Adaptive Query Processing

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Adaptive Query Processing

Author : Amol Deshpande
Publisher : Now Publishers Inc
ISBN 13 : 1601980345
Total Pages : 156 pages
Book Rating : 4.6/5 (19 download)

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Book Synopsis Adaptive Query Processing by : Amol Deshpande

Download or read book Adaptive Query Processing written by Amol Deshpande and published by Now Publishers Inc. This book was released on 2007 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adaptive Query Processing surveys the fundamental issues, techniques, costs, and benefits of adaptive query processing. It begins with a broad overview of the field, identifying the dimensions of adaptive techniques. It then looks at the spectrum of approaches available to adapt query execution at runtime - primarily in a non-streaming context. The emphasis is on simplifying and abstracting the key concepts of each technique, rather than reproducing the full details available in the papers. The authors identify the strengths and limitations of the different techniques, demonstrate when they are most useful, and suggest possible avenues of future research. Adaptive Query Processing serves as a valuable reference for students of databases, providing a thorough survey of the area. Database researchers will benefit from a more complete point of view, including a number of approaches which they may not have focused on within the scope of their own research.

Adaptive Query Processing

Author : Pedro G. Bizarro
Publisher :
ISBN 13 :
Total Pages : 202 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Adaptive Query Processing by : Pedro G. Bizarro

Download or read book Adaptive Query Processing written by Pedro G. Bizarro and published by . This book was released on 2006 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Efficient adaptive query processing on large database systems available in the cloud environment

Author : Clayton Maciel Costa
Publisher : Simplíssimo
ISBN 13 : 658624983X
Total Pages : 147 pages
Book Rating : 4.5/5 (862 download)

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Book Synopsis Efficient adaptive query processing on large database systems available in the cloud environment by : Clayton Maciel Costa

Download or read book Efficient adaptive query processing on large database systems available in the cloud environment written by Clayton Maciel Costa and published by Simplíssimo. This book was released on 2020-09-15 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nowadays, many companies are migrating their applications and data to cloud service providers, mainly because of their ability to answer quickly to business requirements. Thereby, the performance is an important requirement for most customers when they wish to migrate their applications to the cloud. Therefore, in cloud environments, resources should be acquired and released automatically and quickly at runtime. Moreover, the users and service providers expect to get answers in time to ensure the service SLA (Service Level Agreement). Consequently, ensuring the QoS (Quality of Service) is a great challenge and it increases when we have large amounts of data to be manipulated in this environment. To resolve this kind of problems, several researches have been focused on shorter execution time using adaptive query processing and/or prediction of resources based on current system status. However, they present important limitations. For example, most of these works does not use monitoring during query execution and/or presents intrusive solutions, i.e. applied to the particular context. The aim of this book is to present the development of new solutions/strategies to efficient adaptive query processing on large databases available in a cloud environment. It must integrate adaptive re-optimization at query runtime and their costs are based on the SRT (Service Response Time – SLA QoS performance parameter). Finally, the proposed solution will be evaluated on large scale with large volume of data, machines and queries in a cloud computing infrastructure. Finally, this work also proposes a new model to estimate the SRT for different request types (database access requests). This model will allow the cloud service provider and its customers to establish an appropriate SLA relative to the expected performance of the services available in the cloud.

Adaptive Query Processing in Data Stream Management Systems

Author : Shivnath Babu
Publisher :
ISBN 13 :
Total Pages : 486 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Adaptive Query Processing in Data Stream Management Systems by : Shivnath Babu

Download or read book Adaptive Query Processing in Data Stream Management Systems written by Shivnath Babu and published by . This book was released on 2005 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Knowledge Graphs and Big Data Processing

Author : Valentina Janev
Publisher : Springer Nature
ISBN 13 : 3030531996
Total Pages : 212 pages
Book Rating : 4.0/5 (35 download)

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Book Synopsis Knowledge Graphs and Big Data Processing by : Valentina Janev

Download or read book Knowledge Graphs and Big Data Processing written by Valentina Janev and published by Springer Nature. This book was released on 2020-07-15 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book is part of the LAMBDA Project (Learning, Applying, Multiplying Big Data Analytics), funded by the European Union, GA No. 809965. Data Analytics involves applying algorithmic processes to derive insights. Nowadays it is used in many industries to allow organizations and companies to make better decisions as well as to verify or disprove existing theories or models. The term data analytics is often used interchangeably with intelligence, statistics, reasoning, data mining, knowledge discovery, and others. The goal of this book is to introduce some of the definitions, methods, tools, frameworks, and solutions for big data processing, starting from the process of information extraction and knowledge representation, via knowledge processing and analytics to visualization, sense-making, and practical applications. Each chapter in this book addresses some pertinent aspect of the data processing chain, with a specific focus on understanding Enterprise Knowledge Graphs, Semantic Big Data Architectures, and Smart Data Analytics solutions. This book is addressed to graduate students from technical disciplines, to professional audiences following continuous education short courses, and to researchers from diverse areas following self-study courses. Basic skills in computer science, mathematics, and statistics are required.

