10Z","author":[{"first_name":"Edwin","last_name":"Friesen","full_name":"Friesen, Edwin"},{"first_name":"Frederik Simon","last_name":"Bäumer","full_name":"Bäumer, Frederik Simon","id":"38837"},{"full_name":"Geierhos, Michaela","id":"42496","orcid":"0000-0002-8180-5606","last_name":"Geierhos","first_name":"Michaela"}],"volume":2075,"editor":[{"last_name":"Schmid","full_name":"Schmid, Klaus ","first_name":"Klaus "},{"full_name":"Spoletini, Paola ","last_name":"Spoletini","first_name":"Paola "},{"full_name":"Ben Charrada, Eya ","last_name":"Ben Charrada","first_name":"Eya "},{"first_name":"Yoram ","last_name":"Chisik","full_name":"Chisik, Yoram "},{"first_name":"Fabiano ","last_name":"Dalpiaz","full_name":"Dalpiaz, Fabiano "},{"first_name":"Alessio ","last_name":"Ferrari","full_name":"Ferrari, Alessio "},{"full_name":"Forbrig, Peter ","last_name":"Forbrig","first_name":"Peter "},{"last_name":"Franch","full_name":"Franch, Xavier ","first_name":"Xavier "},{"first_name":"Marite ","last_name":"Kirikova","full_name":"Kirikova, Marite "},{"first_name":"Nazim ","full_name":"Madhavji, Nazim ","last_name":"Madhavji"},{"full_name":"Palomares, Cristina ","last_name":"Palomares","first_name":"Cristina "},{"last_name":"Ralyté","full_name":"Ralyté, Jolita ","first_name":"Jolita "},{"first_name":"Mehrdad ","last_name":"Sabetzadeh","full_name":"Sabetzadeh, Mehrdad "},{"last_name":"Sawyer","full_name":"Sawyer, Pete ","first_name":"Pete "},{"first_name":"Dirk ","last_name":"van der Linden","full_name":"van der Linden, Dirk "},{"full_name":"Zamansky, Anna ","last_name":"Zamansky","first_name":"Anna "}],"status":"public","type":"conference","file_date_updated":"2018-11-02T14:36:55Z","project":[{"name":"SFB 901","_id":"1"},{"name":"SFB 901 - Project Area B","_id":"3"},{"_id":"9","name":"SFB 901 - Subproject B1"}],"_id":"1182","user_id":"477","series_title":"CEUR Workshop Proceedings","department":[{"_id":"36"},{"_id":"1"},{"_id":"579"}]},{"year":"2018","quality_controlled":"1","title":"Back to Basics: Extracting Software Requirements with a Syntactic Approach","date_created":"2018-03-02T09:28:59Z","publisher":"CEUR-WS.org","file":[{"content_type":"application/pdf","relation":"main_file","success":1,"date_created":"2018-11-02T14:40:58Z","creator":"ups","date_updated":"2018-11-02T14:40:58Z","access_level":"closed","file_name":"NLP4RE_paper5.pdf","file_id":"5279","file_size":254814}],"abstract":[{"lang":"eng","text":"As our world grows in complexity, companies and employees alike need, more than ever before, solutions tailored to their exact needs. Since such tools cannot always be purchased off-the-shelf and need to be designed from the ground up, developers rely on software requirements. In this paper, we present our vision of a syntactic rule-based extraction\r\ntool for software requirements specification documents. In contrast to other methods, our tool will allow stakeholders to express their needs and wishes in unfiltered natural language, which we believe is essential for non-expert users."}],"publication":"Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track co-located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)","language":[{"iso":"eng"}],"ddc":["000"],"citation":{"bibtex":"@inproceedings{Caron_Bäumer_Geierhos_2018, series={CEUR Workshop Proceedings}, title={Back to Basics: Extracting Software Requirements with a Syntactic Approach}, volume={2075}, booktitle={Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track co-located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)}, publisher={CEUR-WS.org}, author={Caron, Matthew and Bäumer, Frederik Simon and Geierhos, Michaela}, editor={Schmid, Klaus and Spoletini, Paola and Ben Charrada, Eya and Chisik, Yoram and Dalpiaz, Fabiano and Ferrari, Alessio and Forbrig, Peter and Franch, Xavier and Kirikova, Marite and Madhavji, Nazim and et al.Editors}, year={2018}, collection={CEUR Workshop Proceedings} }","mla":"Caron, Matthew, et al. “Back to Basics: Extracting Software Requirements with a