title: report on the 13th brazilian symposium on database systems ( sbbd ' 98 ) sigmod record. authors: claudia bauzer medeiros , mario a. nascimento. venue: nan. year: 1999.0
title: report on the 13th brazilian symposium on database systems ( sbbd ' 98 ) mario a. nascimento , claudia bauzer medeiros acm sigmod record. authors: nan. venue: nan. year: 1999.0