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Vodisek, “V:Drive - Costs and Benefits of an Out-of-Band Storage Virtualization System,” in <i>21st {IEEE} Conference on Mass Storage Systems and Technologies / 12th {NASA} Goddard Conference on Mass Storage Systems and Technologies, Greenbelt, Maryland, USA</i>, 2004, pp. 153--157.","ama":"Brinkmann A, Heidebuer M, Meyer auf der Heide F, Rückert U, Salzwedel K, Vodisek M. V:Drive - Costs and Benefits of an Out-of-Band Storage Virtualization System. In: Kobler B, Hariharan PC, eds. <i>21st {IEEE} Conference on Mass Storage Systems and Technologies / 12th {NASA} Goddard Conference on Mass Storage Systems and Technologies, Greenbelt, Maryland, USA</i>. IEEE; 2004:153--157."},"publisher":"IEEE","date_updated":"2022-01-06T06:53:08Z","date_created":"2020-06-26T13:30:51Z","author":[{"last_name":"Brinkmann","full_name":"Brinkmann, André","first_name":"André"},{"last_name":"Heidebuer","full_name":"Heidebuer, Michael","first_name":"Michael"},{"first_name":"Friedhelm","last_name":"Meyer auf der Heide","full_name":"Meyer auf der Heide, Friedhelm","id":"15523"},{"full_name":"Rückert, Ulrich ","last_name":"Rückert","first_name":"Ulrich "},{"first_name":"Kay","last_name":"Salzwedel","full_name":"Salzwedel, Kay"},{"last_name":"Vodisek","full_name":"Vodisek, Mario","first_name":"Mario"}],"title":"V:Drive - Costs and Benefits of an Out-of-Band Storage Virtualization System"},{"publication":"Proceedings of the 20th European Workshop on Computational Geometry (EWCG'04)","type":"conference","status":"public","_id":"18777","department":[{"_id":"63"}],"user_id":"15415","language":[{"iso":"eng"}],"year":"2004","page":"93 - 96","citation":{"short":"C. Sohler, V. Damerow, in: Proceedings of the 20th European Workshop on Computational Geometry (EWCG’04), 2004, pp. 93–96.","mla":"Sohler, Christian, and Valentina Damerow. “Smoothed Number of Extreme Points under Uniform Noise.” <i>Proceedings of the 20th European Workshop on Computational Geometry (EWCG’04)</i>, 2004, pp. 93–96.","bibtex":"@inproceedings{Sohler_Damerow_2004, title={Smoothed Number of Extreme Points under Uniform Noise}, booktitle={Proceedings of the 20th European Workshop on Computational Geometry (EWCG’04)}, author={Sohler, Christian and Damerow, Valentina}, year={2004}, pages={93–96} }","apa":"Sohler, C., &#38; Damerow, V. (2004). Smoothed Number of Extreme Points under Uniform Noise. In <i>Proceedings of the 20th European Workshop on Computational Geometry (EWCG’04)</i> (pp. 93–96).","ama":"Sohler C, Damerow V. Smoothed Number of Extreme Points under Uniform Noise. In: <i>Proceedings of the 20th European Workshop on Computational Geometry (EWCG’04)</i>. ; 2004:93-96.","ieee":"C. Sohler and V. Damerow, “Smoothed Number of Extreme Points under Uniform Noise,” in <i>Proceedings of the 20th European Workshop on Computational Geometry (EWCG’04)</i>, 2004, pp. 93–96.","chicago":"Sohler, Christian, and Valentina Damerow. “Smoothed Number of Extreme Points under Uniform Noise.” In <i>Proceedings of the 20th European Workshop on Computational Geometry (EWCG’04)</i>, 93–96, 2004."},"date_updated":"2022-01-06T06:53:52Z","author":[{"first_name":"Christian","full_name":"Sohler, Christian","last_name":"Sohler"},{"full_name":"Damerow, Valentina","last_name":"Damerow","first_name":"Valentina"}],"date_created":"2020-09-01T12:23:21Z","title":"Smoothed Number of Extreme Points under Uniform Noise"},{"year":"2004","place":"Berlin, Heidelberg","citation":{"ama":"Damerow V, Sohler C. Extreme Points Under Random Noise. In: <i>Proceedings of the 12th European Symposium on Algorithms (ESA’04)</i>. Berlin, Heidelberg; 2004. doi:<a href=\"https://doi.org/10.1007/978-3-540-30140-0_25\">10.1007/978-3-540-30140-0_25</a>","ieee":"V. Damerow and C. Sohler, “Extreme Points Under Random Noise,” in <i>Proceedings of the 12th European Symposium on Algorithms (ESA’04)</i>, 2004.","chicago":"Damerow, Valentina, and Christian Sohler. “Extreme Points Under Random Noise.” In <i>Proceedings of the 12th European Symposium on Algorithms (ESA’04)</i>. Berlin, Heidelberg, 2004. <a href=\"https://doi.org/10.1007/978-3-540-30140-0_25\">https://doi.org/10.1007/978-3-540-30140-0_25</a>.","apa":"Damerow, V., &#38; Sohler, C. (2004). Extreme Points Under Random Noise. In <i>Proceedings of the 12th European Symposium on Algorithms (ESA’04)</i>. Berlin, Heidelberg. <a href=\"https://doi.org/10.1007/978-3-540-30140-0_25\">https://doi.org/10.1007/978-3-540-30140-0_25</a>","short":"V. Damerow, C. Sohler, in: Proceedings of the 12th European Symposium on Algorithms (ESA’04), Berlin, Heidelberg, 2004.","mla":"Damerow, Valentina, and Christian Sohler. “Extreme Points Under Random Noise.” <i>Proceedings of the 12th European Symposium on Algorithms (ESA’04)</i>, 2004, doi:<a href=\"https://doi.org/10.1007/978-3-540-30140-0_25\">10.1007/978-3-540-30140-0_25</a>.","bibtex":"@inproceedings{Damerow_Sohler_2004, place={Berlin, Heidelberg}, title={Extreme Points Under Random Noise}, DOI={<a href=\"https://doi.org/10.1007/978-3-540-30140-0_25\">10.1007/978-3-540-30140-0_25</a>}, booktitle={Proceedings of the 12th European Symposium on Algorithms (ESA’04)}, author={Damerow, Valentina and Sohler, Christian}, year={2004} }"},"publication_identifier":{"isbn":["9783540230250","9783540301400"],"issn":["0302-9743","1611-3349"]},"publication_status":"published","title":"Extreme Points Under Random