Albrecht Schmidt

Prof.

Picture of Albrecht Schmidt. Copyright unknown.
Personal Homepage:
albrecht-schmidt.blogspot.com/
Current place of employment:
University of Duisburg-Essen

Albrecht Schmidt is a professor for Pervasive Computing and User Interface Engineering at the University of Duisburg-Essen in Germany. Previously he was head of department at the Fraunhofer institute for intelligent information and analysis systems. From 2003 to 2006 he headed the embedded interaction research group at the University of Munich. Albrecht studied in Ulm, Karlsruhe and Lancaster, where he completed his PhD on the topic “ubiquitous computing – computing in context”. His teaching and research interests are in media informatics and ubiquitous computing, and in particular in the area of user interface engineering. Albrecht enjoys creating new interaction techniques and interfaces technologies for specific environments such as the home or the car. Over recent years he organized several workshops and conferences and served in various committees in pervasive computing community.

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Publications by Albrecht Schmidt (bibliography)

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» 2009 «

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Doering, Tanja, Beckhaus, Steffi and Schmidt, Albrecht (2009): Towards a sensible integration of paper-based tangible user interfaces into creative work processes. In: Proceedings of ACM CHI 2009 Conference on Human Factors in Computing Systems 2009. pp. 4627-4632. Available online

We live in a hybrid world where standard computers with graphical user interfaces (GUIs) have become an integral part of our daily life. Additionally, novel user interfaces like tangible user interfaces (TUIs) are among emerging interaction styles that offer new potential as tools for supporting creative tasks and weak-structured workflows. In order to meet the users' needs, the most suitable user interface for a task should be chosen and different kinds of user interfaces have to be integrated appropriately. We addressed these topics and applied a generative framework to structure and analyze a creative work process in the domain of Art History. On this basis, we designed the integration of TUI and GUI elements and constructed as well as tested a tabletop TUI to support creative work.

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Kern, Dagmar, Schmidt, Albrecht, Arnsmann, Jonas, Appelmann, Thorsten, Pararasasegaran, Nillakshi and Piepiera, Benjamin (2009): Writing to your car: handwritten text input while driving. In: Proceedings of ACM CHI 2009 Conference on Human Factors in Computing Systems 2009. pp. 4705-4710. Available online

For in-car navigation, information and entertainment systems, text input is increasingly important. We investigate handwriting as a text input modality and assess where to best position the input surface and how to provide feedback. For this purpose, we created different prototypes that allow text input on the steering wheel and in the central console, as well as visual feedback on the input surface and on the dashboard. The results of the study indicate that handwritten text input on the steering wheel is well-received by the users and that the visual feedback should be presented in the dashboard area or on the steering wheel. We also observed that the number of corrective actions and the remaining errors were significantly smaller (25% less) on the steering wheel than in the central console and that entering text while driving made people drive slower.

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» 2008 «

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Graf, Stefan, Spiessl, Wolfgang, Schmidt, Albrecht, Winter, Anneke and Rigoll, Gerhard (2008): In-car interaction using search-based user interfaces. In: Proceedings of ACM CHI 2008 Conference on Human Factors in Computing Systems April 5-10, 2008. pp. 1685-1688. Available online

Increasing functionality, growing media volumes and dynamic data in today's in-vehicle information systems bear new challenges for user interaction design. Traditional hierarchical and menu-based interaction can only provide limited support while new search-based approaches are promising. In this work we assess different search techniques and search-based user interfaces. In particular we compare free search across all data items with categorized search. Our experiments with functional prototypes show that free search is more efficient and easier to use than searching within categories. Tests in a driving simulator show promising results regarding safety and workload. Means for alphanumeric input appear to be essential for an efficient and safe search interaction while driving.

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Mahato, Hema, Kern, Dagmar, Holleis, Paul and Schmidt, Albrecht (2008): Implicit personalization of public environments using bluetooth. In: Proceedings of ACM CHI 2008 Conference on Human Factors in Computing Systems April 5-10, 2008. pp. 3093-3098. Available online

Implicit and remote personalization of public environments is technically easily possible by using Bluetooth technology. We present a concept to allow people to individually influence public content such as songs played in shopping malls, news displayed on big displays, and advertisements shown etc. based on the Bluetooth functionality in their mobile. Users define once their preferences and store them encoded in the Bluetooth friendly name of their mobile phone. We describe the underlining idea, the implementation of the prototype "Bluemusic" as well as the conducted online survey and the initial user trail. The results suggested that the participants are cautious regarding privacy issues but very interested in such implicit interaction possibilities with public environments.

