Mobile location-dependent information services (LDISs) have become increasingly popular
in recent years. However, data caching strategies for LDISs have thus far received little …

Mobile location-dependent information services are gaining increasing interest in both
academic and industrial communities. In these services, data values depend on their …

Location-dependent applications are becoming very popular in mobile environments. To
improve system performance and facilitate disconnection, caching is crucial to such …

Caching of frequently accessed data items can reduce the bandwidth requirement in a
mobile wireless computing environment. Periodical broadcast of invalidation reports is an …

As location-based services (LBSs) grow to support a larger and larger user community and
to provide more and more intelligent services, they must face a few fundamental challenges …

A method is presented in this paper for answering location-dependent queries in a mobile
computing environment. We investigate a common scenario where data objects (eg …

Caching frequently accessed data items on the client side is an effective technique to
improve system performance in a mobile environment. Due to cache size limitations, cache …

Semantic caching enables mobile clients to answer spatial queries locally by storing the
query descriptions together with the results. However, it supports only a limited number of …

Caching frequently accessed data items on the client side is an effective technique to
improve performance in a mobile environment. Classical cache invalidation strategies are …

The embedding of positioning capabilities in mobile devices and the emergence of location-
based applications have created novel opportunities for utilizing several types of …