Publication statistics

Pub. period:2005-2012
Pub. count:49
Number of co-authors:57



Co-authors

Number of publications with 3 favourite co-authors:

Robert Hardy:9
John Hamard:8
Gregor Broll:8

 

 

Productive colleagues

Enrico Rukzio's 3 most productive colleagues in number of publications:

Albrecht Schmidt:110
Hans-Werner Geller..:73
Matt Jones:63
 
 
 

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Enrico Rukzio

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Publications by Enrico Rukzio (bibliography)

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2012
 
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Schmidt, Dominik, Seifert, Julian, Rukzio, Enrico and Gellersen, Hans-Werner (2012): A cross-device interaction style for mobiles and surfaces. In: Proceedings of DIS12 Designing Interactive Systems 2012. pp. 318-327.

Natural forms of interaction have evolved for personal devices that we carry with us (mobiles) as well as for shared interactive displays around us (surfaces) but interaction across the two remains cumbersome in practice. We propose a novel cross-device interaction style for mobiles and surfaces that uses the mobile for tangible input on the surface in a stylus-like fashion. Building on the direct manipulation that we can perform on either device, it facilitates fluid and seamless interaction spanning across device boundaries. We provide a characterization of the combined interaction style in terms of input, output, and contextual attributes, and demonstrate its versatility by implementation of a range of novel interaction techniques for mobile devices on interactive surfaces.

© All rights reserved Schmidt et al. and/or ACM Press

2011
 
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Dachselt, Raimund, Jones, Matt, Hkkil, Jonna, Lchtefeld, Markus, Rohs, Michael and Rukzio, Enrico (2011): Mobile and personal projection (MP2). In: Proceedings of ACM CHI 2011 Conference on Human Factors in Computing Systems 2011. pp. 21-23.

The emergence of mobile and personal projection devices promises new ways to display and interact with content while the user is mobile, and offer new opportunities and challenges for HCI. This workshop aims to formulate fundamental research questions around this emerging field and provides a venue for discussion for researchers and practitioners working in this area. We will focus on new interaction techniques, applications, personal projection devices, interaction design, multi-user aspects, multi-modal user interfaces and social implications. Our aim is to foster the evolution of a mobile and personal projection community.

© All rights reserved Dachselt et al. and/or their publisher

 
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Winkler, Christian, Reinartz, Christian, Nowacka, Diana and Rukzio, Enrico (2011): Interactive phone call: synchronous remote collaboration and projected interactive surfaces. In: Proceedings of the 2011 ACM International Conference on Interactive Tabletops and Surfaces 2011. pp. 61-70.

Smartphones provide large amounts of personal data, functionalities, and apps and make a substantial part of our daily communication. But during phone calls the phone cannot be used much beyond voice communication and does not offer support for synchronous collaboration. This is owed to the fact that first, despite the availability of alternatives, the phone is typically held at one's ear; and second that the small mobile screen is less suited to be used with existing collaboration software. This paper presents a novel in-call collaboration system that leverages projector phones as they provide a large display that can be used while holding the phone to the ear to project an interactive interface anytime and anywhere. The system uses a desktop metaphor user interface and provides a private and a shared space, live mirroring of the shared space and user defined access rights to shared content. We evaluated the system in a comparative user study. The results of the user study highlight the general benefits of synchronous in-call collaboration and in particular the advantages of the projected display and our developed concepts. Our findings inform future designers of synchronous remote collaboration software for interactive surfaces.

© All rights reserved Winkler et al. and/or ACM Press

 
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Seifert, Julian, Pfleging, Bastian, Bahamndez, Elba del Carmen Valderrama, Hermes, Martin, Rukzio, Enrico and Schmidt, Albrecht (2011): MobiDev: a tool for creating apps on mobile phones. In: Proceedings of 13th Conference on Human-computer interaction with mobile devices and services 2011. pp. 109-112.

Currently, the development of mobile applications heavily relies on using conventional computers as development platform. MobiDev enables people in emerging countries without access to a computer but to a cell phone to develop their own locally relevant applications. The goal of the Mo-biDev project is to simplify development and deployment of applications directly on mobile phones. As a first step, we focus on the design of applications and try to support the computer science curriculum in developing countries to bootstrap the mobile developer culture and community. MobiDev allows the creation of graphical user interfaces (GUI) using various concepts. We present the results of a first system evaluation that show how people perceive the concepts for UI creation of MobiDev.

