Location-Based Tour Guide System Using Mobile GIS and Web Crawling

Location-Based Service(LBS) is a wireless application service that uses geographic information to serve a mobile user. Recent research on the LBS focuses on context sensitive computing and visualization. Location is the core context in context sensitive LBS and the use of the map is the most efficient way to visualize the geographic information. Many existing researches, however, has limited capability to provide dynamic map services and realistic information acquired from the Web. The goals of our research are to fully access geographical information and incorporate it with the LBS services. For the purpose, it is important to extract semantically relevant geographical information from the Web and efficiently present it to mobile users. In this paper, we present an effective LBS approach based on advance Mobile GIS and Web technologies. We design and implement the prototype of the Tour Guide System as a motivating application of LBS.