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Title: Understanding the impact of compression on web retrieval performance
Authors: Yuan, J.L. 
Li, X.
Chi, C.-H.
Issue Date: 2005
Citation: Yuan, J.L.,Li, X.,Chi, C.-H. (2005). Understanding the impact of compression on web retrieval performance. AusWeb05: 11th Australasian World Wide Web Conference. ScholarBank@NUS Repository.
Abstract: Compression is an important technique used to improve web retrieval latency. Many studies report the benefit of compression to be high. However, those studies mainly focus on object retrieval latency. In web access, page retrieval latency is more meaningful because the basic unit of web browsing is page instead of object. Thus it is important to study the impact of compression on page retrieval latency. In this paper, we investigate the factors that affect page latency and systematically study the impact of two different compression mechanisms on them. Our results show that pre-compression outperforms real-time compression in all situations, and the improvement on page latency achieved by compression is much lower than it does on object latency due to some factors specially found in page retrieval such as the dependency among objects in a page and the parallelism used in web retrieval. © 2005. JunLi Yuan, Xiang Li, Chi-Hung Chi.
Source Title: AusWeb05: 11th Australasian World Wide Web Conference
Appears in Collections:Staff Publications

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