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Kern, Dagmar, Harding, Michael, Storz, Oliver, Davis, Nigel and Schmidt, Albrecht (2008): Shaping how advertisers see me: user views on implicit and explicit profile capture. In: Proceedings of ACM CHI 2008 Conference on Human Factors in Computing Systems April 5-10, 2008. pp. 3363-3368. Available online

Public electronic displays are increasingly used for advertising. In a drive to improve the effectiveness of such displays, advertisers and researchers are exploring the creation of systems that show adverts tailored to the context of the display or to the profile of the audience in close proximity to the display. In this paper we explore, through structured interviews with potential users in two European countries, reactions to the ideas of implicit and explicit generation of such profiles and relate these to more general user views on privacy and targeted advertising. The initial results suggest that users are prepared to trade off ease of use against increased levels of control over their data and are therefore more comfortable with an explicit system.

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Broll, Gregor, Haarländer, Markus, Paolucci, Massimo, Wagner, Matthias, Rukzio, Enrico and Schmidt, Albrecht (2008): Collect&Drop: A Technique for Multi-Tag Interaction with Real World Objects and Information. In: Aarts, Emile H. L., Crowley, James L., Ruyter, Boris E. R. de, Gerhäuser, Heinz, Pflaum, Alexander, Schmidt, Janina and Wichert, Reiner (eds.) Ambient Intelligence - European Conference - AmI 2008 November 19-22, 2008, Nuremberg, Germany. pp. 175-191. Available online

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Sahami, Alireza, Holleis, Paul, Schmidt, Albrecht and Häkkilä, Jonna (2008): Rich Tactile Output on Mobile Devices. In: Aarts, Emile H. L., Crowley, James L., Ruyter, Boris E. R. de, Gerhäuser, Heinz, Pflaum, Alexander, Schmidt, Janina and Wichert, Reiner (eds.) Ambient Intelligence - European Conference - AmI 2008 November 19-22, 2008, Nuremberg, Germany. pp. 210-221. Available online

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Holleis, Paul, Schmidt, Albrecht, Paasovaara, Susanna, Puikkonen, Arto and Häkkilä, Jonna (2008): Evaluating capacitive touch input on clothes. In: Hofte, G. Henri ter, Mulder, Ingrid and Ruyter, Boris E. R. de (eds.) Proceedings of the 10th Conference on Human-Computer Interaction with Mobile Devices and Services - Mobile HCI 2008 September 2-5, 2008, Amsterdam, the Netherlands. pp. 81-90. Available online

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Schönböck, Johannes, König, Florian, Kotsis, Gabriele, Gruber, Dominik, Zaim, Emre and Schmidt, Albrecht (2008): MirrorBoard - An Interactive Billboard. In: Herczeg, Michael and Kindsmüller, Martin Christof (eds.) Mensch and Computer 2008 7-10 September, 2008, Lübeck, Germany. pp. 217-226. Available online

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Schmidt, Albrecht, Gellersen, Hans, Hoven, Elise van den, Mazalek, Ali, Holleis, Paul and Villar, Nicolas (eds.) TEI 2008 - Proceedings of the 2nd International Conference on Tangible and Embedded Interaction February 18-20, 2008, Bonn, Germany.

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Hornecker, Eva, Jacob, Robert J. K., Hummels, Caroline, Ullmer, Brygg, Schmidt, Albrecht, Hoven, Elise van den and Mazalek, Ali (2008): TEI goes on: Tangible and Embedded Interaction. In IEEE Pervasive Computing, 7 (2) pp. 91-96

published as part of a larger section titled 'Advances in Tangible Interaction and Ubiquitous Virtual Reality'

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Used on the following page:

» Tangible Interaction: [/encyclopedia/tangible_interaction.html]


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Holleis, Paul and Schmidt, Albrecht (2008): MakeIt: Integrate User Interaction Times in the Design Process of Mobile Applications. In: Indulska, Jadwiga, Patterson, Donald J., Rodden, Tom and Ott, Max (eds.) Pervasive 2008 - Pervasive Computing, 6th International Conference May 19-22, 2008, Sydney, Australia. pp. 56-74. Available online