© All rights reserved Seifert et al. and/or ACM Press

 
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Henze, Niels, Rukzio, Enrico and Boll, Susanne (2011): 100,000,000 taps: analysis and improvement of touch performance in the large. In: Proceedings of 13th Conference on Human-computer interaction with mobile devices and services 2011. pp. 133-142.

Touchscreens became the dominant input device for smartphones. Users' touch behaviour has been widely studied in lab studies with a relative low number of participants. In contrast, we published a game in the Android Market that records the touch behaviour when executing a controlled task to collect large amounts of touch events. Players' task is to simply touch circles appearing on the screen. Data from 91,731 installations has been collected and players produced 120,626,225 touch events. We determined the error rates for different target sizes and screen locations. The amount of data enabled us to show that touch positions are systematically skewed. A compensation function that shifts the users' touches to reduce the amount of errors is derived from the data and evaluated by publishing an update of the game. The independent-measures experiment with data from 12,201 installations and 15,326,444 touch events

© All rights reserved Henze et al. and/or ACM Press

 
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Hardy, Robert, Rukzio, Enrico, Holleis, Paul and Wagner, Matthias (2011): MyState: sharing social and contextual information through touch interactions with tagged objects. In: Proceedings of 13th Conference on Human-computer interaction with mobile devices and services 2011. pp. 475-484.

Sharing social and contextual information via services like Facebook, Twitter or Foursquare has become extremely popular in the recent years. This paper introduces the novel MyState concept in which users can augment any kind of object with Near Field Communication (NFC) tags, can write any social or contextual information on those tags using their mobile phones and can publish this information on a social networking site just by touching such a tag with their phone. The distinct features of MyState are A) the possibility to augment any personal or public object with any contextual or social information, B) the possibility that everybody can touch those tags in order to post the related information to a social networking site, C) the speed and convenience to publish information by a simple touch as users don't have to look at the mobile phone screen, interact with mobile phone menus or write any text when touching an already deployed tag. The paper reports on two field studies which provide insights on where the participants placed the tags, how they used MyState and what type of information was shared. Here we observed that users typically shared identity, location, activity and time, but also feelings, social meanings and experiences. Furthermore we identified several distinct social usage patterns such as synchronizing activities, expressing moods, games and tracking shared items.

© All rights reserved Hardy et al. and/or ACM Press

 
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Rmelin, Sonja, Rukzio, Enrico and Hardy, Robert (2011): NaviRadar: a novel tactile information display for pedestrian navigation. In: Proceedings of the 2011 ACM Symposium on User Interface Software and Technology 2011. pp. 293-302.

We introduce NaviRadar: an interaction technique for mobile phones that uses a radar metaphor in order to communicate the user's correct direction for crossings along a desired route. A radar sweep rotates clockwise and tactile feedback is provided where each sweep distinctly conveys the user's current direction and the direction in which the user must travel. In a first study, we evaluated the overall concept and tested five different tactile patterns to communicate the two different directions via a single tactor. The results show that people are able to easily understand the NaviRadar concept and can identify the correct direction with a mean deviation of 37 out of the full 360 provided. A second study shows that NaviRadar achieves similar results in terms of perceived usability and navigation performance when compared with spoken instructions. By using only tactile feedback, NaviRadar provides distinct advantages over current systems. In particular, no visual attention is required to navigate; thus, it can be spent on providing greater awareness of one's surroundings. Moreover, the lack of audio attention enables it to be used in noisy environments or this attention can be better spent on talking with others during navigation.

© All rights reserved Rmelin et al. and/or ACM Press

2010
 
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Schildbach, Bastian and Rukzio, Enrico (2010): Investigating selection and reading performance on a mobile phone while walking. In: Proceedings of 12th Conference on Human-computer interaction with mobile devices and services 2010. pp. 93-102.

More and more people interact with their mobile phone while walking. The presented research analyzes; firstly, the negative effect of walking when considering reading and target selection tasks, such as weaker performance and higher workload. Here, we focused on one-handed interaction with a touch screen whereby the thumb is used as the input device. Secondly, we analyze how these negative effects can be compensated by increasing the text size and the size of the targets to select on the mobile phone. A comparative user study was conducted with 16 participants who performed target acquisition and reading tasks while standing and walking. The results show that whilst performance decreases, cognitive load increases significantly when reading and selecting targets when walking. Furthermore, the results show that the negative effect regarding target selection can be compensated by increasing the target size, but the text reading task did not yield better performance results for a larger text size due to the increased demand for scrolling. These results can be used to inform future designs of mobile user interfaces which might provide a dedicated walking mode.

