@inproceedings{4395, abstract = {{This paper presents the evaluation of a mixed reality communication system for the home domain, called roomXT. The system uses a wall-sized display that is seamlessly integrated into a living lab, to create a 'life-like' video communication experience. In order to demonstrate the potential of this approach, we conducted a living lab study comparing the developed prototype with a desktop-based system. A special video communication application, which enables spatially separated users to have a joint dinner experience, served as a common basis for the different test conditions. Results of the study show that the overall concept of roomXT was well eceived by users of a wide age range and that the developed prototype system seems to be preferred to commercially available video communication solutions with respect to the tested quality dimensions.}}, author = {{Kasugai, Kai and Heidrich, Felix and Röcker, Carsten and Russell, Peter and Ziefle, Martina}}, booktitle = {{Proceedings of the 2012 International Symposium on Pervasive Displays}}, editor = {{José, Rui}}, isbn = {{978-145-031-414-5 }}, keywords = {{human-computer interaction, mixed-reality, large displays, co-dining, interactive media, family communication, co-presence, architecture}}, location = {{Porto, Portugal }}, pages = {{1--6}}, publisher = {{ACM}}, title = {{{Perspective Views in Video Communication Systems: An Analysis of Fundamental User Requirements}}}, doi = {{10.1145/2307798.2307811}}, year = {{2012}}, } @article{4396, abstract = {{This paper presents a set of design recommendations for team awareness systems based on fundamental social and technical requirements. The work was motivated by recurring usability problems identified in evaluations of state-of-the-art awareness systems. Based on these findings, it is argued that the limited success of existing systems is mostly caused by conceptual shortcomings, which can be overcome by adhering to a set of design recommendations elaborated in this paper. To demonstrate the validity of this argumentation, the development and evaluation of an ambient awareness system is illustrated.}}, author = {{Röcker, Carsten}}, issn = {{1615-5289}}, journal = {{Universal access in the information society : international journal}}, keywords = {{Ambient intelligence, Ubiquitous computin, Awareness, Informal communication, Distributed teamwork}}, number = {{3}}, pages = {{259 -- 271}}, title = {{{Universal access to awareness information: using smart artefacts to mediate awareness in distributed teams}}}, doi = {{10.1007/s10209-011-0237-9}}, volume = {{11}}, year = {{2012}}, } @misc{10153, abstract = {{This paper deals with a performance evaluation of a Bluetooth based industrial real-time sensor actuator interface for stationary and mobile applications. The investigations were carried out in harsh industrial environments in the presence of parasitic machine emissions, intentional and unintentional interferers. The air paths were obstructed by moving machine parts and daily work traffic. As a result we can conclude, that wireless automation systems based on Bluetooth technology are extremely reliable due to their inherent system features like adaptive frequency hopping at high operating frequencies, error detection and correction. Neither parasitic machine emissions nor other radio systems or transceiver movements can impair the transmission, as long as distances are below 30 m}}, author = {{Meier, Uwe and Witte, Stefan and Helmig, Kai and Höing, Michael and Schnückel, Markus and Krause, Herrmann}}, booktitle = {{12th IEEE Conference in Emerging Technologies and Factory Automation (ETFA 2007 Proceedings)}}, isbn = {{978-1-4244-0825-2 }}, keywords = {{Bluetooth, mobile communication, performance evaluation, telecommunication traffic}}, location = {{Patras, Greece}}, pages = {{33--37}}, publisher = {{IEEE}}, title = {{{Performance Evaluation and Prediction of a Bluetooth Based Real-Time Sensor Actuator System in Harsh Industrial Environments}}}, doi = {{10.1109/EFTA.2007.4416750}}, year = {{2007}}, } @inbook{4774, abstract = {{The manifolds of spaces and places we are entering, populating, transiently crossing and eventually leaving (only to immerse in another subsequent context) as part of our daily activities in our personal, public and professional lives are undergoing a dramatic change. Although this change is taking place we are aware of it only in a limited fashion due to its unobtrusive character as illustrated in the statement by Streitz and Nixon (2005): “It seems like a paradox but it will soon become reality: The rate at which computers disappear will be matched by the rate at which information technology will increasingly permeate our environment and our lives”.}}, author = {{Streitz, Norbert and Prante, Thorsten and Röcker, Carsten and van Alphen, Daniel and Stenzel, Richard and Magerkurth, Carsten and Lahlou, Saadi and Nosulenko, Valery and Jegou, Francois and Sonder, Frank and Plewe, Daniela}}, booktitle = {{The Disappearing Computer : Interaction Design, System Infrastructures and Applications for Smart Environments}}, editor = {{Streitz, Norbert and Kameas, Achilles and Mavrommati, Irene}}, isbn = {{978-3-540-72725-5}}, keywords = {{Informal Communication, Local Mobility, Computer Support Cooperative Work, Smart Environment, Smart Space}}, pages = {{3--29}}, publisher = {{Springer}}, title = {{{Smart Artefacts as Affordances for Awareness in Distributed Teams}}}, doi = {{10.1007/978-3-540-72727-9_1}}, volume = {{4500}}, year = {{2007}}, } @article{4825, abstract = {{A set of designer guidelines from the European Union offers the first step in building privacy-aware systems.}}, author = {{Lahlou, Saadi and Langheinrich, Marc and Röcker, Carsten}}, issn = {{1557-7317}}, journal = {{Communications of the ACM}}, keywords = {{Communication hardware, interfaces and storage, Computing / technology policy}}, number = {{3}}, pages = {{59 – 60}}, publisher = {{ACM}}, title = {{{Privacy and Trust Issues with Invisible Computers}}}, doi = {{10.1145/1047671.1047705}}, volume = {{48}}, year = {{2005}}, } @inbook{4829, abstract = {{In this paper, we address three major issues, look at their interaction and combination and present our results on how to arrive at solutions for these issues. The issues are: 1) supporting informal communication and atmosphere in organisations, 2) the role and potential of ambient displays in future work environments, and 3) the combination of mostly static artefacts that are integrated in the architectural environment with mobile devices carried by people. Our results can be considered as steps towards the design and realization of what we call “social architectural spaces” in the context of future work environments. These environments will be populated with a range of different smart artefacts that are designed to facilitate awareness and notification as well as informal communication. We address a range of spaces in office buildings including public spaces, e.g., in the hallway, the foyer, and the cafeteria that have not been the focus of research so far. In particular, we present two artefacts: the Hello.Wall, a wall-size large ambient display, and the ViewPort, a mobile handheld device. They are interacting with each other via wireless networks and different types of sensing technology. The artefacts and the software were developed in the EU-funded “Disappearing Computer”- project “Ambient Agoras: Dynamic Information Clouds in a Hybrid Worlds”.}}, author = {{Streitz, Norbert and Prante, Thorsten and Röcker, Carsten and van Alphen, Daniel and Magerkurth, Carsten and Stenzel, Richard and Plewe, D. A.}}, booktitle = {{Public and Situated Displays Social and Interactional Aspects of Shared Display Technologies}}, editor = {{O'Hara, K. and Perry, Mark and Churchill, E. and Russell, D.}}, isbn = {{978-90-481-6449-3 }}, keywords = {{ambient displays, mobile devices, informal communication, atmosphere, social architectural space, ubiquitous computing}}, pages = {{387 – 409}}, publisher = {{Springer }}, title = {{{Ambient Displays and Mobile Devices for the Creation of Social Architectural Spaces: Supporting Informal Communication and Social Awareness in Organizations}}}, doi = {{10.1007/978-94-017-2813-3_16}}, volume = {{2}}, year = {{2003}}, }