Google Patent
Some amazing information about the Google algorithm can be found here: http://www.seomoz.org/article/google-historical-data-patent
All the information is from these sources:
- The patent from US Patent and Trademark Office - US Patent #20050071741 – Information retrieval based on historical data
- From SEOChat Forums - Information Retrieval Based on Historical Data – Sandbox Explanation, Aging Delay?
- From Threadwatch - Google’s War on SEO – Documented
- From SearchEngineWatch Forums - Does New Google Patent Validate Sandbox Theory?
- From HighRankings Forum - New Google Patent, Must Read
- From SERoundtable - Sandbox Explained by Google? “Information retrieval based on historical data”
- From Search Science (Xan Porter) - New Google patent proves “sandbox” exists



