Mobile information processing incorporating location-based services

Mobile technology has been increasingly in demand and is widely used to allow people to be connected wirelessly without having to worry about the distance barrier. Location-dependent information services have becoming more critical in the world of mobile technology. Most commonly, a mobile user would like to gain useful information from the list of data wirelessly downloaded from a similar source but from different locations, making the downloaded contents slightly different in some cases or very different in other cases. There are always similarity and differences from data downloaded from a similar source. In this paper, we propose several techniques for processing location-dependent mobile queries, which are of particular in location-based service industries (e.g. tourism, entertainment, marketing, etc). We divide the proposed techniques into two main classifications: mobile device side processing (MDSP) and server side processing (SSP). Each of these proposed techniques comes in a number of variants. An implementation and performance evaluation are reported and critically analyzed. Our results show that in most situations, the second version of the server side processing (SSP2) appears to out perform the others.