Visualization of large web access data sets

  • Authors:
  • Ming C. Hao;Pankaj Garg;Umeshwar Dayal;Vijay Machiraju;Daniel Cotting

  • Affiliations:
  • Hewlett Packard Laboratories, Palo Alto, CA;Hewlett Packard Laboratories, Palo Alto, CA;Hewlett Packard Laboratories, Palo Alto, CA;Hewlett Packard Laboratories, Palo Alto, CA;ETH Swiss Federal Institute of Technology Zurich, Zurich, Swiss

  • Venue:
  • VISSYM '02 Proceedings of the symposium on Data Visualisation 2002
  • Year:
  • 2002

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Visualization

Abstract

Many real-world e-service applications require analyzing large volumes of transaction data to extract web access information. This paper describes Web Access Visualization (WAV) a system that visually associates the affinities and relationships of clients and URLs for large volumes of web transaction data. To date, many practical research projects have shown the usefulness of a physics-based mass-spring technique to layout data items with close relationships onto a graph. The WAV system: (1) maps transaction data items (clients, URLs) and their relationships to vertices, edges, and positions on a 3D spherical surface; (2) encapsulates a physics-based engine in a visual data analysis platform; and (3) employs various content sensitive visual techniques - linked multiple views, layered drill-down, and fade in/out - for interactive data analysis. We have applied this system to a web application to analyze web access patterns and trends. The web service quality has been greatly benefited from using the information provided by WAV.