[{"year":"2010","citation":{"apa":"Schryen, G., &#38; Bodenstein, C. (2010). A decision-theoretic foundation of IS business value research. In <i>Proceedings of the 18th European Conference on Information Systems (ECIS 2010)</i>.","mla":"Schryen, Guido, and Christian Bodenstein. “A Decision-Theoretic Foundation of IS Business Value Research.” <i>Proceedings of the 18th European Conference on Information Systems (ECIS 2010)</i>, 2010.","short":"G. Schryen, C. Bodenstein, in: Proceedings of the 18th European Conference on Information Systems (ECIS 2010), 2010.","bibtex":"@inproceedings{Schryen_Bodenstein_2010, title={A decision-theoretic foundation of IS business value research}, booktitle={Proceedings of the 18th European Conference on Information Systems (ECIS 2010)}, author={Schryen, Guido and Bodenstein, Christian}, year={2010} }","ieee":"G. Schryen and C. Bodenstein, “A decision-theoretic foundation of IS business value research,” in <i>Proceedings of the 18th European Conference on Information Systems (ECIS 2010)</i>, 2010.","chicago":"Schryen, Guido, and Christian Bodenstein. “A Decision-Theoretic Foundation of IS Business Value Research.” In <i>Proceedings of the 18th European Conference on Information Systems (ECIS 2010)</i>, 2010.","ama":"Schryen G, Bodenstein C. A decision-theoretic foundation of IS business value research. In: <i>Proceedings of the 18th European Conference on Information Systems (ECIS 2010)</i>. ; 2010."},"has_accepted_license":"1","title":"A decision-theoretic foundation of IS business value research","oa":"1","date_updated":"2022-01-06T07:02:14Z","date_created":"2018-11-14T14:24:25Z","author":[{"last_name":"Schryen","full_name":"Schryen, Guido","id":"72850","first_name":"Guido"},{"last_name":"Bodenstein","full_name":"Bodenstein, Christian","first_name":"Christian"}],"abstract":[{"lang":"eng","text":"Enduring doubts about the value of IS investments reveal that IS researchers have not fully managed to identify and to explain the economic benefits of IS. Three research tasks are essential requisites on the path towards addressing this criticism: the synthesis of knowledge, the identification of lack of knowledge, and the proposition of paths for closing knowledge gaps. This paper considers each of these tasks by a) synthesizing key research findings based on a comprehensive literature review, b) identifying and unfolding key limitations of current research, and c) applying a decision-theoretic perspective, which opens new horizons to IS business value research and shows paths for overcoming the limitations. The adoption of this perspective results in a decision-theoretic foundation of IS business value research and includes the proposition of a consistent terminology and a research model that frames further research."}],"file":[{"relation":"main_file","content_type":"application/pdf","file_size":174368,"file_name":"IS business value - ECIS - Final Version.pdf","access_level":"open_access","file_id":"6193","date_updated":"2018-12-13T15:20:37Z","date_created":"2018-12-11T15:24:22Z","creator":"hsiemes"}],"status":"public","type":"conference","publication":"Proceedings of the 18th European Conference on Information Systems (ECIS 2010)","ddc":["000"],"keyword":["Decision theory","IT value","IS assessment","IS evaluation"],"language":[{"iso":"eng"}],"file_date_updated":"2018-12-13T15:20:37Z","extern":"1","_id":"5632","user_id":"61579","department":[{"_id":"277"}]},{"publication":"Sicherheit 2010 : Sicherheit, Schutz und Zuverl{\\\"a}ssigkeit ; Konferenzband der 5. Jahrestagung des Fachbereichs Sicherheit der Gesellschaft f{\\\"u}r Informatik e.V. (GI), 5. - 7. Oktober 2010 in Berlin","file":[{"content_type":"application/pdf","relation":"main_file","date_created":"2018-12-11T15:22:12Z","creator":"hsiemes","date_updated":"2018-12-13T15:20:03Z","file_id":"6190","file_name":"security_fuzzy_LNI Version.pdf","access_level":"open_access","file_size":372660}],"abstract":[{"text":"This paper presents a fuzzy set based decision support model for taking uncertainty into account when making security investment decisions for distributed systems. The proposed model is complementary to robabilistic approaches and useful in situations where probabilistic information is either unavailable or not appropriate to reliably predict future conditions. We ?rst present the speci?cation of a formal security language that allows to specify under which conditions a distributed system is protected against security violations. We show that each term of the security language can be transformed into an equivalent propositional logic term. Then we use propositional logic terms to de?ne a fuzzy set based decision model. This optimization model incorporates uncertainty with regard to the impact of investments on the achieved security levels of components of the distributed system. The model also accounts for budget and security constraints, in order to be applicable in practice.","lang":"eng"}],"language":[{"iso":"eng"}],"ddc":["000"],"year":"2010","date_created":"2018-11-14T14:35:59Z","publisher":"Gesellschaft für Informatik","title":"A Fuzzy Model for IT Security Investments","type":"conference","status":"public","editor":[{"last_name":"C. Freiling","full_name":"C. Freiling, Felix","first_name":"Felix"}],"department":[{"_id":"277"}],"series_title":"GI-Edition: lecture notes in informatics. Proceedings","user_id":"61579","_id":"5642","file_date_updated":"2018-12-13T15:20:03Z","extern":"1","has_accepted_license":"1","page":"289-304","intvolume":"       170","citation":{"bibtex":"@inproceedings{Schryen_2010, place={Bonn}, series={GI-Edition: lecture notes in informatics. Proceedings}, title={A Fuzzy Model for IT Security Investments}, volume={170}, booktitle={Sicherheit 2010 : Sicherheit, Schutz und Zuverl{\\\"a}ssigkeit ; Konferenzband der 5. Jahrestagung des Fachbereichs Sicherheit der Gesellschaft f{\\\"u}r Informatik e.V. (GI), 5. - 7. Oktober 2010 in Berlin}, publisher={Gesellschaft für Informatik}, author={Schryen, Guido}, editor={C. Freiling, FelixEditor}, year={2010}, pages={289–304}, collection={GI-Edition: lecture notes in informatics. Proceedings} }","short":"G. Schryen, in: F. C. Freiling (Ed.), Sicherheit 2010 : Sicherheit, Schutz Und Zuverl{\\\"a}ssigkeit ; Konferenzband Der 5. Jahrestagung Des Fachbereichs Sicherheit Der Gesellschaft F{\\\"u}r Informatik e.V. (GI), 5. - 7. Oktober 2010 in Berlin, Gesellschaft für Informatik, Bonn, 2010, pp. 289–304.","mla":"Schryen, Guido. “A Fuzzy Model for IT Security Investments.” <i>Sicherheit 2010 : Sicherheit, Schutz Und Zuverl{\\\"a}ssigkeit ; Konferenzband Der 5. Jahrestagung Des Fachbereichs Sicherheit Der Gesellschaft F{\\\"u}r Informatik e.V. (GI), 5. - 7. Oktober 2010 in Berlin</i>, edited by Felix C. Freiling, vol. 170, Gesellschaft für Informatik, 2010, pp. 289–304.","apa":"Schryen, G. (2010). A Fuzzy Model for IT Security Investments. In F. C. Freiling (Ed.), <i>Sicherheit 2010 : Sicherheit, Schutz und Zuverl{\\\"a}ssigkeit ; Konferenzband der 5. Jahrestagung des Fachbereichs Sicherheit der Gesellschaft f{\\\"u}r Informatik e.V. (GI), 5. - 7. Oktober 2010 in Berlin</i> (Vol. 170, pp. 289–304). Bonn: Gesellschaft für Informatik.","ama":"Schryen G. A Fuzzy Model for IT Security Investments. In: C. Freiling F, ed. <i>Sicherheit 2010 : Sicherheit, Schutz Und Zuverl{\\\"a}ssigkeit ; Konferenzband Der 5. Jahrestagung Des Fachbereichs Sicherheit Der Gesellschaft F{\\\"u}r Informatik e.V. (GI), 5. - 7. Oktober 2010 in Berlin</i>. Vol 170. GI-Edition: lecture notes in informatics. Proceedings. Bonn: Gesellschaft für Informatik; 2010:289-304.","ieee":"G. Schryen, “A Fuzzy Model for IT Security Investments,” in <i>Sicherheit 2010 : Sicherheit, Schutz und Zuverl{\\\"a}ssigkeit ; Konferenzband der 5. Jahrestagung des Fachbereichs Sicherheit der Gesellschaft f{\\\"u}r Informatik e.V. (GI), 5. - 7. Oktober 2010 in Berlin</i>, 2010, vol. 170, pp. 289–304.","chicago":"Schryen, Guido. “A Fuzzy Model for IT Security Investments.” In <i>Sicherheit 2010 : Sicherheit, Schutz Und Zuverl{\\\"a}ssigkeit ; Konferenzband Der 5. Jahrestagung Des Fachbereichs Sicherheit Der Gesellschaft F{\\\"u}r Informatik e.V. (GI), 5. - 7. Oktober 2010 in Berlin</i>, edited by Felix C. Freiling, 170:289–304. GI-Edition: Lecture Notes in Informatics. Proceedings. Bonn: Gesellschaft für Informatik, 2010."