@techreport{1995-Hofstede-CT, author = "{Hofstede}, A.H.M. ter and {Lippe}, E. and {van der Weide}, Th.P.", title = "{A Categorical Framework for Conceptual Data Modeling: Definition, Application, and Implementation}", number = "CSI--R9512", month = "November", institution = "Computing Science Institute, University of Nijmegen, Nijmegen, The Netherlands", year = "1995", code = "icis.CSI-R9512", research_group = "iris", class = "Report" }