Publication statistics

Pub. period:1990-2011
Pub. count:46
Number of co-authors:54



Co-authors

Number of publications with 3 favourite co-authors:

Lynn Wilcox:16
Jonathan Foote:10
Frank Shipman:9

 

 

Productive colleagues

Andreas Girgensohn's 3 most productive colleagues in number of publications:

Gerhard Fischer:66
Elizabeth F. Churc..:58
Michael E. Atwood:48
 
 
 

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Andreas Girgensohn

Has also published under the name of:
"A. Girgensohn"

Personal Homepage:
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Publications by Andreas Girgensohn (bibliography)

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2011
 
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Wiese, Jason, Biehl, Jacob T., Turner, Thea, Melle, William van and Girgensohn, Andreas (2011): Beyond 'yesterday's tomorrow': towards the design of awareness technologies for the contemporary worker. In: Proceedings of 13th Conference on Human-computer interaction with mobile devices and services 2011. pp. 455-464. Available online

Modern office work practices increasingly breach traditional boundaries of time and place, increasing breakdowns workers encounter when coordinating interactions with colleagues. We conducted interviews with 12 workers and identified key problems introduced by these practices. To address these problems we developed myUnity, a fully functional platform enabling rich workplace awareness and coordination. myUnity is one of the first integrated platforms to span mobile and desktop environments, both in terms of access and sensing. It uses multiple sources to report user location, availability, tasks, and communication channels. A pilot field study of myUnity demonstrated the significant value of pervasive access to workplace awareness and communication facilities, as well as positive behavioral change in day-to-day communication practices for most users. We present resulting insights about the utility of awareness technology in flexible work environments.

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

2010
 
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Girgensohn, Andreas, Shipman, Frank, Turner, Thea and Wilcox, Lynn (2010): Flexible access to photo libraries via time, place, tags, and visual features. In: JCDL10 Proceedings of the 2010 Joint International Conference on Digital Libraries 2010. pp. 187-196. Available online

Photo libraries are growing in quantity and size, requiring better support for locating desired photographs. MediaGLOW is an interactive visual workspace designed to address this concern. It uses attributes such as visual appearance, GPS locations, user-assigned tags, and dates to filter and group photos. An automatic layout algorithm positions photos with similar attributes near each other to support users in serendipitously finding multiple relevant photos. In addition, the system can explicitly select photos similar to specified photos. We conducted a user evaluation to determine the benefit provided by similarity layout and the relative advantages offered by the different layout similarity criteria and attribute filters. Study participants had to locate photos matching probe statements. In some tasks, participants were restricted to a single layout similarity criterion and filter option. Participants used multiple attributes to filter photos. Layout by similarity without additional filters turned out to be one of the most used strategies and was especially beneficial for geographical similarity. Lastly, the relative appropriateness of the single similarity criterion to the probe significantly affected retrieval performance.

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

 
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Girgensohn, Andreas, Shipman, Frank, Chen, Francine and Wilcox, Lynn (2010): DocuBrowse: faceted searching, browsing, and recommendations in an enterprise context. In: Proceedings of the 2010 International Conference on Intelligent User Interfaces 2010. pp. 189-198. Available online

Browsing and searching for documents in large, online enterprise document repositories are common activities. While internet search produces satisfying results for most user queries, enterprise search has not been as successful because of differences in document types and user requirements. To support users in finding the information they need in their online enterprise repository, we created DocuBrowse, a faceted document browsing and search system. Search results are presented within the user-created document hierarchy, showing only directories and documents matching selected facets and containing text query terms. In addition to file properties such as date and file size, automatically detected document types, or genres, serve as one of the search facets. Highlighting draws the user's attention to the most promising directories and documents while thumbnail images and automatically identified keyphrases help select appropriate documents. DocuBrowse utilizes document similarities, browsing histories, and recommender system techniques to suggest additional promising documents for the current facet and content filters.

