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Location dependent information services (LDISs) are gaining increasing popularity in recent years. Due to limited client power and intermittent connectivity, caching is an important approach to improve the performance of LDISs. In this paper, we propose a new replacement policy called location dependent cooperative caching (LDCC). Unlike existing location dependent cache replacement policies, the...
Caching technique has been widely used to accelerate data access for Location Dependent Information Services (LDISs) in mobile environments. Many existing LDISs focuse primarily on finding the nearest object. However, for some applications, closest location information is not strictly necessary. In this paper, we study caching invalidation strategies for 'weak' location dependent queries which require...
Cache invalidation is an important issue in mobile caching and has received much attention by researchers. However most existing studies on cache invalidation strategies are limited to cellular wireless networks in which the mobile terminals can communicate with the base stations directly. In this paper, we address the seldom studied issue of cache invalidation in mobile ad hoc networks (MANETs),...
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