GeoNote.net: A Social Network System for Geographic Information

GeoNote.net is a social network system which allows users to share geographic information among their friends network. The system has various notable features and uses several key technologies such as social network construction methods, security for personal information, geographic information management on mobile devices including cellular phones, retrieval of geographic information according to the friends network, and so on. In this paper, we describe the system under design aspects and implementation aspects.