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

2009
 
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Girgensohn, Andreas, Shipman, Frank, Wilcox, Lynn, Turner, Thea and Cooper, Matthew (2009): MediaGLOW: organizing photos in a graph-based workspace. In: Proceedings of the 2009 International Conference on Intelligent User Interfaces 2009. pp. 419-424. Available online

We designed an interactive visual workspace, MediaGLOW, that supports users in organizing personal and shared photo collections. The system interactively places photos with a spring layout algorithm using similarity measures based on visual, temporal, and geographic features. These similarity measures are also used for the retrieval of additional photos. Unlike traditional spring-based algorithms, our approach provides users with several means to adapt the layout to their tasks. Users can group photos in stacks that in turn attract neighborhoods of similar photos. Neighborhoods partition the workspace by severing connections outside the neighborhood. By placing photos into the same stack, users can express a desired organization that the system can use to learn a neighborhood-specific combination of distances.

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

2008
 
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Girgensohn, Andreas, Shipman, Frank and Wilcox, Lynn (2008): Determining activity patterns in retail spaces through video analysis. In: El-Saddik, Abdulmotaleb, Vuong, Son, Griwodz, Carsten, Bimbo, Alberto Del, Candan, K. Selcuk and Jaimes, Alejandro (eds.) Proceedings of the 16th International Conference on Multimedia 2008 October 26-31, 2008, Vancouver, British Columbia, Canada. pp. 889-892. Available online

 
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Scherp, Ansgar, Nack, Frank, Nahrstedt, Klara, Inoue, Masashi, Girgensohn, Andreas, Henrich, Andreas, Sandhaus, Philipp, Thieme, Sabine and Zhou, Michelle (2008): Interaction and user experiences with multimedia technologies: challenges and future topics. In: Proceedings of the 2008 ACM International Workshop on Human-Centered Multimedia 2008. pp. 1-6. Available online

In this paper, we investigate future topics and challenges of interaction and user experience in multimedia We bring together different perspectives from overlapping fields of research such as multimedia, human-computer interaction, information retrieval, networked multimedia, and creative arts. Based on potential intersections, we define three application domains to be investigated further, as they create high demand and good prospect for long-lasting developments in the future. These application domains are: media working environments, media enter-/edutainment, and social media engagement. Each application domain is analyzed along five dimensions, namely: information quality, presentation quality, ambience, interactivity, and user expectations. Based on this analysis, we identify the most pressing research questions and key challenges for each area. Finally, we advocate a user-centered approach to tackle these challenges and questions in order to develop relevant multimedia applications that best meet the users' expectations.

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

2007
 
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Girgensohn, Andreas, Shipman, Frank, Turner, Thea and Wilcox, Lynn D. (2007): Effects of presenting geographic context on tracking activity between cameras. In: Proceedings of ACM CHI 2007 Conference on Human Factors in Computing Systems 2007. pp. 1167-1176. Available online

A common video surveillance task is to keep track of people moving around the space being monitored. It is often difficult to track activity between cameras because locations such as hallways in office buildings can look quite similar and do not indicate the spatial proximity of the cameras. We describe a spatial video player that orients nearby video feeds with the field of view of the main playing video to aid in tracking between cameras. This is compared with the traditional bank of cameras with and without interactive maps for identifying and selecting cameras. We additionally explore the value of static and rotating maps for tracking activity between cameras. The study results show that both the spatial video player and the map improve user performance when compared to the camera-bank interface. Also, subjects change cameras more often with the spatial player than either the camera bank or the map, when available.

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

 
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Girgensohn, Andreas, Kimber, Don, Vaughan, Jim, Yang, Tao, III, Frank M. Shipman, Turner, Thea, Rieffel, Eleanor G., Wilcox, Lynn, Chen, Francine and Dunnigan, Tony (2007): DOTS: support for effective video surveillance. In: Lienhart, Rainer, Prasad, Anand R., Hanjalic, Alan, Choi, Sunghyun, Bailey, Brian P. and Sebe, Nicu (eds.) Proceedings of the 15th International Conference on Multimedia 2007 September 24-29, 2007, Augsburg, Germany. pp. 423-432. Available online

2005
 
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Shipman, Frank, Girgensohn, Andreas and Wilcox, Lynn D. (2005): Hypervideo expression: experiences with hyper-hitchcock. In: Proceedings of the Sixteenth ACM Conference on Hypertext 2005. pp. 217-226. Available online

