1. Visualizing Mailbox Yoo Ah Kim Min-ho Shin ykim@cs.umd.eduykim@cs.umd.edu mhshin@cs.umd.edumhshin@cs.umd.edu Department of Computer Science University of Maryland

2. Overview Motivation Time-based Visualization Thread-based Visualization Related Work Problems in Visualization Future Work Conclusion

3. Motivation Email Overload Huge volume of mailbox Tasks Asynchnous communication Personal archives Task management Design Goals View sent/received email patterns Find people and emails related to each other Search information in mailbox

4. Related Work Timestore Outlook 2000 Netscan Thread Tree

5. Time-based Visualization Two-dimensional grid Two-dimensional grid Rows: E-mail Addresses Columns: Sent/Received time Bar Chart vs. Gradation Dynamic Query Message Selection

6. Thread-based Visualization Thread created by “Reply” Both senders and receivers are important Two kinds of links Thread links Sender/Receiver links Figure

7. Problems in Visualization Sent mails may appear several times Reply information is not enough to construct Threads Different mail address, Mailing list

8. Future Work Merge with other database Group-based Visualization Content Search Edit/Annotation

9. Conclusion Time-based Visualization Scalability Problem Dynamic query Gradation Thread-based Visualization Construct thread based on “Reply” Show both senders and receivers