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The following page has been changed by PacoNathan: http://wiki.apache.org/hadoop/PoweredBy The comment on the change is: added Adknowledge ------------------------------------------------------------------------------ * [http://www.ablegrape.com/ Able Grape] - Vertical search engine for trustworthy wine information * We have one of the world's smaller hadoop clusters (2 nodes @ 8 CPUs/node) * Hadoop and Nutch used to analyze and index textual information + + * [http://adknowledge.com/ Adknowledge] - Ad network + * Hadoop used to build the recommender system for behavioral targeting, plus other clickstream analytics + * We handle 500MM clickstream events per day + * Our clusters vary from 50 to 200 nodes, mostly on EC2. + * Investigating use of R clusters atop Hadoop for statistical analysis and modeling at scale. * [http://www.backdocsearch.com backdocsearch.com] - search engine for chiropractic information, local chiropractors, products and schools