Hyper-Hitchcock is a hypervideo editor enabling the direct manipulation authoring of a particular form of hypervideo called "detail-on-demand video." This form of hypervideo allows a single link out of the currently playing video to provide more details on the content currently being presented. A workspace is used to select, group, and arrange video clips into several linear sequences. Navigational links placed between the video elements are assigned labels and return behaviors appropriate to the goals of the hypervideo and the role of the destination video. Hyper-Hitchcock was used by students in a Computers and New Media class to author hypervideos on a variety of topics. The produced hypervideos provide examples of hypervideo structures and the link properties and behaviors needed to support them. Feedback from students identified additional link behaviors and features required to support new hypervideo genres. This feedback is valuable for the redesign of Hyper-Hitchcock and the design of hypervideo editors in general.

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

 
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Girgensohn, Andreas, Adcock, John, Cooper, Matthew and Wilcox, Lynn D. (2005): Interactive search in large video collections. In: Proceedings of ACM CHI 2005 Conference on Human Factors in Computing Systems 2005. pp. 1395-1398. Available online

We present a search interface for large video collections with time-aligned text transcripts. The system is designed for users such as intelligence analysts that need to quickly find video clips relevant to a topic expressed in text and images. A key component of the system is a powerful and flexible user interface that incorporates dynamic visualizations of the underlying multimedia objects. The interface displays search results in ranked sets of story keyframe collages, and lets users explore the shots in a story. By adapting the keyframe collages based on query relevance and indicating which portions of the video have already been explored, we enable users to quickly find relevant sections. We tested our system as part of the NIST TRECVID interactive search evaluation, and found that our user interface enabled users to find more relevant results within the allotted time than those of many systems employing more sophisticated analysis techniques.

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

 
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Girgensohn, Andreas, Adcock, John, Cooper, M. and Wilcox, Lynn D. (2005): A Synergistic Approach to Efficient Interactive Video Retrieval. In: Proceedings of IFIP INTERACT05: Human-Computer Interaction 2005. pp. 781-794. Available online

A video database can contain a large number of videos ranging from several minutes to several hours in length. Typically, it is not sufficient to search just for relevant videos, because the task still remains to find the relevant clip, typically less than one minute of length, within the video. This makes it impor tant to direct the users attention to the most promising material and to indicate what material they already investigated. Based on this premise, we created a video search system with a powerful and flexible user interface that incorporates dynamic visualizations of the underlying multimedia objects. The system employes an automatic story segmentation, combines text and visual search, and displays search results in ranked sets of story keyframe collages. By adapting the keyframe collages based on query relevance and indicating which portions of the video have already been explored, we enable users to quickly find relevant sec tions. We tested our system as part of the NIST TRECVID interactive search evaluation, and found that our user interface enabled users to find more relevant results within the allotted time than other systems employing more sophisticated analysis techniques but less helpful user interfaces.

© All rights reserved Girgensohn et al. and/or Springer Verlag

 
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Chiu, Patrick, Girgensohn, Andreas, Lertsithichai, Surapong, Polak, Wolfgang and III, Frank M. Shipman (2005): MediaMetro: browsing multimedia document collections with a 3D city metaphor. In: Zhang, Hongjiang, Chua, Tat-Seng, Steinmetz, Ralf, Kankanhalli, Mohan S. and Wilcox, Lynn (eds.) Proceedings of the 13th ACM International Conference on Multimedia November 6-11, 2005, Singapore. pp. 213-214. Available online

2004
 
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Girgensohn, Andreas, Wilcox, Lynn, III, Frank M. Shipman and Bly, Sara A. (2004): Designing affordances for the navigation of detail-on-demand hypervideo. In: Costabile, Maria Francesca (ed.) AVI 2004 - Proceedings of the working conference on Advanced visual interfaces May 25-28, 2004, Gallipoli, Italy. pp. 290-297. Available online

 
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Churchill, Elizabeth F., Girgensohn, Andreas, Nelson, Les and Lee, Alison (2004): Blending digital and physical spaces for ubiquitous community participation. In Communications of the ACM, 47 (2) pp. 38-44. Available online

