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Published by Springer New York, Springer, 2011
ISBN 10: 146141640X ISBN 13: 9781461416401
Language: English
Seller: AHA-BUCH GmbH, Einbeck, Germany
Taschenbuch. Condition: Neu. Druck auf Anfrage Neuware - Printed after ordering - Research has deeply investigated several issues related to the use of integrity constraints on relational databases. In particular, a great deal of attention has been devoted to the problem of extracting 'reliable' information from databases containing pieces of information inconsistent with regard to some integrity constraints. In this manuscript, the problem of extracting consistent information from relational databases violating integrity constraints on numerical data is addressed. Aggregate constraints defined as linear inequalities on aggregate-sum queries on input data are considered. The notion of repair as consistent set of updates at attribute-value level is exploited, and the characterization of several data-complexity issues related to repairing data and computing consistent query answers is provided. Moreover, a method for computing 'reasonable' repairs of inconsistent numerical databases isintroduced, for a restricted but expressive class of aggregate constraints. An extension of this method for dealing with the data repairing problem in the presence of weak aggregate constraints which are expected to be satisfied, but not required to, is presented. Furthermore, a technique for computing consistent answers of aggregate queries in the presence of a wide form of aggregate constraints is provided. Finally, extensions of the framework as well as several open problems are discussed.
Taschenbuch. Condition: Neu. Repairing and Querying Databases under Aggregate Constraints | Sergio Flesca (u. a.) | Taschenbuch | viii | Englisch | 2011 | Springer | EAN 9781461416401 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.
Published by Springer Berlin Heidelberg, 1996
ISBN 10: 3540625011 ISBN 13: 9783540625018
Language: English
Seller: AHA-BUCH GmbH, Einbeck, Germany
Taschenbuch. Condition: Neu. Druck auf Anfrage Neuware - Printed after ordering - 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.
Published by Springer-Verlag GmbH, 1996
ISBN 10: 3540625011 ISBN 13: 9783540625018
Language: English
Seller: preigu, Osnabrück, Germany
Taschenbuch. Condition: Neu. Constraint Databases and Applications | Second International Workshop on Constraint Database Systems, CDB '97, Delphi, Greece, January 11-12, 1997, CP'96 Workshop on Constraints and Databases, Cambridge, MA, USA, August 19, 1996, Selected papers | Volker Gaede (u. a.) | Taschenbuch | xi | Englisch | 1996 | Springer-Verlag GmbH | EAN 9783540625018 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.
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Condition: New. pp. 196.
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Condition: New. pp. 196 52:B&W 6.14 x 9.21in or 234 x 156mm (Royal 8vo) Case Laminate on White w/Gloss Lam.
Published by Kluwer Academic Publishers, 1997
ISBN 10: 0792380452 ISBN 13: 9780792380450
Language: English
Seller: Kennys Bookshop and Art Galleries Ltd., Galway, GY, Ireland
Condition: New. Constraints have long been used for maintaining the integrity of databases. This title includes articles that cover a range of topics involving constraints and databases; join algorithms, evaluation methods, applications and implementations of constraint databases, as well as more traditional topics such as integrity constraint maintenance. Editor(s): Ramakrishnan, Raghu; Stuckey, Peter J. Num Pages: 192 pages, biography. BIC Classification: UN. Category: (P) Professional & Vocational; (UP) Postgraduate, Research & Scholarly; (UU) Undergraduate. Dimension: 235 x 155 x 12. Weight in Grams: 1000. . 1997. Reprinted from CONSTRAINTS, 2:3-4. Hardback. . . . .
Condition: New. pp. 196.
Taschenbuch. Condition: Neu. Constraints and Databases | Raghu Ramakrishnan (u. a.) | Taschenbuch | 192 S. | Englisch | 2012 | Springer | EAN 9781461375203 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.
Published by Springer US, Springer New York Okt 2012, 2012
ISBN 10: 1461375207 ISBN 13: 9781461375203
Language: English
Seller: buchversandmimpf2000, Emtmannsberg, BAYE, Germany
Taschenbuch. Condition: Neu. Neuware -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.Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 196 pp. Englisch.
Published by Kluwer Academic Publishers, US, 1997
ISBN 10: 0792380452 ISBN 13: 9780792380450
Language: English
Seller: Rarewaves.com USA, London, LONDO, United Kingdom
Hardback. Condition: New. Reprinted from CONSTRAINTS, 2:3-4. 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.
Published by Springer US, Springer New York, 2012
ISBN 10: 1461375207 ISBN 13: 9781461375203
Language: English
Seller: AHA-BUCH GmbH, Einbeck, Germany
Taschenbuch. Condition: Neu. Druck auf Anfrage Neuware - Printed after ordering - 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.
Gebunden. Condition: New. 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 i.
Condition: Gut. Zustand: Gut | Sprache: Englisch | Produktart: Bücher.
Paperback. Condition: Brand New. 192 pages. 9.25x6.10x0.45 inches. In Stock.