4 Search Results for "Ebert, Peter"

Document
DOI: 10.4230/LIPIcs.WABI.2017.16
All Fingers Are Not the Same: Handling Variable-Length Sequences in a Discriminative Setting Using Conformal Multi-Instance Kernels

Authors: Sarvesh Nikumbh, Peter Ebert, and Nico Pfeifer

Published in: LIPIcs, Volume 88, 17th International Workshop on Algorithms in Bioinformatics (WABI 2017)

Abstract
Most string kernels for comparison of genomic sequences are generally tied to using (absolute) positional information of the features in the individual sequences. This poses limitations when comparing variable-length sequences using such string kernels. For example, profiling chromatin interactions by 3C-based experiments results in variable-length genomic sequences (restriction fragments). Here, exact position-wise occurrence of signals in sequences may not be as important as in the scenario of analysis of the promoter sequences, that typically have a transcription start site as reference. Existing position-aware string kernels have been shown to be useful for the latter scenario. In this work, we propose a novel approach for sequence comparison that enables larger positional freedom than most of the existing approaches, can identify a possibly dispersed set of features in comparing variable-length sequences, and can handle both the aforementioned scenarios. Our approach, \emph{CoMIK}, identifies not just the features useful towards classification but also their locations in the variable-length sequences, as evidenced by the results of three binary classification experiments, aided by recently introduced visualization techniques. Furthermore, we show that we are able to efficiently retrieve and interpret the weight vector for the complex setting of multiple multi-instance kernels.
Cite as

Sarvesh Nikumbh, Peter Ebert, and Nico Pfeifer. All Fingers Are Not the Same: Handling Variable-Length Sequences in a Discriminative Setting Using Conformal Multi-Instance Kernels. In 17th International Workshop on Algorithms in Bioinformatics (WABI 2017). Leibniz International Proceedings in Informatics (LIPIcs), Volume 88, pp. 16:1-16:14, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2017)

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@InProceedings{nikumbh_et_al:LIPIcs.WABI.2017.16,
  author =	{Nikumbh, Sarvesh and Ebert, Peter and Pfeifer, Nico},
  title =	{{All Fingers Are Not the Same: Handling Variable-Length Sequences in a Discriminative Setting Using Conformal Multi-Instance Kernels}},
  booktitle =	{17th International Workshop on Algorithms in Bioinformatics (WABI 2017)},
  pages =	{16:1--16:14},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-050-7},
  ISSN =	{1868-8969},
  year =	{2017},
  volume =	{88},
  editor =	{Schwartz, Russell and Reinert, Knut},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.WABI.2017.16},
  URN =		{urn:nbn:de:0030-drops-76459},
  doi =		{10.4230/LIPIcs.WABI.2017.16},
  annote =	{Keywords: Multiple instance learning, conformal MI kernels, 5C, Hi-C}
}
Document
DOI: 10.4230/OASIcs.VLUDS.2011.25
Visualization and Evolution of Software Architectures

Authors: Taimur Khan, Henning Barthel, Achim Ebert, and Peter Liggesmeyer

Published in: OASIcs, Volume 27, Visualization of Large and Unstructured Data Sets: Applications in Geospatial Planning, Modeling and Engineering - Proceedings of IRTG 1131 Workshop 2011

Abstract
Software systems are an integral component of our everyday life as we find them in tools and embedded in equipment all around us. In order to ensure smooth, predictable, and accurate operation of these systems, it is crucial to produce and maintain systems that are highly reliable. A well-designed and well-maintained architecture goes a long way in achieving this goal. However, due to the intangible and often complex nature of software architecture, this task can be quite complicated. The field of software architecture visualization aims to ease this task by providing tools and techniques to examine the hierarchy, relationship, evolution, and quality of architecture components. In this paper, we present a discourse on the state of the art of software architecture visualization techniques. Further, we highlight the importance of developing solutions tailored to meet the needs and requirements of the stakeholders involved in the analysis process.
Cite as

Taimur Khan, Henning Barthel, Achim Ebert, and Peter Liggesmeyer. Visualization and Evolution of Software Architectures. In Visualization of Large and Unstructured Data Sets: Applications in Geospatial Planning, Modeling and Engineering - Proceedings of IRTG 1131 Workshop 2011. Open Access Series in Informatics (OASIcs), Volume 27, pp. 25-42, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2012)