 
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Lee, Alison, Girgensohn, Andreas and Zhang, Jun (2004): Browsers to Support Awareness and Social Interaction. In IEEE Computer Graphics and Applications, 24 (5) pp. 66-75. Available online

2003
 
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Shipman, Frank, Girgensohn, Andreas and Wilcox, Lynn D. (2003): Combining spatial and navigational structure in the hyper-hitchcock hypervideo editor. In: Proceedings of the Fourteenth ACM Conference on Hypertext 2003. pp. 124-125. Available online

Existing hypertext systems have emphasized either the navigational or spatial expression of relationships between objects. We are exploring the combination of these modes of expression in Hyper-Hitchcock, a hypervideo editor. Hyper-Hitchcock supports a form of hypervideo called "detail-on-demand video" due to its applicability to situations where viewers need to take a link to view more details on the content currently being presented. Authors of detail-on-demand video select, group, and spatially arrange video clips into linear sequences in a two-dimensional workspace. Hyper-Hitchcock uses a simple spatial parser to determine the temporal order of selected video clips. Authors add navigational links between the elements in those sequences. This combination of navigational and spatial hypertext modes of expression separates the clip sequence from the navigational structure of the hypervideo. Such a combination can be useful in cases where multiple forms of inter-object relationships must be expressed on the same content.

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

 
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Shipman, Frank, Girgensohn, Andreas and Wilcox, Lynn D. (2003): Hyper-Hitchcock: Towards the Easy Authoring of Interactive Video. In: Proceedings of IFIP INTERACT03: Human-Computer Interaction 2003, Zurich, Switzerland. p. 33.

 
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Girgensohn, Andreas, Adcock, John, Cooper, Matthew, Foote, Jonathan and Wilcox, Lynn D. (2003): Simplifying the Management of Large Photo Collections. In: Proceedings of IFIP INTERACT03: Human-Computer Interaction 2003, Zurich, Switzerland. p. 196.

 
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Churchill, Elizabeth F., Nelson, Les, Denoue, Laurent and Girgensohn, Andreas (2003): The Plasma Poster Network: Posting Multimedia Content in Public Places. In: Proceedings of IFIP INTERACT03: Human-Computer Interaction 2003, Zurich, Switzerland. p. 599.

 
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Churchill, Elizabeth F., Girgensohn, Andreas, Nelson, Les and Lee, Alison (2003): Weaving Between Online & Offline Community Participation. In: Proceedings of IFIP INTERACT03: Human-Computer Interaction 2003, Zurich, Switzerland. p. 729.

 
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Adcock, John, Cooper, Matthew L., Doherty, John, Foote, Jonathan, Girgensohn, Andreas and Wilcox, Lynn (2003): Managing digital memories with the FXPAL photo application. In: Rowe, Lawrence A., Vin, Harrick M., Plagemann, Thomas, Shenoy, Prashant J. and Smith, John R. (eds.) Proceedings of the Eleventh ACM International Conference on Multimedia November 2-8, 2003, Berkeley, CA, USA. pp. 598-599. Available online

 
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Cooper, Matthew L., Foote, Jonathan, Girgensohn, Andreas and Wilcox, Lynn (2003): Temporal event clustering for digital photo collections. In: Rowe, Lawrence A., Vin, Harrick M., Plagemann, Thomas, Shenoy, Prashant J. and Smith, John R. (eds.) Proceedings of the Eleventh ACM International Conference on Multimedia November 2-8, 2003, Berkeley, CA, USA. pp. 364-373. Available online

 
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Doherty, John, Girgensohn, Andreas, Helfman, Jonathan, III, Frank M. Shipman and Wilcox, Lynn (2003): Detail-on-demand hypervideo. In: Rowe, Lawrence A., Vin, Harrick M., Plagemann, Thomas, Shenoy, Prashant J. and Smith, John R. (eds.) Proceedings of the Eleventh ACM International Conference on Multimedia November 2-8, 2003, Berkeley, CA, USA. pp. 600-601. Available online

