Twitinfo: aggregating and visualizing microblogs for event exploration
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The information flaneur: a fresh look at information seeking
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Co-viewing live TV with digital backchannel streams
Proceddings of the 9th international interactive conference on Interactive television
ThemeCrowds: multiresolution summaries of twitter usage
Proceedings of the 3rd international workshop on Search and mining user-generated contents
No forests without trees: particulars and patterns in visualizing personal communication
Proceedings of the 2012 iConference
Summarizing sporting events using twitter
Proceedings of the 2012 ACM international conference on Intelligent User Interfaces
Visual analysis of microblog content using time-varying co-occurrence highlighting in tag clouds
Proceedings of the International Working Conference on Advanced Visual Interfaces
TouchWave: kinetic multi-touch manipulation for hierarchical stacked graphs
Proceedings of the 2012 ACM international conference on Interactive tabletops and surfaces
Swimming against the streamz: search and analytics over the enterprise activity stream
Proceedings of the 21st ACM international conference on Information and knowledge management
Semantic-preservingword clouds by seam carving
EuroVis'11 Proceedings of the 13th Eurographics / IEEE - VGTC conference on Visualization
Indexicality and visualization: exploring analogies with art, cinema and photography
Proceedings of the 9th ACM Conference on Creativity & Cognition
Timelines as summaries of popular scheduled events
Proceedings of the 22nd international conference on World Wide Web companion
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We introduce the concept of a Visual Backchannel as a novel way of following and exploring online conversations aboutlarge-scale events. Microblogging communities, such as Twitter, are increasingly used as digital backchannels for timely exchange ofbrief comments and impressions during political speeches, sport competitions, natural disasters, and other large events. Currently,shared updates are typically displayed in the form of a simple list, making it difficult to get an overview of the fast-paced discussions asit happens in the moment and how it evolves over time. In contrast, our Visual Backchannel design provides an evolving, interactive,and multi-faceted visual overview of large-scale ongoing conversations on Twitter. To visualize a continuously updating informationstream, we include visual saliency for what is happening now and what has just happened, set in the context of the evolving conversation.As part of a fully web-based coordinated-view system we introduce Topic Streams, a temporally adjustable stacked graphvisualizing topics over time, a People Spiral representing participants and their activity, and an Image Cloud encoding the popularityof event photos by size. Together with a post listing, these mutually linked views support cross-filtering along topics, participants, andtime ranges. We discuss our design considerations, in particular with respect to evolving visualizations of dynamically changing data.Initial feedback indicates significant interest and suggests several unanticipated uses.