Noise","doi":"10.1007/978-3-540-30140-0_25","date_updated":"2022-01-06T06:53:52Z","date_created":"2020-09-01T12:26:47Z","author":[{"first_name":"Valentina","last_name":"Damerow","full_name":"Damerow, Valentina"},{"first_name":"Christian","last_name":"Sohler","full_name":"Sohler, Christian"}],"abstract":[{"text":"Given a point set P in the d-dimensional unit hypercube, we give upper bounds on the maximal expected number of extreme points when each point is perturbed by small random noise chosen independently for each point from the same noise distribution &#916;. Our results are parametrized by the variance of the noise distribution. For large variance we essentially consider the average case for distribution &#916; while for variance 0 we consider the worst case. Hence our results give upper bounds on the number of extreme points where our input distributions range from average case to worst case.<br>Our main contribution is a rather general lemma that can be used to obtain upper bounds on the expected number of extreme points for a large class of noise distributions. We then apply this lemma to obtain explicit bounds for random noise coming from the Gaussian normal distribution of variance &#963;² and the uniform distribution in a hypercube of side length &epsilon. For these noise distributions we show upper bounds of O( (1/ &#963; )^d * log^3/2 * d - 1 n ) and O( ( (n log n) / &#949; )^d/(d+1) ), respectively. Besides its theoretical motivation our model is also motivated by the observation that in many applications of convex hull algorithms the input data is inherently noisy, e.g. when the data comes from physical measurement or imprecise arithmetic is used.","lang":"eng"}],"status":"public","publication":"Proceedings of the 12th European Symposium on Algorithms (ESA'04)","type":"conference","language":[{"iso":"eng"}],"_id":"18778","department":[{"_id":"63"}],"user_id":"15415"},{"citation":{"ama":"Sohler C, Krokowski J, Räcke H, Westermann M. Reducing State Changes with a Pipeline Buffer. In: <i>Proceedings of the Vision, Modeling, and Visualization Conference (VMV 2004)</i>. ; 2004.","chicago":"Sohler, Christian, Jens Krokowski, Harald Räcke, and Matthias Westermann. “Reducing State Changes with a Pipeline Buffer.” In <i>Proceedings of the Vision, Modeling, and Visualization Conference (VMV 2004)</i>, 2004.","ieee":"C. Sohler, J. Krokowski, H. Räcke, and M. Westermann, “Reducing State Changes with a Pipeline Buffer,” in <i>Proceedings of the Vision, Modeling, and Visualization Conference (VMV 2004)</i>, 2004.","mla":"Sohler, Christian, et al. “Reducing State Changes with a Pipeline Buffer.” <i>Proceedings of the Vision, Modeling, and Visualization Conference (VMV 2004)</i>, 2004.","bibtex":"@inproceedings{Sohler_Krokowski_Räcke_Westermann_2004, title={Reducing State Changes with a Pipeline Buffer}, booktitle={Proceedings of the Vision, Modeling, and Visualization Conference (VMV 2004)}, author={Sohler, Christian and Krokowski, Jens and Räcke, Harald and Westermann, Matthias}, year={2004} }","short":"C. Sohler, J. Krokowski, H. Räcke, M. Westermann, in: Proceedings of the Vision, Modeling, and Visualization Conference (VMV 2004), 2004.","apa":"Sohler, C., Krokowski, J., Räcke, H., &#38; Westermann, M. (2004). Reducing State Changes with a Pipeline Buffer. 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We propose to include a small buffer between appli- cation and graphics hardware in the rendering sys- tem. This pipeline buffer is used to rearrange the incoming sequence of primitives on-line and locally in such a way that the number of state changes is minimized. This method is generic; it can be easily integrated into existing rendering systems. In our experiments a pipeline buffer reduces the number of state changes by an order of magnitude and achieves almost the same rendering time as an optimal, i.e., presorted, sequence without pipeline buffer. Due to its simple structure and its low mem- ory requirements this method can easily be imple- mented in software or even hardware."}],"user_id":"15415","department":[{"_id":"63"}],"_id":"18785","language":[{"iso":"eng"}]},{"publication":"Automata, Languages and Programming (ICALP)","type":"conference","status":"public","department":[{"_id":"63"}],"user_id":"15415","_id":"18786","language":[{"iso":"eng"}],"issue":"1","page":"396-407","citation":{"apa":"Sohler, C., &#38; Czumaj, A. (2004). Sublinear-Time Approximation for Clustering via Random Sampling. In <i>Automata, Languages and Programming (ICALP)</i> (pp. 396–407).","mla":"Sohler, Christian, and Artur Czumaj. “Sublinear-Time Approximation for Clustering via Random Sampling.” <i>Automata, Languages and Programming (ICALP)</i>, no. 1, 2004, pp. 396–407.","short":"C. Sohler, A. Czumaj, in: Automata, Languages and Programming (ICALP), 2004, pp. 396–407.","bibtex":"@inproceedings{Sohler_Czumaj_2004, title={Sublinear-Time Approximation for Clustering via Random Sampling}, number={1}, booktitle={Automata, Languages and Programming (ICALP)}, author={Sohler, Christian and Czumaj, Artur}, year={2004}, pages={396–407} }","ieee":"C. Sohler and A. Czumaj, “Sublinear-Time Approximation for Clustering via Random Sampling,” in <i>Automata, Languages and Programming (ICALP)</i>, 2004, no. 1, pp. 396–407.","chicago":"Sohler, Christian, and Artur Czumaj. “Sublinear-Time Approximation for Clustering via Random Sampling.” In <i>Automata, Languages and Programming (ICALP)</i>, 396–407, 2004.","ama":"Sohler C, Czumaj A. Sublinear-Time Approximation for Clustering via Random Sampling. In: <i>Automata, Languages and Programming (ICALP)</i>. ; 2004:396-407."