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Author : Chen Li
Publisher :
ISBN 13 :
Total Pages : 218 pages
Book Rating : 4.F/5 ( download)
Download or read book Query Processing and Optimization in Information-integration Systems written by Chen Li and published by . This book was released on 2001 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Valentina Janev
Publisher : Springer
ISBN 13 : 9783030531980
Total Pages : 209 pages
Book Rating : 4.5/5 (319 download)
Download or read book Knowledge Graphs and Big Data Processing written by Valentina Janev and published by Springer. This book was released on 2020-07-16 with total page 209 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.
Author : Amol Deshpande
Publisher : Now Publishers Inc
ISBN 13 : 1601980345
Total Pages : 156 pages
Book Rating : 4.6/5 (19 download)
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.
Download or read book Quality of Service and Optimization in Data Integration Systems written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This work presents techniques for the construction of a global data integrations system. Similar to distributed databases this system allows declarative queries in order to express user-specific information needs. Scalability towards global data integration systems and openness were major design goals for the architecture and techniques developed in this work. It is shown how service composition, extensibility and quality of service can be supported in an open system of providers for data, functionality for query processing operations, and computing power.
Author : Beng Chin Ooi
Publisher : Springer Science & Business Media
ISBN 13 : 9783540534747
Total Pages : 220 pages
Book Rating : 4.5/5 (347 download)
Download or read book Efficient Query Processing in Geographic Information Systems written by Beng Chin Ooi and published by Springer Science & Business Media. This book was released on 1990-11-28 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Very Good,No Highlights or Markup,all pages are intact.
Author : Rodrigue Carlos Nana Mbinkeu
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659390661
Total Pages : 144 pages
Book Rating : 4.3/5 (96 download)
Download or read book Query Issues in Data Integration Systems written by Rodrigue Carlos Nana Mbinkeu and published by LAP Lambert Academic Publishing. This book was released on 2013 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data Integration aims to combine distributed information conforming to different data models and provide interfaces for accessing such information in an unfied view. The Mediator Environment for Multiple Information Sources (MOMIS), aims to construct synthesized, integrated descriptions of information coming from multiple heterogeneous sources. We show how the MOMIS data integration system can deal with all the twelve queries of the THALIA benchmark, a public available testbed and benchmark for information integration systems. We propose new techniques that consider the optimization of full outerjoin operation in MOMIS. Full outerjoin is used in data integration systems for merging multiple records representing the same real-world object into a single, consistent, and clean representation. A query manager that merge information using full outerjoin can benefit easily from this optimization technique. We made a study of different data integration systems which implement the notion of data quality. We propose a table that summarizes relationships between data anomalies and data quality dimensions. Finally, we focus on quality-driven query processing.
Author : Johann Christoph Freytag
Publisher : Springer Science & Business
ISBN 13 : 9781558602717
Total Pages : 522 pages
Book Rating : 4.6/5 (27 download)
Download or read book Query Processing for Advanced Database Systems written by Johann Christoph Freytag and published by Springer Science & Business. This book was released on 1994 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: The chapters of this book provide an excellent snapshot of current research and development activities in the area of query processing and optimization. They supply potential answers to many questions that have been raised for new types of database systems and at the same time reflect the variety of the different approaches taken. The book acts both as a reference for the state of the art in query processing for the "next generation" of database systems, and as a good starting point for anybody interested in understanding the challenging questions in the area. Furthermore, the book will help the reader to gain an in-depth understanding of why efficient query processing is needed for future database systems.
Author : Ee-Peng Lim
Publisher :
ISBN 13 :
Total Pages : 410 pages
Book Rating : 4.:/5 (319 download)
Download or read book Instance-level Integration, Query Processing and Optimization in Federated Database Systems written by Ee-Peng Lim and published by . This book was released on 1994 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. Kim
Publisher : Springer Science & Business Media
ISBN 13 : 3642823750
Total Pages : 367 pages
Book Rating : 4.6/5 (428 download)
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.