© All rights reserved Schildbach and Rukzio and/or their publisher

 
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Hardy, Robert, Rukzio, Enrico, Holleis, Paul and Wagner, Matthias (2010): Mobile interaction with static and dynamic NFC-based displays. In: Proceedings of 12th Conference on Human-computer interaction with mobile devices and services 2010. pp. 123-132.

This paper reports on a development framework, two prototypes, and a comparative study in the area of multi-tag Near-Field Communication (NFC) interaction. By combining NFC with static and dynamic displays, such as posters and projections, services are made more visible and allow users to interact with them easily by interacting directly with the display with their phone. In this paper, we explore such interactions, in particular, the combination of the phone display and large NFC displays. We also compare static displays and dynamic displays, and present a list of deciding factors for a particular deployment situation. We discuss one prototype for each display type and developed a corresponding framework which can be used to accelerate the development of such prototypes whilst supporting a high level of versatility. The findings of a controlled comparative study indicate, among other things, that all participants preferred the dynamic display, although the static display has advantages, e.g. with respect to privacy and portability.

© All rights reserved Hardy et al. and/or their publisher

 
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Kawsar, Fahim, Rukzio, Enrico and Kortuem, Gerd (2010): An explorative comparison of magic lens and personal projection for interacting with smart objects. In: Proceedings of 12th Conference on Human-computer interaction with mobile devices and services 2010. pp. 157-160.

One shortcoming of self-describing smart objects augmented with digital resources is the limitation of output modalities due to their long established physical appearances. To overcome this drawback intangible representations e.g., sound, video projection etc. are usually coupled with the tangible representations of smart objects that enable access and interaction with their value added features. In this paper, we explore two mobile interaction techniques that associate such intangible representation to smart objects using a pico projector augmented camera phone. The first technique utilizes a Magic Lens metaphor applying mobile augmented reality (contextual information is overlaid while looking at a smart object through camera) to uncover and interact with smart objects. The second technique, Personal Projection follows similar mechanisms in discovery and interaction, except information is projected onto the nearest surface. We report the implementation of these two techniques and a comparative qualitative study with three prototype smart object applications. The findings give us deeper insights on the positive and negative aspects of these two techniques and open up a range of stimulating research issues that we discuss in the paper.

© All rights reserved Kawsar et al. and/or their publisher

 
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Chehimi, Fadi and Rukzio, Enrico (2010): Throw your photos: an intuitive approach for sharing between mobile phones and interactive tables. In: Proceedings of the 2010 International Conference on Uniquitous Computing 2010. pp. 443-444.

Many approaches have been proposed to connect mobile phones with interactive tables. Most rely on having the phone placed on table all times, which may hinder the overall user experience with applications on phones in general and with photo sharing ones in particular: privacy, intuitiveness of use, and technology limits are on stake. We introduce in this paper an approach which allows users to have the phone in hand when interacting with photo manipulation applications on tables, supported with natural gestures of throwing photos off the phone onto the table and dragging them into it to enhance the connected relationship between the two physical entities even when placed apart.

© All rights reserved Chehimi and Rukzio and/or their publisher

 
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Hardy, Robert, Rukzio, Enrico, Holleis, Paul, Broll, Gregor and Wagner, Matthias (2010): MyState: using NFC to share social and contextual information in a quick and personalized way. In: Proceedings of the 2010 International Conference on Uniquitous Computing 2010. pp. 447-448.

Sharing social or contextual information on a social networking site is typically a quick and easy process using a laptop or desktop. However, on many occasions, the need to share this information will occur away from a computer. As an alternative, a mobile phone could be used. However, inputting the information via the phone can be time-consuming and even intrude on the user's other tasks. This will increase the likelihood that the information is lost or retrospective. By tagging physical objects using Near-Field Communication (NFC) technology, MyState provides a way for users to make the environment (to which the information is associated) interactive. By simply touching these objects with their NFC phone, they can quickly and conveniently publish this information to the virtual world. A Facebook application was used to exemplify the concept and explore the different ways in which users personalize these tagged interfaces to address their own needs.