Syntactic Approach.” <i>Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track Co-Located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)</i>, edited by Klaus Schmid et al., vol. 2075, CEUR-WS.org, 2018.","short":"M. Caron, F.S. Bäumer, M. Geierhos, in: K. Schmid, P. Spoletini, E. Ben Charrada, Y. Chisik, F. Dalpiaz, A. Ferrari, P. Forbrig, X. Franch, M. Kirikova, N. Madhavji, C. Palomares, J. Ralyté, M. Sabetzadeh, P. Sawyer, D. van der Linden, A. Zamansky (Eds.), Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track Co-Located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018), CEUR-WS.org, 2018.","apa":"Caron, M., Bäumer, F. S., &#38; Geierhos, M. (2018). Back to Basics: Extracting Software Requirements with a Syntactic Approach. In K. Schmid, P. Spoletini, E. Ben Charrada, Y. Chisik, F. Dalpiaz, A. Ferrari, … A. Zamansky (Eds.), <i>Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track co-located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)</i> (Vol. 2075). Utrecht, The Netherlands: CEUR-WS.org.","ama":"Caron M, Bäumer FS, Geierhos M. Back to Basics: Extracting Software Requirements with a Syntactic Approach. In: Schmid K, Spoletini P, Ben Charrada E, et al., eds. <i>Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track Co-Located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)</i>. Vol 2075. CEUR Workshop Proceedings. CEUR-WS.org; 2018.","chicago":"Caron, Matthew, Frederik Simon Bäumer, and Michaela Geierhos. “Back to Basics: Extracting Software Requirements with a Syntactic Approach.” In <i>Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track Co-Located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)</i>, edited by Klaus Schmid, Paola Spoletini, Eya Ben Charrada, Yoram Chisik, Fabiano Dalpiaz, Alessio Ferrari, Peter Forbrig, et al., Vol. 2075. CEUR Workshop Proceedings. CEUR-WS.org, 2018.","ieee":"M. Caron, F. S. Bäumer, and M. Geierhos, “Back to Basics: Extracting Software Requirements with a Syntactic Approach,” in <i>Joint Proceedings of REFSQ-2018 Workshops, Doctoral Symposium, Live Studies Track, and Poster Track co-located with the 23rd International Conference on Requirements Engineering: Foundation for Software Quality (REFSQ 2018)</i>, Utrecht, The Netherlands, 2018, vol. 2075."},"intvolume":"      2075","publication_status":"published","publication_identifier":{"issn":["1613-0073"]},"has_accepted_license":"1","main_file_link":[{"url":"http://ceur-ws.org/Vol-2075/NLP4RE_paper5.pdf","open_access":"1"}],"conference":{"start_date":"2018-03-19","name":"1st Workshop on Natural Language Processing for Requirements Engineering (NLP4RE)","location":"Utrecht, The Netherlands","end_date":"2018-03-19"},"author":[{"last_name":"Caron","full_name":"Caron, Matthew","first_name":"Matthew"},{"first_name":"Frederik Simon","last_name":"Bäumer","id":"38837","full_name":"Bäumer, Frederik Simon"},{"last_name":"Geierhos","orcid":"0000-0002-8180-5606","id":"42496","full_name":"Geierhos, Michaela","first_name":"Michaela"}],"volume":2075,"date_updated":"2022-01-06T06:51:11Z","oa":"1","status":"public","editor":[{"full_name":"Schmid, Klaus","last_name":"Schmid","first_name":"Klaus"},{"first_name":"Paola","full_name":"Spoletini, Paola","last_name":"Spoletini"},{"first_name":"Eya","full_name":"Ben Charrada, Eya","last_name":"Ben Charrada"},{"first_name":"Yoram","full_name":"Chisik, Yoram","last_name":"Chisik"},{"full_name":"Dalpiaz, Fabiano","last_name":"Dalpiaz","first_name":"Fabiano"},{"first_name":"Alessio","last_name":"Ferrari","full_name":"Ferrari, Alessio"},{"full_name":"Forbrig, Peter","last_name":"Forbrig","first_name":"Peter"},{"last_name":"Franch","full_name":"Franch, Xavier","first_name":"Xavier"},{"last_name":"Kirikova","full_name":"Kirikova, Marite","first_name":"Marite"},{"first_name":"Nazim","last_name":"Madhavji","full_name":"Madhavji, Nazim"},{"last_name":"Palomares","full_name":"Palomares, Cristina","first_name":"Cristina"},{"last_name":"Ralyté","full_name":"Ralyté, Jolita","first_name":"Jolita"},{"last_name":"Sabetzadeh","full_name":"Sabetzadeh, Mehrdad","first_name":"Mehrdad"},{"last_name":"Sawyer","full_name":"Sawyer, Pete","first_name":"Pete"},{"first_name":"Dirk","full_name":"van