The Semantic Web -- ISWC 2011

Author : Lora Aroyo
Publisher : Springer Science & Business Media
ISBN 13 : 3642250726
Total Pages : 836 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis The Semantic Web -- ISWC 2011 by : Lora Aroyo

Download or read book The Semantic Web -- ISWC 2011 written by Lora Aroyo and published by Springer Science & Business Media. This book was released on 2011-10-26 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt: The two-volume set LNCS 7031 and LNCS 7032 constitutes the proceedings of the 10th International Semantic Web Conference, ISWC 2011, held in Bonn, Germany, in October 2011. Part I, LNCS 7031, contains 50 research papers which were carefully reviewed and selected from 264 submissions. The 17 semantic Web in-use track papers contained in part II, LNCS 7032, were selected from 75 submissions. This volume also contains 15 doctoral consortium papers, selected from 31 submissions. The topics covered are: ontologies and semantics; database, IR, and AI technologies for the semantic Web; management of semantic Web data; reasoning over semantic Web data; search, query, integration, and analysis on the semantic Web; robust and scalable knowledge management and reasoning on the Web; interacting with semantic Web data; ontology modularity, mapping, merging and alignment; languages, tools, and methodologies for representing and managing semantic Web data; ontology, methodology, evaluation, reuse, extraction and evolution; evaluation of semantic Web technologies or data; specific ontologies and ontology pattern for the semantic Web; new formalisms for semantic Web; user interfaces to the semantic Web; cleaning, assurance, and provenance of semantic Web data; services, and processes; social semantic Web, evaluation of semantic Web technology; semantic Web population from the human Web.

Information Processing in Sensor Networks

Author : Feng Zhao
Publisher : Springer Science & Business Media
ISBN 13 : 3540021116
Total Pages : 688 pages
Book Rating : 4.5/5 (4 download)

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Book Synopsis Information Processing in Sensor Networks by : Feng Zhao

Download or read book Information Processing in Sensor Networks written by Feng Zhao and published by Springer Science & Business Media. This book was released on 2003-04-10 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the Second International Workshop on Information Processing in Sensor Networks, IPSN 2003, held in Palo Alto, CA, USA, in April 2003. The 23 revised full papers and 21 revised poster papers presented were carefully reviewed and selected from 73 submissions. Among the topics addressed are wireless sensor networks, query processing, decentralized sensor platforms, distributed databases, distributed group management, sensor network design, collaborative signal processing, adhoc sensor networks, distributed algorithms, distributed sensor network control, sensor network resource management, data service middleware, random sensor networks, mobile agents, target tracking, sensor network protocols, large scale sensor networks, and multicast.

Query Processing over Graph-structured Data on the Web

Author : M. Acosta Deibe
Publisher : IOS Press
ISBN 13 : 1614999163
Total Pages : 244 pages
Book Rating : 4.6/5 (149 download)

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Book Synopsis Query Processing over Graph-structured Data on the Web by : M. Acosta Deibe

Download or read book Query Processing over Graph-structured Data on the Web written by M. Acosta Deibe and published by IOS Press. This book was released on 2018-10-12 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the last years, Linked Data initiatives have encouraged the publication of large graph-structured datasets using the Resource Description Framework (RDF). Due to the constant growth of RDF data on the web, more flexible data management infrastructures must be able to efficiently and effectively exploit the vast amount of knowledge accessible on the web. This book presents flexible query processing strategies over RDF graphs on the web using the SPARQL query language. In this work, we show how query engines can change plans on-the-fly with adaptive techniques to cope with unpredictable conditions and to reduce execution time. Furthermore, this work investigates the application of crowdsourcing in query processing, where engines are able to contact humans to enhance the quality of query answers. The theoretical and empirical results presented in this book indicate that flexible techniques allow for querying RDF data sources efficiently and effectively.

Advanced Query Processing

Author : Barbara Catania
Publisher : Springer Science & Business Media
ISBN 13 : 3642283233
Total Pages : 355 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis Advanced Query Processing by : Barbara Catania

Download or read book Advanced Query Processing written by Barbara Catania and published by Springer Science & Business Media. This book was released on 2012-07-28 with total page 355 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research book presents key developments, directions, and challenges concerning advanced query processing for both traditional and non-traditional data. A special emphasis is devoted to approximation and adaptivity issues as well as to the integration of heterogeneous data sources. The book will prove useful as a reference book for senior undergraduate or graduate courses on advanced data management issues, which have a special focus on query processing and data integration. It is aimed for technologists, managers, and developers who want to know more about emerging trends in advanced query processing.