© All rights reserved Hardy et al. and/or their publisher

 
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Schmidt, Dominik, Chehimi, Fadi, Rukzio, Enrico and Gellersen, Hans-Werner (2010): PhoneTouch: a technique for direct phone interaction on surfaces. In: Proceedings of the 2010 ACM Symposium on User Interface Software and Technology 2010. pp. 13-16.

PhoneTouch is a novel technique for integration of mobile phones and interactive surfaces. The technique enables use of phones to select targets on the surface by direct touch, facilitating for instance pick&drop-style transfer of objects between phone and surface. The technique is based on separate detection of phone touch events by the surface, which determines location of the touch, and by the phone, which contributes device identity. The device-level observations are merged based on correlation in time. We describe a proof-of-concept implementation of the technique, using vision for touch detection on the surface (including discrimination of finger versus phone touch) and acceleration features for detection by the phone.

© All rights reserved Schmidt et al. and/or their publisher

 
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Rukzio, Enrico, Zimmermann, Andreas, Henze, Niels and Righetti, Xavier (2010): Guest editorial Preface Mobile Interaction with the Real World: Introduction to the Special Issue. In International Journal of Mobile Human Computer Interaction, 2 (3) pp. i-v.

 
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Greaves, Andrew and Rukzio, Enrico (2010): View and Share: Exploring Co-Present Viewing and Sharing of Pictures using Personal Projection. In International Journal of Mobile Human Computer Interaction, 2 (3) pp. 15-30.

Co-present viewing and sharing of images on mobile devices is a popular but very cumbersome activity. Firstly, it is difficult to show a picture to a group of friends due to the small mobile phone screen and secondly it is difficult to share media between multiple friends, e.g., when considering Bluetooth usage and technical limitations, limited input and repeated user interactions. This paper introduces the View&Share system which allows mobile phone users to spontaneously form a group and engage in the viewing and sharing of images. A member of the group has a personal projector (e.g., projector phone) which is used to view pictures collaboratively. View&Share supports sharing with a single user, multiple users or all users, allows members to borrow the projected display and provides a private viewing mode between co-located users. This paper reports on the View&Share system, its implementation and an explorative user study with 12 participants showing the advantages of our system and user feedback.

© All rights reserved Greaves and Rukzio and/or their publisher

2009
 
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Rukzio, Enrico, Mller, Michael and Hardy, Robert (2009): Design, implementation and evaluation of a novel public display for pedestrian navigation: the rotating compass. In: Proceedings of ACM CHI 2009 Conference on Human Factors in Computing Systems 2009. pp. 113-122.

Important drawbacks of map-based navigation applications for mobile phones are their small screen size and that users have to associate the information provided by the mobile phone with the real word. Therefore, we designed, implemented and evaluated the Rotating Compass -- a novel public display for pedestrian navigation. Here, a floor display continuously shows different directions (in a clockwise order) and the mobile phone informs the user when their desired direction is indicated. To inform the user, the mobile phone vibrates in synchronization with the indicated direction. We report an outdoor study that compares a conventional paper map, a navigation application running on a mobile device, navigation information provided by a public display, and the Rotating Compass. The results provide clear evidence of the advantages of the new interaction technique when considering task completion time, context switches, disorientation events, usability satisfaction, workload and multi-user support.

© All rights reserved Rukzio et al. and/or ACM Press

 
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Lorenz, Andreas, Castro, Clara Fernandez De and Rukzio, Enrico (2009): Using handheld devices for mobile interaction with displays in home environments. In: Proceedings of 11th Conference on Human-computer interaction with mobile devices and services 2009. p. 18.

An increasing number of households are equipped with a large number of TV sets and more and more of them are large high-resolution displays. Furthermore, we see the integration of web browsing and email functionalities in these devices, which are then often controlled via a wireless mouse and keyboard. The latter were rather designed for the usage on a desk, rather then by a person sitting on their sofa in a living room. Therefore, this paper investigates the usage of a PDA, as a replacement which can be used for controlling a remote cursor and for text input. The results of the experimental comparison of these input devices show, as expected, the superiority of mouse and keyboard (as the study participants were very experienced with them). Surprising results were the task completion time and usability satisfaction when using the mobile device. These results show the applicability of using a mobile device for controlling an application on a remote screen. Using a mobile device provides the advantages that every person can e.g. use their own mobile phone or that these devices can be used in multi-user scenarios.

