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Location Dependent Information Services (LDISs), through which mobile clients can access location sensitive data such as weather information, traffic reports, and local news, 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 cache replacement...
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...
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