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Dynamic user modeling in a Web store shell Liliana Ardissono and Pietro Torasso

Summary: Dynamic user modeling in a Web store shell

Liliana Ardissono and Pietro Torasso
Dipartimento di Informatica, Universit`a di Torino, Corso Svizzera 185; 10149 Torino; Italy”
liliana, torasso¢ @di.unito.it
We describe a framework for the dynamic revision of user models
in an adaptive Web store shell, which tailors the suggestion of goods,
as well as the interaction style, to the characteristics and interests of
the individual user. The behavior of the user is unobtrusively mon-
itored, by segmenting it on the basis of the focus spaces explored
in the browsing activity, and the actions performed by the user are
summarized into abstract facts. These facts are used for revising the
user model via the interpretation process performed by a Bayesian
Network which relates user features to user behavior.
1 Introduction
Several Web catalogs and recommender customize the suggestion of
items (e.g., [9]); however, while users may have different preferences
and needs about products, they also differ in their interaction require-
ments. The exploitation of user models specifying interests, domain


Source: Ardissono, Liliana - Dipartimento di Informatica, Universitą di Torino


Collections: Computer Technologies and Information Sciences