},"year":"2004","author":[{"first_name":"Christian","full_name":"Sohler, Christian","last_name":"Sohler"},{"first_name":"Artur","last_name":"Czumaj","full_name":"Czumaj, Artur"}],"date_created":"2020-09-01T13:41:48Z","date_updated":"2022-01-06T06:53:52Z","title":"Sublinear-Time Approximation for Clustering via Random Sampling"},{"publication":"Proceedings of European Wireless 2004, Barcelona / Spain ","type":"conference","status":"public","department":[{"_id":"75"}],"user_id":"15572","_id":"1911","citation":{"ama":"Aguiar A, Karl H, Wolisz A. Channel Adaptive Techniques in the Presence of Channel Prediction Inaccuracy. In: <i>Proceedings of European Wireless 2004, Barcelona / Spain </i>. ; 2004.","chicago":"Aguiar, Ana, Holger Karl, and Adam Wolisz. “Channel Adaptive Techniques in the Presence of Channel Prediction Inaccuracy.” In <i>Proceedings of European Wireless 2004, Barcelona / Spain </i>, 2004.","ieee":"A. Aguiar, H. Karl, and A. Wolisz, “Channel Adaptive Techniques in the Presence of Channel Prediction Inaccuracy,” in <i>Proceedings of European Wireless 2004, Barcelona / Spain </i>, 2004.","apa":"Aguiar, A., Karl, H., &#38; Wolisz, A. (2004). Channel Adaptive Techniques in the Presence of Channel Prediction Inaccuracy. In <i>Proceedings of European Wireless 2004, Barcelona / Spain </i>.","short":"A. Aguiar, H. Karl, A. Wolisz, in: Proceedings of European Wireless 2004, Barcelona / Spain , 2004.","bibtex":"@inproceedings{Aguiar_Karl_Wolisz_2004, title={Channel Adaptive Techniques in the Presence of Channel Prediction Inaccuracy}, booktitle={Proceedings of European Wireless 2004, Barcelona / Spain }, author={Aguiar, Ana and Karl, Holger and Wolisz, Adam}, year={2004} }","mla":"Aguiar, Ana, et al. “Channel Adaptive Techniques in the Presence of Channel Prediction Inaccuracy.” <i>Proceedings of European Wireless 2004, Barcelona / Spain </i>, 2004."},"year":"2004","date_created":"2018-03-28T10:13:22Z","author":[{"full_name":"Aguiar, Ana","last_name":"Aguiar","first_name":"Ana"},{"first_name":"Holger","last_name":"Karl","id":"126","full_name":"Karl, Holger"},{"first_name":"Adam","full_name":"Wolisz, Adam","last_name":"Wolisz"}],"date_updated":"2022-01-06T06:53:58Z","main_file_link":[{"url":"http://research.ac.upc.edu/EW2004/papers/136.pdf"}],"title":"Channel Adaptive Techniques in the Presence of Channel Prediction Inaccuracy"},{"year":"2004","page":"1-5","citation":{"short":"M. Meyer, L. Wendehals, in: Proc. of the Eclipse Technology EXchange Workshop (ETX), Satellite Event of the 19th Conference on Object-Oriented Programming, Systems, Languages, and Applications (OOPSLA), Vancouver, Canada, ACM Press, 2004, pp. 1–5.","bibtex":"@inproceedings{Meyer_Wendehals_2004, title={Teaching Object-Oriented Concepts with Eclipse}, booktitle={Proc. of the Eclipse Technology eXchange Workshop (ETX), Satellite Event of the 19th Conference on Object-Oriented Programming, Systems, Languages, and Applications (OOPSLA), Vancouver, Canada}, publisher={ACM Press}, author={Meyer, Matthias and Wendehals, Lothar}, year={2004}, pages={1–5} }","mla":"Meyer, Matthias, and Lothar Wendehals. “Teaching Object-Oriented Concepts with Eclipse.” <i>Proc. of the Eclipse Technology EXchange Workshop (ETX), Satellite Event of the 19th Conference on Object-Oriented Programming, Systems, Languages, and Applications (OOPSLA), Vancouver, Canada</i>, ACM Press, 2004, pp. 1–5.","apa":"Meyer, M., &#38; Wendehals, L. (2004). Teaching Object-Oriented Concepts with Eclipse. <i>Proc. of the Eclipse Technology EXchange Workshop (ETX), Satellite Event of the 19th Conference on Object-Oriented Programming, Systems, Languages, and Applications (OOPSLA), Vancouver, Canada</i>, 1–5.","ieee":"M. Meyer and L. Wendehals, “Teaching Object-Oriented Concepts with Eclipse,” in <i>Proc. of the Eclipse Technology eXchange Workshop (ETX), Satellite Event of the 19th Conference on Object-Oriented Programming, Systems, Languages, and Applications (OOPSLA), Vancouver, Canada</i>, 2004, pp. 1–5.","chicago":"Meyer, Matthias, and Lothar Wendehals. “Teaching Object-Oriented Concepts with Eclipse.” In <i>Proc. of the Eclipse Technology EXchange Workshop (ETX), Satellite Event of the 19th Conference on Object-Oriented Programming, Systems, Languages, and Applications (OOPSLA), Vancouver, Canada</i>, 1–5. ACM Press, 2004.","ama":"Meyer M, Wendehals L. Teaching Object-Oriented Concepts with Eclipse. In: <i>Proc. of the Eclipse Technology EXchange Workshop (ETX), Satellite Event of the 19th Conference on Object-Oriented Programming, Systems, Languages, and Applications (OOPSLA), Vancouver, Canada</i>. ACM Press; 2004:1-5."