1. [1]H. Gallaire , ?Logic Data vs. Deductive Data Bases ?, inProc. of the Logic Programming Workshop, Algarve, Portugal, 1983 , pp. 608 -622 .
2. [2]J. Bocca, H. Decker, J-M Nicolas, L. Vieille, and M. Wallace , ?Some steps towards a DBMS based KBMS', ECRC Internal Report, KB-15, 1985 . To appear inProc. of IFIP Congress '86, Dublin, Ireland, North Holland, 1986.
3. [3]M. Jarke, and J. Koch , ?Range Nesting: A Fast Method To Evaluate Quantified Queries ?, InSIGMOD Record,13, 4 ,Proc. of the Annual Meeting-Database Week, San Jose, 23-26 March, 1983, pp. 196-206.
4. From Data Management to Knowledge Management