» 2007 «

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Atterer, Richard and Schmidt, Albrecht (2007): Tracking the interaction of users with AJAX applications for usability testing. In: Proceedings of ACM CHI 2007 Conference on Human Factors in Computing Systems 2007. pp. 1347-1350. Available online

In this paper, we introduce an implementation for detailed monitoring of user actions on web pages. It addresses the problem that the log data recorded by standard web servers is not sufficient for the tracking of users on AJAX websites, e.g. to conduct a usability test. Using standard web technologies, our HTTP proxy can record very detailed usage information, such as mouse movements, clicks, key presses and scrolling, together with the exact HTML DOM tree objects involved. As we show in several case studies, the tracking also works across multiple websites, none of which needs to be under our control. This approach is much less invasive than previous efforts: The test person does not need to install software on her computer, and in certain operation modes, no configuration changes at all are required on her computer. Our research indicates that if the technology described in this paper is employed, arbitrary visitors of a website are more likely to take part in a usability test offered by that site -- this facilitates recruiting test participants over the Internet.

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Holleis, Paul, Otto, Friederike, Hussmann, Heinrich and Schmidt, Albrecht (2007): Keystroke-level model for advanced mobile phone interaction. In: Proceedings of ACM CHI 2007 Conference on Human Factors in Computing Systems 2007. pp. 1505-1514. Available online

The design of applications using mobile devices needs a different quality assessment than those known for desktop applications. Of the many aspects that have to be taken into account, one important criterion is the average time users need to complete a task. For interactions with the mouse, keyboard or touch screens, there exist models that predict interaction times like Fitts' law or the Keystroke-Level Model (KLM). This paper shows parallels to these models for advanced interactions with mobile phones targeted at pervasive services, including near field communication as well as built-in cameras and sensors. Applications can be evaluated with respect to user performance time without having a prototype running on the phone. To accomplish that, we extend the known KLM by identifying basic interaction elements for mobile phones and give estimates for expert user performance derived from several user tests.

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Spiessl, Wolfgang, Villar, Nicolas, Gellersen, Hans and Schmidt, Albrecht (2007): VoodooFlash: authoring across physical and digital form. In: Proceedings of the 1st International Conference on Tangible and Embedded Interaction 2007. pp. 97-100. Available online

Design tools that integrate hardware and software components facilitate product design work across aspects of physical form and user interaction, but at the cost of requiring designers to work with other than their accustomed programming tools. In this paper we introduce VoodooFlash, a tool designed to build on the widespread use of Flash while facilitating design work across physical and digital components. VoodooFlash extends the existing practice of authoring interactive applications in terms of arranging components on a virtual stage, and provides a physical stage on which controls can be arranged, linked to software components, and appropriated with other physical design materials.

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Kranz, Matthias, Schmidt, Albrecht, Maldonado, Alexis, Rusu, Radu Bogdan, Beetz, Michael, Hörnler, Benedikt and Rigoll, Gerhard (2007): Context-aware kitchen utilities. In: Proceedings of the 1st International Conference on Tangible and Embedded Interaction 2007. pp. 213-214. Available online

We report on approaches for context-awareness in a kitchen environment. Two devices, an augmented cutting board and a sensor-enriched knife, enable the environment to determine the type of food handled during the preparation of meals.

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Rukzio, Enrico, Broll, Gregor, Leichtenstern, Karin and Schmidt, Albrecht (2007): Mobile Interaction with the Real World: An Evaluation and Comparison of Physical Mobile Interaction Techniques. In: Schiele, Bernt, Dey, Anind K., Gellersen, Hans, Ruyter, Boris E. R. de, Tscheligi, Manfred, Wichert, Reiner, Aarts, Emile H. L. and Buchmann, Alejandro P. (eds.) Ambient Intelligence European Conference - AmI 2007 November 7-10, 2007, Darmstadt, Germany. pp. 1-18. Available online

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Vetter, Johannes, Hamard, John, Paolucci, Massimo, Rukzio, Enrico and Schmidt, Albrecht (2007): Physical mobile interaction with dynamic physical object. In: Cheok, Adrian David and Chittaro, Luca (eds.) Proceedings of the 9th Conference on Human-Computer Interaction with Mobile Devices and Services - Mobile HCI 2007 September 9-12, 2007, Singapore. pp. 339-340. Available online