der Linden, Dirk","last_name":"van der Linden"},{"first_name":"Anna","last_name":"Zamansky","full_name":"Zamansky, Anna"}],"type":"conference","file_date_updated":"2018-11-02T14:40:58Z","user_id":"477","series_title":"CEUR Workshop Proceedings","department":[{"_id":"36"},{"_id":"1"},{"_id":"579"}],"project":[{"_id":"1","name":"SFB 901"},{"_id":"3","name":"SFB 901 - Project Area B"},{"_id":"9","name":"SFB 901 - Subproject B1"}],"_id":"1183"},{"related_material":{"link":[{"description":"Poster","relation":"supplementary_material","url":"https://groups.uni-paderborn.de/nt/pubs/2018/IWAENC_2018_Heymann_Poster.pdf"}]},"citation":{"apa":"Heymann, J., Drude, L., Haeb-Umbach, R., Kinoshita, K., &#38; Nakatani, T. (2018). Frame-Online DNN-WPE Dereverberation. In <i>IWAENC 2018, Tokio, Japan</i>.","bibtex":"@inproceedings{Heymann_Drude_Haeb-Umbach_Kinoshita_Nakatani_2018, title={Frame-Online DNN-WPE Dereverberation}, booktitle={IWAENC 2018, Tokio, Japan}, author={Heymann, Jahn and Drude, Lukas and Haeb-Umbach, Reinhold and Kinoshita, Keisuke and Nakatani, Tomohiro}, year={2018} }","mla":"Heymann, Jahn, et al. “Frame-Online DNN-WPE Dereverberation.” <i>IWAENC 2018, Tokio, Japan</i>, 2018.","short":"J. Heymann, L. Drude, R. Haeb-Umbach, K. Kinoshita, T. Nakatani, in: IWAENC 2018, Tokio, Japan, 2018.","ama":"Heymann J, Drude L, Haeb-Umbach R, Kinoshita K, Nakatani T. Frame-Online DNN-WPE Dereverberation. In: <i>IWAENC 2018, Tokio, Japan</i>. ; 2018.","ieee":"J. Heymann, L. Drude, R. Haeb-Umbach, K. Kinoshita, and T. Nakatani, “Frame-Online DNN-WPE Dereverberation,” in <i>IWAENC 2018, Tokio, Japan</i>, 2018.","chicago":"Heymann, Jahn, Lukas Drude, Reinhold Haeb-Umbach, Keisuke Kinoshita, and Tomohiro Nakatani. “Frame-Online DNN-WPE Dereverberation.” In <i>IWAENC 2018, Tokio, Japan</i>, 2018."},"year":"2018","author":[{"last_name":"Heymann","id":"9168","full_name":"Heymann, Jahn","first_name":"Jahn"},{"last_name":"Drude","full_name":"Drude, Lukas","id":"11213","first_name":"Lukas"},{"first_name":"Reinhold","full_name":"Haeb-Umbach, Reinhold","id":"242","last_name":"Haeb-Umbach"},{"last_name":"Kinoshita","full_name":"Kinoshita, Keisuke","first_name":"Keisuke"},{"first_name":"Tomohiro","full_name":"Nakatani, Tomohiro","last_name":"Nakatani"}],"date_created":"2019-07-12T05:29:10Z","oa":"1","date_updated":"2022-01-06T06:51:11Z","main_file_link":[{"open_access":"1","url":"https://groups.uni-paderborn.de/nt/pubs/2018/IWAENC_2018_Heymann_Paper.pdf"}],"title":"Frame-Online DNN-WPE Dereverberation","publication":"IWAENC 2018, Tokio, Japan","type":"conference","status":"public","abstract":[{"text":"Signal dereverberation using the weighted prediction error (WPE) method has been proven to be an effective means to raise the accuracy of far-field speech recognition. But in its original formulation, WPE requires multiple iterations over a sufficiently long utterance, rendering it unsuitable for online low-latency applications. Recently, two methods have been proposed to overcome this limitation. One utilizes a neural network to estimate the power spectral density (PSD) of the target signal and works in a block-online fashion. The other method relies on a rather simple PSD estimation which smoothes the observed PSD and utilizes a recursive formulation which enables it to work on a frame-by-frame basis. In this paper, we integrate a deep neural network (DNN) based estimator into the recursive frame-online formulation. We evaluate the performance of the recursive system with different PSD estimators in comparison to the block-online and offline variant on two distinct corpora. The REVERB challenge data, where the signal is mainly deteriorated by reverberation, and a database which combines WSJ and VoiceHome to also consider (directed) noise sources. The results show that