conf/pods/87 Paolo Atzeni Maria Cristina De Bernardis 79-86 1987 PODS db/conf/pods/pods87.html#AtzeniB87 http://doi.acm.org/10.1145/28659.28667 db/conf/pods/AtzeniB87.html journals/anthology/cd1-3:PODS87/P079.PDF journals/anthology/dvd1:text/1-3/PODS87/P079.PDF conf/pods/AtzeniC85 journals/iandc/AtzeniM86 conf/sigmod/Chan84 ... journals/jcss/CosmadakisKS86 journals/jacm/Fagin82 journals/jcss/GrahamY84 journals/jacm/GrahamMV86 conf/vldb/Honeyman80 journals/jacm/Honeyman82 journals/siamcomp/ItoIK85 journals/jacm/Lien82 journals/tods/MaierMS79 ... journals/tods/MaierUV84 journals/tods/Mendelzon84 conf/sigmod/Sagiv81 journals/tods/Sagiv83 conf/pods/Sagiv85a ... conf/vldb/Yannakakis81 journals/jcss/Zaniolo84