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Broll, Gregor, Hamard, John, Paolucci, Massimo, Haarländer, Markus, Wagner, Matthias, Siorpaes, Sven, Rukzio, Enrico, Schmidt, Albrecht and Wiesner, Kevin (2007): Mobile interaction with web services through associated real world objects. In: Cheok, Adrian David and Chittaro, Luca (eds.) Proceedings of the 9th Conference on Human-Computer Interaction with Mobile Devices and Services - Mobile HCI 2007 September 9-12, 2007, Singapore. pp. 319-321. Available online

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Drewes, Heiko, Hußmann, Heinrich and Schmidt, Albrecht (2007): Blickgesten als Fernbedienung. In: Gross, Tom (ed.) Mensch and Computer 2007 September 2-5, 2007, Weimar, Germany. pp. 79-88. Available online

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Kern, Dagmar, Schmidt, Albrecht, Pitz, Michael and Bengler, Klaus (2007): Status- und Kontextinformationen für die Telekommunikation im Auto. In: Gross, Tom (ed.) Mensch and Computer 2007 September 2-5, 2007, Weimar, Germany. pp. 119-128. Available online

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Kern, Nicky, Schiele, Bernt and Schmidt, Albrecht (2007): Recognizing context for annotating a live life recording. In Personal and Ubiquitous Computing, 11 (4) pp. 251-263

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Michahelles, Florian, Thiesse, Frédéric, Schmidt, Albrecht and Williams, John R. (2007): Pervasive RFID and Near Field Communication Technology. In IEEE Pervasive Computing, 6 (3) pp. 94-96

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Drewes, Heiko, Atterer, Richard and Schmidt, Albrecht (2007): Detailed Monitoring of User's Gaze and Interaction to Improve Future E-Learning. In: Stephanidis, Constantine (ed.) Universal Access in Human-Computer Interaction. Ambient Interaction, 4th International Conference on Universal Access in Human-Computer Interaction, UAHCI 2007 Held as Part of HCI International 2007 Beijing, China, July 22-27, 2007 Proceedings, Part II July 22-27, 2007, Beijing, China. pp. 802-811. Available online

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Atterer, Richard, Schmidt, Albrecht and Wnuk, Monika (2007): A Proxy-Based Infrastructure for Web Application Sharing and Remote Collaboration on Web Pages. In: Baranauskas, Maria Cecília Calani, Palanque, Philippe A., Abascal, Julio and Barbosa, Simone Diniz Junqueira (eds.) DEGAS 2007 - Proceedings of the 1st International Workshop on Design and Evaluation of e-Government Applications and Services September 11th, 2007, Rio de Janeiro, Brazil. pp. 74-87. Available online

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Drewes, Heiko and Schmidt, Albrecht (2007): Interacting with the Computer Using Gaze Gestures. In: Baranauskas, Maria Cecília Calani, Palanque, Philippe A., Abascal, Julio and Barbosa, Simone Diniz Junqueira (eds.) DEGAS 2007 - Proceedings of the 1st International Workshop on Design and Evaluation of e-Government Applications and Services September 11th, 2007, Rio de Janeiro, Brazil. pp. 475-488. Available online

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Schmidt, Albrecht, Terrenghi, Lucia and Holleis, Paul (2007): Methods and guidelines for the design and development of domestic ubiquitous computing applications. In Pervasive and Mobile Computing, 3 (6) pp. 721-738

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Broll, Gregor, Siorpaes, Sven, Rukzio, Enrico, Paolucci, Massimo, Hamard, John, Wagner, Matthias and Schmidt, Albrecht (2007): Supporting Mobile Service Usage through Physical Mobile Interaction. In: PerCom 2007 - Fifth Annual IEEE International Conference on Pervasive Computing and Communications 19-23 March, 2007, White Plains, New York, USA. pp. 262-271. Available online

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Schmidt, Albrecht and Terrenghi, Lucia (2007): Methods and Guidelines for the Design and Development of Domestic Ubiquitous Computing Applications. In: PerCom 2007 - Fifth Annual IEEE International Conference on Pervasive Computing and Communications 19-23 March, 2007, White Plains, New York, USA. pp. 97-107. Available online

