A. Y. Lu Phillip C.-Y. Sheu Processing of Multiple Queries in Distributed Databases. 42-49 ICDE91/P042.pdf 1991 ICDE db/conf/icde/icde91.html#LuS91 conf/icde/91 db/conf/icde/LuS91.html conf/isca/GuptaFNW86 conf/vldb/ChakravarthyM86 books/mg/CeriP84 journals/tods/BernsteinGWRR81 conf/sigmod/Finkelstein82 journals/ai/Forgy82 conf/vldb/Gallaire81 journals/csur/GallaireMN84 ... conf/sigmod/KambayashiYY82 journals/computer/Kellogg86 books/sp/kimrb85/Jarke85 books/sp/kimrb85/Kim85 conf/oopsla/MaierSOP86 journals/dke/ParkTL89 conf/sigmod/Sellis86 ... ... conf/berkeley/Wong77