9 Search Results for "Kerren, Andreas"

Document
DOI: 10.4230/DagRep.12.5.37
Visual Text Analytics (Dagstuhl Seminar 22191)

Authors: Christopher Collins, Antske Fokkens, Andreas Kerren, Chris Weaver, and Angelos Chatzimparmpas

Published in: Dagstuhl Reports, Volume 12, Issue 5 (2022)

Abstract
Text data is one of the most abundant types of data available, produced every day across all domains of society. Understanding the contents of this data can support important policy decisions, help us understand society and culture, and improve business processes. While machine learning techniques are growing in their power for analyzing text data, there is still a clear role for human analysis and decision-making. This seminar explored the use of visual analytics applied to text data as a means to bridge the complementary strengths of people and computers. The field of visual text analytics applies visualization and interaction approaches which are tightly coupled to natural language processing systems to create analysis processes and systems for examining text and multimedia data. During the seminar, interdisciplinary working groups of experts from visualization, natural language processing, and machine learning examined seven topic areas to reflect on the state of the field, identify gaps in knowledge, and create an agenda for future cross-disciplinary research. This report documents the program and the outcomes of Dagstuhl Seminar 22191 "Visual Text Analytics".
Cite as

Christopher Collins, Antske Fokkens, Andreas Kerren, Chris Weaver, and Angelos Chatzimparmpas. Visual Text Analytics (Dagstuhl Seminar 22191). In Dagstuhl Reports, Volume 12, Issue 5, pp. 37-91, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2022)

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@Article{collins_et_al:DagRep.12.5.37,
  author =	{Collins, Christopher and Fokkens, Antske and Kerren, Andreas and Weaver, Chris and Chatzimparmpas, Angelos},
  title =	{{Visual Text Analytics (Dagstuhl Seminar 22191)}},
  pages =	{37--91},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2022},
  volume =	{12},
  number =	{5},
  editor =	{Collins, Christopher and Fokkens, Antske and Kerren, Andreas and Weaver, Chris and Chatzimparmpas, Angelos},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagRep.12.5.37},
  URN =		{urn:nbn:de:0030-drops-174432},
  doi =		{10.4230/DagRep.12.5.37},
  annote =	{Keywords: Information visualization, visual text analytics, visual analytics, text visualization, explainable ML for text analytics, language models, text mining, natural language processing}
}
Document
DOI: 10.4230/DagRep.3.5.19
Information Visualization - Towards Multivariate Network Visualization (Dagstuhl Seminar 13201)

Authors: Andreas Kerren, Helen Purchase, and Mathew O. Ward

Published in: Dagstuhl Reports, Volume 3, Issue 5 (2013)

Abstract
Information Visualization (InfoVis) focuses on the use of visualization techniques to help people understand and analyze large and complex data sets. The aim of this third Dagstuhl Seminar on Information Visualization was to bring together theoreticians and practitioners from Information Visualization, HCI, and Graph Drawing with a special focus on multivariate network visualization, i.e., on graphs where the nodes and/or edges have additional (multidimensional) attributes. To support discussions related to the visualization of real world data, researchers from selected application areas, especially bioinformatics, social sciences, and software engineering, were also invited. During the seminar, working groups on six different topics were formed and enabled a critical reflection on ongoing research efforts, the state of the field in multivariate network visualization, and key research challenges today. This report documents the program and the outcomes of Dagstuhl Seminar 13201 "Information Visualization -- Towards Multivariate Network Visualization".
Cite as

Andreas Kerren, Helen Purchase, and Mathew O. Ward. Information Visualization - Towards Multivariate Network Visualization (Dagstuhl Seminar 13201). In Dagstuhl Reports, Volume 3, Issue 5, pp. 19-42, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2013)

