conf/pods/93 Martha Escobar-Molano Richard Hull Dean Jacobs Safety and Translation of Calculus Queries with Scalar Functions. 253-264 1993 PODS db/conf/pods/pods93.html#Escobar-MolanoHJ93 http://doi.acm.org/10.1145/153850.153909 db/conf/pods/Escobar-MolanoHJ93.html journals/anthology/cd1-3:PODS93/P253.PDF journals/anthology/dvd1:text/1-3/PODS93/P253.PDF journals/vldb/AbiteboulB95 journals/tods/BeeriB79 conf/pods/BeeriM92 ... ... conf/dbpl/Dayal89 ... ... conf/edbt/GhandeharizadehHJ92 ... journals/tods/GelderT91 conf/vldb/HullJ91 conf/dbpl/JacobsH91 books/cs/Maier83 conf/pods/RamakrishnanBS87 journals/tods/Schmidt77 journals/tcs/Topor87 ... ... books/cs/Ullman88