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Missing web pages are part of the browsing experience. The manual use of search engines to rediscover missing pages can be frustrating and unsuccessful. The authors compare four automated methods for rediscovering web pages. They extract the page's title, generate the page's Lexical Signature (LS), obtain the page's tags from the bookmarking website delicious.com and generate a LS from the page's link neighborhood. They use the output of all methods to query Internet search engines and analyze their retrieval performance.
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