Z. Meral Özsoyoglu Li-Yan Yuan 111-136 TODS12/P111.PDF 1987 12 ACM Trans. Database Syst. 1 db/journals/tods/tods12.html#OzsoyogluY87 http://doi.acm.org/10.1145/12047.13676 db/journals/tods/OzsoyogluY87.html conf/pods/AbiteboulB84 ... conf/vldb/BeeriBG78 conf/sigmod/BeeriFH77 journals/jacm/BeeriFMY83 conf/pods/BeeriK83 conf/vldb/BeeriK84 journals/cacm/Codd70 journals/tods/Fagin77 conf/pods/FischerG84 ... ... conf/pods/JaeschkeS82 ... journals/tods/Lien81 journals/jacm/Lien82 books/cs/Maier83 conf/vldb/Makinouchi77 journals/tods/OzsoyogluOM87 ... ... ... conf/sigmod/Sciore81 books/cs/Ullman82 conf/pods/YuanO86 journals/tods/ZanioloM81