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In this paper we present a visual system for the analysis of user behaviour during the execution of Web tasks based on visual data mining techniques. In particular, our system presents a suite of charts providing views of user behaviour starting from the well known clickstream visualization down to single user page interaction visualizations. The navigation through the views is enabled through ad-hoc defined zoom and filter operations. We give an overview of the architecture of the prototypical system and, in order to demonstrate the effectiveness of the approach and to give the reader an insight of the possible analysis types, we present a comparative analysis of an usability test performed on the two popular Web sites for booking flights.
Date of Conference: 20-24 Sept. 2009