 
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Girgensohn, Andreas, III, Frank M. Shipman and Wilcox, Lynn (2003): Hyper-hitchcock: authoring interactive videos and generating interactive summaries. In: Rowe, Lawrence A., Vin, Harrick M., Plagemann, Thomas, Shenoy, Prashant J. and Smith, John R. (eds.) Proceedings of the Eleventh ACM International Conference on Multimedia November 2-8, 2003, Berkeley, CA, USA. pp. 92-93. Available online

 
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III, Frank M. Shipman, Girgensohn, Andreas and Wilcox, Lynn (2003): Generation of interactive multi-level video summaries. In: Rowe, Lawrence A., Vin, Harrick M., Plagemann, Thomas, Shenoy, Prashant J. and Smith, John R. (eds.) Proceedings of the Eleventh ACM International Conference on Multimedia November 2-8, 2003, Berkeley, CA, USA. pp. 392-401. Available online

2002
 
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Girgensohn, Andreas and Lee, Alison (2002): Making web sites be places for social interaction. In: Churchill, Elizabeth F., McCarthy, Joe, Neuwirth, Christine and Rodden, Tom (eds.) Proceedings of the 2002 ACM conference on Computer supported cooperative work November 16 - 20, 2002, New Orleans, Louisiana, USA. pp. 136-145. Available online

Technology can play an important role in enabling people to interact with each other. The Web is one such technology with the affordances for sharing information and for connecting people to people. In this paper, we describe the design of two social interaction Web sites for two different social groups. We review several related efforts to provide principles for creating social interaction environments and describe the specific principles that guided our design. To examine the effectiveness of the two sites, we analyze the usage data. Finally, we discuss approaches for encouraging participation and lessons learned.

© All rights reserved Girgensohn and Lee and/or ACM Press

 
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Lee, Alison and Girgensohn, Andreas (2002): Design, experiences and user preferences for a web-based awareness tool. In International Journal of Human-Computer Studies, 56 (1) pp. 75-107.

We describe our experiences with the design, implementation, deployment and evaluation of a Portholes tool which provides group and collaboration awareness through the Web. The research objective was to explore as to how such a system would improve communication and facilitate a shared understanding among distributed development groups. During the deployment of our Portholes system, we conducted a naturalistic study by soliciting user feedback and evolving the system in response. Many of the initial reactions of potential users indicated that our system projected the wrong image so that we designed a new version that provided explicit cues about being in public and who is looking back to suggest a social rather than information interface. We implemented the new design as a Java applet and evaluated design choices with a preference study. Our experiences with different Portholes versions and user reactions to them provide insights for designing awareness tools beyond Portholes systems. Our approach is for the studies to guide and to provide feedback for the design and technical development of our system.

© All rights reserved Lee and Girgensohn and/or Academic Press

 
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Girgensohn, Andreas, Boreczky, John S., Chiu, Patrick, Foote, Jonathan, Wilcox, Lynn and Smoliar, Stephen W. (2002): Supporting Group-to-Group Collaboration in Videoconferences. In: HICSS 2002 2002. p. 112. Available online

 
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Doherty, John, Wilcox, Lynn and Girgensohn, Andreas (2002): A hitchcock assisted video edited night at the opera. In: ACM Multimedia 2002 2002. pp. 660-661. Available online

 
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Foote, Jonathan, Cooper, Matthew L. and Girgensohn, Andreas (2002): Creating music videos using automatic media analysis. In: ACM Multimedia 2002 2002. pp. 553-560. Available online

2001
 
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Girgensohn, Andreas, Bly, Sara A., Shipman, Frank, Boreczky, J. and Wilcox, Lynn D. (2001): Home Video Editing Made Easy - Balancing Automation and User Control. In: Proceedings of IFIP INTERACT01: Human-Computer Interaction 2001, Tokyo, Japan. pp. 464-471.

 
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Lee, A., Girgensohn, Andreas and Danis, C. (2001): Developing Web-Based Collaborative Applications - Social and Technical Issues. In: Proceedings of IFIP INTERACT01: Human-Computer Interaction 2001, Tokyo, Japan. pp. 835-836.

