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Visualisation of Parallel Data Streams with Temporal Mosaics

Abstract
Despite its popularity and widespread use, timeline visualisation suffers from shortcomings which limit its use for displaying multiple data streams when the number of streams increases to more than a handful. This paper presents the TemporalMosaic technique for visualisation of parallel time-based streams which addresses some of these shortcomings. Temporal mosaics provide a compact way of representing parallel streams of events by allocating a fixed drawing area to time intervals and partitioning that area according to the number of concurrent events. A user study is presented which compares this technique to a standard timeline representation technique in which events are depicted as horizontal bars and multiple streams are drawn in parallel along a vertical axis. Results of this user study show that users of the temporal mosaic visualisation perform significantly better at detecting concurrency, interval overlaps and inactivity than users of standard timelines.
Type
Conference Contribution
Type of thesis
Series
Citation
Luz, S. & Masoodian, M. (2007). Visualisation of Parallel Data Streams with Temporal Mosaics. In Proceedings of 11th International Conference Information Visualization, July 04-06, 2007(pp. 197-202). Washington, DC, USA: IEEE Computer Society.
Date
2007
Publisher
IEEE Computer Society
Degree
Supervisors
Rights
This article has been published in the Proceedings of the 11th International Conference Information Visualization, July 04-06,2007. © 2007 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.