Author : Felix Naumann
Publisher : Springer Science & Business Media
ISBN 13 : 354043349X
Total Pages : 164 pages
Book Rating : 4.5/5 (44 download)
Download or read book Quality-Driven Query Answering for Integrated Information Systems written by Felix Naumann and published by Springer Science & Business Media. This book was released on 2002-02-27 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Internet and the World Wide Web (WWW) are becoming more and more important in our highly interconnected world as more and more data and information is made available for online access. Many individuals and governmental, commercial, cultural, and scientific organizations increasingly depend on information sources that can be accessed and queried over the Web. For example, accessing flight schedules or retrieving stock information has become common practice in todays world. When accessing this data, many people assume that the information accessed is accurate and that the data source can be accessed reliably. These two examples clearly demonstrate that not only the information content is important, the information about the quality of the data becomes an even more crucial and critical aspect for individuals and organizations when they make plans or take decisions based on the results of their queries. More precisely, having access to information of known quality becomes critical for the well-being and indeed for the functioning of modern industrialized societies. Surprisingly, despite the urgent need for clear concepts and techniques to judge and value quality and for technology to use such (meta) information, very few scientific results are known and available. Few approaches are known to use quality measures for accessing and querying information over the Web. Only a limited number of products on the IT market address this burning problem.
Author : Felix Naumann
Publisher : Springer
ISBN 13 : 3540459219
Total Pages : 164 pages
Book Rating : 4.5/5 (44 download)
Download or read book Quality-Driven Query Answering for Integrated Information Systems written by Felix Naumann and published by Springer. This book was released on 2003-07-31 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Internet and the World Wide Web (WWW) are becoming more and more important in our highly interconnected world as more and more data and information is made available for online access. Many individuals and governmental, commercial, cultural, and scientific organizations increasingly depend on information sources that can be accessed and queried over the Web. For example, accessing flight schedules or retrieving stock information has become common practice in todays world. When accessing this data, many people assume that the information accessed is accurate and that the data source can be accessed reliably. These two examples clearly demonstrate that not only the information content is important, the information about the quality of the data becomes an even more crucial and critical aspect for individuals and organizations when they make plans or take decisions based on the results of their queries. More precisely, having access to information of known quality becomes critical for the well-being and indeed for the functioning of modern industrialized societies. Surprisingly, despite the urgent need for clear concepts and techniques to judge and value quality and for technology to use such (meta) information, very few scientific results are known and available. Few approaches are known to use quality measures for accessing and querying information over the Web. Only a limited number of products on the IT market address this burning problem.
Author : AnHai Doan
Publisher : Elsevier
ISBN 13 : 0123914795
Total Pages : 522 pages
Book Rating : 4.1/5 (239 download)
Download or read book Principles of Data Integration written by AnHai Doan and published by Elsevier. This book was released on 2012-06-25 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: Principles of Data Integration is the first comprehensive textbook of data integration, covering theoretical principles and implementation issues as well as current challenges raised by the semantic web and cloud computing. The book offers a range of data integration solutions enabling you to focus on what is most relevant to the problem at hand. Readers will also learn how to build their own algorithms and implement their own data integration application. Written by three of the most respected experts in the field, this book provides an extensive introduction to the theory and concepts underlying today's data integration techniques, with detailed, instruction for their application using concrete examples throughout to explain the concepts. This text is an ideal resource for database practitioners in industry, including data warehouse engineers, database system designers, data architects/enterprise architects, database researchers, statisticians, and data analysts; students in data analytics and knowledge discovery; and other data professionals working at the R&D and implementation levels. - Offers a range of data integration solutions enabling you to focus on what is most relevant to the problem at hand - Enables you to build your own algorithms and implement your own data integration applications
Author : Barbara Catania
Publisher : Springer Science & Business Media
ISBN 13 : 3642283233
Total Pages : 355 pages
Book Rating : 4.6/5 (422 download)
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.
Author : Nadia Bianchi-Berthouze
Publisher : Springer Science & Business Media
ISBN 13 : 3540201114
Total Pages : 281 pages
Book Rating : 4.5/5 (42 download)
Download or read book Databases in Networked Information Systems written by Nadia Bianchi-Berthouze and published by Springer Science & Business Media. This book was released on 2003-09-12 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the Third International Workshop on Databases in Networked Information Systems, DNIS 2003, held in Aizu, Japan in September 2003. The 11 revised full papers presented together with 9 invited papers were carefully reviewed and selected for presentation. The papers are organized in topical sections on Web intelligence, information interchange and management systems, information interchange among cyber communities, knowledge annotation and visualization.
