Advanced CBR Elements

This chapter starts by providing a general view of advanced concepts in preparation for a deeper discussion of the elements explained in Part II. It starts by discussing the advanced aspect of the relationships between containers. The new concepts presented here are however of heterogeneous character in order to cover some aspects not yet presented. We also present a deeper discussion of contexts; CBR systems, their properties, their conditions, and so on; and ontologies. This chapter also includes a refined view on properties of cases as well as of case bases, provenance and distributed case bases. Next, the relation between similarity and utility is discussed in an informal way from the viewpoint of practical applications. Then the context concept is made precise. The types of contexts were structured from very general contexts on the top level down to more specific contexts on the lower levels. The relations to contexts were brought into a relation to the knowledge containers; this will play later a major role in developing systems. The considerations in the generalized approach were deepened and investigated from the e-commerce viewpoint where the gap between functionalities and products is considered.

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