},"publisher":"ACM Press","date_updated":"2022-01-06T06:54:41Z","author":[{"id":"683","full_name":"Meyer, Matthias","last_name":"Meyer","first_name":"Matthias"},{"first_name":"Lothar","full_name":"Wendehals, Lothar","last_name":"Wendehals"}],"date_created":"2021-01-13T09:57:57Z","title":"Teaching Object-Oriented Concepts with Eclipse","publication":"Proc. of the Eclipse Technology eXchange Workshop (ETX), Satellite Event of the 19th Conference on Object-Oriented Programming, Systems, Languages, and Applications (OOPSLA), Vancouver, Canada","type":"conference","abstract":[{"text":"Object-oriented software development is a subject area difficult to teach, espcially to beginners. They face a lot of abstraction and (from a beginners point of view) isolated topics, such as the syntax and semantics of a programming language, the functionality of a software development environment and basic object-oriented concepts. Although many professionals in education believe in the ``object first'' approach as the best method of introducing object-oriented concepts, there is no common agreement on how to start such courses. Current study programs often begin by teaching a programming language, instead of focusing on the basics of object-oriented concepts. In the last years a learning environment was developed based on a visual programming language to abstract away from details. It assists teaching step-by-step object-oriented concepts and the syntax and semantics of a programming language in secondary schools and first year university courses. Our goal is to port this learning environment to the widely used IDE Eclipse.","lang":"eng"}],"status":"public","_id":"20931","department":[{"_id":"76"}],"user_id":"5786","language":[{"iso":"eng"}]},{"citation":{"chicago":"Wendehals, Lothar, Matthias Meyer, and Andreas Elsner. “Selective Tracing of Java Programs.” In <i>Proc. of the 2nd International Fujaba Days 2004, Darmstadt, Germany</i>, tr-ri-04-253:7–10. Technical Report. University of Paderborn, 2004.","ieee":"L. Wendehals, M. Meyer, and A. Elsner, “Selective Tracing of Java Programs,” in <i>Proc. of the 2nd International Fujaba Days 2004, Darmstadt, Germany</i>, 2004, vol. tr-ri-04-253, pp. 7–10.","ama":"Wendehals L, Meyer M, Elsner A. Selective Tracing of Java Programs. In: <i>Proc. of the 2nd International Fujaba Days 2004, Darmstadt, Germany</i>. Vol tr-ri-04-253. Technical Report. University of Paderborn; 2004:7-10.","short":"L. Wendehals, M. Meyer, A. Elsner, in: Proc. of the 2nd International Fujaba Days 2004, Darmstadt, Germany, University of Paderborn, 2004, pp. 7–10.","bibtex":"@inproceedings{Wendehals_Meyer_Elsner_2004, series={Technical Report}, title={Selective Tracing of Java Programs}, volume={tr-ri-04-253}, booktitle={Proc. of the 2nd International Fujaba Days 2004, Darmstadt, Germany}, publisher={University of Paderborn}, author={Wendehals, Lothar and Meyer, Matthias and Elsner, Andreas}, year={2004}, pages={7–10}, collection={Technical Report} }","mla":"Wendehals, Lothar, et al. “Selective Tracing of Java Programs.” <i>Proc. of the 2nd International Fujaba Days 2004, Darmstadt, Germany</i>, vol. tr-ri-04-253, University of Paderborn, 2004, pp. 7–10.","apa":"Wendehals, L., Meyer, M., &#38; Elsner, A. (2004). Selective Tracing of Java Programs. <i>Proc. of the 2nd International Fujaba Days 2004, Darmstadt, Germany</i>, <i>tr-ri-04-253</i>, 7–10."},"page":"7-10","year":"2004","author":[{"last_name":"Wendehals","full_name":"Wendehals, Lothar","first_name":"Lothar"},{"first_name":"Matthias","id":"683","full_name":"Meyer, Matthias","last_name":"Meyer"},{"full_name":"Elsner, Andreas","last_name":"Elsner","first_name":"Andreas"}],"date_created":"2021-01-13T09:59:11Z","volume":"tr-ri-04-253","publisher":"University of Paderborn","date_updated":"2022-01-06T06:54:41Z","title":"Selective Tracing of Java Programs","type":"conference","publication":"Proc. of the 2nd International Fujaba Days 2004, Darmstadt, Germany","status":"public","abstract":[{"text":"Design recovery, which means extracting design documents from source code, is usually done by static analysis techniques. Analysing behaviour by static analysis is very imprecise. We combine static and dynamic analysis to increase the preciseness of our design recovery process. In this paper we present an approach to collect data for the dynamic analysis by recording method calls during a program's execution. To reduce the amount of information we monitor only relevant classes and methods identified by static analysis.","lang":"eng"}],"user_id":"5786","series_title":"Technical Report","department":[{"_id":"76"}],"_id":"20932","language":[{"iso":"eng"}]},{"status":"public","type":"journal_article","publication":"Theoretical Computer Science","language":[{"iso":"eng"}],"user_id":"15415","department":[{"_id":"63"}],"_id":"17986","citation":{"ama":"Ziegler M, Brattka V. Computability in linear algebra. <i>Theoretical Computer Science</i>. 2004;326(1-3):187-211. doi:<a href=\"https://doi.org/10.1016/j.tcs.2004.06.022\">https://doi.org/10.1016/j.tcs.2004.06.022</a>","chicago":"Ziegler, Martin, and Vasco Brattka. “Computability in Linear Algebra.” <i>Theoretical Computer Science</i> 326, no. 1–3 (2004): 187–211. <a href=\"https://doi.org/10.1016/j.tcs.2004.06.022\">https://doi.org/10.1016/j.tcs.2004.06.022</a>.","ieee":"M. Ziegler and V. Brattka, “Computability in linear algebra,” <i>Theoretical Computer Science</i>, vol. 326, no. 1–3, pp. 187–211, 2004.","mla":"Ziegler, Martin, and Vasco Brattka. “Computability in Linear Algebra.” <i>Theoretical Computer Science</i>, vol. 326, no. 1–3, 2004, pp. 187–211, doi:<a href=\"https://doi.org/10.1016/j.tcs.2004.06.022\">https://doi.org/10.1016/j.tcs.2004.06.022</a>.","bibtex":"@article{Ziegler_Brattka_2004, title={Computability in linear algebra}, volume={326}, DOI={<a href=\"https://doi.org/10.1016/j.tcs.2004.06.022\">https://doi.org/10.1016/j.tcs.2004.06.022</a>}, number={1–3}, journal={Theoretical Computer