Author : Dietmar Seipel
Publisher : Springer
ISBN 13 : 3540246274
Total Pages : 331 pages
Book Rating : 4.5/5 (42 download)
Download or read book Foundations of Information and Knowledge Systems written by Dietmar Seipel and published by Springer. This book was released on 2004-03-06 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the papers presented at the 3rd International Symposium onFoundationsofInformationandKnowledgeSystems(FoIKS2004), whichwas held in Castle Wilhelminenberg, Vienna, Austria, from February 17th to 20th, 2004. FoIKS is a biennial event focussing on theoretical foundations of information and knowledge systems. It aims at bringing together researchers working on the theoretical foundations of information and knowledge systems and attracting researchers working in mathematical?elds such as discrete mathematics, c- binatorics, logics, and?nite model theory who are interested in applying their theories to research on database and knowledge base theory. FoIKS took up the tradition of the conference series Mathematical Fun- mentals of Database Systems (MFDBS) which enabled East-West collaboration in the?eld of database theory. The?rst FoIKS symposium was held in Burg, Spreewald (Germany) in 2000, and the second FoIKS symposium was held in SalzauCastle(Germany)in2002. FormerMFDBSconferenceswereheldinDr- den (Germany) in 1987, Visegrþ ad (Hungary) in 1989, and in Rostock (Germany) in 1991. Proceedings of these previous events were published by Springer-Verlag as volumes 305, 364, 495, 1762, and 2284 of the LNCS series, respectively. In addition the FoIKS symposium was intended to be a forum for intensive discussions. For this reason the time slots for long and short contributions were 50 and 30 minutes, respectively, followed by 20 and 10 minutes for discussions, respectively. Furthermore, participants were asked in advance to prepare to act as correspondents for the contributions of other authors. There were also special sessions for the presentation and discussion of open research problems.
Author : Barbara Catania
Publisher : Springer Science & Business Media
ISBN 13 : 3642155758
Total Pages : 614 pages
Book Rating : 4.6/5 (421 download)
Download or read book Advances in Databases and Information Systems written by Barbara Catania and published by Springer Science & Business Media. This book was released on 2010-09-09 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 14th East European Conference on Advances in Databases and Information Systems, ADBIS 2010, held in Novi Sad, Serbia on September 20-24, 2010. The 36 revised full papers and 14 short papers were carefully selected from 165 submissions. Tolically the papers span a wide spectrum of topics in the database and information systems field, including database theory, advanced DBMS technologies, design methods, data mining and data warehousing, spatio-temporal and graph structured data and database applications.
Author : Abdelkader Hameurlain
Publisher : Springer
ISBN 13 : 3642037224
Total Pages : 382 pages
Book Rating : 4.6/5 (42 download)
Download or read book Transactions on Large-Scale Data- and Knowledge-Centered Systems I written by Abdelkader Hameurlain and published by Springer. This book was released on 2009-08-24 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data management, knowledge discovery, and knowledge processing are core and hot topics in computer science. They are widely accepted as enabling technologies for modern enterprises, enhancing their performance and their decision making processes. Since the 1990s the Internet has been the outstanding driving force for application development in all domains. An increase in the demand for resource sharing (e. g. , computing resources, s- vices, metadata, data sources) across different sites connected through networks has led to an evolvement of data- and knowledge-management systems from centralized systems to decentralized systems enabling large-scale distributed applications prov- ing high scalability. Current decentralized systems still focus on data and knowledge as their main resource characterized by: heterogeneity of nodes, data, and knowledge autonomy of data and knowledge sources and services large-scale data volumes, high numbers of data sources, users, computing resources dynamicity of nodes These characteristics recognize: (i) limitations of methods and techniques developed for centralized systems (ii) requirements to extend or design new approaches and methods enhancing efficiency, dynamicity, and scalability (iii) development of large scale, experimental platforms and relevant benchmarks to evaluate and validate scaling Feasibility of these systems relies basically on P2P (peer-to-peer) techniques and agent systems supporting with scaling and decentralized control. Synergy between Grids, P2P systems and agent technologies is the key to data- and knowledge-centered systems in large-scale environments.
