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Constraint Databases and Applications

Constraint Databases and Applications
Author: Bart Kuijpers
Publisher: Springer Science & Business Media
Total Pages: 192
Release: 2004-06-02
Genre: Computers
ISBN: 3540221263

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The ?rst International Symposium on the Applications of Constraint Databases (CDB2004) took place in Paris, France, on June 12–13, 2004, just before the ACM SIGMOD and PODS conferences. Since the publication of the paper “Constraint Query Languages” by Kan- lakis, Kuper and Revesz in 1990, the last decade has seen a growing interest in constraint database theory, query evaluation, and applications, re?ected in a variety of conferences, journals, and books. Constraint databases have proven to be extremely ?exible and adoptable in environments that relational database systems cannot serve well, such as geographic information systems and bioinf- matics. This symposium brought together people from several diverse areas all c- tributing to the practice and the application of constraint databases. It was a continuation and extension of previous workshops held in Friedrichshafen, G- many (1995), Cambridge, USA (1996), Delphi, Greece (1997), and Seattle, USA (1998) as well as of the work in the comprehensive volume “Constraint Data- ses” edited by G. Kuper, L. Libkin and J. Paredaens (2000) and the textbook “Introduction to Constraint Databases” by P. Revesz (2002). The aim of the symposium was to open new and future directions in c- straint database research; to address constraints over domains other than the reals; to contribute to a better implementation of constraint database systems, in particular of query evaluation; to address e?cient quanti?er elimination; and to describe applications of constraint databases.


Introduction to Constraint Databases

Introduction to Constraint Databases
Author: Peter Revesz
Publisher: Springer Science & Business Media
Total Pages: 406
Release: 2006-04-18
Genre: Computers
ISBN: 038721688X

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Differing from other books on the subject, this one uses the framework of constraint databases to provide a natural and powerful generalization of relational databases. An important theme running through the text is showing how relational databases can smoothly develop into constraint databases, without sacrificing any of the benefits of relational databases whilst gaining new advantages. Peter Revesz begins by discussing data models and how queries may be addressed to them. From here, he develops the theory of relational and constraint databases, including Datalog and the relational calculus, concluding with three sample constraint database systems -- DISCO, DINGO, and RATHER. Advanced undergraduates and graduates in computer science will find this a clear introduction to the subject, while professionals and researchers will appreciate this novel perspective on their subject.


Constraint Databases

Constraint Databases
Author: Gabriel Kuper
Publisher: Springer Science & Business Media
Total Pages: 430
Release: 2013-03-09
Genre: Computers
ISBN: 366204031X

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This is the first comprehensive survey of the field of constraint databases, written by leading researchers. Constraint databases are a fairly new and active area of database research. Their ability to deal with infinite sets makes them particularly promising as a technology for integrating spatial and temporal data with standard relational databases. Constraint databases bring techniques from a variety of fields, such as logic and model theory, algebraic and computational geometry, as well as symbolic computation, to the design and analysis of data models and query languages.


Constraint Databases and Applications

Constraint Databases and Applications
Author: Gabriel Kuper
Publisher: Boom Koninklijke Uitgevers
Total Pages: 204
Release: 1996-01-24
Genre: Computers
ISBN: 9783540607946

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This book constitutes the refereed proceedings of the ESPRIT Working Group CONTESSA Workshop on Constraint Databases and Applications, held in Friedrichshafen, Germany in September 1995. The 10 full revised papers selected for inclusion in this volume are written by and for practitioners, researchers, and application users of core constraint database technology; they can be classified in three sections on expressiveness of the various constraint database models; implementation and optimization issues in areas like spatial databases, geographic information systems, scheduling and routing. This book is the first to focus on the extension of the important new programming paradigm of constraint processing to database design and management.


Constraint Databases and Applications

Constraint Databases and Applications
Author: Volker Gaede
Publisher: Boom Koninklijke Uitgevers
Total Pages: 364
Release: 1996-12-19
Genre: Business & Economics
ISBN: 9783540625018

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This book presents the refereed proceedings of the Second International Workshop on Constraint Database Systems, CDB '97, held in Delphi, Greece, in January 1997 together with some papers presented at the CP '96 Workshop on Constraints and Databases, held in Cambridge, Massachussetts, in August 1996. The 18 revised full papers presented were carefully reviewed and selected for inclusion in the volume; also included are the extended abstract of an invited contribution and two survey papers. The papers are organized in sections on languages, expressiveness of spatial languages, systems, temporal applications, new applications, indexing, constraint programming, and optimization.


Constraints and Databases

Constraints and Databases
Author: Raghu Ramakrishnan
Publisher: Springer Science & Business Media
Total Pages: 196
Release: 1997-12-31
Genre: Computers
ISBN: 9780792380450

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Constraints and Databases contains seven contributions on the rapidly evolving research area of constraints and databases. This collection of original research articles has been compiled as a tribute to Paris C. Kanellakis, one of the pioneers in the field. Constraints have long been used for maintaining the integrity of databases. More recently, constraint databases have emerged where databases store and manipulate data in the form of constraints. The generality of constraint databases makes them highly attractive for many applications. Constraints provide a uniform mechanism for describing heterogenous data, and advanced constraint solving methods can be used for efficient manipulation of constraint data. The articles included in this book cover the range of topics involving constraints and databases; join algorithms, evaluation methods, applications (e.g. data mining) and implementations of constraint databases, as well as more traditional topics such as integrity constraint maintenance. Constraints and Databases is an edited volume of original research comprising invited contributions by leading researchers.


Enterprise Rails

Enterprise Rails
Author: Dan Chak
Publisher: "O'Reilly Media, Inc."
Total Pages: 354
Release: 2008-10-21
Genre: Computers
ISBN: 0596554087

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What does it take to develop an enterprise application with Rails? Enterprise Rails introduces several time-tested software engineering principles to prepare you for the challenge of building a high-performance, scalable website with global reach. You'll learn how to design a solid architecture that ties the many parts of an enterprise website together, including the database, your servers and clients, and other services as well. Many Rails developers think that planning for scale is unnecessary. But there's nothing worse than an application that fails because it can't handle sudden success. Throughout this book, you'll work on an example enterprise project to learn first-hand what's involved in architecting serious web applications. With this book, you will: Tour an ideal enterprise systems layout: how Rails fits in, and which elements don't rely on Rails Learn to structure a Rails 2.0 application for complex websites Discover how plugins can support reusable code and improve application clarity Build a solid data model -- a fortress -- that protects your data from corruption Base an ActiveRecord model on a database view, and build support for multiple table inheritance Explore service-oriented architecture and web services with XML-RPC and REST See how caching can be a dependable way to improve performance Building for scale requires more work up front, but you'll have a flexible website that can be extended easily when your needs change. Enterprise Rails teaches you how to architect scalable Rails applications from the ground up. "Enterprise Rails is indispensable for anyone planning to build enterprise web services. It's one thing to get your service off the ground with a framework like Rails, but quite another to construct a system that will hold up at enterprise scale. The secret is to make good architectural choices from the beginning. Chak shows you how to make those choices. Ignore his advice at your peril."-- Hal Abelson, Prof. of Computer Science and Engineering, MIT


Introduction to Constraint Databases

Introduction to Constraint Databases
Author: Peter Revesz
Publisher:
Total Pages: 408
Release: 2004
Genre:
ISBN:

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This text presents the theory and applications of ""constraint database"" systems, which provide new methods for the design of data models and query languages.