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@Article{kerren_et_al:DagRep.3.5.19,
  author =	{Kerren, Andreas and Purchase, Helen and Ward, Mathew O.},
  title =	{{Information Visualization - Towards Multivariate Network Visualization (Dagstuhl Seminar 13201)}},
  pages =	{19--42},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2013},
  volume =	{3},
  number =	{5},
  editor =	{Kerren, Andreas and Purchase, Helen and Ward, Mathew O.},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagRep.3.5.19},
  URN =		{urn:nbn:de:0030-drops-41775},
  doi =		{10.4230/DagRep.3.5.19},
  annote =	{Keywords: Information visualization, visualization, network visualization, graph drawing, visual analytics, network analysis, interaction}
}
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.10241.1
10241 Abstracts Collection – Information Visualization

Authors: Andreas Kerren, Catherine Plaisant, and John T. Stasko

Published in: Dagstuhl Seminar Proceedings, Volume 10241, Information Visualization (2010)

Abstract
From 13.06.10 to 18.06.10, the Dagstuhl Seminar 10241 ``Information Visualization '' was held in Schloss Dagstuhl~--~Leibniz Center for Informatics. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar as well as abstracts of seminar results and ideas are put together in this paper. The first section describes the seminar topics and goals in general. Links to extended abstracts or full papers are provided, if available.
Cite as

Andreas Kerren, Catherine Plaisant, and John T. Stasko. 10241 Abstracts Collection – Information Visualization. In Information Visualization. Dagstuhl Seminar Proceedings, Volume 10241, pp. 1-11, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2010)

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@InProceedings{kerren_et_al:DagSemProc.10241.1,
  author =	{Kerren, Andreas and Plaisant, Catherine and Stasko, John T.},
  title =	{{10241 Abstracts Collection – Information Visualization}},
  booktitle =	{Information Visualization},
  pages =	{1--11},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2010},
  volume =	{10241},
  editor =	{Andreas Kerren and Catherine Plaisant and John T. Stasko},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.10241.1},
  URN =		{urn:nbn:de:0030-drops-27405},
  doi =		{10.4230/DagSemProc.10241.1},
  annote =	{Keywords: Information Visualization, Visualization, Data Visualization, Collaboration, Display Technologies, Human-Computer Interaction}
}
Document
DOI: 10.4230/DagSemProc.10241.2
10241 Executive Summary – Information Visualization

Authors: Andreas Kerren, Catherine Plaisant, and John T. Stasko

Published in: Dagstuhl Seminar Proceedings, Volume 10241, Information Visualization (2010)

Abstract
Information Visualization (InfoVis) focuses on the use of visualization techniques to help people understand and analyze data. While related fields such as Scientific Visualization involve the presentation of data that has some physical or geometric correspondence, Information Visualization centers on abstract information without such correspondences. The aim of this seminar was to bring together theoreticians and practitioners from the field with a special focus on the intersection of InfoVis and Human-Computer Interaction. To support discussions that are related to the visualization of real world data, researchers from selected application areas also attended and contributed. During the seminar, working groups on eight different topics were formed and enabled a critical reflection on ongoing research efforts, the state of the field, and key research challenges today.
Cite as

Andreas Kerren, Catherine Plaisant, and John T. Stasko. 10241 Executive Summary – Information Visualization. In Information Visualization. Dagstuhl Seminar Proceedings, Volume 10241, pp. 1-10, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2010)

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@InProceedings{kerren_et_al:DagSemProc.10241.2,
  author =	{Kerren, Andreas and Plaisant, Catherine and Stasko, John T.},
  title =	{{10241 Executive Summary – Information Visualization}},
  booktitle =	{Information Visualization},
  pages =	{1--10},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2010},
  volume =	{10241},
  editor =	{Andreas Kerren and Catherine Plaisant and John T. Stasko},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.10241.2},
  URN =		{urn:nbn:de:0030-drops-27601},
  doi =		{10.4230/DagSemProc.10241.2},
  annote =	{Keywords: Information Visualization, Visualization, Data Visualization, Collaboration, Display Technologies, Human-Computer Interaction}
}
Document
DOI: 10.4230/DagSemProc.10241.3
New forms of Human-Computer Interaction for Visualizing Information

