Googles PageRank and beyond : the science of search engine rankings 1. Introduction to web search engines 2. Crawling indexing and query processing 3. Ranking webpages by popularity 4. The mathematics of Googles PageRank 5. Parameters in the PageRank model 6. The sensitivity of PageRank 7. The PageRank problem as a linear system 8. Issues in large scale implementation of PageRank 9. Accelerating the computation of PageRank 10. Updating the PageRank vector 11. The HITS method for ranking webpages 12. Other link methods for ranking webpages 13. The future of web information retrieval 14. Resources for information retrieval 15. The mathematics guide