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Summary: Evaluation Methods for Learning about Users
I. Zukerman, A.E. Nicholson and D.W. Albrecht
School of Computer Science and Software Engineering, Monash University
Clayton, VICTORIA 3168, AUSTRALIA
fingrid,annn,dwag@csse.monash.edu.au
Abstract
This paper describes the evaluation methods applied
to assess the performance of the user models devel
oped in the framework of a threeyear plan recognition
project. The user models were learned from observa
tions of the behaviour of large numbers of users, and
were used to predict users' immediate activities and
eventual goals in two related domains: a MultiUser
adventure game and the World Wide Web. The eval
uation methods were influenced by the features of the
domain and the applied modeling techniques.
1 Introduction
Systems that learn about users typically perform the follow
ing tasks: (1) collect data, (2) consider the features of the do
main to identify models that are suitable for representing the
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