Authors: Harald Reiterer

Published in: Dagstuhl Seminar Proceedings, Volume 10241, Information Visualization (2010)

Abstract
The Graphical User Interface (GUI) – although developed in research laboratories in the late 1970s – is still the dominant interaction paradigm in Information Visualization. We propose a new interaction paradigm called Blended Interaction. It combines ideas of Embodied Cognition, Multimodal Interaction, Reality-Based Interaction & Ubiquitous Computing. This is intended to stress that a single increase in the reality aspect of the interaction cannot go far enough. The particular challenge – and from the user's standpoint, the key advantage – lies in a meaningful marriage between the tested real-world options and the digital world. As a minimum this marriage must exist on the levels of the interaction, communication, of the way we solve problems with conventional tools (workflows), and of the design of the space or the architecture of buildings and places. The digital world often offers entirely new possibilities and takes the form of interactive devices of various shapes but also of intelligent everyday objects (e.g. the 'Internet of things'). In our view, interaction concepts can indeed offer a new quality of interaction, but only when the design of the interaction includes all these domains at the same time and with equal weighting. We test the suitability of our ideas of Blended Interaction concepts by using specific application examples that are being worked on as part of current research projects. Our experiences show that this new interaction paradigm has also great potential for interacting with visualization. For example, we have developed multi-touch scatter plots & facet maps for tangible user interfaces supporting the searching & browsing in Digital Libraries. We have embedded different visualizations into a Zoomable Object-oriented Information Landscape (ZOIL), which supports our vision of using visualizations on different displays of different size at the same time. We have developed specific kind of search tokens that supports collaborative search activities. For example, we try to address the following research questions: * How can future interactive InfoVis tools look like, especially in the light of the idea Blended Interaction? * How can future interactive InfoVis tools benefit from Multi-Displays & Multimodal environments used by Multiple Users? * What are the specific design requirements for multi-touch visualizations? * How can we support the collaborative use visualization tools?
Cite as

Harald Reiterer. New forms of Human-Computer Interaction for Visualizing Information. In Information Visualization. Dagstuhl Seminar Proceedings, Volume 10241, pp. 1-4, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2010)

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@InProceedings{reiterer:DagSemProc.10241.3,
  author =	{Reiterer, Harald},
  title =	{{New forms of Human-Computer Interaction for Visualizing Information}},
  booktitle =	{Information Visualization},
  pages =	{1--4},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2010},
  volume =	{10241},
  editor =	{Andreas Kerren and Catherine Plaisant and John T. Stasko},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.10241.3},
  URN =		{urn:nbn:de:0030-drops-27399},
  doi =		{10.4230/DagSemProc.10241.3},
  annote =	{Keywords: Blended Interaction, Multimodal Interaction, Tangible Computing, Reality-Based Interaction, Ubiquitous Computing, Embodied Cognition}
}
Document
DOI: 10.4230/DagSemProc.07221.1
07221 Abstracts Collection – Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation

Authors: Andreas Kerren, John T. Stasko, Jean-Daniel Fekete, and Chris North

Published in: Dagstuhl Seminar Proceedings, Volume 7221, Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation (2007)

Abstract
From 28.05.07 to 01.06.07, the Dagstuhl Seminar 07221 ``Information Visualization – Human-Centered Issues in Visual Representation, Interaction, and Evaluation'' was held in the International Conference and Research Center (IBFI), Schloss Dagstuhl. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar as well as abstracts of seminar results and ideas are put together in this paper. The first section describes the seminar topics and goals in general. Links to extended abstracts or full papers are provided, if available.
Cite as

Andreas Kerren, John T. Stasko, Jean-Daniel Fekete, and Chris North. 07221 Abstracts Collection – Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation. In Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation. Dagstuhl Seminar Proceedings, Volume 7221, pp. 1-14, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)

