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1991 (3)

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ECOOP '91 : European conference on object-oriented programming
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ISBN: 3540542620 3540475370 Year: 1991 Publisher: Berlin Springer

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Abstract

ECOOP '91 is the fifth annual European Conference on Object-Oriented Programming. From their beginning, the ECOOP conferences have been very successful as a forum of high scientific quality where the newest devel- opments connected to object-oriented programming and related areas could be presented and discussed. Over the last few years object-oriented technology has gained widespread use and considerable popularity. In parallel with this, the field has matured scientifically, but there is still a lot of room for new ideas and for hot debates over fundamental issues, as these proceedings show. The 22 papers in this volume were selected by the programme committee from 129 submissions. Important issues discussed in the contributions are language design, specification, databases, concurrency types and software development.

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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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

Parallel database systems : PRISMA workshop, Noordwijk, September 24-26, 1990 : proceedings
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ISBN: 3540541322 3540474323 Year: 1991 Volume: vol 503 Publisher: Berlin London Paris Springer

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Abstract

This volume presents the proceedings of a workshop on parallel database systems organized by the PRISMA (Parallel Inference and Storage Machine) project. The invited contributions by internationally recognized experts give a thorough survey of several aspects of parallel database systems. The second part of the volume gives an in-depth overview of the PRISMA system. This system is based on a parallel machine, where the individual processors each have their own local memory and communicate with each other over a packet-switched network. On this machine a parallel object-oriented programming language, POOL-X, has been implemented, which provides dedicated support for database systems as well as general facilities for parallel programming. The POOL-X system then serves as a platform for a complete relational main-memory database management system, which uses the parallelism of the machine to speed up significantly the execution of database queries. The presentation of the PRISMA system, together with the invited papers, gives a broad overview of the state of the art in parallel database systems.

Keywords

Banques de données--Gestion --- Computer architecture --- Computerarchitectuur --- Data base management --- Database management --- Databasebeheer --- Databases--Beheer --- Gegevensbanken--Beheer --- Gegevensbestanden--Beheer --- Generalized data management systems --- Ordinateurs--Architecture --- Parallel processing (Electronic computers) --- Parallelle verwerking (Computers) --- Systems [Data base management ] --- Systems [Generalized data base management ] --- Traitement parallèle (Ordinateurs) --- 681.3*C12 --- 681.3*D13 --- 681.3*H24 --- Multiple data stream architectures (multiprocessors): MIMD; SIMD; pipeline and parallel processors; array-, vector-, associative processors; interconnection architectures: common bus, multiport memory, crossbar switch --- Concurrent programming --- Systems: concurrency; distributed systems; query processing; transaction processing (Database management) --- 681.3*H24 Systems: concurrency; distributed systems; query processing; transaction processing (Database management) --- 681.3*D13 Concurrent programming --- 681.3*C12 Multiple data stream architectures (multiprocessors): MIMD; SIMD; pipeline and parallel processors; array-, vector-, associative processors; interconnection architectures: common bus, multiport memory, crossbar switch --- Computer network architectures. --- Data structures (Computer scienc. --- Database management. --- Computer science. --- Computer System Implementation. --- Data Structures and Information Theory. --- Database Management. --- Programming Techniques. --- Processor Architectures. --- Informatics --- Science --- Architectures, Computer network --- Network architectures, Computer --- Data services (Database management) --- Database management services --- DBMS (Computer science) --- Services, Database management --- Systems, Database management --- Systems, Generalized database management --- Electronic data processing

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