conf/sigmod/97 Nita Goyal Charles Hoch Ravi Krishnamurthy Brian Meckler Michael Suckow Moshé M. Zloof Picture Programming Project. 514-516 1997 SIGMOD Conference db/conf/sigmod/sigmod97.html#GoyalHKMSZ97 http://doi.acm.org/10.1145/253260.253377 db/conf/sigmod/GoyalHKMSZ97.html SIGMOD97/P514.PDF conf/sigmod/GoyalHKMS96 conf/icde/KrishnamurthyZ95