Abstract
Empirical equations and rules are important classes of regularities that can be discovered in databases. We concentrate on their role as definitions of attribute values. Such definitions can be used in many ways in a single database and for transfer of knowledge between databases. We analyze quests for definitions of an attribute in a given database. A quest triggers a discovery mechanism that specializes in searching recursively a system of databases and returns a set of partial definitions. We introduce the notion of shared operational semantics founded on an equation-based and rule-based system of partial definitions. It gives necessary foundations for designing local query answering systems in a distributed knowledge system (DKS).
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żytkow, J.M., Raś, Z.W. (2000). Foundations and Discovery of Operational Definitions. In: Raś, Z.W., Ohsuga, S. (eds) Foundations of Intelligent Systems. ISMIS 2000. Lecture Notes in Computer Science(), vol 1932. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-39963-1_61
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DOI: https://doi.org/10.1007/3-540-39963-1_61
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