Antonio Kruger
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Publications by Antonio Kruger (bibliography)
» 2006 «
Butz, Andreas, Kray, Christian, Kruger, Antonio and Schwesig, Carsten (2006): Workshop W2: multi-user and ubiquitous user interfaces (MU3I 2006). In: Proceedings of the 2006 International Conference on Intelligent User Interfaces 2006. p. 15. Available online
The main objective of the third workshop on Multi-User and Ubiquitous User Interfaces (MU3I 2006) is to bring people with relevant backgrounds (e.g. interface design, CSCW, ubiquitous computing) together to discuss two key questions in this field: How can we build interfaces, which span multiple devices so that the user knows that they can be used to control a specific application? How can we build interfaces for public displays? Therefore, the main outcome of the workshop is expected to consists of further insights into those problems, potential solutions and a research agenda to investigate these further.
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Wasinger, Rainer and Kruger, Antonio (2006): Modality preferences in mobile and instrumented environments. In: Proceedings of the 2006 International Conference on Intelligent User Interfaces 2006. pp. 336-338. Available online
In this paper, we describe the results of a usability study on user preferences for multimodal interaction in an instrumented environment. The study was conducted in a public setting, and provides insight into modality preferences among users, and specific to among men and women. The returned results are also contrasted to the results of a former study based on the same evaluation procedures but conducted under a laboratory setting.
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Aslan, Ilhan, Schwalm, Maximilian, Baus, Jorg, Kruger, Antonio and Schwartz, Tim (2006): Acquisition of spatial knowledge in location aware mobile pedestrian navigation systems. In: Proceedings of 8th conference on Human-computer interaction with mobile devices and services 2006. pp. 105-108. Available online
In this paper we regard the navigation aid provided by mobile navigation systems in a real environment and the effects of these mobile assistants to the development of spatial knowledge. Therefore, we report on a user study concerning the acquisition of spatial knowledge. This study sets up on a former study described by Kruger and colleagues and sheds light on problems concerning the acquisition of survey knowledge while being navigated by a mobile handheld PC.
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Butz, Andreas, Fisher, Brian D., Kruger, Antonio and Olivier, Patrick (eds.) Proceedings of the Sixth International Symposium on Smart Graphics July 23-25, 2006, Vancouver, Canada.
» 2005 «
Butz, Andreas, Schmitz, Michael, Kruger, Antonio and Hullmann, Harald (2005): Tangible UIs for media control: probes into the design space. In: Proceedings of ACM CHI 2005 Conference on Human Factors in Computing Systems 2005. pp. 957-971. Available online
In a student project over the summer of 2004 teams of computer science and product design students worked together to develop new forms of interfaces for media control in living room contexts. In this paper we describe the design process from collecting first ideas of design choices and iteratively evolving (low- fidelity) prototypes to fully functional products, partially even meeting mass production requirements. We discuss how the interdisciplinary collaboration influenced the creative process in such a way, that the solutions were more realistic than purely design- informed solutions and more inspired than purely technology- informed ones. We experienced that the combination of skills lead to a much more focused design process, which produced fully functional prototypes in a short time. The resulting designs include one interface installed in the room, two autonomous interaction objects which can be freely moved around, and a two- handed inter- face. While these are only small spotlights into a large design space, they nicely show the possible diversity. We also learned that fully functional and aesthetically pleasing prototypes can be developed with technologically relatively simple means.
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Rukzio, Enrico, Schmidt, Albrecht and Kruger, Antonio (2005): The rotating compass: a novel interaction technique for mobile navigation. In: Proceedings of ACM CHI 2005 Conference on Human Factors in Computing Systems 2005. pp. 1761-1764. Available online
In current mobile navigation systems users receive the navigational instructions on a visual display or by descriptive audio. The mapping between the provided navigation information and the surrounding world has still to be performed by the users. In our approach that aims at public spaces, we combine a public display that shows directions with a synchronized output on a personal device. We describe a system where on the public display a compass with a rotating needle is shown. When the compass needle points in the desired direction, the mobile device of the user vibrates. This unobtrusive cue, allows the user to navigate without listening to or looking at the mobile device. In this paper we introduce the concept of synchronized information displays for navigation. We describe our prototype of such a system and report on a user study, that shows the feasibility of the approach.
