A Comparative Study on Web Prefetching
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A Comparative Study on Web Prefetching
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2001-05-31
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The growth of the World Wide Web has emphasized the need for improved user latency. Increasing use of dynamic pages, frequent changes in the site structure, and user access patterns on the internet have limited the efficacy of caching techniques and emphasized the need for prefetching. Since prefecthing increses bandwidth, it is important that the prediction model is highly accurate and computationally feasible. It has been observed that in a web environment, certain sets of pages exhibit stronger correlations than others, a fact which can be used to predict future requests. Previous studies on predictive models are mainly based on pair interactions of pages and TOP-N approaches. In this paper we study a model based on page interactions of higher order where we exploit set relationships among the pages of a web site. We also compare the performance of this approach with the models based on pairwise interaction and the TOP-N approach. We have conducted a comparative study of these models on a real server log and five synthetic logs with varying page frequency distributions to simulate different real life web sites and identified dominance zones for each of these models. We find that the model based on higher order page interaction is more robust and gives competitive performance in a variety of situations.
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Bhushan Pandey, Ajay; Vatsavai, Ranga R.; Ma, Xiaobin; Srivastava, Jaideep; Shekhar, Shashi. (2001). A Comparative Study on Web Prefetching. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/215470.
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