although smoothing works surprisingly well, the more sophisticated DNN based estimator shows promising improvements and shortens the performance gap between online and offline processing.","lang":"eng"}],"department":[{"_id":"54"}],"user_id":"44006","_id":"11835","language":[{"iso":"eng"}]},{"publication":"ITG 2018, Oldenburg, Germany","type":"conference","abstract":[{"text":"We present a block-online multi-channel front end for automatic speech recognition in noisy and reverberated environments. It is an online version of our earlier proposed neural network supported acoustic beamformer, whose coefficients are calculated from noise and speech spatial covariance matrices which are estimated utilizing a neural mask estimator. However, the sparsity of speech in the STFT domain causes problems for the initial beamformer coefficients estimation in some frequency bins due to lack of speech observations. We propose two methods to mitigate this issue. The first is to lower the frequency resolution of the STFT, which comes with the additional advantage of a reduced time window, thus lowering the latency introduced by block processing. The second approach is to smooth beamforming coefficients along the frequency axis, thus exploiting their high interfrequency correlation. With both approaches the gap between offline and block-online beamformer performance, as measured by the word error rate achieved by a downstream speech recognizer, is significantly reduced. Experiments are carried out on two copora, representing noisy (CHiME-4) and noisy reverberant (voiceHome) environments.","lang":"eng"}],"status":"public","_id":"11837","department":[{"_id":"54"}],"user_id":"44006","language":[{"iso":"eng"}],"related_material":{"link":[{"url":"https://groups.uni-paderborn.de/nt/pubs/2018/ITG_2018_Heitkaemper_Slides.pdf","description":"Slides","relation":"supplementary_material"}]},"year":"2018","citation":{"apa":"Heitkaemper, J., Heymann, J., &#38; Haeb-Umbach, R. (2018). Smoothing along Frequency in Online Neural Network Supported Acoustic Beamforming. In <i>ITG 2018, Oldenburg, Germany</i>.","mla":"Heitkaemper, Jens, et al. “Smoothing along Frequency in Online Neural Network Supported Acoustic Beamforming.” <i>ITG 2018, Oldenburg, Germany</i>, 2018.","bibtex":"@inproceedings{Heitkaemper_Heymann_Haeb-Umbach_2018, title={Smoothing along Frequency in Online Neural Network Supported Acoustic Beamforming}, booktitle={ITG 2018, Oldenburg, Germany}, author={Heitkaemper, Jens and Heymann, Jahn and Haeb-Umbach, Reinhold}, year={2018} }","short":"J. Heitkaemper, J. Heymann, R. Haeb-Umbach, in: ITG 2018, Oldenburg, Germany, 2018.","chicago":"Heitkaemper, Jens, Jahn Heymann, and Reinhold Haeb-Umbach. “Smoothing along Frequency in Online Neural Network Supported Acoustic Beamforming.” In <i>ITG 2018, Oldenburg, Germany</i>, 2018.","ieee":"J. Heitkaemper, J. Heymann, and R. Haeb-Umbach, “Smoothing along Frequency in Online Neural Network Supported Acoustic Beamforming,” in <i>ITG 2018, Oldenburg, Germany</i>, 2018.","ama":"Heitkaemper J, Heymann J, Haeb-Umbach R. Smoothing along Frequency in Online Neural Network Supported Acoustic Beamforming. In: <i>ITG 2018, Oldenburg, Germany</i>. ; 2018."},"date_updated":"2022-01-06T06:51:11Z","oa":"1","date_created":"2019-07-12T05:29:13Z","author":[{"last_name":"Heitkaemper","id":"27643","full_name":"Heitkaemper, Jens","first_name":"Jens"},{"last_name":"Heymann","full_name":"Heymann, Jahn","id":"9168","first_name":"Jahn"},{"full_name":"Haeb-Umbach, Reinhold","id":"242","last_name":"Haeb-Umbach","first_name":"Reinhold"}],"title":"Smoothing along Frequency in Online Neural Network Supported Acoustic Beamforming","main_file_link":[{"open_access":"1","url":"https://groups.uni-paderborn.de/nt/pubs/2018/ITG_2018_Heitkaemper_Paper.pdf"}]},{"_id":"1186","project":[{"name":"SFB 901","_id":"1"},{"_id":"2","name":"SFB 901 - Project Area A"},{"_id":"7","name":"SFB 901 - Subproject A3"}],"department":[{"_id":"63"},{"_id":"541"}],"user_id":"14052","status":"public","type":"mastersthesis","title":"Pure