conf/vldb/91 Justin Zobel James A. Thom Ron Sacks-Davis Efficiency of Nested Relational Document Database Systems. 91-102 1991 VLDB db/conf/vldb/vldb91.html#ZobelTS91 db/conf/vldb/ZobelTS91.html VLDB91/P091.PDF journals/tois/BertinoRG88 journals/tois/ChristodoulakisTHPP86 journals/computer/Conklin87 journals/ibmsj/DadamL89 journals/is/DesaiGS87 journals/csur/Faloutsos85 conf/dexa/FullerKSTWZ91 conf/vldb/HafezO88 ... journals/is/Macleod81 ... journals/tods/RothKS88 journals/tods/Sacks-DavisK87 ... books/aw/Salton89 journals/tkde/SchekPSW90 conf/vldb/SchekP82 ... journals/jasis/ThomZ92 ... ...