VRSense: Validity region sensitive query processing strategies for static and mobile point-of-interests in MANETs

Querying any point-of-interest (POI) in anywhere is a major part of location-based services (LBS) and has been applied to diverse wireless and/or mobile networks for realizing seamless services and mobile and ubiquitous computing. In particular, designing an efficient query processing scheme is admittedly challenging in mobile ad hoc networks (MANETs) because of the lack of centralized coordination, limited computing and communication capabilities, and time-varying network topologies. In this talk, we explore a set of query processing strategies based on a validity region to efficiently update the freshness of the queried POI and reduce the query traffic in MANETs.