Serge Abiteboul Gabriel M. Kuper Harry G. Mairson Alexander A. Shvartsman Moshe Y. Vardi 3-15 1996 28 ACM Comput. Surv. 1 db/journals/csur/csur28.html#AbiteboulKMSV96 CSURs1/csur28/P003.pdf db/journals/csur/AbiteboulKMSV96.html journals/sigact/KanellakisA89 conf/stoc/CosmadakisGKV88 conf/pods/CosmadakisK86 journals/jlp/HillebrandKMV95 books/mk/minker88/Kanellakis88 books/el/leeuwen90/Kanellakis90 journals/jacm/AbiteboulK98 journals/debu/AbiteboulK91 journals/jcss/AbiteboulKRW95 books/mk/BancilhonDK92 journals/jlp/ChandraH85 conf/nato/HillebrandKR93 conf/pods/BenediktDLW96 journals/constraints/GoldinK96 conf/tacs/KanellakisG94 journals/jcss/KanellakisKR95 conf/pods/KanellakisRVV93 conf/sigmod/RamaswamyK95 journals/jal/BussKRS96 conf/concur/KanellakisMS94 conf/wdag/KanellakisMS93 journals/dc/KanellakisS92 conf/podc/KanellakisS91 ... journals/vldb/AbiteboulB95 journals/jlp/DworkKM84 conf/pods/HillebrandK94 conf/lics/HillebrandK96 conf/lics/HillebrandKM93 conf/icalp/KanellakisHM94 journals/iandc/Immerman86 conf/birthday/KanellakisMM91 conf/popl/KanellakisM89 journals/tcs/Mairson92 ... journals/tcs/Statman79a conf/stoc/Vardi82