},"place":"Bonn","volume":170,"author":[{"full_name":"Schryen, Guido","id":"72850","last_name":"Schryen","first_name":"Guido"}],"oa":"1","date_updated":"2022-01-06T07:02:18Z"},{"_id":"5643","department":[{"_id":"277"}],"user_id":"61579","keyword":["Literature review","Business value","Information systems","Methodology","Theory"],"ddc":["000"],"extern":"1","file_date_updated":"2018-12-13T15:17:00Z","language":[{"iso":"eng"}],"publication":"Proceedings of the First Scandinavian Conference on Information Systems (SCIS)","type":"conference","abstract":[{"text":"Enduring doubts about the value of IS investments reveal that IS researchers have not fully managed to identify and to explain the economic benefits of IS. This paper assumes that literature reviews, which represent a powerful instrument for the identification and synthesis of knowledge, have not tapped their full potential to address this issue due to deficiencies in methodology. The analysis of 18 literature reviews published in pertinent academic outlets during the past 20 years shows such deficiencies. Two of the most critical weaknesses identified are (1) the lack of theory use in most reviews and (2) a weak linkage of reviews, resulting in little progress in theory and framework development. The systematic identification of these weaknesses and the extraction of promising methodological examples from past literature are the main contributions of this work, which supports the composition of more effective literature reviews in future research.","lang":"eng"}],"status":"public","file":[{"content_type":"application/pdf","relation":"main_file","creator":"hsiemes","date_created":"2018-12-11T15:14:51Z","date_updated":"2018-12-13T15:17:00Z","file_id":"6186","file_name":"2010_Book_ScandinavianInformationSystems - Schryen.pdf","access_level":"open_access","file_size":302340}],"oa":"1","date_updated":"2022-01-06T07:02:18Z","date_created":"2018-11-14T14:36:26Z","author":[{"first_name":"Guido","last_name":"Schryen","full_name":"Schryen, Guido","id":"72850"}],"title":"An Analysis of Literature Reviews on IS Business Value: How Deficiencies in Methodology and Theory Use Resulted in Limited Effectiveness","has_accepted_license":"1","year":"2010","citation":{"apa":"Schryen, G. (2010). An Analysis of Literature Reviews on IS Business Value: How Deficiencies in Methodology and Theory Use Resulted in Limited Effectiveness. In <i>Proceedings of the First Scandinavian Conference on Information Systems (SCIS)</i>.","bibtex":"@inproceedings{Schryen_2010, title={An Analysis of Literature Reviews on IS Business Value: How Deficiencies in Methodology and Theory Use Resulted in Limited Effectiveness}, booktitle={Proceedings of the First Scandinavian Conference on Information Systems (SCIS)}, author={Schryen, Guido}, year={2010} }","short":"G. Schryen, in: Proceedings of the First Scandinavian Conference on Information Systems (SCIS), 2010.","mla":"Schryen, Guido. “An Analysis of Literature Reviews on IS Business Value: How Deficiencies in Methodology and Theory Use Resulted in Limited Effectiveness.” <i>Proceedings of the First Scandinavian Conference on Information Systems (SCIS)</i>, 2010.","ieee":"G. Schryen, “An Analysis of Literature Reviews on IS Business Value: How Deficiencies in Methodology and Theory Use Resulted in Limited Effectiveness,” in <i>Proceedings of the First Scandinavian Conference on Information Systems (SCIS)</i>, 2010.","chicago":"Schryen, Guido. “An Analysis of Literature Reviews on IS Business Value: How Deficiencies in Methodology and Theory Use Resulted in Limited Effectiveness.” In <i>Proceedings of the First Scandinavian Conference on Information Systems (SCIS)</i>, 2010.","ama":"Schryen G. An Analysis of Literature Reviews on IS Business Value: How Deficiencies in Methodology and Theory Use Resulted in Limited Effectiveness. In: <i>Proceedings of the First Scandinavian Conference on Information Systems (SCIS)</i>. ; 2010."}},{"publication":"Business \\& Information Systems Engineering (BISE)","abstract":[{"lang":"eng","text":"The economic relevance of information systems has been studied for many years and has attracted an abundance of research papers. However, the ?productivity paradoxon? of the 90s, Carr?s widely recognized paper ?IT doesn?t matter?, and several studies that do not find a positive correlation between IS investments and economic performance reveal long-lasting difficulties for IS researchers to explain ?IS business value?. Business executives and researchers also continue to question the value of IS investments. This raises the question of whether literature reviews have tapped their potential to address the concerns by covering key research areas of IS business value and preserving their key findings. In order to address this question, this paper identifies and describes 12 key research areas, and synthesizes what literature reviews published in pertinent academic outlets have done to preserve knowledge. The analysis of 22 literature reviews shows that some crucial areas have not been (sufficiently) covered. They provide fertile areas for future literature reviews. As this work is based on the results of more than 200 research papers, it is capable of drawing a comprehensive picture of the current state-of-the-art in IS business value research."}],"file":[{"creator":"hsiemes","date_created":"2018-12-11T15:19:37Z","date_updated":"2018-12-13T15:17:12Z","access_level":"open_access","file_name":"BISE-PreservingknowledgeonISbusinessvalue-Manuscript-1.pdf","file_id":"6187","file_size":525443,"content_type":"application/pdf","relation":"main_file"}],"keyword":["Business value","Information systems","Literature review","Meta review"],"ddc":["000"],"language":[{"iso":"eng"}],"issue":"4","year":"2010","publisher":"Springer","date_created":"2018-11-14T14:38:02Z","title":"Preserving knowledge on IS business value: what literature reviews have done","type":"journal_article","status":"public","_id":"5644","department":[{"_id":"277"}],"user_id":"61579","extern":"1","file_date_updated":"2018-12-13T15:17:12Z","has_accepted_license":"1","intvolume":"        52","page":"225-237","citation":{"apa":"Schryen, G. (2010). Preserving knowledge on IS business value: what literature reviews have done. <i>Business \\&#38; Information Systems Engineering (BISE)</i>, <i>52</i>(4), 225–237.","short":"G. Schryen, Business \\&#38; Information Systems Engineering (BISE) 52 (2010) 225–237.","mla":"Schryen, Guido. “Preserving Knowledge on IS Business Value: What Literature Reviews Have Done.” <i>Business \\&#38; Information Systems Engineering (BISE)</i>, vol. 52, no. 4, Springer, 2010, pp. 225–37.","bibtex":"@article{Schryen_2010, title={Preserving knowledge on IS business value: what literature reviews have done}, volume={52}, number={4}, journal={Business \\&#38; Information Systems Engineering (BISE)}, publisher={Springer}, author={Schryen, Guido}, year={2010}, pages={225–237} }","ama":"Schryen G. Preserving knowledge on IS business value: what literature reviews have done. <i>Business \\&#38; Information Systems Engineering (BISE)</i>. 2010;52(4):225-237.","ieee":"G. Schryen, “Preserving knowledge on IS business value: what literature reviews have done,” <i>Business \\&#38; Information Systems Engineering (BISE)</i>, vol. 52, no. 4, pp. 225–237, 2010.","chicago":"Schryen, Guido. “Preserving Knowledge on IS Business Value: What Literature Reviews Have Done.” <i>Business \\&#38; Information Systems Engineering (BISE)</i> 52, no. 4 (2010): 225–37."},"oa":"1","date_updated":"2022-01-06T07:02:19Z","volume":52,"author":[{"first_name":"Guido","id":"72850","full_name":"Schryen, Guido","last_name":"Schryen"}]},{"intvolume":"        52","page":"225-237","citation":{"ama":"Schryen G. Ökonomischer Wert von Informationssystemen - Beitrag von Literatur-Reviews zum Wissenserhalt ( = Preserving Knowledge on IS Business Value. What Literature Reviews Have Done). <i>Wirtschaftsinformatik</i>. 2010;52(4):225-237.","ieee":"G. Schryen, “Ökonomischer Wert von Informationssystemen - Beitrag von Literatur-Reviews zum Wissenserhalt ( = Preserving Knowledge on IS Business Value. What Literature Reviews Have Done),” <i>Wirtschaftsinformatik</i>, vol. 52, no. 4, pp. 225–237, 2010.","chicago":"Schryen, Guido. “Ökonomischer Wert von Informationssystemen - Beitrag von Literatur-Reviews Zum Wissenserhalt ( = Preserving Knowledge on IS Business Value. What Literature Reviews Have Done).” <i>Wirtschaftsinformatik</i> 52, no. 4 (2010): 225–37.","apa":"Schryen, G. (2010). Ökonomischer Wert von Informationssystemen - Beitrag von Literatur-Reviews zum Wissenserhalt ( = Preserving Knowledge on IS Business Value. What Literature Reviews Have Done). <i>Wirtschaftsinformatik</i>, <i>52</i>(4), 225–237.","mla":"Schryen, Guido. “Ökonomischer Wert von Informationssystemen - Beitrag von Literatur-Reviews Zum Wissenserhalt ( = Preserving Knowledge on IS Business Value. What Literature Reviews Have Done).” <i>Wirtschaftsinformatik</i>, vol. 52, no. 4, Gabler; Springer, 2010, pp. 225–37.","bibtex":"@article{Schryen_2010, title={Ökonomischer Wert von Informationssystemen - Beitrag von Literatur-Reviews zum Wissenserhalt ( = Preserving Knowledge on IS Business Value. What Literature Reviews Have Done)}, volume={52}, number={4}, journal={Wirtschaftsinformatik}, publisher={Gabler; Springer}, author={Schryen, Guido}, year={2010}, pages={225–237} }","short":"G. Schryen, Wirtschaftsinformatik 52 (2010) 225–237."