Google faces two large technical challenges: ensuring that our search results are as relevant as possible, and serving hundreds of millions of queries in a fraction of a second at a reasonable cost. To solve the first problem, we perform an offline matrix computation to produce PageRank, a query independent measure of page reputation, and combine it with more traditional query-specific scoring. To solve the distributed computing problem, we use tens of thousands of commodity PCs and highly fault-tolerant software. I will discuss some details of these solutions, and alsoshare some interesting statistical tidbits about search and the web.

For more information about Craig please visit his web site:
http://craig.nevill-manning.com/

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