An interactive visual query environment for exploring data
Proceedings of the 10th annual ACM symposium on User interface software and technology
FED - A Framework for Iterative Data Selection in Exploratory Visualization
SSDBM '98 Proceedings of the 10th International Conference on Scientific and Statistical Database Management
SMW '96 Proceedings of the 2nd IEEE International Workshop on Systems Management (SMW'96)
Automated generation of visual discourse
Automated generation of visual discourse
XmdvTool: integrating multiple methods for visualizing multivariate data
VIS '94 Proceedings of the conference on Visualization '94
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Event management is fundamental to network and systems management. To date, this discipline has focused on reporting alerts in real time. This paper describes a tool, EventBrowser, intended for ad hoc analysis of historical logs, especially for problem determination and validating the benefits of configuration changes. EventBrowser addresses: (a) irregularities in the structure of event messages, (b) problems with visualizing patterns in large volumes of categorical data, and (c) difficulties with providing multiple views at different levels of detail. In particular for item (c), EventBrowser provides summary statistics (e.g., by host name), relationships between events (e.g., via scatter plots), and full message details. We have applied EventBrowser to analyze data from a production network. Our visualizations reveal a number of abnormalities that are not detected readily by conventional tools.