 
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Girgensohn, Andreas, Boreczky, John S. and Wilcox, Lynn (2001): Keyframe-Based User Interfaces for Digital Video. In IEEE Computer, 34 (9) pp. 61-67. Available online

 
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Chiu, Patrick, Boreczky, John, Girgensohn, Andreas and Kimber, Don (2001): LiteMinutes: an Internet-based system for multimedia meeting minutes. In: Proceedings of the 2001 International Conference on the World Wide Web 2001. pp. 140-149. Available online

2000
 
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Boreczky, John, Girgensohn, Andreas, Golovchinsky, Gene and Uchihashi, Shingo (2000): An Interactive Comic Book Presentation for Exploring Video. In: Turner, Thea, Szwillus, Gerd, Czerwinski, Mary, Peterno, Fabio and Pemberton, Steven (eds.) Proceedings of the ACM CHI 2000 Human Factors in Computing Systems Conference April 1-6, 2000, The Hague, The Netherlands. pp. 185-192. Available online

This paper presents a method for generating compact pictorial summarizations of video. We developed a novel approach for selecting still images from a video suitable for summarizing the video and for providing entry points into it. Images are laid out in a compact, visually pleasing display reminiscent of a comic book or Japanese manga. Users can explore the video by interacting with the presented summary. Links from each keyframe start video playback and/or present additional detail. Captions can be added to presentation frames to include commentary or descriptions such as the minutes of a recorded meeting. We conducted a study to compare variants of our summarization technique. The study participants judged the manga summary to be significantly better than the other two conditions with respect to their suitability for summaries and navigation, and their visual appeal.

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

 
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Girgensohn, Andreas, Boreczky, John, Chiu, Patrick, Doherty, John, Foote, Jonathan, Golovchinsky, Gene, Uchihashi, Shingo and Wilcox, Lynn D. (2000): A Semi-Automatic Approach to Home Video Editing. In: Ackerman, Mark S. and Edwards, Keith (eds.) Proceedings of the 13th annual ACM symposium on User interface software and technology November 06 - 08, 2000, San Diego, California, United States. pp. 81-89. Available online

 
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Chiu, Patrick, Foote, Jonathan, Girgensohn, Andreas and Boreczky, John (2000): Automatically Linking Multimedia Meeting Documents by Image Matching. In: Hypertext 00 - Proceedings of the Eleventh ACM Conference on Hypertext and Hypermedia May 30 - June 03, 2000, San Antonio, Texas, USA. pp. 244-245. Available online

1999
 
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Uchihashi, Shingo, Foote, Jonathan, Girgensohn, Andreas and Boreczky, John S. (1999): Video Manga: generating semantically meaningful video summaries. In: ACM Multimedia 1999 1999. pp. 383-392. Available online

 
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Wilcox, Lynn, Uchihashi, Shingo, Girgensohn, Andreas, Foote, Jonathan and Boreczky, John S. (1999): MBase: indexing, browsing, and playback of media at FXPAL. In: ACM Multimedia 1999 1999. p. 204. Available online

1998
 
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Foote, Jonathan, Boreczky, John S., Girgensohn, Andreas and Wilcox, Lynn (1998): An Intelligent Media Browser Using Automatic Multimodal Analysis. In: ACM Multimedia 1998 1998. pp. 375-380. Available online

1997
 
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Girgensohn, Andreas and Lee, Alison (1997): Developing Collaborative Applications on the Web. In: Payne, Stephen C. and Prinz, Wolfgang (eds.) Proceedings of the International ACM SIGGROUP Conference on Supporting Group Work 1997 November 11-19, 1997, Phoenix, Arizona, USA. p. 1.

The goal of the tutorial is to provide insights and understanding into how to develop interactive and collaborative applications using the Web as a rapid prototyping and development platform. At the end of the tutorial, participants will have a basic understanding to begin developing collaborative applications using this platform. In the tutorial, we will introduce and demonstrate how one can use commonly available Web tools in combination with Web browsers to design, develop, and deploy interactive and collaborative applications. For example, we will discuss how HTML in combination with CGI scripts, JavaScript, and Java can be used to create applications and what kind of tools on the server-side are helpful.

