Guozhu Dong On the Composition and Decomposition of Datalog Program Mappings. 87-101 ICDT1988/P087.pdf 1988 ICDT db/conf/icdt/icdt88.html#Dong88 conf/icdt/88 http://dx.doi.org/10.1007/3-540-50171-1_5 books/mk/minker88/AptBW88 conf/sigmod/BancilhonR86 conf/eds/ChakravarthyFM84 ... ... ... conf/vldb/Ioannidis85 journals/tcs/LassezM84 books/sp/Lloyd84 conf/pods/NaughtonS87 conf/pods/Sagiv87 conf/pods/Vardi88