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Wimmer, Raphael, Kranz, Matthias, Boring, Sebastian and Schmidt, Albrecht (2007): A Capacitive Sensing Toolkit for Pervasive Activity Detection and Recognition. In: PerCom 2007 - Fifth Annual IEEE International Conference on Pervasive Computing and Communications 19-23 March, 2007, White Plains, New York, USA. pp. 171-180. Available online

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Kranz, Matthias, Spiessl, Wolfgang and Schmidt, Albrecht (2007): Designing Ubiquitous Computing Systems for Sports Equipment. In: PerCom 2007 - Fifth Annual IEEE International Conference on Pervasive Computing and Communications 19-23 March, 2007, White Plains, New York, USA. pp. 79-86. Available online

» 2006 «

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Rukzio, Enrico, Leichtenstern, Karin, Callaghan, Victor, Holleis, Paul, Schmidt, Albrecht and Chin, Jeannette Shiaw-Yuan (2006): An Experimental Comparison of Physical Mobile Interaction Techniques: Touching, Pointing and Scanning. In: Dourish, Paul and Friday, Adrian (eds.) UbiComp 2006 Ubiquitous Computing - 8th International Conference September 17-21, 2006, Orange County, CA, USA. pp. 87-104. Available online

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Schmidt, Albrecht (2006): Network alarm clock (The 3AD International Design Competition). In Personal and Ubiquitous Computing, 10 (2) pp. 191-192

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Terrenghi, Lucia, Kranz, Matthias, Holleis, Paul and Schmidt, Albrecht (2006): A cube to learn: a tangible user interface for the design of a learning appliance. In Personal and Ubiquitous Computing, 10 (2) pp. 153-158

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Schmidt, Albrecht, Spiekermann, Sarah, Gershman, Anatole and Michahelles, Florian (2006): Real-World Challenges of Pervasive Computing. In IEEE Pervasive Computing, 5 (3) pp. 91-93

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Atterer, Richard, Wnuk, Monika and Schmidt, Albrecht (2006): Knowing the user's every move: user activity tracking for website usability evaluation and implicit interaction. In: Proceedings of the 2006 International Conference on the World Wide Web 2006. pp. 203-212. Available online

In this paper, we investigate how detailed tracking of user interaction can be monitored using standard web technologies. Our motivation is to enable implicit interaction and to ease usability evaluation of web applications outside the lab. To obtain meaningful statements on how users interact with a web application, the collected information needs to be more detailed and fine-grained than that provided by classical log files. We focus on tasks such as classifying the user with regard to computer usage proficiency or making a detailed assessment of how long it took users to fill in fields of a form. Additionally, it is important in the context of our work that usage tracking should not alter the user's experience and that it should work with existing server and browser setups. We present an implementation for detailed tracking of user actions on web pages. An HTTP proxy modifies HTML pages by adding JavaScript code before delivering them to the client. This JavaScript tracking code collects data about mouse movements, keyboard input and more. We demonstrate the usefulness of our approach in a case study.

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» 2005 «

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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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Butz, Andreas, Kray, Christian, Krüger, Antonio, Schmidt, Albrecht and Prendinger, Helmut (eds.) Proceedings of the 2nd Workshop on Multi-User and Ubiquitous User Interfaces MU3I January 9, 2005, San Diego, USA.

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Gellersen, Hans-Werner, Want, Roy and Schmidt, Albrecht (eds.) PERVASIVE 2005 - Pervasive Computing, Third International Conference May 8-13, 2005, Munich, Germany.

» 2004 «

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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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Schmidt, Albrecht, Kolbl, Thorsten, Wagner, Siegfried and Strassmeier, Walter (2004): Enabling Access to Computers for People with Poor Reading Skills. In: Proceedings of the 8th ERCIM Workshop on User Interfaces for All 2004. p. 96. Available online

Access to information and communication using the Internet is still very limited for people with poor reading skills. Current mainstream web-applications such as email or web-shops are designed for people that have good reading skills. In our research we investigated the use of a web based email system by people with poor reading and writing skills. As literacy is not an absolute concept and peoples abilities differ by a great extent. Recent reports suggest that even in developed countries up to a quarter of the population have only elementary reading skills. In our research we investigate how web applications can be designed to be usable by this group of people. In this paper we report an analysis of a password based logon procedure and suggest an alternative. The development method use is based on the idea of participatory design, includes investigations and studies and lasted over about 4 months. In a study we could show that the login time can be significantly reduced for those users using an image based authentication method. Furthermore it showed that this method can be used by the users without help. For our experience with working with users we suggest general design guidelines for building UIs for people with a low level of literacy.

