Fabiano Magalhães Atalla da Fonseca,  Robert Pereira Pinto. 

People usually provide personal information when visiting Web sites,even though they are not aware of this fact. In some cases, the collecteddata is misused, resulting on user privacy violation. The existing tools whichaim at guaranteeing user privacy usually restrict access to personalized services.In this work, we propose the Web Privacy Control Agent. Upon detectingand informing users about browsing tracking mechanisms which invisibly collecttheir personal information when visiting sites, it represents an alternativethat provides a better control over privacy while allowing personalization. Throughexperimental results, we demonstrate the applicability of our approach byshowing that typically 5.37% of user's requests are tracked by third-party sites.

http://www.lbd.dcc.ufmg.br/colecoes/ctic/2005/006.pdf

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