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Bücher Englische Bücher Wissen & Bildung Naturwissenschaft, Medizin, Informatik, Technik Technik Keyword Search in Databases
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Keyword Search in Databases
Jeffrey Xu Yu, Lijun Chang, Lu Qin (Broschiert, Englisch)
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Beschreibung
It has become highly desirable to provide users with flexible ways to query/search information over databases as simple as keyword search like Google search. This book surveys the recent developments on keyword search over databases, and focuses on finding structural information among objects in a database using a set of keywords. Such structural information to be returned can be either trees or… subgraphs representing how the objects, that contain the required keywords, are interconnected in a relational database or in an XML database. The structural keyword search is completely different from finding documents that contain all the user-given keywords. The former focuses on the interconnected object structures, whereas the latter focuses on the object content.
The book is organized as follows. In Chapter 1, we highlight the main research issues on the structural keyword search in different contexts. In Chapter 2, we focus on supporting structural keyword search in a relational database management system using the SQL query language. We concentrate on how to generate a set of SQL queries that can find all the structural information among records in a relational database completely, and how to evaluate the generated set of SQL queries efficiently. In Chapter 3, we discuss graph algorithms for structural keyword search by treating an entire relational database as a large data graph. In Chapter 4, we discuss structural keyword search in a large tree-structured XML database. In Chapter 5, we highlight several interesting research issues regarding keyword search on databases.
The book can be used as either an extended survey for people who are interested in the structural keyword search or a reference book for a postgraduate course on the related topics.
Table of Contents: Introduction / Schema-Based Keyword Search on Relational Databases / Graph-Based Keyword Search / Keyword Search in XML Databases / Other Topics for Keyword Search on Databases 29,95 €
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Technische Daten
Erscheinungsdatum
17.12.2009
Sprache
Englisch
EAN
9783031794254
Herausgeber
Springer International Publishing
Titel in Originalsprache
Keyword Search in Databases
Serien- oder Bandtitel
Synthesis Lectures on Data Management
Sonderedition
Nein
Autor
Jeffrey Xu Yu, Lijun Chang, Lu Qin
Seitenanzahl
143
Auflage
1
Hersteller: Springer Nature Customer Service Center GmbH, ProductSafety@springernature.com
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