Science}, author={Ziegler, Martin and Brattka, Vasco}, year={2004}, pages={187–211} }","short":"M. Ziegler, V. Brattka, Theoretical Computer Science 326 (2004) 187–211.","apa":"Ziegler, M., &#38; Brattka, V. (2004). Computability in linear algebra. <i>Theoretical Computer Science</i>, <i>326</i>(1–3), 187–211. <a href=\"https://doi.org/10.1016/j.tcs.2004.06.022\">https://doi.org/10.1016/j.tcs.2004.06.022</a>"},"intvolume":"       326","page":"187-211","year":"2004","issue":"1-3","publication_status":"published","doi":"https://doi.org/10.1016/j.tcs.2004.06.022","title":"Computability in linear algebra","author":[{"last_name":"Ziegler","full_name":"Ziegler, Martin","first_name":"Martin"},{"last_name":"Brattka","full_name":"Brattka, Vasco","first_name":"Vasco"}],"date_created":"2020-08-14T13:41:32Z","volume":326,"date_updated":"2022-01-06T06:53:24Z"},{"publication":"Computability and Complexity in Analysis","type":"conference","status":"public","abstract":[{"text":"For uniform computability of regular sets in Euclidean space, previous work has identified twelve 'basic' notions, to (pairs of) which many previous notions considered in literature were shown to be equivalent.\r\n\r\nWith respect to those basic notions, we now investigate on the computability of natural OPERATIONS on regular sets: union, intersection, complement, convex hull, image, and pre-image under suitable classes of functions.","lang":"eng"}],"department":[{"_id":"63"}],"user_id":"15415","_id":"18260","language":[{"iso":"eng"}],"issue":"4-5","publication_identifier":{"issn":["0942-5616","1521-3870"]},"publication_status":"published","intvolume":"        50","page":"392-404","citation":{"bibtex":"@inproceedings{Ziegler_2004, title={Computable operators on regular sets}, volume={50}, DOI={<a href=\"https://doi.org/10.1002/malq.200310107\">10.1002/malq.200310107</a>}, number={4–5}, booktitle={Computability and Complexity in Analysis}, author={Ziegler, Martin}, year={2004}, pages={392–404} }","mla":"Ziegler, Martin. “Computable Operators on Regular Sets.” <i>Computability and Complexity in Analysis</i>, vol. 50, no. 4–5, 2004, pp. 392–404, doi:<a href=\"https://doi.org/10.1002/malq.200310107\">10.1002/malq.200310107</a>.","short":"M. Ziegler, in: Computability and Complexity in Analysis, 2004, pp. 392–404.","apa":"Ziegler, M. (2004). Computable operators on regular sets. <i>Computability and Complexity in Analysis</i>, <i>50</i>(4–5), 392–404. <a href=\"https://doi.org/10.1002/malq.200310107\">https://doi.org/10.1002/malq.200310107</a>","chicago":"Ziegler, Martin. “Computable Operators on Regular Sets.” In <i>Computability and Complexity in Analysis</i>, 50:392–404, 2004. <a href=\"https://doi.org/10.1002/malq.200310107\">https://doi.org/10.1002/malq.200310107</a>.","ieee":"M. Ziegler, “Computable operators on regular sets,” in <i>Computability and Complexity in Analysis</i>, 2004, vol. 50, no. 4–5, pp. 392–404, doi: <a href=\"https://doi.org/10.1002/malq.200310107\">10.1002/malq.200310107</a>.","ama":"Ziegler M. Computable operators on regular sets. In: <i>Computability and Complexity in Analysis</i>. Vol 50. ; 2004:392-404. doi:<a href=\"https://doi.org/10.1002/malq.200310107\">10.1002/malq.200310107</a>"},"year":"2004","volume":50,"author":[{"first_name":"Martin","last_name":"Ziegler","full_name":"Ziegler, Martin"}],"date_created":"2020-08-25T10:31:45Z","date_updated":"2022-01-06T06:53:28Z","doi":"10.1002/malq.200310107","title":"Computable operators on regular sets"},{"year":"2004","date_created":"2020-08-25T11:25:11Z","publisher":"Springer","title":"Fast Multipoint Evaluation of Bivariate Polynomials","publication":"Proc. 12th Annual Symposium on Algorithms (ESA'04)","abstract":[{"text":"We generalize univariate multipoint evaluation of polynomials of degree n at sublinear amortized cost per point. More precisely, it is shown how to evaluate a bivariate polynomial p of maximum degree less than n, specified by its n^2 coefficients, simultaneously at n^2 given points using a total of O(n^2.667) arithmetic operations. In terms of the input size N being quadratic in n, this amounts to an amortized cost of O(N^0.334) per point.","lang":"eng"}],"language":[{"iso":"eng"}],"publication_status":"published","publication_identifier":{"issn":["0302-9743","1611-3349"],"isbn":["9783540230250","9783540301400"]},"citation":{"apa":"Nüsken, M., &#38; Ziegler, M. (2004). Fast Multipoint Evaluation of Bivariate Polynomials. In <i>Proc. 12th Annual Symposium on Algorithms (ESA’04)</i> (Vol. 3221, pp. 544–555). Berlin, Heidelberg: Springer. <a href=\"https://doi.org/10.1007/978-3-540-30140-0_49\">https://doi.org/10.1007/978-3-540-30140-0_49</a>","bibtex":"@inproceedings{Nüsken_Ziegler_2004, place={Berlin, Heidelberg}, title={Fast Multipoint Evaluation of Bivariate Polynomials}, volume={3221}, DOI={<a href=\"https://doi.org/10.1007/978-3-540-30140-0_49\">10.1007/978-3-540-30140-0_49</a>}, booktitle={Proc. 12th Annual Symposium on Algorithms (ESA’04)}, publisher={Springer}, author={Nüsken, Michael and Ziegler, Martin}, year={2004}, pages={544–555} }","short":"M. Nüsken, M. Ziegler, in: Proc. 12th Annual Symposium on Algorithms (ESA’04), Springer, Berlin, Heidelberg, 2004, pp. 544–555.","mla":"Nüsken, Michael, and Martin Ziegler. “Fast Multipoint Evaluation of Bivariate Polynomials.” <i>Proc. 12th Annual Symposium on Algorithms (ESA’04)</i>, vol. 3221, Springer, 2004, pp. 544–55, doi:<a