SungJae Jo

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When highly distributed data streaming services are fully realized, they will bring up new issues in delivering data streams to data consumers. First, data delivery scheme should be traffic efficient because the Internet can be easily inundated by a massive number of data streams. Also, the probing messages generated by many delivery schemes waste network(More)
Streaming applications, such as environment monitoring and vehicle location tracking require handling high volumes of continuously arriving data and sudden fluctuations in these volumes while efficiently supporting multi-dimensional historical queries. The use of the traditional database management systems is inappropriate because they require excessive(More)
Upcoming ubiquitous technologies are expediting the advent of many real-time applications. Examples of such applications include physical world browsing, RFID-based supply chain management, city-wide road traffic monitoring, weather forecasting, and air pollution monitoring. These applications show different scales and characteristics in terms of sensing(More)
The rapid expansion of the Internet accompanies a serious side effect. Since there are too many information providers, it is very difficult to obtain the contents best fitting to customers' needs. Web Syndication Services (WSS) are emerging as solutions to the information flooding problem. However , even with its practical importance, WSS has not been much(More)
The high dynamicity of e-Business environments causes the merchants to confront the sudden increase in loads. In this paper, we propose WADN (Web Application Delivery Network), a new service supporting dynamic scalability for Web application servers. Using WADN, system capacity is adjusted to workload by expanding additional servers dynamically. Also, WADN(More)
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