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Online Chat Visualization

Online Chat Visualization. Mahesh B Mungara. Chatting With A “Purpose”. Lack of support for chatting with a purpose Three major requirements -Need of Chat History -Importance of Establishing Common ground -Anonymity and awareness issues etc…

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Online Chat Visualization

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  1. Online Chat Visualization Mahesh B Mungara

  2. Chatting With A “Purpose” • Lack of support for chatting with a purpose • Three major requirements -Need of Chat History -Importance of Establishing Common ground -Anonymity and awareness issues etc… • Yahoo Monsters Inc. IMVironment example

  3. Chat History in VS • Why Chat History becomes important in VS? • Puts the current chat in context • Establishment of Common Ground • Late joiners • Help Teachers Evaluate students

  4. Features Of The Current Tool • Transcribing the chat logs • Use of scrollbar to visualize them • Fisheye views-navigating through info mural • Topic searches and multiple searches • Dynamic searches • Sender information • Overview of who spoke how much

  5. Pros & Cons • Overview+ detail • Use of empty space in scrollbar • Integration of chat history into the chat window • Effective topic searches that help identify items of interest in the chat history • Dynamic searches that obviate the necessity of explicit searching • Encoding of sender information • Implementation issues • Scale issues

  6. Scale Issues • People scale-2 pixels per person • Message scale(fares well) • Each overlap accounts for 400 messages • With gray scale shading 256*400=102400 • Average number of messages for 1 to 1 chat 3 messages per minute • So supports non-stop chatting for 20 days • Use of multi-level zooming techniques

  7. Future Work • Dynamic searches based on topic databases • Dynamic building of topic databases • Using length of lines to indicate message importance • Building topic threads basing on dynamic searches • Imposing semantic structure on the Chat history • Incorporating timing information

  8. Many Thanks to Dr.McCrickard and Dr.North Questions????????

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