href=\"https://doi.org/10.1007/978-3-540-30140-0_49\">10.1007/978-3-540-30140-0_49</a>.","ama":"Nüsken M, Ziegler M. Fast Multipoint Evaluation of Bivariate Polynomials. In: <i>Proc. 12th Annual Symposium on Algorithms (ESA’04)</i>. Vol 3221. Berlin, Heidelberg: Springer; 2004:544-555. doi:<a href=\"https://doi.org/10.1007/978-3-540-30140-0_49\">10.1007/978-3-540-30140-0_49</a>","ieee":"M. Nüsken and M. Ziegler, “Fast Multipoint Evaluation of Bivariate Polynomials,” in <i>Proc. 12th Annual Symposium on Algorithms (ESA’04)</i>, 2004, vol. 3221, pp. 544–555.","chicago":"Nüsken, Michael, and Martin Ziegler. “Fast Multipoint Evaluation of Bivariate Polynomials.” In <i>Proc. 12th Annual Symposium on Algorithms (ESA’04)</i>, 3221:544–55. Berlin, Heidelberg: Springer, 2004. <a href=\"https://doi.org/10.1007/978-3-540-30140-0_49\">https://doi.org/10.1007/978-3-540-30140-0_49</a>."},"page":"544-555","intvolume":"      3221","place":"Berlin, Heidelberg","author":[{"full_name":"Nüsken, Michael","last_name":"Nüsken","first_name":"Michael"},{"last_name":"Ziegler","full_name":"Ziegler, Martin","first_name":"Martin"}],"volume":3221,"date_updated":"2022-01-06T06:53:28Z","doi":"10.1007/978-3-540-30140-0_49","type":"conference","status":"public","user_id":"15415","department":[{"_id":"63"}],"_id":"18263"},{"language":[{"iso":"eng"}],"publication":"Proc. of 15th Annual International Symposium on Algorithms and Computation (ISAAC'04)","abstract":[{"text":"For $c in REAL$, a $c$-spanner is a subgraph of a complete Euclidean graph satisfying that between any two vertices there exists a path of weighted length at most $c$ times their geometric distance. Based on this property to approximate a complete weighted graph, sparse spanners have found many applications, e.g., in FPTAS, geometric searching, and radio networks. For geometric searching, it turned out to suffice whether the radius rather than the length of some path between any two vertices is bounded relatively to their geometric distance; this is the defining property of weak spanners. Finally regarding radio network applications, a power spanner accounts for the total energy afforded for a wireless transmission with the requirement that the sum of the squares of the lengths of some path between any two planar vertices must be bounded relatively to the square of their geometric distance (or higher powers up to 6 or even 8).<br><br>While it is known that any $c$-spanner is also both a weak $C_1$-spanner and a $C_2$-power spanner (for appropriate $C_1,C_2$ depending only on $c$ but not on the graph under consideration), we show that the converse fails: There exists a family of $c_1$-power spanners that are no weak $C$-spanners and also a family of weak $c_2$-spanners that are no $C$-spanners for any fixed $C$ (and thus no uniform spanners, either). However the deepest result of the present work reveals that, surprisingly, any weak spanner is also a uniform power spanner. We further generalize the latter notion by considering $(c,delta)$-power spanners where the sum of the $delta$-th powers of the lengths has to be bounded; so $(cdot,2)$-power spanners coincide with the usual power spanners and $(cdot,1)$-power spanners are classical spanners. Interestingly, these $(cdot,delta)$-power spanners form a strict hierarchy where the above results still hold for any $deltageq2$; some even hold for $delta>1$ while counterexamples reveal others to fail for $delta<2$. In fact we show that in general every self-similar curve of fractal dimension $d>delta$ is no $(C,delta)$-power spanner for any fixed $C$. ","lang":"eng"}],"publisher":"Springer ","date_created":"2020-08-25T12:30:19Z","title":"Spanners, Weak Spanners, and Power Spanners for Wireless Networks","year":"2004","_id":"18279","user_id":"15415","department":[{"_id":"63"}],"type":"conference","status":"public","date_updated":"2022-01-06T06:53:28Z","author":[{"first_name":"Christian","last_name":"Schindelhauer","full_name":"Schindelhauer, Christian"},{"full_name":"Volbert, Klaus","last_name":"Volbert","first_name":"Klaus"},{"full_name":"Ziegler, Martin","last_name":"Ziegler","first_name":"Martin"}],"volume":3341,"doi":"10.1007/978-3-540-30551-4_69","publication_status":"published","publication_identifier":{"isbn":["9783540241317","9783540305514"],"issn":["0302-9743","1611-3349"]},"place":"Berlin, Heidelberg","citation":{"chicago":"Schindelhauer, Christian, Klaus Volbert, and Martin Ziegler. “Spanners, Weak Spanners, and Power Spanners for Wireless Networks.” In <i>Proc. of 15th Annual International Symposium on Algorithms and Computation (ISAAC’04)</i>, 3341:805–21. Berlin, Heidelberg: Springer , 2004. <a href=\"https://doi.org/10.1007/978-3-540-30551-4_69\">https://doi.org/10.1007/978-3-540-30551-4_69</a>.","ieee":"C. Schindelhauer, K. Volbert, and M. Ziegler, “Spanners, Weak Spanners, and Power Spanners for Wireless Networks,” in <i>Proc. of 15th Annual International Symposium on Algorithms and Computation (ISAAC’04)</i>, 2004, vol. 3341, pp. 805–821.","ama":"Schindelhauer C, Volbert K, Ziegler M. Spanners, Weak Spanners, and Power Spanners for Wireless Networks. In: <i>Proc. of 15th Annual International Symposium on Algorithms and Computation (ISAAC’04)</i>. Vol 3341. Berlin, Heidelberg: Springer ; 2004:805-821. doi:<a href=\"https://doi.org/10.1007/978-3-540-30551-4_69\">10.1007/978-3-540-30551-4_69</a>","apa":"Schindelhauer, C., Volbert, K., &#38; Ziegler, M. (2004). Spanners, Weak