@workingPaper{BaaderBuchheitJeusfeldNutt_1995, title={Working notes of the KI'95 Workshop : KRDB-95 - Reasoning about structured objects : knowledge representation meets databases ; Bielefeld, Germany, Sept. 11-12, 1995}, author={Baader, Franz and Buchheit, Martin and Jeusfeld, Manfred A. and Nutt, Werner}, doi={http://dx.doi.org/10.22028/D291-25372}, year={1995} }