},"has_accepted_license":"1","volume":52,"author":[{"full_name":"Schryen, Guido","id":"72850","last_name":"Schryen","first_name":"Guido"}],"date_updated":"2022-01-06T07:02:19Z","oa":"1","status":"public","type":"journal_article","extern":"1","file_date_updated":"2018-12-13T15:19:50Z","department":[{"_id":"277"}],"user_id":"61579","_id":"5645","year":"2010","issue":"4","title":"Ökonomischer Wert von Informationssystemen - Beitrag von Literatur-Reviews zum Wissenserhalt ( = Preserving Knowledge on IS Business Value. What Literature Reviews Have Done)","date_created":"2018-11-14T14:38:45Z","publisher":"Gabler; Springer","file":[{"access_level":"open_access","file_name":"Schryen2010_Article_ÖkonomischerWertVonInformation.pdf","file_id":"6189","file_size":850718,"date_created":"2018-12-11T15:21:36Z","creator":"hsiemes","date_updated":"2018-12-13T15:19:50Z","relation":"main_file","content_type":"application/pdf"}],"abstract":[{"lang":"eng","text":"The economic relevance of information systems has been studied for many years and has attracted an abundance of research papers. However, the ?productivity paradoxon? of the 1990s, Carr?s widely recognized paper ?IT doesn?t matter?, and several studies that do not find a positive correlation between IS investments and economic performance reveal long-lasting difficulties for IS researchers to explain ?IS business value?. Business executives and researchers also continue to question the value of IS investments. This raises the question of whether literature reviews have tapped their potential to address the concerns by covering key research areas of IS business value and preserving their key findings. In order to address this question, this paper identifies and describes 12 key research areas, and synthesizes what literature reviews published in pertinent academic outlets have done to preserve knowledge. The analysis of 22 literature reviews shows that some crucial areas have not been (sufficiently) covered. They provide fertile areas for future literature reviews. As this work is based on the results of more than 200 research papers, it is capable of drawing a comprehensive picture of the current state-of-the-art in IS business value research."}],"publication":"Wirtschaftsinformatik","language":[{"iso":"eng"}],"ddc":["000"]},{"year":"2010","citation":{"mla":"Bevermeier, Maik, et al. “Barometric Height Estimation Combined with Map-Matching in a Loosely-Coupled Kalman-Filter.” <i>7th Workshop on Positioning Navigation and Communication (WPNC 2010)</i>, 2010, pp. 128–34, doi:<a href=\"https://doi.org/10.1109/WPNC.2010.5650745\">10.1109/WPNC.2010.5650745</a>.","short":"M. Bevermeier, O. Walter, S. Peschke, R. Haeb-Umbach, in: 7th Workshop on Positioning Navigation and Communication (WPNC 2010), 2010, pp. 128–134.","bibtex":"@inproceedings{Bevermeier_Walter_Peschke_Haeb-Umbach_2010, title={Barometric height estimation combined with map-matching in a loosely-coupled Kalman-filter}, DOI={<a href=\"https://doi.org/10.1109/WPNC.2010.5650745\">10.1109/WPNC.2010.5650745</a>}, booktitle={7th Workshop on Positioning Navigation and Communication (WPNC 2010)}, author={Bevermeier, Maik and Walter, Oliver and Peschke, Sven and Haeb-Umbach, Reinhold}, year={2010}, pages={128–134} }","apa":"Bevermeier, M., Walter, O., Peschke, S., &#38; Haeb-Umbach, R. (2010). Barometric height estimation combined with map-matching in a loosely-coupled Kalman-filter. In <i>7th Workshop on Positioning Navigation and Communication (WPNC 2010)</i> (pp. 128–134). <a href=\"https://doi.org/10.1109/WPNC.2010.5650745\">https://doi.org/10.1109/WPNC.2010.5650745</a>","ama":"Bevermeier M, Walter O, Peschke S, Haeb-Umbach R. Barometric height estimation combined with map-matching in a loosely-coupled Kalman-filter. In: <i>7th Workshop on Positioning Navigation and Communication (WPNC 2010)</i>. ; 2010:128-134. doi:<a href=\"https://doi.org/10.1109/WPNC.2010.5650745\">10.1109/WPNC.2010.5650745</a>","ieee":"M. Bevermeier, O. Walter, S. Peschke, and R. Haeb-Umbach, “Barometric height estimation combined with map-matching in a loosely-coupled Kalman-filter,” in <i>7th Workshop on Positioning Navigation and Communication (WPNC 2010)</i>, 2010, pp. 128–134.","chicago":"Bevermeier, Maik, Oliver Walter, Sven Peschke, and Reinhold Haeb-Umbach. “Barometric Height Estimation Combined with Map-Matching in a Loosely-Coupled Kalman-Filter.” In <i>7th Workshop on Positioning Navigation and Communication (WPNC 2010)</i>, 128–34, 2010. <a href=\"https://doi.org/10.1109/WPNC.2010.5650745\">https://doi.org/10.1109/WPNC.2010.5650745</a>."},"page":"128-134","title":"Barometric height estimation combined with map-matching in a loosely-coupled Kalman-filter","main_file_link":[{"url":"https://groups.uni-paderborn.de/nt/pubs/2010/BeWaPeHa10.pdf","open_access":"1"}],"doi":"10.1109/WPNC.2010.5650745","date_updated":"2022-01-06T06:51:07Z","oa":"1","date_created":"2019-07-12T05:27:04Z","author":[{"first_name":"Maik","full_name":"Bevermeier, Maik","last_name":"Bevermeier"},{"first_name":"Oliver","full_name":"Walter, Oliver","last_name":"Walter"},{"first_name":"Sven","full_name":"Peschke, Sven","last_name":"Peschke"},{"last_name":"Haeb-Umbach","id":"242","full_name":"Haeb-Umbach, Reinhold","first_name":"Reinhold"}],"abstract":[{"text":"In this paper we present a robust location estimation algorithm especially focused on the accuracy in vertical position. A loosely-coupled error state space Kalman filter, which fuses sensor data of an Inertial Measurement Unit and the output of a Global Positioning System device, is augmented by height information from an altitude measurement unit. This unit consists of a barometric altimeter whose output is fused with topographic map information by a Kalman filter to provide robust information about the current vertical user position. These data replace the less reliable vertical position information provided the GPS device. It is shown that typical barometric errors like thermal divergences and fluctuations in the pressure due to changing weather conditions can be compensated by the topographic map information and the barometric error Kalman filter. The resulting height information is shown not only to be more reliable than height information provided by GPS. It also turns out that it leads to better attitude and thus better overall localization estimation accuracy due to the coupling of spatial orientations via the Direct Cosine Matrix. Results are presented both for artificially generated and field test data, where the user is moving by car.","lang":"eng"}],"status":"public","type":"conference","publication":"7th Workshop on Positioning Navigation and Communication (WPNC 2010)","keyword":["altitude measurement unit","barometers","barometric altimeter","barometric error Kalman filter","barometric height estimation","direct cosine matrix","global positioning system","Global Positioning System","GPS device","height information","height measurement","inertial measurement unit","Kalman filters","loosely-coupled error state space Kalman filter","loosely-coupled Kalman-filter","map matching","robust information","robust location estimation","sensor fusion","topographic map information","vertical user position"],"language":[{"iso":"eng"}],"_id":"11726","user_id":"44006","department":[{"_id":"54"}]},{"type":"journal_article","status":"public","_id":"11846","department":[{"_id":"54"}],"user_id":"44006","page":"1692-1707","intvolume":"        18","citation":{"apa":"Krueger, A., &#38; Haeb-Umbach, R. (2010). Model-Based Feature Enhancement for Reverberant Speech Recognition. <i>IEEE Transactions on Audio, Speech, and Language Processing</i>, <i>18</i>(7), 1692–1707. <a href=\"https://doi.org/10.1109/TASL.2010.2049684\">https://doi.org/10.1109/TASL.2010.2049684</a>","bibtex":"@article{Krueger_Haeb-Umbach_2010, title={Model-Based Feature Enhancement for Reverberant Speech Recognition}, volume={18}, DOI={<a href=\"https://doi.org/10.1109/TASL.2010.2049684\">10.1109/TASL.2010.2049684</a>}, number={7}, journal={IEEE Transactions on Audio, Speech, and Language Processing}, author={Krueger, Alexander and Haeb-Umbach, Reinhold}, year={2010}, pages={1692–1707} }","short":"A. Krueger, R. Haeb-Umbach, IEEE Transactions on Audio, Speech, and Language Processing 18 (2010) 1692–1707.","mla":"Krueger, Alexander, and Reinhold Haeb-Umbach. “Model-Based Feature Enhancement for Reverberant Speech Recognition.” <i>IEEE Transactions on Audio, Speech, and Language Processing</i>, vol. 18, no. 7, 2010, pp. 1692–707, doi:<a href=\"https://doi.org/10.1109/TASL.2010.2049684\">10.1109/TASL.2010.2049684</a>.","ieee":"A. Krueger and R. Haeb-Umbach, “Model-Based Feature Enhancement for Reverberant Speech Recognition,” <i>IEEE Transactions on Audio, Speech, and Language Processing</i>, vol. 18, no. 7, pp. 1692–1707, 2010.","chicago":"Krueger, Alexander, and Reinhold Haeb-Umbach. “Model-Based Feature Enhancement for Reverberant Speech Recognition.” <i>IEEE Transactions on Audio, Speech, and Language Processing</i> 18, no. 7 (2010): 1692–1707. <a href=\"https://doi.org/10.1109/TASL.2010.2049684\">https://doi.org/10.1109/TASL.2010.2049684</a>.","ama":"Krueger A, Haeb-Umbach R. Model-Based Feature Enhancement for Reverberant Speech Recognition. <i>IEEE Transactions on Audio, Speech, and Language Processing</i>. 