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@InProceedings{khan_et_al:OASIcs.VLUDS.2011.25,
  author =	{Khan, Taimur and Barthel, Henning and Ebert, Achim and Liggesmeyer, Peter},
  title =	{{Visualization and Evolution of Software Architectures}},
  booktitle =	{Visualization of Large and Unstructured Data Sets: Applications in Geospatial Planning, Modeling and Engineering - Proceedings of IRTG 1131 Workshop 2011},
  pages =	{25--42},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-46-0},
  ISSN =	{2190-6807},
  year =	{2012},
  volume =	{27},
  editor =	{Garth, Christoph and Middel, Ariane and Hagen, Hans},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.VLUDS.2011.25},
  URN =		{urn:nbn:de:0030-drops-37390},
  doi =		{10.4230/OASIcs.VLUDS.2011.25},
  annote =	{Keywords: Software architecture visualization, software comprehension, software maintenance, software evolution, human perception}
}
Document
DOI: 10.4230/OASIcs.VLUDS.2011.113
Controlling In-Vehicle Systems with a Commercial EEG Headset: Performance and Cognitive Load

Authors: Daniel Cernea, Peter-Scott Olech, Achim Ebert, and Andreas Kerren

Published in: OASIcs, Volume 27, Visualization of Large and Unstructured Data Sets: Applications in Geospatial Planning, Modeling and Engineering - Proceedings of IRTG 1131 Workshop 2011

Abstract
Humans have dreamed for centuries to control their surroundings solely by the power of their minds. These aspirations have been captured by multiple science fiction creations, such as the Neuromancer novel by William Gibson or the Brainstorm cinematic movie, to name just a few. Nowadays, these dreams are slowly becoming reality due to a variety of brain-computer interfaces (BCI) that detect neural activation patterns and support the control of devices by brain signals. An important field in which BCIs are being successfully integrated is the interaction with vehicular systems. In this paper, we evaluate the performance of BCIs, more specifically a commercial electroencephalographic (EEG) headset in combination with vehicle dashboard systems, and highlight the advantages and limitations of this approach. Further, we investigate the cognitive load that drivers experience when interacting with secondary in-vehicle devices via touch controls or a BCI headset. As in-vehicle systems are increasingly versatile and complex, it becomes vital to capture the level of distraction and errors that controlling these secondary systems might introduce to the primary driving process. Our results suggest that the control with the EEG headset introduces less distraction to the driver, probably as it allows the eyes of the driver to remain focused on the road. Still, the control of the vehicle dashboard by EEG is efficient only for a limited number of functions, after which increasing the number of in-vehicle controls amplifies the detection of false commands.
Cite as

Daniel Cernea, Peter-Scott Olech, Achim Ebert, and Andreas Kerren. Controlling In-Vehicle Systems with a Commercial EEG Headset: Performance and Cognitive Load. In Visualization of Large and Unstructured Data Sets: Applications in Geospatial Planning, Modeling and Engineering - Proceedings of IRTG 1131 Workshop 2011. Open Access Series in Informatics (OASIcs), Volume 27, pp. 113-122, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2012)

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@InProceedings{cernea_et_al:OASIcs.VLUDS.2011.113,
  author =	{Cernea, Daniel and Olech, Peter-Scott and Ebert, Achim and Kerren, Andreas},
  title =	{{Controlling In-Vehicle Systems with a Commercial EEG Headset: Performance and Cognitive Load}},
  booktitle =	{Visualization of Large and Unstructured Data Sets: Applications in Geospatial Planning, Modeling and Engineering - Proceedings of IRTG 1131 Workshop 2011},
  pages =	{113--122},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-46-0},
  ISSN =	{2190-6807},
  year =	{2012},
  volume =	{27},
  editor =	{Garth, Christoph and Middel, Ariane and Hagen, Hans},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.VLUDS.2011.113},
  URN =		{urn:nbn:de:0030-drops-37459},
  doi =		{10.4230/OASIcs.VLUDS.2011.113},
  annote =	{Keywords: Brain-computer interface, EEG neuroheadset, EEG control, driver cog- nitive workload, in-vehicle systems.}
}
Document
DOI: 10.4230/DagSemProc.05402.1
Dagstuhl-Manifest zur Strategischen Bedeutung des Software Engineering in Deutschland

