Conceptual modelling: a look at system-level user interface issues

The purpose of this study was to examine the impact of structural and conceptual user interfaces on learning among High School students. Structural interfaces are interfaces which present the learner with the structure of knowledge, while conceptual ...

Although ontologies have been proposed as an important and natural means of representing real world knowledge for the development of database designs, most ontology creation is not carried out systematically. To be truly useful, a repository of ...