Defining and validating metrics for assessing the understandability of entity-relationship diagrams.

Marcela Genero Geert Poels Mario Piattini Defining and validating metrics for assessing the understandability of entity-relationship diagrams. 534-557 2008 64 Data Knowl. Eng. 3 http://dx.doi.org/10.1016/j.datak.2007.09.011 db/journals/dke/dke64.html#GeneroPP08