2010;18(7):1692-1707. doi:<a href=\"https://doi.org/10.1109/TASL.2010.2049684\">10.1109/TASL.2010.2049684</a>"},"date_updated":"2022-01-06T06:51:11Z","oa":"1","volume":18,"author":[{"first_name":"Alexander","last_name":"Krueger","full_name":"Krueger, Alexander"},{"first_name":"Reinhold","last_name":"Haeb-Umbach","id":"242","full_name":"Haeb-Umbach, Reinhold"}],"doi":"10.1109/TASL.2010.2049684","main_file_link":[{"url":"https://groups.uni-paderborn.de/nt/pubs/2010/KrHa10.pdf","open_access":"1"}],"publication":"IEEE Transactions on Audio, Speech, and Language Processing","abstract":[{"text":"In this paper, we present a new technique for automatic speech recognition (ASR) in reverberant environments. Our approach is aimed at the enhancement of the logarithmic Mel power spectrum, which is computed at an intermediate stage to obtain the widely used Mel frequency cepstral coefficients (MFCCs). Given the reverberant logarithmic Mel power spectral coefficients (LMPSCs), a minimum mean square error estimate of the clean LMPSCs is computed by carrying out Bayesian inference. We employ switching linear dynamical models as an a priori model for the dynamics of the clean LMPSCs. Further, we derive a stochastic observation model which relates the clean to the reverberant LMPSCs through a simplified model of the room impulse response (RIR). This model requires only two parameters, namely RIR energy and reverberation time, which can be estimated from the captured microphone signal. The performance of the proposed enhancement technique is studied on the AURORA5 database and compared to that of constrained maximum-likelihood linear regression (CMLLR). It is shown by experimental results that our approach significantly outperforms CMLLR and that up to 80\\% of the errors caused by the reverberation are recovered. In addition to the fact that the approach is compatible with the standard MFCC feature vectors, it leaves the ASR back-end unchanged. It is of moderate computational complexity and suitable for real time applications.","lang":"eng"}],"keyword":["ASR","AURORA5 database","automatic speech recognition","Bayesian inference","belief networks","CMLLR","computational complexity","constrained maximum likelihood linear regression","least mean squares methods","LMPSC computation","logarithmic Mel power spectrum","maximum likelihood estimation","Mel frequency cepstral coefficients","MFCC feature vectors","microphone signal","minimum mean square error estimation","model-based feature enhancement","regression analysis","reverberant speech recognition","reverberation","RIR energy","room impulse response","speech recognition","stochastic observation model","stochastic processes"],"language":[{"iso":"eng"}],"issue":"7","year":"2010","date_created":"2019-07-12T05:29:23Z","title":"Model-Based Feature Enhancement for Reverberant Speech Recognition"},{"main_file_link":[{"open_access":"1","url":"https://groups.uni-paderborn.de/nt/pubs/2010/LeHa10-1.pdf"}],"title":"Options for Modelling Temporal Statistical Dependencies in an Acoustic Model for ASR","date_created":"2019-07-12T05:29:36Z","author":[{"first_name":"Volker","full_name":"Leutnant, Volker","last_name":"Leutnant"},{"last_name":"Haeb-Umbach","full_name":"Haeb-Umbach, Reinhold","id":"242","first_name":"Reinhold"}],"date_updated":"2022-01-06T06:51:11Z","oa":"1","citation":{"bibtex":"@inproceedings{Leutnant_Haeb-Umbach_2010, title={Options for Modelling Temporal Statistical Dependencies in an Acoustic Model for ASR}, booktitle={36. Deutsche Jahrestagung fuer Akustik (DAGA 2010)}, author={Leutnant, Volker and Haeb-Umbach, Reinhold}, year={2010} }","mla":"Leutnant, Volker, and Reinhold Haeb-Umbach. “Options for Modelling Temporal Statistical Dependencies in an Acoustic Model for ASR.” <i>36. Deutsche Jahrestagung Fuer Akustik (DAGA 2010)</i>, 2010.","short":"V. Leutnant, R. Haeb-Umbach, in: 36. Deutsche Jahrestagung Fuer Akustik (DAGA 2010), 2010.","apa":"Leutnant, V., &#38; Haeb-Umbach, R. (2010). Options for Modelling Temporal Statistical Dependencies in an Acoustic Model for ASR. In <i>36. Deutsche Jahrestagung fuer Akustik (DAGA 2010)</i>.","ama":"Leutnant V, Haeb-Umbach R. Options for Modelling Temporal Statistical Dependencies in an Acoustic Model for ASR. In: <i>36. Deutsche Jahrestagung Fuer Akustik (DAGA 2010)</i>. ; 2010.","chicago":"Leutnant, Volker, and Reinhold Haeb-Umbach. “Options for Modelling Temporal Statistical Dependencies in an Acoustic Model for ASR.” In <i>36. Deutsche Jahrestagung Fuer Akustik (DAGA 2010)</i>, 2010.","ieee":"V. Leutnant and R. Haeb-Umbach, “Options for Modelling Temporal Statistical Dependencies in an Acoustic Model for ASR,” in <i>36. Deutsche Jahrestagung fuer Akustik (DAGA 2010)</i>, 2010."},"year":"2010","language":[{"iso":"eng"}],"user_id":"44006","department":[{"_id":"54"}],"_id":"11857","status":"public","abstract":[{"text":"Traditionally, ASR systems are based on hidden Markov models with Gaussian mixtures modelling the state-conditioned feature distribution. The inherent assumption of conditional independence, stating that a feature's likelihood solely depends on the current HMM state, makes the search computationally tractable, nevertheless has also been identified to be a major reason for the lack of robustness of such systems. Linear dynamic models have been proposed to overcome this weakness by employing a hidden dynamic state process underlying the observed features. Though performance of linear dynamic models on continuous speech/phone recognition tasks has been shown to be superior to that of equivalent static models, this approach still cannot compete with the established acoustic models. In this paper we consider the combination of hidden Markov models based on Gaussian mixture densities (GMM-HMMs) and linear dynamic models (LDMs) as the acoustic model for automatic speech recognition systems. In doing so, the individual strengths of both models, i.e. the modelling of long-term temporal dependencies by the GMM-HMM and the direct modelling of statistical dependencies between consecutive feature vectors by the LDM, are exploited. Phone classification experiments conducted on the TIMIT database indicate the prospective use of this approach for the application to continuous speech recognition.","lang":"eng"}],"type":"conference","publication":"36. Deutsche Jahrestagung fuer Akustik (DAGA 2010)"},{"_id":"11858","user_id":"44006","department":[{"_id":"54"}],"language":[{"iso":"eng"}],"type":"conference","publication":"Interspeech 2010","abstract":[{"text":"Linear dynamic models (LDMs) have been shown to be a viable alternative to hidden Markov models (HMMs) on small-vocabulary recognition tasks, such as phone classification. In this paper we investigate various statistical model combination approaches for a hybrid HMM-LDM recognizer, resulting in a phone classification performance that outperforms the best individual classifier. Further, we report on continuous speech recognition experiments on the AURORA4 corpus, where the model combination is carried out on wordgraph rescoring. While the hybrid system improves the HMM system in the case of monophone HMMs, the performance of the triphone HMM model could not be improved by monophone LDMs, asking for the need to introduce context-dependency also in the LDM model