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portada Datalog and Logic Databases
Type
Physical Book
Author
Publisher
Language
English
Pages
155
Format
Paperback
Dimensions
23.5x19.1x0.9 cm
Weight
0.30 kg.
ISBN13
9783031007262
Categories

Datalog and Logic Databases

Sergio Greco (Author) · Cristian Molinaro (Author) · Springer · Paperback

Datalog and Logic Databases - Greco, Sergio ; Molinaro, Cristian

New Book Imported to Taiwan
Delivery: 09 Sep - 17 Sep Shipping: 4 to 5 business days.
NT$ 1,166
NT$ 1,166

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Synopsis "Datalog and Logic Databases "

The use of logic in databases started in the late 1960s. In the early 1970s Codd formalized databases in terms of the relational calculus and the relational algebra. A major influence on the use of logic in databases was the development of the field of logic programming. Logic provides a convenient formalism for studying classical database problems and has the important property of being declarative, that is, it allows one to express what she wants rather than how to get it. For a long time, relational calculus and algebra were considered the relational database languages. However, there are simple operations, such as computing the transitive closure of a graph, which cannot be expressed with these languages. Datalog is a declarative query language for relational databases based on the logic programming paradigm. One of the peculiarities that distinguishes Datalog from query languages like relational algebra and calculus is recursion, which gives Datalog the capability to express queries like computing a graph transitive closure. Recent years have witnessed a revival of interest in Datalog in a variety of emerging application domains such as data integration, information extraction, networking, program analysis, security, cloud computing, ontology reasoning, and many others. The aim of this book is to present the basics of Datalog, some of its extensions, and recent applications to different domains.

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