Retrieval Based on Self-explicative Memories

Authors:
Albert Fornells;Eva Armengol;Elisabet Golobardes
Affiliations:
Grup de Recerca en Sistemes Intel.ligents Enginyeria i Arquitectura La Salle, Universitat Ramon Llull, Barcelona, (Spain) 08022;IIIA - Artificial Intelligence Research Institute, CSIC - Spanish Council for Scientific Research, Bellaterra, (Spain) 08193;Grup de Recerca en Sistemes Intel.ligents Enginyeria i Arquitectura La Salle, Universitat Ramon Llull, Barcelona, (Spain) 08022
Venue:
ECCBR '08 Proceedings of the 9th European conference on Advances in Case-Based Reasoning
Year:
2008

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Abstract

One of the key issues in Case-Based Reasoning (CBR) systems is the efficient retrieval of cases when the case base is huge and/or it contains uncertainty and partial knowledge. We tackle these issues by organizing the case memory using an unsupervised clustering technique to identify data patterns for promoting all CBR steps. Moreover, another useful property of these patterns is that they provide to the user additional information about why the cases have been selected and retrieved through symbolic descriptions. This work analyses the introduction of this knowledge in the retrieve phase. The new strategies improve the case retrieval configuration procedure.