Research Highlights

Extracting and visualizing temporal patterns in large scientific data is an open problem in visualization research. First, there are few proven methods to flexibly and concisely define general temporal patterns for visualization. Second, with ever-growing large timedependent data sets, scalable and general solutions for handling the data are still not widely available. In this work, we have developed a textual pattern matching approach for specifying and identifying general temporal patterns. Besides defining the formalism of the language, we also provide a working implementation with sufficient efficiency and scalability to handle large data sets. Using recent large-scale simulation data from multiple application domains, we demonstrate that our visualization approach is one of the first to empower a concept driven exploration of large-scale time-varying multivariate data. Our system increases the utility of range query systems. By providing a high-level language for temporal data analysis, we allow scientists to consider their data at a higher level, describing multivariate features of interest in a language that allows the specification of uncertainty... Read more

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