Decentralized Query Processing Over Heterogeneous Sources of Knowledge Graphs

Author : L. Heling
Publisher : IOS Press
ISBN 13 : 164368261X
Total Pages : 326 pages
Book Rating : 4.6/5 (436 download)

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Book Synopsis Decentralized Query Processing Over Heterogeneous Sources of Knowledge Graphs by : L. Heling

Download or read book Decentralized Query Processing Over Heterogeneous Sources of Knowledge Graphs written by L. Heling and published by IOS Press. This book was released on 2022-03-08 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: Knowledge graphs are increasingly used in scientific and industrial applications. The large number and size of knowledge graphs published as Linked Data in autonomous sources has led to the development of various interfaces to query these knowledge graphs. Therefore, effective query processing approaches that enable efficient information retrieval from these knowledge graphs need to address the capabilities and limitations of different Linked Data Fragment interfaces. This book investigates novel approaches to addressing the challenges that arise in the presence of decentralized, heterogeneous sources of knowledge graphs. The effectiveness of these approaches is empirically evaluated and demonstrated using various real world and synthetic large-scale knowledge graphs throughout. First, a sample-based approach for generating fine-grained performance profiles is proposed, and it is demonstrated how the information from such profiles can be leveraged in cost model-based query planning. In addition, a sample-based data distribution profiling approach is advocated which aims to estimate the statistical profile features of large knowledge graphs and the applicability of these estimations in federated querying processing is demonstrated. The remainder of the book focuses on techniques to devise efficient query processing approaches when heterogeneous interfaces need to be queried but no fine-grained statistics are available. Robust techniques to support efficient query processing in these circumstances are investigated and results are shared to demonstrate the way in which these techniques can outperform state-of-the-art approaches. Finally, the author describes a framework for federated query processing over heterogeneous federations of Linked Data Fragments to exploit the capabilities of different sources by defining interface-aware approaches.

Federated Query Processing for the Semantic Web

Author : C. Buil-Aranda
Publisher : IOS Press
ISBN 13 : 1614993505
Total Pages : 200 pages
Book Rating : 4.6/5 (149 download)

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Book Synopsis Federated Query Processing for the Semantic Web by : C. Buil-Aranda

Download or read book Federated Query Processing for the Semantic Web written by C. Buil-Aranda and published by IOS Press. This book was released on 2014-01-22 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last years, the amount of RDF data has increased exponentially over the Web, exposed via SPARQL endpoints. These SPARQL endpoints allow users to direct SPARQL queries to the RDF data. Federated SPARQL query processing allows to query several of these RDF databases as if they were a single one, integrating the results from all of them. This is a key concept in the Web of Data and it is also a hot topic in the community. Besides of that, the W3C SPARQL-WG has standardized it in the new Recommendation SPARQL 1.1._x000D_ This book provides a formalisation of the W3C proposed recommendation. This formalisation allows to identify existing errors and allows to correct them before the implementation phase or when the execution of these federated queries start. The book constitutes a valuable resource for any implementer since it also proposes solutions to the problems identified as well as proposing a set of SPARQL pattern reordering rules, which reduce the execution time of federated queries significantly._x000D_ Another strong point of this book is the research methodology followed. It states clearly the problems in the state of the art, next defines the research hypothesis for next providing a thoroughly analysis of the semantics of the SPARQL 1.1 specification. Once the theoretical part is concluded the book steps into the implementation part, describing clearly the implementation decisions for finally evaluating the overall system.

Principles of Distributed Database Systems

Author : M. Tamer Özsu
Publisher : Springer Nature
ISBN 13 : 3030262537
Total Pages : 674 pages
Book Rating : 4.0/5 (32 download)

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Book Synopsis Principles of Distributed Database Systems by : M. Tamer Özsu

Download or read book Principles of Distributed Database Systems written by M. Tamer Özsu and published by Springer Nature. This book was released on 2019-12-02 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fourth edition of this classic textbook provides major updates. This edition has completely new chapters on Big Data Platforms (distributed storage systems, MapReduce, Spark, data stream processing, graph analytics) and on NoSQL, NewSQL and polystore systems. It also includes an updated web data management chapter that includes RDF and semantic web discussion, an integrated database integration chapter focusing both on schema integration and querying over these systems. The peer-to-peer computing chapter has been updated with a discussion of blockchains. The chapters that describe classical distributed and parallel database technology have all been updated. The new edition covers the breadth and depth of the field from a modern viewpoint. Graduate students, as well as senior undergraduate students studying computer science and other related fields will use this book as a primary textbook. Researchers working in computer science will also find this textbook useful. This textbook has a companion web site that includes background information on relational database fundamentals, query processing, transaction management, and computer networks for those who might need this background. The web site also includes all the figures and presentation slides as well as solutions to exercises (restricted to instructors).