Authors: Manfred Broy, Matthias Jarke, Manfred Nagl, Hans Dieter Rombach, Armin B. Cremers, Jürgen Ebert, Sabine Glesner, Martin Glinz, Michael Goedicke, Gerhard Goos, Volker Gruhn, Wilhelm Hasselbring, Stefan Jähnichen, Stefan Kowalewski, Bernd J. Krämer, Stefan Leue, Claus Lewerentz, Peter Liggesmeyer, Christoph Lüth, Barbara Paech, Helmut A. Partsch, Ilka Philippow, Lutz Prechelt, Andreas Rausch, Willem-Paul de Roever, Bernhard Rumpe, Gudula Rünger, Wilhelm Schäfer, Kurt Schneider, Andy Schürr, Walter F. Tichy, Bernhard Westfechtel, Wolf Zimmermann, and Albert Zündorf

Published in: Dagstuhl Seminar Proceedings, Volume 5402, Perspectives Workshop (2006)

Abstract
Im Rahmen des Dagstuhl Perspektiven Workshop 05402 "Challenges for Software Engineering Research" haben führende Software Engineering Professoren den derzeitigen Stand der Softwaretechnik in Deutschland charakterisiert und Handlungsempfehlungen für Wirtschaft, Forschung und Politik abgeleitet. Das Manifest fasst die diese Empfehlungen und die Bedeutung und Entwicklung des Fachgebiets prägnant zusammen.
Cite as

Manfred Broy, Matthias Jarke, Manfred Nagl, Hans Dieter Rombach, Armin B. Cremers, Jürgen Ebert, Sabine Glesner, Martin Glinz, Michael Goedicke, Gerhard Goos, Volker Gruhn, Wilhelm Hasselbring, Stefan Jähnichen, Stefan Kowalewski, Bernd J. Krämer, Stefan Leue, Claus Lewerentz, Peter Liggesmeyer, Christoph Lüth, Barbara Paech, Helmut A. Partsch, Ilka Philippow, Lutz Prechelt, Andreas Rausch, Willem-Paul de Roever, Bernhard Rumpe, Gudula Rünger, Wilhelm Schäfer, Kurt Schneider, Andy Schürr, Walter F. Tichy, Bernhard Westfechtel, Wolf Zimmermann, and Albert Zündorf. Dagstuhl-Manifest zur Strategischen Bedeutung des Software Engineering in Deutschland. In Perspectives Workshop. Dagstuhl Seminar Proceedings, Volume 5402, pp. 1-16, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2006)

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@InProceedings{broy_et_al:DagSemProc.05402.1,
  author =	{Broy, Manfred and Jarke, Matthias and Nagl, Manfred and Rombach, Hans Dieter and Cremers, Armin B. and Ebert, J\"{u}rgen and Glesner, Sabine and Glinz, Martin and Goedicke, Michael and Goos, Gerhard and Gruhn, Volker and Hasselbring, Wilhelm and J\"{a}hnichen, Stefan and Kowalewski, Stefan and Kr\"{a}mer, Bernd J. and Leue, Stefan and Lewerentz, Claus and Liggesmeyer, Peter and L\"{u}th, Christoph and Paech, Barbara and Partsch, Helmut A. and Philippow, Ilka and Prechelt, Lutz and Rausch, Andreas and de Roever, Willem-Paul and Rumpe, Bernhard and R\"{u}nger, Gudula and Sch\"{a}fer, Wilhelm and Schneider, Kurt and Sch\"{u}rr, Andy and Tichy, Walter F. and Westfechtel, Bernhard and Zimmermann, Wolf and Z\"{u}ndorf, Albert},
  title =	{{Dagstuhl-Manifest zur Strategischen Bedeutung des Software Engineering in Deutschland}},
  booktitle =	{Perspectives Workshop},
  pages =	{1--16},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2006},
  volume =	{5402},
  editor =	{Manfred Broy and Manfred Nagl and Hans Dieter Rombach and Matthias Jarke},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.05402.1},
  URN =		{urn:nbn:de:0030-drops-5853},
  doi =		{10.4230/DagSemProc.05402.1},
  annote =	{Keywords: Software Engineering, Software Technik, Strategie}
}
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