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Meta-Level Control for Deductive Database Systems

Format Post in Database BY Helmut Schmidt

3540537546 Shared By Guest

Meta-Level Control for Deductive Database Systems Helmut Schmidt is available to download <table><tr><td colspan="2"><strong style="font-size:1.This material is available do download at niSearch.com on Helmut Schmidt's eBooks, 2em;">Meta-Level Control for Deductive Database Systems</strong><br/>Helmut Schmidt</td></tr> <tr> <td><b>Type:</b></td> <td>eBook</td> </tr> <tr> <td><b>Released:</b></td> <td>1991</td> </tr> <tr> <td><b>Publisher:</b></td> <td>Springer</td> </tr> <tr> <td><b>Page Count:</b></td> <td>161</td> </tr> <tr> <td><b>Format:</b></td> <td>djvu</td> </tr> <tr> <td><b>Language:</b></td> <td>English</td> </tr> <tr> <td><b>ISBN-10:</b></td> <td>3540537546</td> </tr> <tr> <td><b>ISBN-13:</b></td> <td>9783540537540</td> </tr> </table> The development of database technology has currently reached the stage of deductive database systems which use Horn clauses for defining relations.Meta-Level Control for Deductive ... Textbook An important characteristic of these systems is the clear separation of logic and control. However, the programmer cannot affect the control part of a deductive database system. To eliminate this deficiency, this monograph presents a so-called expert deductive database system that allows explicit control of the deduction process. The system consists of an object-level describing the logical aspects of a problem and of a meta-level that contains application-specific control information affecting the object-level deduction process. For example, object-level rules can be disregarded, and some tuples deduced at the object-level can be preferred to others. Besides the architecture of this system, the book also identifies some important possibilities of deduction control which are explained by characteristic examples.

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