Categorizing Case-Base Maintenance: Dimensions and Directions
David B. Leake and David C. Wilson. Advances in Case-Based Reasoning:
Proceedings of EWCBR-98,
Berlin. 13 pages.
Experience with the growing number of large-scale CBR systems has led
to increasing recognition of the importance of case-base maintenance.
Multiple researchers have addressed pieces of the case-base
maintenance problem, considering such issues as maintaining
consistency and controlling case-base growth. However, despite the
existence of these cases of case-base maintenance, there is no general
framework of dimensions for describing case-base maintenance systems.
Such a framework would be useful both to understand the state of the
art in case-base maintenance and to suggest new avenues of exploration
by identifying points along the dimensions that have not yet been
studied. This paper presents a first attempt at identifying the
dimensions of case-base maintenance. It shows that characterizations
along such dimensions can suggest avenues for future case-base
maintenance research and presents initial steps exploring one of those
avenues: identifying patterns of problems that require generalized
revisions and addressing them with lazy updating.
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