Nash Equilibria in Robust Congestion Games via Potential Functions","date_updated":"2022-01-06T06:51:11Z","publisher":"Universität Paderborn","supervisor":[{"id":"40384","full_name":"Skopalik, Alexander","last_name":"Skopalik","first_name":"Alexander"}],"date_created":"2018-03-02T13:47:57Z","author":[{"last_name":"Kemper","full_name":"Kemper, Arne","first_name":"Arne"}],"year":"2018","citation":{"ieee":"A. Kemper, <i>Pure Nash Equilibria in Robust Congestion Games via Potential Functions</i>. Universität Paderborn, 2018.","chicago":"Kemper, Arne. <i>Pure Nash Equilibria in Robust Congestion Games via Potential Functions</i>. Universität Paderborn, 2018.","ama":"Kemper A. <i>Pure Nash Equilibria in Robust Congestion Games via Potential Functions</i>. Universität Paderborn; 2018.","bibtex":"@book{Kemper_2018, title={Pure Nash Equilibria in Robust Congestion Games via Potential Functions}, publisher={Universität Paderborn}, author={Kemper, Arne}, year={2018} }","short":"A. Kemper, Pure Nash Equilibria in Robust Congestion Games via Potential Functions, Universität Paderborn, 2018.","mla":"Kemper, Arne. <i>Pure Nash Equilibria in Robust Congestion Games via Potential Functions</i>. Universität Paderborn, 2018.","apa":"Kemper, A. (2018). <i>Pure Nash Equilibria in Robust Congestion Games via Potential Functions</i>. Universität Paderborn."}},{"type":"bachelorsthesis","status":"public","project":[{"_id":"1","name":"SFB 901"},{"name":"SFB 901 - Project Area A","_id":"2"},{"_id":"7","name":"SFB 901 - Subproject A3"}],"_id":"1187","user_id":"14052","department":[{"_id":"63"},{"_id":"541"}],"year":"2018","citation":{"ama":"Nachtigall M. <i>Scenario-Driven Strategy Analysis in a n-Player Composition Game Model</i>. Universität Paderborn; 2018.","ieee":"M. Nachtigall, <i>Scenario-driven Strategy Analysis in a n-player Composition Game Model</i>. Universität Paderborn, 2018.","chicago":"Nachtigall, Marcel. <i>Scenario-Driven Strategy Analysis in a n-Player Composition Game Model</i>. Universität Paderborn, 2018.","apa":"Nachtigall, M. (2018). <i>Scenario-driven Strategy Analysis in a n-player Composition Game Model</i>. Universität Paderborn.","short":"M. Nachtigall, Scenario-Driven Strategy Analysis in a n-Player Composition Game Model, Universität Paderborn, 2018.","bibtex":"@book{Nachtigall_2018, title={Scenario-driven Strategy Analysis in a n-player Composition Game Model}, publisher={Universität Paderborn}, author={Nachtigall, Marcel}, year={2018} }","mla":"Nachtigall, Marcel. <i>Scenario-Driven Strategy Analysis in a n-Player Composition Game Model</i>. Universität Paderborn, 2018."},"publisher":"Universität Paderborn","date_updated":"2022-01-06T06:51:11Z","author":[{"first_name":"Marcel","full_name":"Nachtigall, Marcel","last_name":"Nachtigall"}],"supervisor":[{"first_name":"Alexander","last_name":"Skopalik","full_name":"Skopalik, Alexander","id":"40384"}],"date_created":"2018-03-02T13:49:39Z","title":"Scenario-driven Strategy Analysis in a n-player Composition Game Model"},{"project":[{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"_id":"11872","user_id":"40767","department":[{"_id":"54"}],"language":[{"iso":"eng"}],"type":"conference","publication":"INTERSPEECH 2018, Hyderabad, India","abstract":[{"text":"The weighted prediction error (WPE) algorithm has proven to be a very successful dereverberation method for the REVERB challenge. Likewise, neural network based mask estimation for beamforming demonstrated very good noise suppression in the CHiME 3 and CHiME 4 challenges. Recently, it has been shown that this estimator can also be trained to perform dereverberation and denoising jointly. However, up to now a comparison of a neural beamformer and WPE is still missing, so is an investigation into a combination of the two. Therefore, we here provide an extensive evaluation of both and consequently propose variants to integrate deep neural network based beamforming with WPE. For these