Serge Abiteboul;Richard Hull
INRIA, Domaine de Voluceau Rocquencourt, BP 105, 78153 Le Chesney Cedex, France;Department of Computer Science, ECOT 7-7 Engineering Center, University of Colorado, Boulder, CO
IFO: a formal semantic database model
ACM Transactions on Database Systems (TODS)
A close look at the IFO data model
ACM SIGMOD Record