Self-organization and associative memory: 3rd edition
Self-organization and associative memory: 3rd edition
Looking at large data sets using binned data plots
Computing and graphics in statistics
Visualization of navigation patterns on a Web site using model-based clustering
Proceedings of the sixth ACM SIGKDD international conference on Knowledge discovery and data mining
Process Visualization with Levels of Detail
INFOVIS '02 Proceedings of the IEEE Symposium on Information Visualization (InfoVis'02)
Angular Brushing of Extended Parallel Coordinates
INFOVIS '02 Proceedings of the IEEE Symposium on Information Visualization (InfoVis'02)
Internet Traffic: Visualization, Discovery, and Very Large Displays
INFOVIS '02 Proceedings of the IEEE Symposium on Information Visualization (InfoVis'02)
Combining visual techniques for Association Rules exploration
Proceedings of the working conference on Advanced visual interfaces
Flow classification by histograms: or how to go on safari in the internet
Proceedings of the joint international conference on Measurement and modeling of computer systems
Generation of Graphical Representations of Student Tracking Data in Course Management Systems
IV '05 Proceedings of the Ninth International Conference on Information Visualisation
Capturing the Elusive Poissonity in Web Traffic
MASCOTS '06 Proceedings of the 14th IEEE International Symposium on Modeling, Analysis, and Simulation
Data Mining the Web: Uncovering Patterns in Web Content, Structure, and Usage
Data Mining the Web: Uncovering Patterns in Web Content, Structure, and Usage
Educational data mining: A survey from 1995 to 2005
Expert Systems with Applications: An International Journal
Seeking activity: on the trail of users in open and community source frameworks
Proceedings of the 35th annual ACM SIGUCCS fall conference
Identifying clusters of user behavior in intranet search engine log files
Journal of the American Society for Information Science and Technology
Interactive Graphics for Data Analysis: Principles and Examples (Computer Science and Data Analysis)
Interactive Graphics for Data Analysis: Principles and Examples (Computer Science and Data Analysis)
Long tails and analysis of knowledge worker intranet browsing behavior
BIS'07 Proceedings of the 10th international conference on Business information systems
Time histograms for large, time-dependent data
VISSYM'04 Proceedings of the Sixth Joint Eurographics - IEEE TCVG conference on Visualization
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This paper describes the practical application of four visualization techniques that have been developed to deal with high-volume, large time-scaled, and high-dimensional data sets that are characteristic of Internet-based user activity. Visualization techniques can be useful for monitoring and studying online user activity in settings where many thousands of users are involved in web-based educational endeavors. Simple numerical summaries of server requests and server performance trends cannot adequately answer the kinds of questions posed by those who desire to understand e-learner activity in web-based e-learning systems. Tracking and understanding remote users and their distant, round-the-clock activities present major technical and analytical challenges, especially in terms of the sheer scale and volume of the generated usage data. With web-based teaching and learning systems, four aspects of the usage tend to hinder analysis: high density, broad time scales, many variables, and veiled patterns. The paper looks at possible solutions in the application of four visualization techniques, using open source statistics software, in the contexts of key scenarios where such techniques can support operations management and decision making processes.