Memorizing algorithm: Protecting user privacy using ...

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Ardagna, C.A., Cremonini, M., Vimercati, S.D.C., Samarati, P., ... Bellavista, P., Corradi, A., Giannelli, C., Efficiently managing location information with privacy ...

Memorizing algorithm: Protecting user privacy using historical information of location-based services Truong Q.C. National University of Ho Chi Minh City, Viet Nam Abstract: The rapid development of location-based services, which make use of the location information of the user, presents both opportunities and challenges. Users can benefit from these services; however, they must often disclose their location information, which may lead to privacy problems. In this regard, the authors propose a solution with a memorizing algorithm, using trusted middleware that organizes space in an adaptive grid where it cloaks the user's location information in an anonymization area before sending it to the service providers. This newly introduced memorizing algorithm calculates on the spatial grid to decrease the overlapped areas as much as possible, which helps conceal users' locations. This solution protects the user's privacy while using the service, but also against data mining techniques with respect to their history location data. Experimental results with a user activities map establishes this theoretical analyses as well as the practical value of the proposed solution. Copyright © 2010, IGI Global. Author Keywords: Data mining; Location privacy; Location-based services; Memorizing algorithm; Privacy preserving Index Keywords: Adaptive grids; Anonymization; Data mining techniques; Historical information; Location data; Location information; Location privacy; Location-based services; Memorizing algorithm; Overlapped area; Privacy preserving; Privacy problems; Rapid development; Service provider; Spatial grids; User activity; User privacy; Algorithms; Data mining; Information use; Middleware; Data privacy Year: 2010 Source title: International Journal of Mobile Computing and Multimedia Communications Volume: 2 Issue: 4 Page : 65-86 Cited by: 1 Link: Scorpus Link Correspondence Address: Truong, Q. C.; National University of Ho Chi Minh CityViet Nam ISSN: 19379412 DOI: 10.4018/jmcmc.2010100104 Language of Original Document: English Abbreviated Source Title: International Journal of Mobile Computing and Multimedia Communications Document Type: Conference Paper Source: Scopus Authors with affiliations: 1. Truong, Q.C., National University of Ho Chi Minh City, Viet Nam

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