Accurate and timely information is a key motivator in the widespread adoption of CBSE technology in Europe. Although there are overlaps and informal communications between researchers and adopters of CBSE technology in Europe, there is no systematic mechanism for information interchange between the two. CBSEnet is a European Union initiative to create an Internet-based forum for the exchange of information between researchers and adopters of CBSE. This paper describes a proposed classification model for CBSE research that will form the basis for structuring the CBSEnet knowledge base.