| Popis: |
Location based service is one of the most promising fields in the information & communication society. The use of ubiquitous devices increases because they are enabled with various location based system, i.e. mobile phone, GPS enabled devices, Laptops, PDAs, etc. Moreover, LBS users use their location information to get important information from the service providers. i.e. location based search, emergency service, location based social networking, friend finding services, etc. Due to the advancement in technology the usage of LBS become more demanding because of its several advantages. So growth of LBS users increases more. Users need to provide his/her identity, location information to the service provider that is highly personalized information. Location information directly related to the privacy of the LBS users. Location privacy is a critical issue that needs to be solved. Collaborative TTP free model is the best model where users work together for location privacy in LBS. Location based Social Media is currently one of the fastest growing networks where growth of the LBS users increase rapidly. Many approaches are already proposed by various authors that provide location privacy. But none of them provide location privacy of the users that support growth of the network with the least cost. In this paper, the attempt is to propose a complete solution that provides location privacy with the least cost and improved scalability using a centralized approach. |
