A.J. Rhem & Associates (AJRA) offers the following Knowledge Management education and training
UML
How to overcome pitfalls of (E)ER and UML in Knowledge Management education
Abstract: In this paper we will present the results of research into modelling pitfalls in (Extended) Entity Relationship modelling ((E)ER) and the Unified Modelling Language (UML). We will give a precise definition of the relationship cardinality/association end multiplicity concept in (E)ER and UML based upon the various definition ‘fragments’ we have encountered in the