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Securing Privacy in Profile-based Personalized Web Search


Manali Wadnerkar , Bharati Vidyapeeth College of Engineering, Navi Mumbai; Dr. D.R. Ingle, Bharati Vidyapeeth College of Engineering, Navi Mumbai


Personalization, Privacy, User Profile, User Feedback


Although personalized search has been proposed for many years and many personalization strategies have been investigated, it is still unclear whether personalization is consistently effective on different queries for different users, and under different search contexts. In this paper, we study this problem and provide some preliminary conclusions. We present a large-scale evaluation framework for personalized search based on query logs. Also, we reveal that personalized search has significant improvement over common web search on some queries but it has little effect on other queries (e.g., queries with small click entropy). It even harms search accuracy under some situations. We propose a PWS framework called UPS that can adaptively generalize profiles by queries while respecting user-specified privacy requirements. Our runtime generalization aims at striking a balance between two predictive metrics that evaluate the utility of personalization and the privacy risk of exposing the generalized profile.

Other Details

Paper ID: IJSRDV3I60545
Published in: Volume : 3, Issue : 6
Publication Date: 01/09/2015
Page(s): 1243-1246

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