Authors: Hermann, M Kolaitis, PG

Citation: M. Hermann et Pg. Kolaitis, Unification algorithms cannot be combined in polynomial time, INF COMPUT, 162(1-2), 2000, pp. 24-42

Authors: Afrati, FN Kolaitis, PG

Citation: Fn. Afrati et Pg. Kolaitis, Database theory - Foreword, THEOR COMP, 239(2), 2000, pp. 187-187

Authors: Kolaitis, PG Vardi, MY

Citation: Pg. Kolaitis et My. Vardi, Conjunctive-query containment constraint satisfaction, J COMPUT SY, 61(2), 2000, pp. 302-332