Description
. . . . . . . . . . 190 PascalFontaine,E. PascalGribomont XII TableofContents OnExpressiveDescriptionLogicswithCompositionofRolesin NumberRestrictions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 FabioGrandi QueryOptimizationofDisjunctiveDatabaseswithConstraints throughBindingPropagation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216 GianluigiGreco,SergioGreco,IrinaTrubtsyna,EsterZumpano ANon-commutativeExtensionofMELL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231 AlessioGuglielmi,LutzStraĆburger ProceduralSemanticsforFuzzyDisjunctivePrograms. . . . . . . . . . . . . . . . . . 247 Du?sanGuller PushdownSpeci?cations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262 OrnaKupferman,NirPiterman,MosheY. Vardi TheoremProvingwithSequenceVariablesandFlexible AritySymbols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .