... The engineers have their ownsystem will be used to represent both notions.work area for creating, changing, testing, and integratingcode. At a certain point, the code is made into a baseline1.3 ... typical concepts in commercially-used CM systems. It is envi-Regarding the extraction of concepts from CM systems, sioned that as research continues, and experience in usingthe descriptions presented in ... of Com- concepts, as shown in the spectrum?puter Aided Software Engineering (CASE) tools. For in- stance, should CASE tool vendors bypass implementingAnother difficulty in extracting concepts...