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One of the major problems associated with CBSD is the difficulty in searching and retrieving reusable components that meet the requirement at hand. A similar matching-based approach to component retrieval is proposed as a solution to this problem. This approach makes use of a hierarchy semantic-based component representation that exactly expresses semantic features of components. A multi-dimensional component library is developed based on virtual components to implement automatic categorization of components. An experiment is provided to illustrate the performance of the proposed approach.