integrated variants we identify a consistent word error rate (WER) reduction on two distinct databases. In particular, our study shows that deep learning based beamforming benefits from a model-based dereverberation technique (i.e. WPE) and vice versa. Our key findings are: (a) Neural beamforming yields the lower WERs in comparison to WPE the more channels and noise are present. (b) Integration of WPE and a neural beamformer consistently outperforms all stand-alone systems.","lang":"eng"}],"status":"public","oa":"1","date_updated":"2022-01-06T06:51:11Z","date_created":"2019-07-12T05:29:53Z","author":[{"last_name":"Drude","id":"11213","full_name":"Drude, Lukas","first_name":"Lukas"},{"last_name":"Boeddeker","id":"40767","full_name":"Boeddeker, Christoph","first_name":"Christoph"},{"first_name":"Jahn","full_name":"Heymann, Jahn","id":"9168","last_name":"Heymann"},{"full_name":"Kinoshita, Keisuke","last_name":"Kinoshita","first_name":"Keisuke"},{"last_name":"Delcroix","full_name":"Delcroix, Marc","first_name":"Marc"},{"last_name":"Nakatani","full_name":"Nakatani, Tomohiro","first_name":"Tomohiro"},{"last_name":"Haeb-Umbach","full_name":"Haeb-Umbach, Reinhold","id":"242","first_name":"Reinhold"}],"title":"Integration neural network based beamforming and weighted prediction error dereverberation","main_file_link":[{"url":"https://groups.uni-paderborn.de/nt/pubs/2018/INTERSPEECH_2018_Drude_Paper.pdf","open_access":"1"}],"related_material":{"link":[{"description":"Slides","relation":"supplementary_material","url":"https://groups.uni-paderborn.de/nt/pubs/2018/INTERSPEECH_2018_Drude_Slides.pdf"}]},"year":"2018","citation":{"chicago":"Drude, Lukas, Christoph Boeddeker, Jahn Heymann, Keisuke Kinoshita, Marc Delcroix, Tomohiro Nakatani, and Reinhold Haeb-Umbach. “Integration Neural Network Based Beamforming and Weighted Prediction Error Dereverberation.” In <i>INTERSPEECH 2018, Hyderabad, India</i>, 2018.","ieee":"L. Drude <i>et al.</i>, “Integration neural network based beamforming and weighted prediction error dereverberation,” in <i>INTERSPEECH 2018, Hyderabad, India</i>, 2018.","ama":"Drude L, Boeddeker C, Heymann J, et al. Integration neural network based beamforming and weighted prediction error dereverberation. In: <i>INTERSPEECH 2018, Hyderabad, India</i>. ; 2018.","bibtex":"@inproceedings{Drude_Boeddeker_Heymann_Kinoshita_Delcroix_Nakatani_Haeb-Umbach_2018, title={Integration neural network based beamforming and weighted prediction error dereverberation}, booktitle={INTERSPEECH 2018, Hyderabad, India}, author={Drude, Lukas and Boeddeker, Christoph and Heymann, Jahn and Kinoshita, Keisuke and Delcroix, Marc and Nakatani, Tomohiro and Haeb-Umbach, Reinhold}, year={2018} }","mla":"Drude, Lukas, et al. “Integration Neural Network Based Beamforming and Weighted Prediction Error Dereverberation.” <i>INTERSPEECH 2018, Hyderabad, India</i>, 2018.","short":"L. Drude, C. Boeddeker, J. Heymann, K. Kinoshita, M. Delcroix, T. Nakatani, R. Haeb-Umbach, in: INTERSPEECH 2018, Hyderabad, India, 2018.","apa":"Drude, L., Boeddeker, C., Heymann, J., Kinoshita, K., Delcroix, M., Nakatani, T., &#38; Haeb-Umbach, R. (2018). Integration neural network based beamforming and weighted prediction error dereverberation. In <i>INTERSPEECH 2018, Hyderabad, India</i>."}},{"main_file_link":[{"url":"https://groups.uni-paderborn.de/nt/pubs/2018/ITG_2018_Drude_Paper.pdf","open_access":"1"}],"title":"NARA-WPE: A Python package for weighted prediction error dereverberation in Numpy and Tensorflow for online and offline processing","author":[{"first_name":"Lukas","id":"11213","full_name":"Drude, Lukas","last_name":"Drude"},{"full_name":"Heymann, Jahn","id":"9168","last_name":"Heymann","first_name":"Jahn"},{"id":"40767","full_name":"Boeddeker, Christoph","last_name":"Boeddeker","first_name":"Christoph"},{"first_name":"Reinhold","last_name":"Haeb-Umbach","id":"242","full_name":"Haeb-Umbach, Reinhold"}],"date_created":"2019-07-12T05:29:54Z","date_updated":"2022-01-06T06:51:11Z","oa":"1","citation":{"chicago":"Drude, Lukas, Jahn