Semantic Modeling through Identification and Characterization of Objects.

http://doi.acm.org/10.1145/382274.382400 db/journals/sigmod/Jonsson90.html Jan Jonsson Semantic Modeling through Identification and Characterization of Objects. 23-28 sigmodR/19-1/P023.pdf 1990 19 SIGMOD Record 1 db/journals/sigmod/sigmod19.html#Jonsson90