Kyongsok Kim

Learn More
The results of location-dependent queries (LDQ) queries generally depend on the current locations of query issuers. Many mechanisms, e.g. broadcast scheme, hoarding, or caching policy have been developed to improve system performance and provide better service, which are specialized for LDQs. It is necessary to design them considering geographical adjacency(More)
Although there exist many middlewares such as Havi, Jini, LonWorks, UPnP, and SLP, new middlewares specialized for diverse information appliances are expected to appear continuously as home networks evolve. In this paper, we first investigate an integrated architecture for supporting interoperability among heterogeneous middlewares on home networks. We then(More)
In the current life, the Internet is playing a key role in transferring diverse information. As the performance of the Internet has been growing, transferred information has the form of multimedia streams such as video and audio. However, in current computing and internet environment, multimedia streaming service can't be accomplished smoothly due to the(More)
Streaming media has contributed to a significant amount of todaypsilas Internet traffic. Like traditional Web objects, rich media objects can benefit from proxy caching, but caching streaming media is more of challenging than caching simple Web objects, because the streaming media have features such as huge size and high bandwidth. Due to huge size of(More)