Costagliola and his team present a framework for modeling visual notations (such as entity-relationship diagrams, flow charts, and class diagrams). The IT artifact of their research is therefore a model. They claim this framework/ model will enable the next generation of CASE tools to support systems modeling and the syntactic and semantic correction of any models produced.

Discuss if his development of the framework for modeling visual notations is a research methodology and why. Describe the role of framework development in IT research.