conf/sigmod/93 Gio Wiederhold Intelligent Integration of Information. 434-437 1993 SIGMOD Conference db/conf/sigmod/sigmod93.html#Wiederhold93 http://doi.acm.org/10.1145/170035.170118 db/conf/sigmod/Wiederhold93.html SIGMOD93/P434.PDF conf/sigmod/BarsalouKSW91 ... journals/computer/CutkoskyEFGGMTW93 journals/tkde/DeMichiel89 ... ... journals/computer/Wiederhold92 ... ...