inventory.","lang":"eng"}],"status":"public","date_updated":"2022-01-06T06:51:11Z","oa":"1","date_created":"2019-07-12T05:29:37Z","author":[{"first_name":"Volker","full_name":"Leutnant, Volker","last_name":"Leutnant"},{"last_name":"Haeb-Umbach","full_name":"Haeb-Umbach, Reinhold","id":"242","first_name":"Reinhold"}],"title":"On the Exploitation of Hidden Markov Models and Linear Dynamic Models in a Hybrid Decoder Architecture for Continuous Speech Recognition","main_file_link":[{"open_access":"1","url":"https://groups.uni-paderborn.de/nt/pubs/2010/LeHa10-2.pdf"}],"year":"2010","citation":{"apa":"Leutnant, V., &#38; Haeb-Umbach, R. (2010). On the Exploitation of Hidden Markov Models and Linear Dynamic Models in a Hybrid Decoder Architecture for Continuous Speech Recognition. In <i>Interspeech 2010</i>.","bibtex":"@inproceedings{Leutnant_Haeb-Umbach_2010, title={On the Exploitation of Hidden Markov Models and Linear Dynamic Models in a Hybrid Decoder Architecture for Continuous Speech Recognition}, booktitle={Interspeech 2010}, author={Leutnant, Volker and Haeb-Umbach, Reinhold}, year={2010} }","short":"V. Leutnant, R. Haeb-Umbach, in: Interspeech 2010, 2010.","mla":"Leutnant, Volker, and Reinhold Haeb-Umbach. “On the Exploitation of Hidden Markov Models and Linear Dynamic Models in a Hybrid Decoder Architecture for Continuous Speech Recognition.” <i>Interspeech 2010</i>, 2010.","ama":"Leutnant V, Haeb-Umbach R. On the Exploitation of Hidden Markov Models and Linear Dynamic Models in a Hybrid Decoder Architecture for Continuous Speech Recognition. In: <i>Interspeech 2010</i>. ; 2010.","ieee":"V. Leutnant and R. Haeb-Umbach, “On the Exploitation of Hidden Markov Models and Linear Dynamic Models in a Hybrid Decoder Architecture for Continuous Speech Recognition,” in <i>Interspeech 2010</i>, 2010.","chicago":"Leutnant, Volker, and Reinhold Haeb-Umbach. “On the Exploitation of Hidden Markov Models and Linear Dynamic Models in a Hybrid Decoder Architecture for Continuous Speech Recognition.” In <i>Interspeech 2010</i>, 2010."}},{"oa":"1","date_updated":"2022-01-06T06:51:11Z","author":[{"first_name":"Bhiksha","last_name":"Raj","full_name":"Raj, Bhiksha"},{"full_name":"Wilson, Kevin W.","last_name":"Wilson","first_name":"Kevin W."},{"last_name":"Krueger","full_name":"Krueger, Alexander","first_name":"Alexander"},{"last_name":"Haeb-Umbach","full_name":"Haeb-Umbach, Reinhold","id":"242","first_name":"Reinhold"}],"date_created":"2019-07-12T05:30:10Z","title":"Ungrounded Independent Non-Negative Factor Analysis","main_file_link":[{"url":"https://groups.uni-paderborn.de/nt/pubs/2010/RaWiKrHa10.pdf","open_access":"1"}],"year":"2010","citation":{"bibtex":"@inproceedings{Raj_Wilson_Krueger_Haeb-Umbach_2010, title={Ungrounded Independent Non-Negative Factor Analysis}, booktitle={Interspeech 2010}, author={Raj, Bhiksha and Wilson, Kevin W. and Krueger, Alexander and Haeb-Umbach, Reinhold}, year={2010} }","short":"B. Raj, K.W. Wilson, A. Krueger, R. Haeb-Umbach, in: Interspeech 2010, 2010.","mla":"Raj, Bhiksha, et al. “Ungrounded Independent Non-Negative Factor Analysis.” <i>Interspeech 2010</i>, 2010.","apa":"Raj, B., Wilson, K. W., Krueger, A., &#38; Haeb-Umbach, R. (2010). Ungrounded Independent Non-Negative Factor Analysis. In <i>Interspeech 2010</i>.","chicago":"Raj, Bhiksha, Kevin W. Wilson, Alexander Krueger, and Reinhold Haeb-Umbach. “Ungrounded Independent Non-Negative Factor Analysis.” In <i>Interspeech 2010</i>, 2010.","ieee":"B. Raj, K. W. Wilson, A. Krueger, and R. Haeb-Umbach, “Ungrounded Independent Non-Negative Factor Analysis,” in <i>Interspeech 2010</i>, 2010.","ama":"Raj B, Wilson KW, Krueger A, Haeb-Umbach R. Ungrounded Independent Non-Negative Factor Analysis. In: <i>Interspeech 2010</i>. ; 2010."},"_id":"11887","user_id":"44006","department":[{"_id":"54"}],"language":[{"iso":"eng"}],"type":"conference","publication":"Interspeech 2010","abstract":[{"lang":"eng","text":"We describe an algorithm that performs regularized non-negative matrix factorization (NMF) to find independent components in non-negative data. Previous techniques proposed for this purpose require the data to be grounded, with support that goes down to 0 along each dimension. In our work, this requirement is eliminated. Based on it, we present a technique to find a low-dimensional decomposition of spectrograms by casting it as a problem of discovering independent non-negative components from it. The algorithm itself is implemented as regularized non-negative matrix factorization (NMF). Unlike other ICA algorithms, this algorithm computes the mixing matrix rather than an unmixing matrix. This algorithm provides a better decomposition than standard NMF when the underlying sources are independent. It makes better use of additional observation streams than previous non-negative ICA algorithms."}],"status":"public"},{"language":[{"iso":"eng"}],"department":[{"_id":"54"}],"user_id":"44006","_id":"11912","status":"public","abstract":[{"lang":"eng","text":"In this contribution we provide a unified treatment of blind source separation (BSS) and noise suppression, two tasks which have traditionally been considered different and for which quite different techniques have been developed. Exploiting the sparseness of the sources in the short time frequency domain and using a probabilistic model which accounts for the presence of additive noise and which captures the spatial information of the multi-channel recording, a speech enhancement system is developed which suppresses noise and simultaneously separates speakers in case multiple speakers are active. Source activity estimation and model parameter estimation form the E-step and the M-step of the Expectation Maximization algorithm, respectively. Experimental results obtained on the dataset of the Signal Separation Evaluation Campaign 2010 demonstrate the effectiveness of the proposed system."}],"publication":"International Workshop on Acoustic Echo and Noise Control (IWAENC 2010)","type":"conference","main_file_link":[{"url":"https://groups.uni-paderborn.de/nt/pubs/2010/DaHa10-1.pdf","open_access":"1"}],"title":"An EM Approach to Integrated Multichannel Speech Separation and Noise Suppression","author":[{"first_name":"Dang Hai","full_name":"Tran Vu, Dang Hai","last_name":"Tran Vu"},{"first_name":"Reinhold","id":"242","full_name":"Haeb-Umbach, Reinhold","last_name":"Haeb-Umbach"}],"date_created":"2019-07-12T05:30:39Z","oa":"1","date_updated":"2022-01-06T06:51:12Z","citation":{"apa":"Tran Vu, D. H., &#38; Haeb-Umbach, R. (2010). An EM Approach to Integrated Multichannel Speech Separation and Noise Suppression. In <i>International Workshop on Acoustic Echo and Noise Control (IWAENC 2010)</i>.","short":"D.H. Tran Vu, R. Haeb-Umbach, in: International Workshop on Acoustic Echo and Noise Control (IWAENC 2010), 2010.","bibtex":"@inproceedings{Tran Vu_Haeb-Umbach_2010, title={An EM Approach to Integrated Multichannel Speech Separation and Noise Suppression}, booktitle={International Workshop on Acoustic Echo and Noise Control (IWAENC 2010)}, author={Tran Vu, Dang Hai and Haeb-Umbach, Reinhold}, year={2010} }","mla":"Tran Vu, Dang Hai, and Reinhold Haeb-Umbach. “An EM Approach to Integrated Multichannel Speech Separation and Noise Suppression.” <i>International Workshop on Acoustic Echo and Noise Control (IWAENC 2010)</i>, 2010.","chicago":"Tran Vu, Dang Hai, and Reinhold Haeb-Umbach. “An EM Approach to Integrated Multichannel Speech Separation and Noise Suppression.” In <i>International Workshop on Acoustic Echo and Noise Control (IWAENC 2010)</i>, 2010.","ieee":"D. H. Tran Vu and R. Haeb-Umbach, “An EM Approach to Integrated Multichannel Speech Separation and Noise Suppression,” in <i>International Workshop on Acoustic Echo and Noise Control (IWAENC 2010)</i>, 2010.","ama":"Tran Vu DH, Haeb-Umbach R. An EM Approach to Integrated Multichannel Speech Separation and Noise Suppression. In: <i>International Workshop on Acoustic Echo and Noise Control (IWAENC 2010)</i>. ; 2010."