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Presented by Chandra Mouleeswaran, Co Chair at Intellifest.org, ThreatMetrix
This talk will present our experiences in using Lucene/Solr to the classification of user and device data. On a daily basis, ThreatMetrix, Inc., handles a huge volume of volatile data. The primary challenge is rapidly and precisely classifying each incoming transaction, by searching a huge index within a very strict latency specification. The audience will be taken through the various design choices and the lessons learned. Details on introducing a hierarchical search procedure that systematically divides the search space into manageable partitions, yet maintaining precision, will be presented.