“…Methodologies included CommonKADS (Schreiber, Wielinga, de Hoog, Akkermans & van de Velde, 1994), Components of Expertise (Steels, 1990), Problem-Solving Methods (McDermott, 1988), Generalised Directive Models (Motta, O'Hara & Shadbolt;, Prote´ge ( Musen, 1989), Generic Tasks (Chandrasekaran, 1986) and task structures (Chandrasekaran, Johnson & Smith, 1992). Besides providing structure and organization for the development process, these frameworks also furnish libraries of reusable components that can be selected and adapted for new applications (Breuker & van de Velde, 1994;Puerta, Egar, Tu & Musen, 1992) such as diagnosis (Benjamins & Jansweijer, 1994), assessment (Valente & Lo¨ckenhoff, 1993) and design (Chandrasekaran, 1990).…”