Title :
TimeBench: A Data Model and Software Library for Visual Analytics of Time-Oriented Data
Author :
Rind, Alexander ; Lammarsch, Tim ; Aigner, Wolfgang ; Alsallakh, Bilal ; Miksch, Silvia
Author_Institution :
Inst. of Software Technol. & Interactive Syst., Vienna Univ. of Technol., Vienna, Austria
Abstract :
Time-oriented data play an essential role in many Visual Analytics scenarios such as extracting medical insights from collections of electronic health records or identifying emerging problems and vulnerabilities in network traffic. However, many software libraries for Visual Analytics treat time as a flat numerical data type and insufficiently tackle the complexity of the time domain such as calendar granularities and intervals. Therefore, developers of advanced Visual Analytics designs need to implement temporal foundations in their application code over and over again. We present TimeBench, a software library that provides foundational data structures and algorithms for time-oriented data in Visual Analytics. Its expressiveness and developer accessibility have been evaluated through application examples demonstrating a variety of challenges with time-oriented data and long-term developer studies conducted in the scope of research and student projects.
Keywords :
data models; data visualisation; software libraries; time-domain analysis; TimeBench; application code; calendar granularity; data model; electronic health records; flat numerical data type; foundational data algorithms; foundational data structures; long-term developer study; medical insights; network traffic; software library; temporal foundations; time domain complexity; time-oriented data; visual analytics designs; Data models; Data structures; Data visualization; Time-domain analysis; Visual analytics; Data models; Data structures; Data visualization; Time-domain analysis; Visual Analytics; Visual analytics; information visualization; software infrastructure; temporal data; time; toolkits; Algorithms; Computer Graphics; Decision Making; Decision Support Techniques; Pattern Recognition, Automated; Software; User-Computer Interface;
Journal_Title :
Visualization and Computer Graphics, IEEE Transactions on
DOI :
10.1109/TVCG.2013.206