The chapter aims at proposing a model that gives an abstraction to the functionalities and data involved in adaptive applications for the Semantic Web. As the quantity of provided information on the Web is getting larger, the need for adaptation in software is getting more and more necessary in order to maximize the productivity of individuals, and more issues are emerging that have to be considered in the new generation of hypertext systems. With the advent of Semantic Web, adaptation can be

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... rformed autonomously and in runtime, making the whole process of information adapting transparent to the user.