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An IP geolocation database provides location information for each IP address block. Though free and commercial IP geolocation databases are available, their accuracy and coverage are not clearly known for non US countries. In this paper, for the wider and more accurate IP geolocation service in Korea, we present a crowd-sourcing IP geolocation database build-up method by analyzing messages of an online...
One of the smartphone's killer applications is the game. As the mobile game market grows drastically, we meet a lot of new smartphone games on the application stores everyday. In particular, mobile games have been equipped with social networking features, which is so called social mobile games. In general, mobile games usually require real-time transmission delay and minimum bandwidth contraints....
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