4 Search Results for "Khan, Taimur"

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/DFU.Vol2.SciViz.2011.1
CakES: Cake Metaphor for Analyzing Safety Issues of Embedded Systems

Authors: Yasmin I. Al-Zokari, Taimur Khan, Daniel Schneider, Dirk Zeckzer, and Hans Hagen

Published in: Dagstuhl Follow-Ups, Volume 2, Scientific Visualization: Interactions, Features, Metaphors (2011)

Abstract
Embedded systems are used everywhere. They are complex systems whose failure may cause death or injury to people or may damage the environment are required to be safety safe. Therefore, these systems need to be analyzed. Fault tree analysis is a common way for performing safety analysis. It generates a large amount of interconnected data that itself needs to be analyzed to help different domain experts (e.g., engineers and safety analysts) in their decisions for improving the system’s safety. Additional difficulties occur for the experts in communication and in linking the data (e.g., information of basic events or minimal cut sets) to the actual parts of the system (model). Therefore, a large amount of time and effort is being spent on discussions, searching,and navigating through the data. To overcome this, we present a new metaphor called "CakES" consisting of multiple views visualizing the data generated by fault tree analysis and linking them to the actual parts of the model by intuitive interaction. Using the interaction techniques of CakES the user can directly explore the safety related data without navigating through the fault tree while retaining an overview of all critical aspects in the model.
Cite as

Yasmin I. Al-Zokari, Taimur Khan, Daniel Schneider, Dirk Zeckzer, and Hans Hagen. CakES: Cake Metaphor for Analyzing Safety Issues of Embedded Systems. In Scientific Visualization: Interactions, Features, Metaphors. Dagstuhl Follow-Ups, Volume 2, pp. 1-16, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2011)

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@InCollection{alzokari_et_al:DFU.Vol2.SciViz.2011.1,
  author =	{Al-Zokari, Yasmin I. and Khan, Taimur and Schneider, Daniel and Zeckzer, Dirk and Hagen, Hans},
  title =	{{CakES: Cake Metaphor for Analyzing Safety Issues of Embedded Systems}},
  booktitle =	{Scientific Visualization: Interactions, Features, Metaphors},
  pages =	{1--16},
  series =	{Dagstuhl Follow-Ups},
  ISBN =	{978-3-939897-26-2},
  ISSN =	{1868-8977},
  year =	{2011},
  volume =	{2},
  editor =	{Hagen, Hans},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DFU.Vol2.SciViz.2011.1},
  URN =		{urn:nbn:de:0030-drops-32844},
  doi =		{10.4230/DFU.Vol2.SciViz.2011.1},
  annote =	{Keywords: Fault Tree Analysis, minimal cut sets, basic events, information visualization, scientific visualization, engineering, tiled-wall, multiple monitor sy}
}
Document
DOI: 10.4230/DFU.Vol2.SciViz.2011.144
Framework for Comprehensive Size and Resolution Utilization of Arbitrary Displays

Authors: Taimur Khan, Daniel Schneider, Yasmin Al-Zokari, Dirk Zeckzer, and Hans Hagen

Published in: Dagstuhl Follow-Ups, Volume 2, Scientific Visualization: Interactions, Features, Metaphors (2011)

Abstract
Scalable large high-resolution displays such as tiled displays are imperative for the visualization of large and complex datasets. In recent times, the relatively low costs for setting up large display systems have led to an highly increased usage of such devices. However, it is equally vital to optimally utilize their size and resolution to effectively explore such data through a combination of diverse visualizations, views, and interaction mechanisms. In this paper, we present a lightweight dispatcher framework which facilitates input management, focus management, and the execution of several interrelated yet independent visualizations. The approach is deliberately kept flexible to not only tackle different hardware configurations but also the amount of visualization applications to be implemented. This is demonstrated through a scenario that executes four interrelated visualizations equally well on both a 5 PC tiled-wall and a single desktop. The key contribution of this work is the ability to extend the tiled-wall to work with multiple applications for enhanced size and resolution utilization of such displays.
Cite as

Taimur Khan, Daniel Schneider, Yasmin Al-Zokari, Dirk Zeckzer, and Hans Hagen. Framework for Comprehensive Size and Resolution Utilization of Arbitrary Displays. In Scientific Visualization: Interactions, Features, Metaphors. Dagstuhl Follow-Ups, Volume 2, pp. 144-159, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2011)

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@InCollection{khan_et_al:DFU.Vol2.SciViz.2011.144,
  author =	{Khan, Taimur and Schneider, Daniel and Al-Zokari, Yasmin and Zeckzer, Dirk and Hagen, Hans},
  title =	{{Framework for Comprehensive Size and Resolution Utilization of Arbitrary Displays}},
  booktitle =	{Scientific Visualization: Interactions, Features, Metaphors},
  pages =	{144--159},
  series =	{Dagstuhl Follow-Ups},
  ISBN =	{978-3-939897-26-2},
  ISSN =	{1868-8977},
  year =	{2011},
  volume =	{2},
  editor =	{Hagen, Hans},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DFU.Vol2.SciViz.2011.144},
  URN =		{urn:nbn:de:0030-drops-32916},
  doi =		{10.4230/DFU.Vol2.SciViz.2011.144},
  annote =	{Keywords: Large and High-res Displays, Coordinated and Multiple Views, Human Computer Interaction}
}
Document
DOI: 10.4230/OASIcs.VLUDS.2010.27
A Survey of Interaction Techniques and Devices for Large High Resolution Displays

Authors: Taimur K. Khan

Published in: OASIcs, Volume 19, Visualization of Large and Unstructured Data Sets - Applications in Geospatial Planning, Modeling and Engineering (IRTG 1131 Workshop) (2011)

Abstract
Innovations in large high-resolution wall-sized displays have been yielding benefits to visualizations in industry and academia, leading to a rapidly growing increase of their implementations. In scenarios such as these, the displayed visual information tends to be larger than the users field of view, hence the necessity to move away from traditional interaction methods towards more suitable interaction devices and techniques. This paper aspires to explore the state-of-the-art with respect to such technologies for large high-resolution displays.
Cite as

Taimur K. Khan. A Survey of Interaction Techniques and Devices for Large High Resolution Displays. In Visualization of Large and Unstructured Data Sets - Applications in Geospatial Planning, Modeling and Engineering (IRTG 1131 Workshop). Open Access Series in Informatics (OASIcs), Volume 19, pp. 27-35, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2011)

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@InProceedings{khan:OASIcs.VLUDS.2010.27,
  author =	{Khan, Taimur K.},
  title =	{{A Survey of Interaction Techniques and Devices for Large High Resolution Displays}},
  booktitle =	{Visualization of Large and Unstructured Data Sets - Applications in Geospatial Planning, Modeling and Engineering (IRTG 1131 Workshop)},
  pages =	{27--35},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-29-3},
  ISSN =	{2190-6807},
  year =	{2011},
  volume =	{19},
  editor =	{Middel, Ariane and Scheler, Inga 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.2010.27},
  URN =		{urn:nbn:de:0030-drops-30944},
  doi =		{10.4230/OASIcs.VLUDS.2010.27},
  annote =	{Keywords: Interaction Techniques, High Resolution Displays}
}
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