Maurice A. W. Houtsma, Peter M. G. Apers. Data and Knowledge Model: A Proposal. In François Bancilhon, Peter Buneman, editors, Advances in Database Programming Languages, Papers from DBPL-1, September 1987, Roscoff, France. pages 387-402, ACM Press / Addison-Wesley, 1987. [doi]
@inproceedings{HoutsmaA87, title = {Data and Knowledge Model: A Proposal}, author = {Maurice A. W. Houtsma and Peter M. G. Apers}, year = {1987}, tags = {meta-model, data-flow, Meta-Environment}, researchr = {https://researchr.org/publication/HoutsmaA87}, cites = {0}, citedby = {0}, pages = {387-402}, booktitle = {Advances in Database Programming Languages, Papers from DBPL-1, September 1987, Roscoff, France}, editor = {François Bancilhon and Peter Buneman}, publisher = {ACM Press / Addison-Wesley}, isbn = {0-201-50257-7}, }