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LOGIDATA+: deductive databases with complex objects
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ISBN: 354056974X 038756974X 3540478442 Year: 1993 Volume: vol 701 Publisher: Berlin : Springer-Verlag,

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Abstract

This book presents a collection of coordinated scientific papers describing the work conducted and the results achieved within the LOGIDATA+ project, a research action funded by the Italian national research council CNR. Theaim of the LOGIDATA+ project is the definition of advanced database systems which significantly extend the functionalities of the current systems, with specific reference to the application areas for which relational systemsare not considered satisfactory. These new systems will allow the definitionof data with complex structures, the representation of semantic relationships between objects, and the use of powerful query and update languages. They will be based on a combination of techniques originatingfrom relational databases and logic programming, with contributions from object-oriented programming. The goal of the LOGIDATA+ project is the design, definition, and prototype implementation of a database management system with complex structures and a class hierarchy, to be accessed through a rule-based language. This book presents an integrated view of the project at the end of the first phase. The second phase will be mainly concerned with the implementation of prototypes.

Foundations of deductive databases and logic programming
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ISBN: 0934613400 1322469830 1483221121 9780934613408 Year: 1988 Publisher: Los Altos : M. Kaufmann,

Meta-Level control for deductive database systems
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ISBN: 3540537546 3540470824 Year: 1991 Volume: 479 *25 Publisher: Berlin Heidelberg London Springer-Verlag

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Abstract

The development of database technology has currently reached the stage of deductive database systems which use Horn clauses for defining relations. 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.

Keywords

Banques de données--Gestion --- Bases de données déductives --- Data base management --- Database management --- Databasebeheer --- Databases--Beheer --- Deductieve data bases --- Deductive data bases --- Deductive databases --- Gegevensbanken--Beheer --- Gegevensbestanden--Beheer --- Generalized data management systems --- Systems [Data base management ] --- Systems [Generalized data base management ] --- 681.3*H28 --- 681.3*H23 --- 681.3*H24 --- Database applications --- Languages: data description languages; DDL; data manupulation languages; DML;query languages; report writers (Database management) --- Systems: concurrency; distributed systems; query processing; transaction processing (Database management) --- Database management. --- Deductive databases. --- 681.3*H24 Systems: concurrency; distributed systems; query processing; transaction processing (Database management) --- 681.3*H23 Languages: data description languages; DDL; data manupulation languages; DML;query languages; report writers (Database management) --- 681.3*H28 Database applications --- Databases --- Data services (Database management) --- Database management services --- DBMS (Computer science) --- Services, Database management --- Systems, Database management --- Systems, Generalized database management --- Electronic data processing --- Data structures (Computer scienc. --- Artificial intelligence. --- Data Structures and Information Theory. --- Database Management. --- Artificial Intelligence. --- AI (Artificial intelligence) --- Artificial thinking --- Electronic brains --- Intellectronics --- Intelligence, Artificial --- Intelligent machines --- Machine intelligence --- Thinking, Artificial --- Bionics --- Cognitive science --- Digital computer simulation --- Logic machines --- Machine theory --- Self-organizing systems --- Simulation methods --- Fifth generation computers --- Neural computers

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