Carolina Bonacic Carlos García Mauricio Marín Manuel Prieto Francisco Tirado Cesar Vicente Improving Search Engines Performance on Multithreading Processors. 201-213 2008 VECPAR http://dx.doi.org/10.1007/978-3-540-92859-1_19 conf/vecpar/2008 db/conf/vecpar/vecpar2008.html#BonacicGMPTV08