Retrieving broken web links using an approach based on contextual information
Proceedings of the 20th ACM conference on Hypertext and hypermedia
Analyzing information retrieval methods to recover broken web links
ECIR'2010 Proceedings of the 32nd European conference on Advances in Information Retrieval
Updating broken web links: An automatic recommendation system
Information Processing and Management: an International Journal
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PageChaser is a system that monitors links between Web pages and searches for the new locations of moved Web pages when it finds broken links. The problem of searching for moved pages is different from typical information retrieval problems. First, it is impossible to identify the final destination until the page is actually moved, so the index-server approach is not necessarily effective. Secondly, there is a large bias about where the new address is likely to be and crawler-based solutions can be effectively implemented, avoiding the need to search the entire Web. PageChaser incorporates a comprehensive set of heuristics, some of which are novel, in a single unified framework. This paper explains the underlying ideas behind the design and development of PageChaser.