© All rights reserved Lorenz et al. and/or their publisher

 
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Seewoonauth, Khoovirajsingh, Rukzio, Enrico, Hardy, Robert and Holleis, Paul (2009): Touch & connect and touch & select: interacting with a computer by touching it with a mobile phone. In: Proceedings of 11th Conference on Human-computer interaction with mobile devices and services 2009. p. 36.

Exchanging data between a mobile phone and a computer such as a laptop is still a very cumbersome process. This paper presents two different techniques, touch&connect and touch&select, designed help to overcome this problem and facilitate and speed up spontaneous interactions between such devices. Using touch&connect, the user can physically touch a computer in order to pair a Bluetooth connection and initiate a file transfer between these two devices. Touch&select extends this concept in that users can select a specific object or location on the computer screen by simply touching it with the mobile phone. We report the implementation of these interaction techniques based on Near Field Communication (NFC) tags and present a formal, comparative study focusing on transferring images. The results provide clear evidence of the advantages of touch&connect and touch&select when compared with current Bluetooth-based implementations. Considering task completion time for uploading and downloading pictures, touch&select was 43% and touch&connect 31% faster than the conventional Bluetooth-based approach.

© All rights reserved Seewoonauth et al. and/or their publisher

 
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Seewoonauth, Khoovirajsingh, Rukzio, Enrico, Hardy, Robert and Holleis, Paul (2009): Two NFC interaction techniques for quickly exchanging pictures between a mobile phone and a computer. In: Proceedings of 11th Conference on Human-computer interaction with mobile devices and services 2009. p. 39.

Uploading and downloading pictures between a mobile phone and a computer is still a very cumbersome process. Because of this, many users actually do not copy, move or backup their pictures onto another computer until the storage capacity of the mobile phone is reached. This paper presents the prototypes (and respective implementation details) of the touch&connect and touch&select interaction techniques. Both techniques allow the quick and easy exchange of pictures by touching the computer with the mobile device. The first interaction technique: touch&connect, allows the user to touch a computer with their mobile phone in order to establish a Bluetooth connection and initiate a file transfer between the two devices. The second interaction technique: touch&select, extends this concept and allows the selection of a specific picture or location on the computer screen by touching it with the mobile phone. The interaction techniques were implemented using Near Field Communication (NFC) tags attached to the computer and an NFC phone capable of reading those tags.

© All rights reserved Seewoonauth et al. and/or their publisher

 
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Greaves, Andrew and Rukzio, Enrico (2009): View & share: supporting co-present viewing and sharing of media using personal projection. In: Proceedings of 11th Conference on Human-computer interaction with mobile devices and services 2009. p. 44.

Viewing and sharing media on mobile devices are popular scenarios, however, the limited screen size results in multiple users having to gather around a single display leading to an undesirable viewing experience. Similarly, sharing a single image with a single person is cumbersome and requires several steps to complete. This demonstration paper presents an approach in which a mobile phone is coupled with a personal projector to overcome the output limitations of mobile phones. The large mobile projected display allows several users to simultaneously view media. We also present a group based sharing approach allowing users to intuitively and easily share media between mobile devices. We reverse the typical role of sharing and introduce a technique whereby the receiver of the media is responsible for performing the sharing interaction. This allows sharing with a single member or multiple members of the group. Sharing with every member of the group is also easily possible.

© All rights reserved Greaves and Rukzio and/or their publisher

 
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Zimmermann, Andreas, Henze, Niels, Righetti, Xavier and Rukzio, Enrico (2009): Mobile Interaction with the Real World. In: Proceedings of 11th Conference on Human-computer interaction with mobile devices and services 2009. p. 106.

The workshop on Mobile Interaction with the Real World (MIRW 2009) will invite papers which focus on new mobile and wearable input and output interfaces which allow simpler and straightforward interactions with mobile services and applications. An inherit problem of current mobile devices are their limited output and input capabilities. This workshop continues a successful series of workshops (2006-2008) that focus on new approaches to overcome these issues. Examples are the usage of external visual interfaces (e.g. projector phones, public displays, interactive surfaces) and additional input capabilities (e.g. gestures, on-body interfaces, pointing) and innovative feedback mechanisms (e.g. tactile feedback). The workshop combines technical presentations with the presentation of prototypes and focused discussions to drive interaction between participants.

