The topic of logic programming and databases. has gained in creasing interest in recent years. Several events have marked the rapid evolution of this field: the

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Foundations of Deductive Databases and Logic Programming focuses on the foundational issues concerning deductive databases and logic programming. The selection

Time is ubiquitous in information systems. Almost every enterprise faces the problem of its data becoming out of date. However, such data is often valu able, so

The interaction of database and AI technologies is crucial to such applications as data mining, active databases, and knowledge-based expert systems. This volum