title: database research at the university of oklahoma l gruenwald , l brown , r dirckze , s guinepain , c sсnchez , b summers , s vanichayobon. authors: nan. venue: sigmod record. year: 1999.0
title: database research activities at the university of wisconsin h boral , dj dewitt , rh katz , a klug. authors: nan. venue: acm sigmod record ,. year: 1982.0