Elisa Bertino Paola Foscoli Index Organizations for Object-Oriented Database Systems. 193-209 1995 7 IEEE Trans. Knowl. Data Eng. 2 db/journals/tkde/tkde7.html#BertinoF95 db/journals/tkde/BertinoF95.html TKDE7/k0193.pdf journals/tkde/BertinoK89 conf/icde/Bertino91 journals/computer/BertinoM91 journals/tkde/Bertino97 conf/ride/BertinoQ92 conf/edbt/BertinoM92 conf/future/BertinoBDMMR92 journals/tkde/BertinoNPS92 journals/dke/BertinoG93 books/mk/freytagMV91/Bertino91 conf/sigmod/BorgidaBMR89 conf/sigmod/CacaceCCTZ90 conf/sigmod/CareyDV88 conf/icde/Jhingran91 conf/sigmod/KemperM90 conf/sigmod/KemperKM91 books/aw/kimL89/KimKD89 conf/oodbs/MaierS86 journals/tkde/StonebrakerRH90 journals/tods/Valduriez87 conf/dood/Zaniolo89 journals/cacm/Yao77