Heymann, Christoph Boeddeker, and Reinhold Haeb-Umbach. “NARA-WPE: A Python Package for Weighted Prediction Error Dereverberation in Numpy and Tensorflow for Online and Offline Processing.” In <i>ITG 2018, Oldenburg, Germany</i>, 2018.","ieee":"L. Drude, J. Heymann, C. Boeddeker, and R. Haeb-Umbach, “NARA-WPE: A Python package for weighted prediction error dereverberation in Numpy and Tensorflow for online and offline processing,” in <i>ITG 2018, Oldenburg, Germany</i>, 2018.","ama":"Drude L, Heymann J, Boeddeker C, Haeb-Umbach R. NARA-WPE: A Python package for weighted prediction error dereverberation in Numpy and Tensorflow for online and offline processing. In: <i>ITG 2018, Oldenburg, Germany</i>. ; 2018.","apa":"Drude, L., Heymann, J., Boeddeker, C., &#38; Haeb-Umbach, R. (2018). NARA-WPE: A Python package for weighted prediction error dereverberation in Numpy and Tensorflow for online and offline processing. In <i>ITG 2018, Oldenburg, Germany</i>.","bibtex":"@inproceedings{Drude_Heymann_Boeddeker_Haeb-Umbach_2018, title={NARA-WPE: A Python package for weighted prediction error dereverberation in Numpy and Tensorflow for online and offline processing}, booktitle={ITG 2018, Oldenburg, Germany}, author={Drude, Lukas and Heymann, Jahn and Boeddeker, Christoph and Haeb-Umbach, Reinhold}, year={2018} }","mla":"Drude, Lukas, et al. “NARA-WPE: A Python Package for Weighted Prediction Error Dereverberation in Numpy and Tensorflow for Online and Offline Processing.” <i>ITG 2018, Oldenburg, Germany</i>, 2018.","short":"L. Drude, J. Heymann, C. Boeddeker, R. Haeb-Umbach, in: ITG 2018, Oldenburg, Germany, 2018."},"year":"2018","related_material":{"link":[{"relation":"supplementary_material","description":"Poster","url":"https://groups.uni-paderborn.de/nt/pubs/2018/ITG_2018_Drude_Poster.pdf"}]},"language":[{"iso":"eng"}],"user_id":"40767","department":[{"_id":"54"}],"project":[{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"_id":"11873","status":"public","abstract":[{"lang":"eng","text":"NARA-WPE is a Python software package providing implementations of the weighted prediction error (WPE) dereverberation algorithm. WPE has been shown to be a highly effective tool for speech dereverberation, thus improving the perceptual quality of the signal and improving the recognition performance of downstream automatic speech recognition (ASR). It is suitable both for single-channel and multi-channel applications. The package consist of (1) a Numpy implementation which can easily be integrated into a custom Python toolchain, and (2) a TensorFlow implementation which allows integration into larger computational graphs and enables backpropagation through WPE to train more advanced front-ends. This package comprises of an iterative offline (batch) version, a block-online version, and a frame-online version which can be used in moderately low latency applications, e.g. digital speech assistants."}],"type":"conference","publication":"ITG 2018, Oldenburg, Germany"},{"_id":"1188","project":[{"name":"SFB 901","_id":"1"},{"_id":"2","name":"SFB 901 - Project Area A"},{"name":"SFB 901 - Subproject A3","_id":"7"}],"department":[{"_id":"63"},{"_id":"541"}],"user_id":"14052","type":"bachelorsthesis","status":"public","publisher":"Universität Paderborn","date_updated":"2022-01-06T06:51:11Z","author":[{"first_name":"Jérôme","full_name":"Kempf, Jérôme","last_name":"Kempf"}],"supervisor":[{"full_name":"Skopalik, Alexander","id":"40384","last_name":"Skopalik","first_name":"Alexander"}],"date_created":"2018-03-02T13:51:14Z","title":"Learning deterministic bandit behaviour form compositions","year":"2018","citation":{"apa":"Kempf, J. (2018). <i>Learning deterministic bandit behaviour form compositions</i>. Universität Paderborn.","bibtex":"@book{Kempf_2018, title={Learning deterministic bandit behaviour form compositions}, publisher={Universität Paderborn}, author={Kempf, Jérôme}, year={2018} }","short":"J. Kempf, Learning Deterministic Bandit Behaviour Form Compositions, Universität Paderborn, 2018.","mla":"Kempf, Jérôme. <i>Learning Deterministic Bandit Behaviour Form Compositions</i>. Universität Paderborn, 2018.","ieee":"J. Kempf, <i>Learning deterministic bandit behaviour form compositions</i>. Universität Paderborn, 2018.","chicago":"Kempf, Jérôme. <i>Learning Deterministic Bandit Behaviour Form Compositions</i>. Universität Paderborn, 2018.","ama":"Kempf J. <i>Learning Deterministic Bandit Behaviour Form Compositions</i>. Universität Paderborn; 2018."