Query Processing in Database Systems

Author : W. Kim
Publisher : Springer Science & Business Media
ISBN 13 : 3642823750
Total Pages : 367 pages
Book Rating : 4.6/5 (428 download)

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Book Synopsis Query Processing in Database Systems by : W. Kim

Download or read book Query Processing in Database Systems written by W. Kim and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an anthology of the results of research and development in database query processing during the past decade. The relational model of data provided tremendous impetus for research into query processing. Since a relational query does not specify access paths to the stored data, the database management system (DBMS) must provide an intelligent query-processing subsystem which will evaluate a number of potentially efficient strategies for processing the query and select the one that optimizes a given performance measure. The degree of sophistication of this subsystem, often called the optimizer, critically affects the performance of the DBMS. Research into query processing thus started has taken off in several directions during the past decade. The emergence of research into distributed databases has enormously complicated the tasks of the optimizer. In a distributed environment, the database may be partitioned into horizontal or vertical fragments of relations. Replicas of the fragments may be stored in different sites of a network and even migrate to other sites. The measure of performance of a query in a distributed system must include the communication cost between sites. To minimize communication costs for-queries involving multiple relations across multiple sites, optimizers may also have to consider semi-join techniques.

Adaptive Selection of Query Processing Strategies

Author : J. I. Icaza
Publisher : University of Waterloo, Computer Science Department
ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.:/5 (177 download)

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Book Synopsis Adaptive Selection of Query Processing Strategies by : J. I. Icaza

Download or read book Adaptive Selection of Query Processing Strategies written by J. I. Icaza and published by University of Waterloo, Computer Science Department. This book was released on 1987 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:

New Directions in Web Data Management 1

Author : Athena Vakali
Publisher : Springer Science & Business Media
ISBN 13 : 3642175503
Total Pages : 357 pages
Book Rating : 4.6/5 (421 download)

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Book Synopsis New Directions in Web Data Management 1 by : Athena Vakali

Download or read book New Directions in Web Data Management 1 written by Athena Vakali and published by Springer Science & Business Media. This book was released on 2011-01-19 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses the major issues in the Web data management related to technologies and infrastructures, methodologies and techniques as well as applications and implementations. Emphasis is placed on Web engineering and technologies, Web graph managing, searching and querying and the importance of social Web.

Flexible Query Answering Systems

Author : Henning Christiansen
Publisher : Springer
ISBN 13 : 3540259570
Total Pages : 511 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis Flexible Query Answering Systems by : Henning Christiansen

Download or read book Flexible Query Answering Systems written by Henning Christiansen and published by Springer. This book was released on 2004-08-17 with total page 511 pages. Available in PDF, EPUB and Kindle. Book excerpt: ThisvolumeconstitutestheproceedingsoftheSixthInternationalConferenceon Flexible Query Answering Systems, FQAS 2004, held in Lyon, France, on June 24–26, 2004. FQAS is the premier conference for researchers and practitioners concerned with the vital task of providing easy, ?exible, and intuitive access to information for every type of need. This multidisciplinary conference draws on several research areas, including databases, information retrieval, knowledge representation, soft computing, multimedia, and human-computer interaction. With FQAS 2004, the FQAS conference series celebrated its tenth anniversary as it has been held every two years since 1994. The overall theme of the FQAS conferences is innovative query systems aimed at providing easy, ?exible, and intuitive access to information. Such systems are intended to facilitate retrieval from information repositories such as databases, libraries, and the Web. These repositories are typically equipped with standard query systems that are often inadequate for users. The focus of FQAS is the development of query systems that are more expressive, informative, cooperative, productive, and intuitive to use.

Modern B-Tree Techniques

Author : Goetz Graefe
Publisher : Now Publishers Inc
ISBN 13 : 1601984820
Total Pages : 216 pages
Book Rating : 4.6/5 (19 download)

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Book Synopsis Modern B-Tree Techniques by : Goetz Graefe

Download or read book Modern B-Tree Techniques written by Goetz Graefe and published by Now Publishers Inc. This book was released on 2011 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: Invented about 40 years ago and called ubiquitous less than 10 years later, B-tree indexes have been used in a wide variety of computing systems from handheld devices to mainframes and server farms. Over the years, many techniques have been added to the basic design in order to improve efficiency or to add functionality. Examples include separation of updates to structure or contents, utility operations such as non-logged yet transactional index creation, and robust query processing such as graceful degradation during index-to-index navigation. Modern B-Tree Techniques reviews the basics of B-trees and of B-tree indexes in databases, transactional techniques and query processing techniques related to B-trees, B-tree utilities essential for database operations, and many optimizations and improvements. It is intended both as a tutorial and as a reference, enabling researchers to compare index innovations with advanced B-tree techniques and enabling professionals to select features, functions, and tradeoffs most appropriate for their data management challenges.