© All rights reserved Girgensohn and Lee and/or ACM Press

 
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Lee, Alison, Girgensohn, Andreas and Schlueter, Kevin (1997): NYNEX Portholes: Initial User Reactions and Redesign Implications. In: Payne, Stephen C. and Prinz, Wolfgang (eds.) Proceedings of the International ACM SIGGROUP Conference on Supporting Group Work 1997 November 11-19, 1997, Phoenix, Arizona, USA. pp. 385-394. Available online

The prevalence of audio and video options on computers, coupled with the promise of bandwidth, have many prognosticators predicting a revolution in human communications. But what if the revolution materializes and no users show up? We were confronted with this question when we began deploying and studying the use of a video-based, background awareness application within our organization. Repeatedly, new users raised strong concerns about self-presentation, surveillance, privacy, video snapshots, and lack of audience cues. We describe how we addressed these concerns by evolving the application. As a consequence, we are also redesigning the user interface to the application.

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

1996
 
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Girgensohn, Andreas, Lee, Alison and Schlueter, Kevin (1996): Experiences in Developing Collaborative Application Using the World Wide Web. In: Hypertext 96 - Proceedings of the Seventh ACM Conference on Hypertext March 16-20, 1996, Washington, DC. pp. 246-255. Available online

The components of the World Wide Web, which we call the World Wide Web Shell, provide a framework for collaborative application development in much the same way as an expert system shell does for expert system development. This development is quick enough to support rapid prototyping. Once the collaborative application is developed, the WWW Shell facilitates the distribution of the application and its data to geographically-separated users on diverse computing platforms. We have developed and deployed two collaborative applications, Design Intent and NYNEX Portholes, using the WWW Shell. These applications are described and our experiences developing them with the WWW Shell are detailed. In the process of developing these applications we discovered limitations of the WWW Shell which we present, along with suggested modifications and extensions to address them.

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

1995
 
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Atwood, Michael E., Burns, Bart, Gairing, Dieter, Girgensohn, Andreas, Lee, Alison, Turner, Thea, Alteras-Webb, Sabina and Zimmermann, Beatrix (1995): Facilitating Communication in Software Development. In: Proceedings of DIS95: Designing Interactive Systems: Processes, Practices, Methods, & Techniques 1995. pp. 65-73.

Effective communication is critical to the success of a software development project. It factors into the productivity of individuals and organizations, and has particular impact when change occurs. Yet communication is generally left unsupported by the software development process and by the communication infrastructure. We address this issue in the context of two software development projects at NYNEX through a conceptual framework called Design Intent. There are three innovations in our approach. Design Intent encourages stakeholders to engage in active listening, enables stakeholders to collaboratively construct a consistent understanding of the development effort, and provides a communication infrastructure for stakeholders to share ideas and participate in discussions.

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

1991
 
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Morch, Anders and Girgensohn, Andreas (1991): JANUS: Basic Concepts and Sample Dialog. In: Robertson, Scott P., Olson, Gary M. and Olson, Judith S. (eds.) Proceedings of the ACM CHI 91 Human Factors in Computing Systems Conference April 28 - June 5, 1991, New Orleans, Louisiana. pp. 457-458. Available online

1990
 
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Fischer, Gerhard and Girgensohn, Andreas (1990): End-User Modifiability in Design Environments. In: Carrasco, Jane and Whiteside, John (eds.) Proceedings of the ACM CHI 90 Human Factors in Computing Systems Conference 1990, Seattle, Washington,USA. pp. 183-191.

Convivial systems encourage users to be actively engaged in generating creative extensions to the artifacts given to them. Convivial systems have the potential to break down the counterproductive barrier between programming and using programs. Knowledge-based design environments are prototypes for convivial systems. These environments support human problem-domain communication, letting users work within their domains of expertise. One of the design rationales behind design environments is to ease the construction and modification of artifacts designed within the environment. But because design environments are intentionally not general purpose programming environments, situations will arise that require modifications to the design environment itself. The rationale and the techniques for these later modifications are discussed in this paper. Our conceptual framework for end-user modifiability is illustrated in the context of JANUS, an environment for architectural design. Evaluating our system building efforts against our objectives shows the subtleties of integrating end-user modifiability in these kinds of systems.

© All rights reserved Fischer and Girgensohn and/or ACM Press

 
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