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Erschienen in:
2009 | OriginalPaper | Buchkapitel
Using Knowledge Base for Event-Driven Scheduling of Web Monitoring Systems
verfasst von : Yang Sok Kim, Sung Won Kang, Byeong Ho Kang, Paul Compton
Erschienen in: E-Commerce and Web Technologies
Verlag: Springer Berlin Heidelberg
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Web monitoring systems report any changes to their target web pages by revisiting them frequently. As they operate under significant resource constraints, it is essential to minimize revisits while ensuring minimal delay and maximum coverage. Various statistical scheduling methods have been proposed to resolve this problem; however, they are static and cannot easily cope with events in the real world. This paper proposes a new scheduling method that manages unpredictable events. An MCRDR (Multiple Classification Ripple-Down Rules) document classification knowledge base was reused to detect events and to initiate a prompt web monitoring process independent of a static monitoring schedule. Our experiment demonstrates that the approach improves monitoring efficiency significantly.