Evolution of Data Modeling for Databases


The focus has subsequently shifted to modeling data as seen by the application and the user. Basic data abstraction concepts of classification , generalization, aggregation, and identification were applied in different combinations and different degrees to produce a plethora of "semantic" data models in the late 1970s and early 1980s. This article traces… (More)
DOI: 10.1145/130994.131001


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