}},{"title":"Machine learning techniques for semantic analysis of dysarthric speech: An experimental study","main_file_link":[{"url":"https://groups.uni-paderborn.de/nt/pubs/2018/SpeechCommunication_2018_Walter_Paper.pdf","open_access":"1"}],"oa":"1","date_updated":"2022-01-06T06:51:12Z","date_created":"2019-07-12T05:30:44Z","author":[{"first_name":"Vladimir","last_name":"Despotovic","full_name":"Despotovic, Vladimir"},{"last_name":"Walter","full_name":"Walter, Oliver","first_name":"Oliver"},{"full_name":"Haeb-Umbach, Reinhold","id":"242","last_name":"Haeb-Umbach","first_name":"Reinhold"}],"year":"2018","citation":{"bibtex":"@article{Despotovic_Walter_Haeb-Umbach_2018, title={Machine learning techniques for semantic analysis of dysarthric speech: An experimental study}, journal={Speech Communication 99 (2018) 242-251 (Elsevier B.V.)}, author={Despotovic, Vladimir and Walter, Oliver and Haeb-Umbach, Reinhold}, year={2018} }","mla":"Despotovic, Vladimir, et al. “Machine Learning Techniques for Semantic Analysis of Dysarthric Speech: An Experimental Study.” <i>Speech Communication 99 (2018) 242-251 (Elsevier B.V.)</i>, 2018.","short":"V. Despotovic, O. Walter, R. Haeb-Umbach, Speech Communication 99 (2018) 242-251 (Elsevier B.V.) (2018).","apa":"Despotovic, V., Walter, O., &#38; Haeb-Umbach, R. (2018). Machine learning techniques for semantic analysis of dysarthric speech: An experimental study. <i>Speech Communication 99 (2018) 242-251 (Elsevier B.V.)</i>.","ama":"Despotovic V, Walter O, Haeb-Umbach R. Machine learning techniques for semantic analysis of dysarthric speech: An experimental study. <i>Speech Communication 99 (2018) 242-251 (Elsevier BV)</i>. 2018.","ieee":"V. Despotovic, O. Walter, and R. Haeb-Umbach, “Machine learning techniques for semantic analysis of dysarthric speech: An experimental study,” <i>Speech Communication 99 (2018) 242-251 (Elsevier B.V.)</i>, 2018.","chicago":"Despotovic, Vladimir, Oliver Walter, and Reinhold Haeb-Umbach. “Machine Learning Techniques for Semantic Analysis of Dysarthric Speech: An Experimental Study.” <i>Speech Communication 99 (2018) 242-251 (Elsevier B.V.)</i>, 2018."},"language":[{"iso":"eng"}],"_id":"11916","user_id":"44006","department":[{"_id":"54"}],"abstract":[{"text":"We present an experimental comparison of seven state-of-the-art machine learning algorithms for the task of semantic analysis of spoken input, with a special emphasis on applications for dysarthric speech. Dysarthria is a motor speech disorder, which is characterized by poor articulation of phonemes. In order to cater for these noncanonical phoneme realizations, we employed an unsupervised learning approach to estimate the acoustic models for speech recognition, which does not require a literal transcription of the training data. Even for the subsequent task of semantic analysis, only weak supervision is employed, whereby the training utterance is accompanied by a semantic label only, rather than a literal transcription. Results on two databases, one of them containing dysarthric speech, are presented showing that Markov logic networks and conditional random fields substantially outperform other machine learning approaches. Markov logic networks have proved to be especially robust to recognition errors, which are caused by imprecise articulation in dysarthric speech.","lang":"eng"}],"status":"public","type":"journal_article","publication":"Speech Communication 99 (2018) 242-251 (Elsevier B.V.)"}]