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Schmidt, Albrecht, Gross, Tom and Billinghurst, Mark (2004): Introduction to Special Issue on Context-Aware Computing in CSCW. In Computer Supported Cooperative Work, 13 (3) pp. 221-222

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Holmquist, Lars Erik, Schmidt, Albrecht and Ullmer, Brygg (2004): Tangible interfaces in perspective. In Personal and Ubiquitous Computing, 8 (5) pp. 291-293

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Block, Florian, Schmidt, Albrecht, Villar, Nicolas and Gellersen, Hans-Werner (2004): Towards a Playful User Interface for Home Entertainment Systems. In: Markopoulos, Panos, Eggen, Berry, Aarts, Emile H. L. and Crowley, James L. (eds.) EUSAI 2004 - Ambient Intelligence - Second European Symposium November 8-11, 2004, Eindhoven, The Netherlands. pp. 207-217. Available online

» 2003 «

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Laerhoven, Kristof van, Villar, Nicolas, Schmidt, Albrecht, Kortuem, Gerd and Gellersen, Hans-Werner (2003): Using an autonomous cube for basic navigation and input. In: Oviatt, Sharon L., Darrell, Trevor, Maybury, Mark T. and Wahlster, Wolfgang (eds.) Proceedings of the 5th International Conference on Multimodal Interfaces - ICMI 2003 November 5-7, 2003, Vancouver, British Columbia, Canada. pp. 203-210. Available online

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Dey, Anind K., Schmidt, Albrecht and McCarthy, Joseph F. (eds.) UbiComp 2003 Ubiquitous Computing - 5th International Conference October 12-15, 2003, Seattle, WA, USA.

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Kern, Nicky, Schiele, Bernt and Schmidt, Albrecht (2003): Multi-sensor Activity Context Detection for Wearable Computing. In: Aarts, Emile H. L., Collier, René, Loenen, Evert van and Ruyter, Boris E. R. de (eds.) EUSAI 2003 - Ambient Intelligence - First European Symposium November 3-4, 2003, Veldhoven, The Netherlands. pp. 220-232. Available online

» 2002 «

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Schmidt, Albrecht, Strohbach, Martin, Laerhoven, Kristof van and Gellersen, Hans-W. (2002): Ubiquitous Interaction -- Using Surfaces in Everyday Environments as Pointing Devices. In: Carbonell, Noelle and Stephanidis, Constantine (eds.) Proceedings of the 7th ERCIM Workshop on User Interfaces for All October 23-25, 2002, Paris, France. pp. 263-279.

To augment everyday environments as interface to computing may lead to more accessible and inclusive user interfaces, exploiting affordances existing in the physical world for interaction with digital functionality. A major challenge for such interfaces is to preserve accustomed uses while providing unobtrusive access to new services. In this paper we discuss augmentation of common surfaces such as tables as generic pointing device. The basic concept is to sense the load, the load changes and the patterns of change observed on a surface using embedded load sensors. We describe the interaction model used to derive pointing actions from basic sensor observations, and detail the technical augmentation of two ordinary tables that we used for our experiments. The technology effectively emulates a serial mouse, and our implementation and use experience prove that it is unobtrusive, robust, and both intuitively and reliably usable.

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Laerhoven, Kristof van, Schmidt, Albrecht and Gellersen, Hans-Werner (2002): Pin&Play: Networking Objects through Pins. In: Borriello, Gaetano and Holmquist, Lars Erik (eds.) UbiComp 2002 Ubiquitous Computing - 4th International Conference September 29 - October 1, 2002, Göteborg, Sweden. pp. 219-228. Available online

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Schmidt, Albrecht, Strohbach, Martin, Laerhoven, Kristof van, Friday, Adrian and Gellersen, Hans-Werner (2002): Context Acquisition Based on Load Sensing. In: Borriello, Gaetano and Holmquist, Lars Erik (eds.) UbiComp 2002 Ubiquitous Computing - 4th International Conference September 29 - October 1, 2002, Göteborg, Sweden. pp. 333-350. Available online