Spanners, and Power Spanners for Wireless Networks. In <i>Proc. of 15th Annual International Symposium on Algorithms and Computation (ISAAC’04)</i> (Vol. 3341, pp. 805–821). Berlin, Heidelberg: Springer . <a href=\"https://doi.org/10.1007/978-3-540-30551-4_69\">https://doi.org/10.1007/978-3-540-30551-4_69</a>","short":"C. Schindelhauer, K. Volbert, M. Ziegler, in: Proc. of 15th Annual International Symposium on Algorithms and Computation (ISAAC’04), Springer , Berlin, Heidelberg, 2004, pp. 805–821.","bibtex":"@inproceedings{Schindelhauer_Volbert_Ziegler_2004, place={Berlin, Heidelberg}, title={Spanners, Weak Spanners, and Power Spanners for Wireless Networks}, volume={3341}, DOI={<a href=\"https://doi.org/10.1007/978-3-540-30551-4_69\">10.1007/978-3-540-30551-4_69</a>}, booktitle={Proc. of 15th Annual International Symposium on Algorithms and Computation (ISAAC’04)}, publisher={Springer }, author={Schindelhauer, Christian and Volbert, Klaus and Ziegler, Martin}, year={2004}, pages={805–821} }","mla":"Schindelhauer, Christian, et al. “Spanners, Weak Spanners, and Power Spanners for Wireless Networks.” <i>Proc. of 15th Annual International Symposium on Algorithms and Computation (ISAAC’04)</i>, vol. 3341, Springer , 2004, pp. 805–21, doi:<a href=\"https://doi.org/10.1007/978-3-540-30551-4_69\">10.1007/978-3-540-30551-4_69</a>."},"intvolume":"      3341","page":"805-821"},{"has_accepted_license":"1","page":"73-83","citation":{"ieee":"B. Mueck, W. Dangelmaier, C. Laroque, M. Fischer, and M. Kortenjan, “Guidance of Users in Interactive 3D-Visualisations of Material Flow Simulations,” in <i>Simulation and Visualisation 2004</i>, 2004, pp. 73–83.","chicago":"Mueck, Bengt, Wilhelm Dangelmaier, Christoph  Laroque, Matthias Fischer, and Michael Kortenjan. “Guidance of Users in Interactive 3D-Visualisations of Material Flow Simulations.” In <i>Simulation and Visualisation 2004</i>, 73–83. Magdeburg: SCS European Publishing House, 2004.","ama":"Mueck B, Dangelmaier W, Laroque C, Fischer M, Kortenjan M. Guidance of Users in Interactive 3D-Visualisations of Material Flow Simulations. In: <i>Simulation and Visualisation 2004</i>. Magdeburg: SCS European Publishing House; 2004:73-83.","apa":"Mueck, B., Dangelmaier, W., Laroque, C., Fischer, M., &#38; Kortenjan, M. (2004). Guidance of Users in Interactive 3D-Visualisations of Material Flow Simulations. In <i>Simulation and Visualisation 2004</i> (pp. 73–83). Magdeburg: SCS European Publishing House.","mla":"Mueck, Bengt, et al. “Guidance of Users in Interactive 3D-Visualisations of Material Flow Simulations.” <i>Simulation and Visualisation 2004</i>, SCS European Publishing House, 2004, pp. 73–83.","short":"B. Mueck, W. Dangelmaier, C. Laroque, M. Fischer, M. Kortenjan, in: Simulation and Visualisation 2004, SCS European Publishing House, Magdeburg, 2004, pp. 73–83.","bibtex":"@inproceedings{Mueck_Dangelmaier_Laroque_Fischer_Kortenjan_2004, place={Magdeburg}, title={Guidance of Users in Interactive 3D-Visualisations of Material Flow Simulations}, booktitle={Simulation and Visualisation 2004}, publisher={SCS European Publishing House}, author={Mueck, Bengt and Dangelmaier, Wilhelm and Laroque, Christoph  and Fischer, Matthias and Kortenjan, Michael}, year={2004}, pages={73–83} }"},"place":"Magdeburg","author":[{"last_name":"Mueck","full_name":"Mueck, Bengt","first_name":"Bengt"},{"first_name":"Wilhelm","last_name":"Dangelmaier","full_name":"Dangelmaier, Wilhelm"},{"full_name":"Laroque, Christoph ","last_name":"Laroque","first_name":"Christoph "},{"first_name":"Matthias","last_name":"Fischer","id":"146","full_name":"Fischer, Matthias"},{"full_name":"Kortenjan, Michael","last_name":"Kortenjan","first_name":"Michael"}],"date_updated":"2022-01-06T06:53:30Z","type":"conference","status":"public","department":[{"_id":"63"}],"user_id":"15415","_id":"18364","file_date_updated":"2020-08-26T12:29:05Z","year":"2004","date_created":"2020-08-26T12:29:21Z","publisher":"SCS European Publishing House","title":"Guidance of Users in Interactive 3D-Visualisations of Material Flow Simulations","publication":"Simulation and Visualisation 2004","file":[{"content_type":"application/pdf","success":1,"relation":"main_file","date_updated":"2020-08-26T12:29:05Z","date_created":"2020-08-26T12:29:05Z","creator":"koala","file_size":1767621,"file_id":"18365","access_level":"closed","file_name":"hni-id-1642.pdf"}],"abstract":[{"text":"The visualisation of manufacturing-processes assists the user in understanding and analysis.\r\nTypically he can move free and unguided in a virtual environment which visualizes the entire\r\nprocess. Thus knowledge and conclusions are to some extend acquired on a random base.