A visual analytics approach to understanding spatiotemporal hotspots.

Citation data:

IEEE transactions on visualization and computer graphics, ISSN: 1077-2626, Vol: 16, Issue: 2, Page: 205-20

Publication Year:
2010
Usage 209
Abstract Views 207
Link-outs 2
Captures 95
Readers 95
Citations 53
Citation Indexes 53
PMID:
20075482
DOI:
10.1109/tvcg.2009.100
Author(s):
Maciejewski, Ross, Rudolph, Stephen, Hafen, Ryan, Abusalah, Ahmad M, Yakout, Mohamed, Ouzzani, Mourad, Cleveland, William S, Grannis, Shaun J, Ebert, David S
Publisher(s):
Institute of Electrical and Electronics Engineers (IEEE)
Tags:
Computer Science
article description
As data sources become larger and more complex, the ability to effectively explore and analyze patterns among varying sources becomes a critical bottleneck in analytic reasoning. Incoming data contain multiple variables, high signal-to-noise ratio, and a degree of uncertainty, all of which hinder exploration, hypothesis generation/exploration, and decision making. To facilitate the exploration of such data, advanced tool sets are needed that allow the user to interact with their data in a visual environment that provides direct analytic capability for finding data aberrations or hotspots. In this paper, we present a suite of tools designed to facilitate the exploration of spatiotemporal data sets. Our system allows users to search for hotspots in both space and time, combining linked views and interactive filtering to provide users with contextual information about their data and allow the user to develop and explore their hypotheses. Statistical data models and alert detection algorithms are provided to help draw user attention to critical areas. Demographic filtering can then be further applied as hypotheses generated become fine tuned. This paper demonstrates the use of such tools on multiple geospatiotemporal data sets.

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