© All rights reserved Zimmermann et al. and/or their publisher

2008
 
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Broll, Gregor, Haarlnder, 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, Gerhuser, Heinz, Pflaum, Alexander, Schmidt, Janina and Wichert, Reiner (eds.) Ambient Intelligence - European Conference - AmI 2008 November 19-22, 2008, Nuremberg, Germany. pp. 175-191.

 
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Henze, Niels, Broll, Gregor, Rukzio, Enrico, Rohs, Michael, Zimmermann, Andreas and Boll, Susanne (eds.) Mobile Interaction with the Real World 2008 - MIRW 2008 - Mobile HCI Workshop September 2, 2008, Amsterdam, The Netherland.

 
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Greaves, Andrew and Rukzio, Enrico (2008): View & Share: A Collaborative Media Viewing and Sharing Framework using a Projector Phone. In: Henze, Niels, Broll, Gregor, Rukzio, Enrico, Rohs, Michael, Zimmermann, Andreas and Boll, Susanne (eds.) Mobile Interaction with the Real World 2008 - MIRW 2008 - Mobile HCI Workshop September 2, 2008, Amsterdam, The Netherland. pp. 39-50.

 
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Henze, Niels, Broll, Gregor, Rukzio, Enrico, Rohs, Michael and Zimmermann, Andreas (2008): Workshop on Mobile Interaction with the Real World. In: Henze, Niels, Broll, Gregor, Rukzio, Enrico, Rohs, Michael, Zimmermann, Andreas and Boll, Susanne (eds.) Mobile Interaction with the Real World 2008 - MIRW 2008 - Mobile HCI Workshop September 2, 2008, Amsterdam, The Netherland. pp. 9-14.

 
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Hardy, Robert and Rukzio, Enrico (2008): Touch & interact: touch-based interaction of mobile phones with displays. 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. 245-254.

 
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Henze, Niels, Rukzio, Enrico, Lorenz, Andreas, Righetti, Xavier and Boll, Susanne (2008): Physical-virtual linkage with contextual bookmarks. 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. 523-526.

 
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Hang, Alina, Rukzio, Enrico and Greaves, Andrew (2008): Projector phone: a study of using mobile phones with integrated projector for interaction with maps. 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. 207-216.

 
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Gostner, Roswitha, Rukzio, Enrico and Gellersen, Hans-Werner (2008): Usage of spatial information for selection of co-located devices. 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. 427-430.

 
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Greaves, Andrew and Rukzio, Enrico (2008): Evaluation of picture browsing using a projector phone. 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. 351-354.

 
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Greaves, Andrew, Hang, Alina and Rukzio, Enrico (2008): Picture browsing and map interaction using a projector phone. 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. 527-530.

 
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Hardy, Robert and Rukzio, Enrico (2008): Touch & Interact: touch-based interaction with a tourist application. 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. 531-534.

 
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Henze, Niels, Broll, Gregor, Rukzio, Enrico, Rohs, Michael and Zimmermann, Andreas (2008): Mobile interaction with the real world. 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. 563-565.

 
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Henze, Niels, Reiners, Rene, Righetti, Xavier, Rukzio, Enrico and Boll, Susanne (2008): Services surround you. In The Visual Computer, 24 (7) pp. 847-855.

 
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Rukzio, Enrico, Noda, Chie, Luca, Alexander De, Hamard, John and Coskun, Fatih (2008): Automatic form filling on mobile devices. In Pervasive and Mobile Computing, 4 (2) pp. 161-181.

2007
 
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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-Werner, 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.

 
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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.

 
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Broll, Gregor, Hamard, John, Paolucci, Massimo, Haarlnder, 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.

 
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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.

2006
 
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Rukzio, Enrico, Hamard, John, Noda, Chie and Luca, Alexander De (2006): Visualization of uncertainty in context aware mobile applications. In: Proceedings of 8th conference on Human-computer interaction with mobile devices and services 2006. pp. 247-250.

Context-aware mobile applications and systems have been extensively explored in the last decade and in the last few years we already saw promising products on the market. Most of these applications assume that context data is highly accurate. But in practice this information is often unreliable, especially when gathered from sensors or external sources. Previous research has argued that the system usability can be improved by displaying the uncertainty to the user. The research presented in this paper shows that it is not always an advantage to show the confidence of the context-aware application to the user. We developed a system for automatic form filling on mobile devices which fills in any web form with user data stored on the mobile device. The used algorithm generates rules which indicate with which probability which input field of a form should be filled in with which value. Based on this we developed two versions of our system. One shows the uncertainty of the system and one not. We then conducted a user study which shows that the user needs slightly more time and produces slightly more errors when the confidence of the system is visualized.

