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Mercator: A Scalable, Extensible Web Crawler

This paper describes Mercator, a scalable, extensible web crawler written entirely in Java. Scalable web crawlers are an important component of many web services, but their design is not...

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IRLbot: Scaling to 6 Billion Pages and Beyond

Abstract: This paper shares our experience in designing a web crawler that can download billions of pages using a single-server implementation and models its performance. We show that with the...

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UbiCrawler: A Scalable Fully Distributed Web Crawler

We report our experience in implementing UbiCrawler, a scalable distributed Web crawler, using the Java programming language. The main features of UbiCrawler are platform independence, linear...

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