\r\nThis article describes the development of a tool, which enables the user to interactively improve\r\nsignificant production processes in the simulation. He moves in a virtual 3D-environment\r\n(walkthrough system) and is able to acquire automatically calculated indications for significant\r\nprocesses. At the same time the simulation considers significant objects in a more detailed way. If\r\nthe viewer is interested in a significant process, he is automatically guided to the relevant location\r\nwhere he can examine the critical situation by modification of the simulation model.","lang":"eng"}],"language":[{"iso":"eng"}],"ddc":["000"]},{"publication":"Informatik Spektrum","type":"journal_article","status":"public","_id":"18447","department":[{"_id":"63"}],"user_id":"15415","language":[{"iso":"eng"}],"issue":"5","year":"2004","intvolume":"        27","page":"448-452","citation":{"mla":"Oesterdiekhoff, Brigitte. “Transcoding von Webinhalten.” <i>Informatik Spektrum</i>, vol. 27, no. 5, 2004, pp. 448–52.","short":"B. Oesterdiekhoff, Informatik Spektrum 27 (2004) 448–452.","bibtex":"@article{Oesterdiekhoff_2004, title={Transcoding von Webinhalten}, volume={27}, number={5}, journal={Informatik Spektrum}, author={Oesterdiekhoff, Brigitte}, year={2004}, pages={448–452} }","apa":"Oesterdiekhoff, B. (2004). Transcoding von Webinhalten. <i>Informatik Spektrum</i>, <i>27</i>(5), 448–452.","ama":"Oesterdiekhoff B. Transcoding von Webinhalten. <i>Informatik Spektrum</i>. 2004;27(5):448-452.","ieee":"B. Oesterdiekhoff, “Transcoding von Webinhalten,” <i>Informatik Spektrum</i>, vol. 27, no. 5, pp. 448–452, 2004.","chicago":"Oesterdiekhoff, Brigitte. “Transcoding von Webinhalten.” <i>Informatik Spektrum</i> 27, no. 5 (2004): 448–52."},"date_updated":"2022-01-06T06:53:32Z","volume":27,"author":[{"first_name":"Brigitte","last_name":"Oesterdiekhoff","full_name":"Oesterdiekhoff, Brigitte"}],"date_created":"2020-08-27T11:52:37Z","title":"Transcoding von Webinhalten"},{"citation":{"mla":"Oesterdiekhoff, Brigitte. “Internet Premium Services for Flexible Format Distributed Devices.” <i>Proceedings of IFIP Working Conference on Distributed and Parallel Embedded Systems (DIPES’04)</i>, 2004.","bibtex":"@inproceedings{Oesterdiekhoff_2004, title={Internet Premium Services for Flexible Format Distributed Devices}, booktitle={Proceedings of IFIP Working Conference on Distributed and Parallel Embedded Systems (DIPES’04)}, author={Oesterdiekhoff, Brigitte}, year={2004} }","short":"B. Oesterdiekhoff, in: Proceedings of IFIP Working Conference on Distributed and Parallel Embedded Systems (DIPES’04), 2004.","apa":"Oesterdiekhoff, B. (2004). Internet Premium Services for Flexible Format Distributed Devices. In <i>Proceedings of IFIP Working Conference on Distributed and Parallel Embedded Systems (DIPES’04)</i>.","chicago":"Oesterdiekhoff, Brigitte. “Internet Premium Services for Flexible Format Distributed Devices.” In <i>Proceedings of IFIP Working Conference on Distributed and Parallel Embedded Systems (DIPES’04)</i>, 2004.","ieee":"B. Oesterdiekhoff, “Internet Premium Services for Flexible Format Distributed Devices,” in <i>Proceedings of IFIP Working Conference on Distributed and Parallel Embedded Systems (DIPES’04)</i>, 2004.","ama":"Oesterdiekhoff B. Internet Premium Services for Flexible Format Distributed Devices. In: <i>Proceedings of IFIP Working Conference on Distributed and Parallel Embedded Systems (DIPES’04)</i>. ; 2004."},"year":"2004","title":"Internet Premium Services for Flexible Format Distributed Devices","author":[{"first_name":"Brigitte","last_name":"Oesterdiekhoff","full_name":"Oesterdiekhoff, Brigitte"}],"date_created":"2020-08-27T11:58:50Z","date_updated":"2022-01-06T06:53:32Z","status":"public","type":"conference","publication":"Proceedings of IFIP Working Conference on Distributed and Parallel Embedded Systems (DIPES'04)","language":[{"iso":"eng"}],"user_id":"15415","department":[{"_id":"63"}],"_id":"18448"},{"title":"Mapping High Quality Textures on an Interactive Globe","date_updated":"2022-01-06T06:55:13Z","author":[{"first_name":"F.","last_name":"Goetz","full_name":"Goetz, F."},{"last_name":"Boenning","full_name":"Boenning, B.","first_name":"B."},{"full_name":"Domik, Gitta","id":"90","last_name":"Domik","first_name":"Gitta"}],"date_created":"2021-04-25T17:25:37Z","year":"2004","citation":{"ama":"Goetz F, Boenning B, Domik G. Mapping High Quality Textures on an Interactive Globe. In: <i>Proc. of The 4th IASTED International Conference on Visualization, Imgaging, and Image Processing</i>. ; 2004.","chicago":"Goetz, F., B. Boenning, and Gitta Domik. “Mapping High Quality Textures on an Interactive Globe.” In <i>Proc. of The 4th IASTED International Conference on Visualization, Imgaging, and Image Processing</i>, 2004.","ieee":"F. Goetz, B. Boenning, and G. Domik, “Mapping High Quality Textures on an Interactive Globe,” in <i>Proc. of The 4th IASTED International Conference on Visualization, Imgaging, and Image Processing</i>, 2004.","apa":"Goetz, F., Boenning, B., &#38; Domik, G. (2004). Mapping High Quality Textures on an Interactive Globe. In <i>Proc. of The 4th IASTED International Conference on Visualization, Imgaging, and Image Processing</i>.","mla":"Goetz, F., et al. “Mapping High Quality Textures on an Interactive Globe.” <i>Proc. of The 4th IASTED International Conference on Visualization, Imgaging, and Image Processing</i>, 2004.","bibtex":"@inproceedings{Goetz_Boenning_Domik_2004, title={Mapping High Quality Textures on an Interactive Globe}, booktitle={Proc. of The 4th IASTED International Conference on Visualization, Imgaging, and Image Processing}, author={Goetz, F. and Boenning, B. and Domik, Gitta}, year={2004} }","short":"F. Goetz, B. Boenning, G. Domik, in: Proc. of The 4th IASTED International Conference on Visualization, Imgaging, and Image Processing, 2004."},"language":[{"iso":"eng"}],"_id":"21780","department":[{"_id":"65"}],"user_id":"14955","status":"public","publication":"Proc. of The 4th IASTED International Conference on Visualization, Imgaging, and Image Processing","type":"conference"}]