© All rights reserved Rukzio et al. and/or ACM Press

 
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Rukzio, Enrico, Paolucci, Massimo, Finin, Tim, Wisner, Paul and Payne, Terry (2006): Mobile interaction with the real world. In: Proceedings of 8th conference on Human-computer interaction with mobile devices and services 2006. pp. 295-296.

The main goal of the workshop is to discuss approaches that use a mobile device (e.g. mobile phone, smartphone, PDA) for interactions with objects in the real world. Relevant topics include (but are not limited to) mobile interaction with the real world; mobile devices as user interfaces for terminals and vending machines; and Frameworks, middleware and APIs for the development of applications that take mobile interactions with the real world into account. The workshop combines technical presentations with the presentation of prototypes and focussed discussions to drive interaction between participants.

© All rights reserved Rukzio et al. and/or ACM Press

 
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Rukzio, Enrico, Hamard, John, Noda, Chie and Luca, Alexander De (2006): Visualization of uncertainty in context aware mobile applications. In: Nieminen, Marko and Rykkee, Mika (eds.) Proceedings of the 8th Conference on Human-Computer Interaction with Mobile Devices and Services - Mobile HCI 2006 September 12-15, 2006, Helsinki, Finland. pp. 247-250.

 
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Rukzio, Enrico, Paolucci, Massimo, Finin, Tim, Wisner, Paul and Payne, Terry R. (2006): Mobile interaction with the real world. In: Nieminen, Marko and Rykkee, Mika (eds.) Proceedings of the 8th Conference on Human-Computer Interaction with Mobile Devices and Services - Mobile HCI 2006 September 12-15, 2006, Helsinki, Finland. pp. 295-296.

 
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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.

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.

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.

© All rights reserved Rukzio et al. and/or ACM Press

 
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Rukzio, Enrico, Rohs, Michael, Wagner, Daniel and Hamard, John (2005): Development of interactive applications for mobile devices. In: Proceedings of 7th conference on Human-computer interaction with mobile devices and services 2005. pp. 365-366.

 
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Rukzio, Enrico, Rohs, Michael, Wagner, Daniel and Hamard, John (2005): Development of interactive applications for mobile devices. In: Tscheligi, Manfred, Bernhaupt, Regina and Mihalic, Kristijan (eds.) Proceedings of the 7th Conference on Human-Computer Interaction with Mobile Devices and Services - Mobile HCI 2005 September 19-22, 2005, Salzburg, Austria. pp. 365-366.

 
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Rukzio, Enrico, Hkkil, Jonna, Spasojevic, Mirjana, Mntyjrvi, Jani and Ravi, Nishkam (eds.) PERMID 2005 - Pervasive Mobile Interaction Devices - Mobile Devices as Pervasive User Interfaces and Interaction Devices - Workshop in conjunction with The 3rd International Conference on Pervasive Computing PERVASIVE 2005 May 11, 2005, Munich, Germany.

 
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Leichtenstern, Karin, Luca, Alexander De and Rukzio, Enrico (2005): Analysis of Built-in Mobile Phone Sensors for Supporting Interactions with the Real World. In: Rukzio, Enrico, Hkkil, Jonna, Spasojevic, Mirjana, Mntyjrvi, Jani and Ravi, Nishkam (eds.) PERMID 2005 - Pervasive Mobile Interaction Devices - Mobile Devices as Pervasive User Interfaces and Interaction Devices - Workshop in conjunction with The 3rd International Conference on Pervasive Computing PERVASIVE 2005 May 11, 2005, Munich, Germany. pp. 31-34.

 
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Page Information

Page maintainer: The Editorial Team
URL: http://www.interaction-design.org/references/authors/enrico_rukzio.html

Publication statistics

Pub. period:2005-2012
Pub. count:49
Number of co-authors:57



Co-authors

Number of publications with 3 favourite co-authors:

Robert Hardy:9
John Hamard:8
Gregor Broll:8

 

 

Productive colleagues

Enrico Rukzio's 3 most productive colleagues in number of publications:

Albrecht Schmidt:110
Hans-Werner Geller..:73
Matt Jones:63
 
 
 

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