» 2001 «

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Gellersen, Hans-Werner, Richtsteiger, Dirk, Schmidt, Albrecht and Schulz, Karsten (2001): Paper-to-Web: Papier als Eingabemedium für Formulare im World-Wide Web. In: Oberquelle, Horst, Oppermann, Reinhard and Krause, Jürgen (eds.) Mensch and Computer 2001 March 5-8, 2001, Bad Honnef, Germany. . Available online

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Schmidt, Albrecht, Gross, Tom and Frick, Oliver (2001): WAP - Interaktionsdesign und Benutzbarkeit. In: Oberquelle, Horst, Oppermann, Reinhard and Krause, Jürgen (eds.) Mensch and Computer 2001 March 5-8, 2001, Bad Honnef, Germany. . Available online

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Dey, Anind K., Kortuem, Gerd, Morse, David R. and Schmidt, Albrecht (2001): editoral: Situated Interaction and Context-Aware Computing. In Personal and Ubiquitous Computing, 5 (1) pp. 1-3

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Schmidt, Albrecht and Gellersen, Hans-W. (2001): Visitor awareness in the web. In: Proceedings of the 2001 International Conference on the World Wide Web 2001. pp. 745-753. Available online

» 2000 «

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Schmidt, Albrecht (2000): Implicit Human Computer Interaction Through Context. In Personal and Ubiquitous Computing, 4 (2)

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Schmidt, Albrecht, Takaluoma, Antti and Mäntyjärvi, Jani (2000): Context-Aware Telephony Over WAP. In Personal and Ubiquitous Computing, 4 (4) pp. 225-229

» 1999 «

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Schmidt, Albrecht, Aidoo, Kofi Asante, Takaluoma, Antti, Tuomela, Urpo, Laerhoven, Kristof van and Velde, Walter van de (1999): Advanced Interaction in Context. In: Gellersen, Hans-Werner (ed.) Handheld and Ubiquitous Computing - First International Symposium - HUC99 September 27-29, 1999, Karlsruhe, Germany. pp. 89-101. Available online

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Schmidt, Albrecht, Gellersen, Hans-Werner and Beigl, Michael (1999): Matching Information and Ambient Media. In Personal and Ubiquitous Computing, 3 (4)

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Gaedke, Martin, Gellersen, Hans-Werner, Schmidt, Albrecht, Stegemüller, Ulf and Kurr, Wolfgang (1999): Object-oriented Web Engineering for Large-scale Web Service Management. In: HICSS 1999 1999. . Available online

» 1998 «

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Beigl, Michael, Schmidt, Albrecht, Lauff, Markus and Gellersen, Hans-W. (1998): The UbicompBrowser. In: Stephanidis, Constantine and Waern, Annika (eds.) Proceedings of the 4th ERCIM Workshop on User Interfaces for All October 19-21, 1998, Stockholm, Sweden. p. 12. Available online

In this paper we introduce the UbicompBrowser, a system that applies ubiquitous computing to the World-Wide Web. The UbicompBrowser extends the World-Wide Web in two ways into our everyday environments. First, it extends the browser concept by replacing the standard web user interface with a handheld access and control device and surrounding output devices. This ubiquitous user interface is determined dynamically based on the location of the handheld control. Secondly, the UbicompBrowser system extends the web concept of uniform access to resources by applying the same access method, uniform resource identifiers, to environment-specific resources, for example for access to the TV channels available on a TV set, and for access to light switches. In summary, the UbicompBrowser improves web accessibility by realizing a ubiquitous environment-based user interface, and by extending accessibility to environment-specific resources. The approach constitutes a user interface for all flexibly adapted to their environment, interfacing both global resources in the web and local resources in a given user environment.

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Changes to this page (author)

24 Feb 2010: Enabled abstracts to be shown on Albrecht Schmidt's author page.
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24 Aug 2009: Author was edited
24 Aug 2009: Author was edited
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Publication statistics

Publication period:1998-2009
Publication count:60
Number of co-authors:103



Productive colleagues

Albrecht Schmidt's 3 most productive colleagues in number of publications:

Mark Billinghurst:70
Robert J. K. Jacob:49
Anind K. Dey:47


Collaboration count

Number of publications with 3 favourite co-authors:

Paul Holleis:9
Hans-Werner Gellersen:8
Enrico Rukzio:7

 

Other options

Learn more about Albrecht Schmidt:
- Google Scholar
- ACM
- CSB

Mar 18

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URL: http://www.interaction-design.org/references/authors/albrecht_schmidt.html