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@InProceedings{kerren_et_al:DagSemProc.07221.1,
  author =	{Kerren, Andreas and Stasko, John T. and Fekete, Jean-Daniel and North, Chris},
  title =	{{07221 Abstracts Collection – Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation}},
  booktitle =	{Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation},
  pages =	{1--14},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{7221},
  editor =	{Jean-Daniel Fekete and Andreas Kerren and Chris North and John T. Stasko},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.07221.1},
  URN =		{urn:nbn:de:0030-drops-11367},
  doi =		{10.4230/DagSemProc.07221.1},
  annote =	{Keywords: Information Visualization, Visualization, Human-centered Aspects, Evaluation, Visual Analytics, Interaction, Exploration, Human-Computer Interaction}
}
Document
DOI: 10.4230/DagSemProc.07221.2
07221 Executive Summary - Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation

Authors: Andreas Kerren, John T. Stasko, Jean-Daniel Fekete, and Chris North

Published in: Dagstuhl Seminar Proceedings, Volume 7221, Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation (2007)

Abstract
Information Visualization (InfoVis) focuses on the use of visualization techniques to help people understand and analyze data. While related fields such as Scientific Visualization involve the presentation of data that has some physical or geometric correspondence, Information Visualization centers on abstract information without such correspondences. One important aim of this seminar was to bring together theoreticians and practitioners from Information Visualization and related fields as well as from application areas. The seminar has allowed a critical reflection on actual research efforts, the state of field, evaluation challenges, etc. This document summarizes the event.
Cite as

Andreas Kerren, John T. Stasko, Jean-Daniel Fekete, and Chris North. 07221 Executive Summary - Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation. In Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation. Dagstuhl Seminar Proceedings, Volume 7221, pp. 1-5, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)

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@InProceedings{kerren_et_al:DagSemProc.07221.2,
  author =	{Kerren, Andreas and Stasko, John T. and Fekete, Jean-Daniel and North, Chris},
  title =	{{07221 Executive Summary - Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation}},
  booktitle =	{Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation},
  pages =	{1--5},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{7221},
  editor =	{Jean-Daniel Fekete and Andreas Kerren and Chris North and John T. Stasko},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.07221.2},
  URN =		{urn:nbn:de:0030-drops-11356},
  doi =		{10.4230/DagSemProc.07221.2},
  annote =	{Keywords: Information Visualization, Visualization, Human-centered Aspects, Evaluation, Visual Analytics, Interaction, Exploration, Human-Computer Interaction}
}
Document
DOI: 10.4230/DagSemProc.05191.4
Interactive Visualization of Graph Pyramids

Authors: Andreas Kerren

Published in: Dagstuhl Seminar Proceedings, Volume 5191, Graph Drawing (2006)

Abstract
Hierarchies of plane graphs, called graph pyramids, can be used for collecting, storing and analyzing geographical information based on satellite images or other input data. The visualization of graph pyramids facilitates studies about their structure, such as their vertex distribution or height in relation of a specific input image. Thus, a researcher can debug algorithms and ask for statistical information. Furthermore, it improves the better understanding of geographical data, like landscape properties or thematical maps. In this paper, we present an interactive 3D visualization tool that supports several coordinated views on graph pyramids, subpyramids, level graphs, thematical maps, etc. Additionally, some implementation details and application results are discussed.
Cite as

Andreas Kerren. Interactive Visualization of Graph Pyramids. In Graph Drawing. Dagstuhl Seminar Proceedings, Volume 5191, pp. 1-11, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2006)

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@InProceedings{kerren:DagSemProc.05191.4,
  author =	{Kerren, Andreas},
  title =	{{Interactive Visualization of Graph Pyramids}},
  booktitle =	{Graph Drawing},
  pages =	{1--11},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2006},
  volume =	{5191},
  editor =	{Michael J\"{u}nger and Stephen Kobourov and Petra Mutzel},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.05191.4},
  URN =		{urn:nbn:de:0030-drops-3418},
  doi =		{10.4230/DagSemProc.05191.4},
  annote =	{Keywords: Graph Pyramids, Interactive Visualization, Exploration}
}
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