},"year":"2010"},{"date_created":"2019-07-12T05:30:40Z","author":[{"first_name":"Dang Hai","full_name":"Tran Vu, Dang Hai","last_name":"Tran Vu"},{"last_name":"Haeb-Umbach","id":"242","full_name":"Haeb-Umbach, Reinhold","first_name":"Reinhold"}],"oa":"1","date_updated":"2022-01-06T06:51:12Z","main_file_link":[{"open_access":"1","url":"https://groups.uni-paderborn.de/nt/pubs/2010/DaHa10-2.pdf"}],"doi":"10.1109/ICASSP.2010.5495994","title":"Blind speech separation employing directional statistics in an Expectation Maximization framework","citation":{"bibtex":"@inproceedings{Tran Vu_Haeb-Umbach_2010, title={Blind speech separation employing directional statistics in an Expectation Maximization framework}, DOI={<a href=\"https://doi.org/10.1109/ICASSP.2010.5495994\">10.1109/ICASSP.2010.5495994</a>}, booktitle={IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2010)}, author={Tran Vu, Dang Hai and Haeb-Umbach, Reinhold}, year={2010}, pages={241–244} }","short":"D.H. Tran Vu, R. Haeb-Umbach, in: IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2010), 2010, pp. 241–244.","mla":"Tran Vu, Dang Hai, and Reinhold Haeb-Umbach. “Blind Speech Separation Employing Directional Statistics in an Expectation Maximization Framework.” <i>IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2010)</i>, 2010, pp. 241–44, doi:<a href=\"https://doi.org/10.1109/ICASSP.2010.5495994\">10.1109/ICASSP.2010.5495994</a>.","apa":"Tran Vu, D. H., &#38; Haeb-Umbach, R. (2010). Blind speech separation employing directional statistics in an Expectation Maximization framework. In <i>IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2010)</i> (pp. 241–244). <a href=\"https://doi.org/10.1109/ICASSP.2010.5495994\">https://doi.org/10.1109/ICASSP.2010.5495994</a>","ama":"Tran Vu DH, Haeb-Umbach R. Blind speech separation employing directional statistics in an Expectation Maximization framework. In: <i>IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2010)</i>. ; 2010:241-244. doi:<a href=\"https://doi.org/10.1109/ICASSP.2010.5495994\">10.1109/ICASSP.2010.5495994</a>","chicago":"Tran Vu, Dang Hai, and Reinhold Haeb-Umbach. “Blind Speech Separation Employing Directional Statistics in an Expectation Maximization Framework.” In <i>IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2010)</i>, 241–44, 2010. <a href=\"https://doi.org/10.1109/ICASSP.2010.5495994\">https://doi.org/10.1109/ICASSP.2010.5495994</a>.","ieee":"D. H. Tran Vu and R. Haeb-Umbach, “Blind speech separation employing directional statistics in an Expectation Maximization framework,” in <i>IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2010)</i>, 2010, pp. 241–244."},"page":"241-244","year":"2010","user_id":"44006","department":[{"_id":"54"}],"_id":"11913","language":[{"iso":"eng"}],"keyword":["array signal processing","blind source separation","blind speech separation","complex vector space","complex Watson distribution","directional statistics","expectation-maximisation algorithm","expectation maximization algorithm","Fourier transform","Fourier transforms","generalized sidelobe canceller","interference suppression","maximum signal-to-noise ratio beamformer","microphone signal","probabilistic model","spatial aliasing","spatial beamforming configuration","speech enhancement","statistical distributions"],"type":"conference","publication":"IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2010)","status":"public","abstract":[{"text":"In this paper we propose to employ directional statistics in a complex vector space to approach the problem of blind speech separation in the presence of spatially correlated noise. We interpret the values of the short time Fourier transform of the microphone signals to be draws from a mixture of complex Watson distributions, a probabilistic model which naturally accounts for spatial aliasing. The parameters of the density are related to the a priori source probabilities, the power of the sources and the transfer function ratios from sources to sensors. Estimation formulas are derived for these parameters by employing the Expectation Maximization (EM) algorithm. The E-step corresponds to the estimation of the source presence probabilities for each time-frequency bin, while the M-step leads to a maximum signal-to-noise ratio (MaxSNR) beamformer in the presence of uncertainty about the source activity. Experimental results are reported for an implementation in a generalized sidelobe canceller (GSC) like spatial beamforming configuration for 3 speech sources with significant coherent noise in reverberant environments, demonstrating the usefulness of the novel modeling framework.","lang":"eng"}]},{"title":"Towards Cultural-Historical and Dialogical Writing Research – Some Methodological Considerations","main_file_link":[{"url":"https://psyjournals.ru/files/32918/kip_2010_4_Karsten.pdf","open_access":"1"}],"date_updated":"2022-07-18T09:26:58Z","oa":"1","date_created":"2022-06-26T08:39:34Z","author":[{"id":"53917","full_name":"Karsten, Andrea","last_name":"Karsten","first_name":"Andrea"}],"volume":4,"year":"2010","citation":{"ama":"Karsten A. Towards Cultural-Historical and Dialogical Writing Research – Some Methodological Considerations. <i>Cultural-Historical Psychology</i>. 2010;4:91-98.","chicago":"Karsten, Andrea. “Towards Cultural-Historical and Dialogical Writing Research – Some Methodological Considerations.” <i>Cultural-Historical Psychology</i> 4 (2010): 91–98.","ieee":"A. Karsten, “Towards Cultural-Historical and Dialogical Writing Research – Some Methodological Considerations,” <i>Cultural-Historical Psychology</i>, vol. 4, pp. 91–98, 2010.","apa":"Karsten, A. (2010). Towards Cultural-Historical and Dialogical Writing Research – Some Methodological Considerations. <i>Cultural-Historical Psychology</i>, <i>4</i>, 91–98.","bibtex":"@article{Karsten_2010, title={Towards Cultural-Historical and Dialogical Writing Research – Some Methodological Considerations}, volume={4}, journal={Cultural-Historical Psychology}, author={Karsten, Andrea}, year={2010}, pages={91–98} }","short":"A. Karsten, Cultural-Historical Psychology 4 (2010) 91–98.","mla":"Karsten, Andrea. “Towards Cultural-Historical and Dialogical Writing Research – Some Methodological Considerations.” <i>Cultural-Historical Psychology</i>, vol. 4, 2010, pp. 91–98."},"page":"91 - 98","intvolume":"         4","publication_status":"published","keyword":["writing","writing research","dialogue","dialogical perspective","auto-confrontation"],"language":[{"iso":"eng"}],"_id":"32168","user_id":"42165","department":[{"_id":"424"}],"abstract":[{"text":"Based on a cultural-historical and dialogical conceptualization of thinking and speech as formulated in Soviet psychology and linguistics of the 1920s and 1930s, this article seeks to reflect upon a congruent way of investigating writing as a cognitive and communicative activity. What has to be taken into account when developing a methodology for writing research from a cultural-historical and dialogical perspective? Firstly, writing is not separated from other forms of speech activity like interpersonal and intrapersonal speech. Thus, inner dialogue and the addressed character of writing become crucial notions to be methodologically considered. Secondly, contrary to current writing research traditions such as literacy studies and studies of the writing process in cognitive psychology, both individual writing processes and socio-cultural writing practices as well as their relationship must be considered. These reflections lead towards the conclusion that writing is not fully accessible to external observation or to introspection. In consequence, a suggestion of a methodological approach is given, inspired by the activity theoretically informed method of auto-confrontation. The proposed method consists of two phases: a) videotaping of a writing episode and b) co-analysis of the videotaped writing episode in dialogue between writer and researcher. The second phase transfers the writing activity into a new context where understanding it becomes possible. The co-analysis makes involved positions audible: positions of the writer and of the researcher, of real and imagined readers as well as intersubjective and community-related positions. Finally, implications of the proposed research setting are discussed and evaluated with regard to the theoretical grounding. An instance of the methodology to be sketched in this article was developed in the context of the author’s dissertation project in preparation at Ludwig-Maximilians-Universität in Munich, Germany with the working title «Writing processes and writing practices. A conceptualization from a dialogical perspective». The project is funded by scholarships of Universität Bayern e.V. and Ludwig-Maximilians-Universität.","lang":"eng"}],"status":"public","type":"journal_article","publication":"Cultural-Historical Psychology"},{"date_created":"2022-06-26T08:52:44Z","author":[{"first_name":"Andrea","id":"53917","full_name":"Karsten, Andrea","last_name":"Karsten"}],"volume":1,"oa":"1","date_updated":"2022-07-18T09:26:11Z","main_file_link":[{"url":"https://psyjournals.ru/files/34050/Tatigkeitstheorie_2010_n1_Surd-Buchele_Karsten.pdf","open_access":"1"}],"title":"Konzeption von Schreiben","publication_status":"published","citation":{"apa":"Karsten, A. (2010). Konzeption