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Perspectives: A declarative bias mechanism for case retrieval

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Case-Based Reasoning Research and Development (ICCBR 1997)

Part of the book series: Lecture Notes in Computer Science ((LNAI,volume 1266))

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Abstract

The aim of this paper is to present a mechanism, called perspectives, to describe declarative biases for case retrieval in structured representations of cases. Our approach is based on the observation that, in complex tasks, the identification of the relevant aspects for retrieval in a given situation may involve the use of knowledge intensive methods. This identification process requires dynamical decisions about the relevant aspects of a problem and usually forces to consider non predefined retrieval indexes in the memory of cases. Declarative biases provide a flexible way of constructing dynamical perspectives for retrieval in the memory of cases. We have implemented the notion of perspectives in a reflective object-centered representation language, called Noos, based on feature terms. Finally, we have used perspectives as declarative biases for retrieval in the Saxex application, a complex real-world case-based reasoning system for generating expressive performances of melodies based on examples of human performances that are represented as structured.

The research reported on this paper has been supported by the Spanish project SMASH TIC96-1038-C04-01. Research by J.L. Arcos was also supported by a CSIC fellowship. This work has benefited from the comments and discussions with Enric Plaza.

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Authors and Affiliations

  1. Spanish Council for Scientific Research Campus UAB, IIIA, Artificial Intelligence Research Institute CSIC, 08193, Bellaterra, Catalonia, Spain

    Josep Lluís Arcos & Ramon López de Mántaras

Authors
  1. Josep Lluís Arcos
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  2. Ramon López de Mántaras
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David B. Leake Enric Plaza

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© 1997 Springer-Verlag Berlin Heidelberg

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Arcos, J.L., de Mántaras, R.L. (1997). Perspectives: A declarative bias mechanism for case retrieval. In: Leake, D.B., Plaza, E. (eds) Case-Based Reasoning Research and Development. ICCBR 1997. Lecture Notes in Computer Science, vol 1266. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-63233-6_499

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  • DOI: https://doi.org/10.1007/3-540-63233-6_499

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-63233-7

  • Online ISBN: 978-3-540-69238-6

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