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» 2004 «
Kruger, Antonio, Butz, Andreas, Muller, Christian, Stahl, Christoph, Wasinger, Rainer, Steinberg, Karl-Ernst and Dirschl, Andreas (2004): The connected user interface: realizing a personal situated navigation service. In: Nunes, Nuno Jardim and Rich, Charles (eds.) International Conference on Intelligent User Interfaces 2004 January 13-16, 2004, Funchal, Madeira, Portugal. pp. 161-168. Available online
Navigation services can be found in different situations and contexts: while connected to the web through a desktop PC, in cars, and more recently on PDAs while on foot. These services are usually well designed for their specific purpose, but fail to work in other situations. In this paper we present an approach that connects a variety of specialized user interfaces to achieve a personal navigation service spanning different situations. We describe the concepts behind the bf BPN (BMW Personal Navigator), an entirely implemented system that combines a desktop event and route planner, a car navigation system, and a multi-modal, in- and outdoor pedestrian navigation system for a PDA. Rather than designing for one unified UI, we focus on connecting specialized UIs for desktop, in-car and on-foot use.
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Butz, Andreas, Gross, Markus H. and Kruger, Antonio (2004): TUISTER: a tangible UI for hierarchical structures. In: Nunes, Nuno Jardim and Rich, Charles (eds.) International Conference on Intelligent User Interfaces 2004 January 13-16, 2004, Funchal, Madeira, Portugal. pp. 223-225. Available online
Tangible user interfaces provide access to virtual information through intuitive physical manipulation. However, feedback is mostly provided by displays in the environment instead of the TUI itself. In this paper we describe the design of Tuister, a tangible user interface with multiple embedded displays and sensors. We explain how Tuister can be used to browse and access hierarchical structures and briefly describe the current state of a prototype we're building.
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Butz, Andreas, Kruger, Antonio, Kray, Christian and Schmidt, Albrecht (2004): Workshop W5: multi-user and ubiquitous user interfaces (MU3I). In: Nunes, Nuno Jardim and Rich, Charles (eds.) International Conference on Intelligent User Interfaces 2004 January 13-16, 2004, Funchal, Madeira, Portugal. pp. 378-379. Available online
The workshop on Multi-User and Ubiquitous User Interfaces (MU3I) discusses examples of and principles underlying user interfaces for ubiquitous computing and multi-user interfaces. It raises issues such as interface adaptation, resource limitations, and novel interaction techniques. The workshop is held as a full day event and the papers were reviewed by an international program committee. Online proceedings are available at http://www.mu3i.org/.
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» 2002 «
Baus, Jorg, Kruger, Antonio and Wahlster, Wolfgang (2002): A resource-adaptive mobile navigation system. In: Gil, Yolanda and Leake, David (eds.) International Conference on Intelligent User Interfaces 2002 January 13-16, 2002, San Francisco, California, USA. pp. 15-22. Available online
The design of mobile navigation systems adapting to limited resources will be an important future challenge. Since typically several different means of transportation have to be combined in order to reach a destination, the user interface of such a system has to adapt to the user's changing situation. This applies especially to the alternating use of different technologies to detect the user's position, which should be as seamless as possible. This article presents a hybrid navigation system that relies on different technologies to determine the user's location and that adapts the presentation of route directions to the limited technical resources of the output device and the limited cognitive resources of the user.
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Bohnenberger, Thorsten, Jameson, Anthony, Kruger, Antonio and Butz, Andreas (2002): User acceptance of a decision-theoretic location-aware shopping guide. In: Gil, Yolanda and Leake, David (eds.) International Conference on Intelligent User Interfaces 2002 January 13-16, 2002, San Francisco, California, USA. pp. 178-179. Available online
We are exploring a class of decision-theoretic handheld systems that give a user personalized advice about how to explore an indoor area in search of products or information. An initial user test in a simple mockup of a shopping mall showed that even novice PDA users accepted the system immediately and were able to achieve their shopping goals faster than when using a paper map of the mall. A key issue is the extent to which spontaneous user behavior can be accommodated within this framework.
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» 2001 «
Butz, Andreas, Baus, Jorg, Kruger, Antonio and Lohse, Marco (2001): A Hybrid Indoor Navigation System. In: International Conference on Intelligent User Interfaces 2001 January 14-17, 2001, Sanata Fe, New Mexico, USA. pp. 25-32. Available online
We describe a hybrid building navigation system consisting of stationary information booths and a mobile communication infrastructure feeding small portable devices. The graphical presentations for both the booths and the mobile devices are generated from a common source and for the common task of way finding, but they use different techniques to convey possibly different subsets of the relevant information. The form of the presentations is depending on technical limitations of the output media, accuracy of location information, and cognitive restrictions of the user. We analyze what information needs to be conveyed, how limited resources influence the presentation of this information, and argue, that by generating all different presentations in a common framework, a consistent appearance across devices can be achieved and that the different device classes can complement each other in facilitating the navigation task.
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Mar 19th, 2010
Changes to this page (author)
19 Feb 2010: Enabled abstracts to be shown on Antonio Kruger's author page.09 Dec 2007: Author was added to the bibliography (approved by an editor)24 Jul 2007: Author was edited
24 Jul 2007: Author was edited
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28 Apr 2003: Added the author to the bibliography