von Schreiben. <i>Tätigkeitstheorie – Journal für tätigkeitstheoretische Forschung in Deutschland (Activity Theory – Journal of Activity-Theoretical Research in Germany) </i>, <i>1</i>, 21–50.","mla":"Karsten, Andrea. “Konzeption von Schreiben.” <i>Tätigkeitstheorie – Journal für tätigkeitstheoretische Forschung in Deutschland (Activity Theory – Journal of Activity-Theoretical Research in Germany) </i>, vol. 1, 2010, pp. 21–50.","bibtex":"@article{Karsten_2010, title={Konzeption von Schreiben}, volume={1}, journal={Tätigkeitstheorie – Journal für tätigkeitstheoretische Forschung in Deutschland (Activity Theory – Journal of Activity-Theoretical Research in Germany) }, author={Karsten, Andrea}, year={2010}, pages={21–50} }","short":"A. Karsten, Tätigkeitstheorie – Journal für tätigkeitstheoretische Forschung in Deutschland (Activity Theory – Journal of Activity-Theoretical Research in Germany)  1 (2010) 21–50.","ieee":"A. Karsten, “Konzeption von Schreiben,” <i>Tätigkeitstheorie – Journal für tätigkeitstheoretische Forschung in Deutschland (Activity Theory – Journal of Activity-Theoretical Research in Germany) </i>, vol. 1, pp. 21–50, 2010.","chicago":"Karsten, Andrea. “Konzeption von Schreiben.” <i>Tätigkeitstheorie – Journal für tätigkeitstheoretische Forschung in Deutschland (Activity Theory – Journal of Activity-Theoretical Research in Germany) </i> 1 (2010): 21–50.","ama":"Karsten A. Konzeption von Schreiben. <i>Tätigkeitstheorie – Journal für tätigkeitstheoretische Forschung in Deutschland (Activity Theory – Journal of Activity-Theoretical Research in Germany) </i>. 2010;1:21-50."},"intvolume":"         1","page":"21 - 50","year":"2010","user_id":"42165","department":[{"_id":"424"}],"_id":"32169","language":[{"iso":"ger"}],"type":"journal_article","publication":"Tätigkeitstheorie – Journal für tätigkeitstheoretische Forschung in Deutschland (Activity Theory – Journal of Activity-Theoretical Research in Germany) ","status":"public","abstract":[{"text":"Ziel dieses Beitrags ist, Vygotskijs Konzeption von Schreiben durch eine genaue Lektüre seiner Texte herauszuarbeiten. Es zeigen sich mit einer entwicklungspsychologischen Herangehensweise zum einen und dem Begriff\r\ndes schriftlichen Sprechens im Kontext von innerem und äußerem Sprechen\r\nzum anderen zwei wesentliche Interessens- und Arbeitsgebiete Vygotskijs\r\nim Hinblick auf Schreiben. Dem folgend arbeitet dieser Beitrag zunächst die\r\nÜberlegungen Vygotskijs zu ontogenetischen Aspekten des Schreibens heraus. Darüber hinaus wird dargestellt, in welcher Beziehung bei Vygotskij\r\n„schriftliches Sprechen“ zu den Konzepten des inneren und des äußeren\r\nSprechens steht. Es ergibt sich ein Bild von Schreiben als gleichermaßen\r\nkognitivem wie kommunikativem Vorgang. Auf diesen Gedanken Vygotskijs\r\nbauen abschließend Überlegungen auf, die Wege für mögliche Weiterentwicklungen von Vygotskijs Konzeption von Schreiben weisen.","lang":"ger"}]},{"author":[{"last_name":"Süßmann","orcid":"0000-0001-5716-0863","full_name":"Süßmann, Johannes","id":"16220","first_name":"Johannes"}],"date_created":"2022-12-28T15:10:13Z","date_updated":"2022-12-28T21:24:35Z","oa":"1","publisher":"Duncker & Humblot","main_file_link":[{"open_access":"1","url":"https://www.deutsche-biographie.de/pnd118748440.html#ndbcontent"}],"title":"[Art.] Sleidanus, Johann","publication_status":"published","publication_identifier":{"isbn":["978-3-428-11205-0","978-3-428-11293-7"]},"citation":{"ieee":"J. Süßmann, “[Art.] Sleidanus, Johann,” in <i>Neue deutsche Biographie, Bd. 24</i>, H. K. bei der B. A. der Wissenschaften, Ed. Berlin: Duncker &#38; Humblot, 2010, p. 499 f.","chicago":"Süßmann, Johannes. “[Art.] Sleidanus, Johann.” In <i>Neue deutsche Biographie, Bd. 24</i>, edited by Historische Kommission bei der Bayerischen Akademie der Wissenschaften, 499 f. Berlin: Duncker &#38; Humblot, 2010.","ama":"Süßmann J. [Art.] Sleidanus, Johann. In: Wissenschaften HK bei der BA der, ed. <i>Neue deutsche Biographie, Bd. 24</i>. Duncker &#38; Humblot; 2010:499 f.","apa":"Süßmann, J. (2010). [Art.] Sleidanus, Johann. In H. K. bei der B. A. der Wissenschaften (Ed.), <i>Neue deutsche Biographie, Bd. 24</i> (p. 499 f). Duncker &#38; Humblot.","short":"J. Süßmann, in: H.K. bei der B.A. der Wissenschaften (Ed.), Neue deutsche Biographie, Bd. 24, Duncker &#38; Humblot, Berlin, 2010, p. 499 f.","bibtex":"@inbook{Süßmann_2010, place={Berlin}, title={[Art.] Sleidanus, Johann}, booktitle={Neue deutsche Biographie, Bd. 24}, publisher={Duncker &#38; Humblot}, author={Süßmann, Johannes}, editor={Wissenschaften, Historische Kommission bei der Bayerischen Akademie der}, year={2010}, pages={499 f} }","mla":"Süßmann, Johannes. “[Art.] Sleidanus, Johann.” <i>Neue deutsche Biographie, Bd. 24</i>, edited by Historische Kommission bei der Bayerischen Akademie der Wissenschaften, Duncker &#38; Humblot, 2010, p. 499 f."},"page":"499 f","place":"Berlin","year":"2010","user_id":"16220","department":[{"_id":"446"}],"_id":"34997","language":[{"iso":"ger"}],"type":"encyclopedia_article","publication":"Neue deutsche Biographie, Bd. 24","status":"public","editor":[{"first_name":"Historische Kommission bei der Bayerischen Akademie der","full_name":"Wissenschaften, Historische Kommission bei der Bayerischen Akademie der","last_name":"Wissenschaften"}]},{"year":"2010","page":"123 - 126","intvolume":"       135","citation":{"apa":"Ansorge, U., Horstmann, G., &#38; Scharlau, I. (2010). Top–down contingent attentional capture during feed-forward visual processing. <i>Acta Psychologica</i>, <i>135</i>(2), 123–126.","ama":"Ansorge U, Horstmann G, Scharlau I. Top–down contingent attentional capture during feed-forward visual processing. <i>Acta Psychologica</i>. 2010;135(2):123-126.","short":"U. Ansorge, G. Horstmann, I. Scharlau, Acta Psychologica 135 (2010) 123–126.","bibtex":"@article{Ansorge_Horstmann_Scharlau_2010, title={Top–down contingent attentional capture during feed-forward visual processing.}, volume={135}, number={2}, journal={Acta Psychologica}, author={Ansorge, Ulrich and Horstmann, Gernot and Scharlau, Ingrid}, year={2010}, pages={123–126} }","mla":"Ansorge, Ulrich, et al. “Top–down Contingent Attentional Capture during Feed-Forward Visual Processing.” <i>Acta Psychologica</i>, vol. 135, no. 2, 2010, pp. 123–26.","ieee":"U. Ansorge, G. Horstmann, and I. Scharlau, “Top–down contingent attentional capture during feed-forward visual processing.,” <i>Acta Psychologica</i>, vol. 135, no. 2, pp. 123–126, 2010.","chicago":"Ansorge, Ulrich, Gernot Horstmann, and Ingrid Scharlau. “Top–down Contingent Attentional Capture during Feed-Forward Visual Processing.” <i>Acta Psychologica</i> 135, no. 2 (2010): 123–26."},"publication_identifier":{"issn":["0001-6918"]},"publication_status":"published","issue":"2","title":"Top–down contingent attentional capture during feed-forward visual processing.","main_file_link":[{"open_access":"1","url":"https://kw.uni-paderborn.de/fileadmin/fakultaet/Institute/psychologie/Kognitive_Psychologie/Publikationen/AHSActa2011.pdf"}],"oa":"1","date_updated":"2022-06-07T00:17:51Z","volume":135,"author":[{"last_name":"Ansorge","full_name":"Ansorge, Ulrich","first_name":"Ulrich"},{"first_name":"Gernot","last_name":"Horstmann","full_name":"Horstmann, Gernot"},{"id":"451","full_name":"Scharlau, Ingrid","orcid":"0000-0003-2364-9489","last_name":"Scharlau","first_name":"Ingrid"}],"date_created":"2018-12-10T07:08:08Z","abstract":[{"text":"Comments on an article by Jan Theeuwes (see record [rid]2010-20897-002[/rid]). Theeuwes summarizes an impressive number of studies demonstrating interference by irrelevant visual singletons in computer experiments with humans. Theeuwes assumes that this salience-driven capture of attention is fast and occurs within 150 ms since singleton onset, during the feed-forward phase of visual processing. In contrast to Theeuwes, we think that top–down contingent capture is the rule and explains initial and fast attention capture effects in the first feed-forward phase of visual processing. During a later phase and under some conditions exogenous capture of attention possibly follows. At the same time, we propose that the evidence presented by Theeuwes fails to support exogenous orienting because it fails to exclude a top–down contingent capture explanation. We present our arguments in two sections. One major source of evidence for top–down controlled attentional capture during the feed-forward","lang":"eng"}],"status":"public","publication":"Acta Psychologica","type":"journal_article","keyword":["visual selection","attention","information","visual field","brain","Attention","Humans","Models","Psychological","Visual Perception","Volition","Brain","Visual Field","Visual Perception","Visual Attention","Information"],"language":[{"iso":"eng"}],"_id":"6090","department":[{"_id":"424"}],"user_id":"42165"},{"citation":{"chicago":"Hilkenmeier, Frederic, and Ingrid Scharlau. “Rapid Allocation of Temporal Attention in the Attentional Blink Paradigm.” <i>European Journal of Cognitive Psychology</i> 22, no. 8 (2010): 1222–34.","ieee":"F. Hilkenmeier and I. Scharlau, “Rapid allocation of temporal attention in the attentional blink paradigm.,” <i>European Journal of Cognitive Psychology</i>, vol. 22, no. 8, pp. 1222–1234, 2010.","ama":"Hilkenmeier F, Scharlau I. Rapid allocation of temporal attention in the attentional blink paradigm. <i>European Journal of Cognitive Psychology</i>. 