title: database research at the university of oklahoma. authors: sirirut vanichayobon , leonard brown , ravi a. dirckze , sylvain guinepain , carlos sánchez , le gruenwald , brian summers. venue: sigmod record. year: 1999
title: the microsoft database research group. authors: david lomet , roger barga , surajit chaudhuri , paul larson , vivek narasayya. venue: acm sigmod record. year: 1998