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<p>A concept for knowledge discovery and evolution in databases is described. The key issues include: using a database query to discover new rules; using not only positive examples (answer to a query), but also negative examples to discover new rules; and harmonizing existing rules with the new rules. A tool for characterizing the exceptions in databases and evolving knowledge as a database evolves is developed.</p>
knowledge discovery; knowledge evolution; databases; database query; rules; exceptions; deductive database; relational database; database theory; deductive databases; query processing; relational databases
J.P. Yoon, L. Kerschberg, "A Framework for Knowledge Discovery and Evolution in Databases", IEEE Transactions on Knowledge & Data Engineering, vol. 5, no. , pp. 973-979, December 1993, doi:10.1109/69.250080
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