2010;22(8):1222-1234.","apa":"Hilkenmeier, F., &#38; Scharlau, I. (2010). Rapid allocation of temporal attention in the attentional blink paradigm. <i>European Journal of Cognitive Psychology</i>, <i>22</i>(8), 1222–1234.","short":"F. Hilkenmeier, I. Scharlau, European Journal of Cognitive Psychology 22 (2010) 1222–1234.","mla":"Hilkenmeier, Frederic, and Ingrid Scharlau. “Rapid Allocation of Temporal Attention in the Attentional Blink Paradigm.” <i>European Journal of Cognitive Psychology</i>, vol. 22, no. 8, 2010, pp. 1222–34.","bibtex":"@article{Hilkenmeier_Scharlau_2010, title={Rapid allocation of temporal attention in the attentional blink paradigm.}, volume={22}, number={8}, journal={European Journal of Cognitive Psychology}, author={Hilkenmeier, Frederic and Scharlau, Ingrid}, year={2010}, pages={1222–1234} }"},"intvolume":"        22","page":"1222 - 1234","publication_status":"published","publication_identifier":{"issn":["0954-1446"]},"main_file_link":[{"url":"https://kw.uni-paderborn.de/fileadmin/fakultaet/Institute/psychologie/Kognitive_Psychologie/Publikationen/HilkenmeierScharlau2010.pdf","open_access":"1"}],"author":[{"full_name":"Hilkenmeier, Frederic","last_name":"Hilkenmeier","first_name":"Frederic"},{"id":"451","full_name":"Scharlau, Ingrid","last_name":"Scharlau","orcid":"0000-0003-2364-9489","first_name":"Ingrid"}],"volume":22,"date_updated":"2022-06-07T00:18:16Z","oa":"1","status":"public","type":"journal_article","funded_apc":"1","user_id":"42165","department":[{"_id":"424"}],"_id":"6083","year":"2010","issue":"8","title":"Rapid allocation of temporal attention in the attentional blink paradigm.","date_created":"2018-12-10T07:06:43Z","abstract":[{"lang":"eng","text":"How fast can information of a first target (T1) in a rapid serial visual presentation be used for top-down allocation of attention in time? A valid cue about the temporal position of a second target (T2) was integrated into T1. The data show that 100 ms after T1 onset, T2 was identified better than without cue, raising the conditional T2 performance. T1 apparently triggers a facilitative effect of attention, known from other paradigms such as peripheral cueing. (PsycINFO Database Record (c) 2016 APA, all rights reserved)"}],"publication":"European Journal of Cognitive Psychology","language":[{"iso":"eng"}],"keyword":["temporal attention","attentional blink paradigm","first target information","top-down allocation","rapid serial visual presentation","Stimulus Presentation Methods","Visual Stimulation","Visual Attention"]},{"file":[{"date_updated":"2023-10-05T16:55:11Z","date_created":"2023-10-05T16:21:25Z","creator":"bhenrik","file_size":1192529,"access_level":"open_access","file_name":"2010_Postler_SmartCardBasierteBerechnungEinerGruppensignatur.pdf","file_id":"47706","content_type":"application/pdf","relation":"main_file"}],"status":"public","type":"misc","language":[{"iso":"ger"}],"file_date_updated":"2023-10-05T16:55:11Z","ddc":["000"],"keyword":["Diplomarbeit"],"user_id":"41047","department":[{"_id":"34"},{"_id":"64"}],"_id":"47684","citation":{"ieee":"T. Postler, <i>Smart Card basierte Berechnung einer Gruppensignatur als Teil einer biometrischen Authentisierung</i>. 2010.","chicago":"Postler, Tim. <i>Smart Card basierte Berechnung einer Gruppensignatur als Teil einer biometrischen Authentisierung</i>, 2010.","ama":"Postler T. <i>Smart Card basierte Berechnung einer Gruppensignatur als Teil einer biometrischen Authentisierung</i>.; 2010.","mla":"Postler, Tim. <i>Smart Card basierte Berechnung einer Gruppensignatur als Teil einer biometrischen Authentisierung</i>. 2010.","short":"T. Postler, Smart Card basierte Berechnung einer Gruppensignatur als Teil einer biometrischen Authentisierung, 2010.","bibtex":"@book{Postler_2010, title={Smart Card basierte Berechnung einer Gruppensignatur als Teil einer biometrischen Authentisierung}, author={Postler, Tim}, year={2010} }","apa":"Postler, T. (2010). <i>Smart Card basierte Berechnung einer Gruppensignatur als Teil einer biometrischen Authentisierung</i>."},"year":"2010","has_accepted_license":"1","title":"Smart Card basierte Berechnung einer Gruppensignatur als Teil einer biometrischen Authentisierung","date_created":"2023-10-05T16:23:48Z","author":[{"first_name":"Tim","last_name":"Postler","full_name":"Postler, Tim"}],"date_updated":"2023-10-05T16:55:11Z","oa":"1"},{"publication_date":"2009-10-30","_id":"48823","user_id":"79451","department":[{"_id":"6"},{"_id":"444"}],"extern":"1","language":[{"iso":"ger"}],"type":"review","publication":"H-Soz-Kult","status":"public","publisher":"Clio-online - Historisches Fachinformationssystem e.V.","oa":"1","date_updated":"2023-11-16T18:07:55Z","date_created":"2023-11-14T10:07:20Z","author":[{"first_name":"Olaf","id":"79451","full_name":"Hartung, Olaf","last_name":"Hartung"}],"title":"Barbara Korte / Sylvia Paletschek (Hrsg.): History Goes Pop. 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Clio-online - Historisches Fachinformationssystem e.V., Berlin, 2010.","chicago":"Hartung, Olaf. “Barbara Korte / Sylvia Paletschek (Hrsg.): History Goes Pop. Zur Repräsentation von Geschichte in populären Medien und Genres (= Historische Lebenswelten in populären Wissenskulturen / History in Popular Cultures 1). Bielefeld 2009.” <i>H-Soz-Kult</i>. Berlin: Clio-online - Historisches Fachinformationssystem e.V., 2010.","ama":"Hartung O. Barbara Korte / Sylvia Paletschek (Hrsg.): History Goes Pop. Zur Repräsentation von Geschichte in populären Medien und Genres (= Historische Lebenswelten in populären Wissenskulturen / History in Popular Cultures 1). Bielefeld 2009. <i>H-Soz-Kult</i>. Published online 2010."}},{"main_file_link":[{"open_access":"1","url":"http://hsozkult.geschichte.hu-berlin.de/rezensionen/2010-2-200"}],"title":"O. Auge u. a. (Hgg.): Fürsten an der Zeitenwende zwischen Gruppenbild und Individualität. Formen fürstlicher Selbstdarstellung und ihre Rezeption (1450–1550). Ostfildern 2009","author":[{"first_name":"Tilman","full_name":"Moritz, Tilman","id":"23692","last_name":"Moritz"}],"date_created":"2023-11-17T10:11:45Z","oa":"1","date_updated":"2023-11-17T10:18:45Z","citation":{"chicago":"Moritz, Tilman. “O. Auge u. a. (Hgg.): Fürsten an Der Zeitenwende Zwischen Gruppenbild Und Individualität. Formen Fürstlicher Selbstdarstellung Und Ihre Rezeption (1450–1550). Ostfildern 2009.” <i>H-Soz-Kult</i>, 2010.","ieee":"T. Moritz, “O. Auge u. a. (Hgg.): Fürsten an der Zeitenwende zwischen Gruppenbild und Individualität. Formen fürstlicher Selbstdarstellung und ihre Rezeption (1450–1550). Ostfildern 2009,” <i>H-Soz-Kult</i>. 2010.","ama":"Moritz T. O. Auge u. a. (Hgg.): Fürsten an der Zeitenwende zwischen Gruppenbild und Individualität. Formen fürstlicher Selbstdarstellung und ihre Rezeption (1450–1550). Ostfildern 2009. <i>H-Soz-Kult</i>. Published online 2010.","apa":"Moritz, T. (2010). O. Auge u. a. (Hgg.): Fürsten an der Zeitenwende zwischen Gruppenbild und Individualität. Formen fürstlicher Selbstdarstellung und ihre Rezeption (1450–1550). Ostfildern 2009. In <i>H-Soz-Kult</i>.","mla":"Moritz, Tilman. “O. Auge u. a. (Hgg.): Fürsten an Der Zeitenwende Zwischen Gruppenbild Und Individualität. Formen Fürstlicher Selbstdarstellung Und Ihre Rezeption (1450–1550). Ostfildern 2009.” <i>H-Soz-Kult</i>, 2010.","bibtex":"@article{Moritz_2010, title={O. Auge u. a. (Hgg.): Fürsten an der Zeitenwende zwischen Gruppenbild und Individualität. Formen fürstlicher Selbstdarstellung und ihre Rezeption (1450–1550). Ostfildern 2009}, journal={H-Soz-Kult}, author={Moritz, Tilman}, year={2010} }","short":"T. Moritz, H-Soz-Kult (2010)."},"year":"2010","language":[{"iso":"eng"}],"user_id":"23692","_id":"49023","publication_date":"2010-06-15","status":"public","publication":"H-Soz-Kult","type":"review"}]