Query Processing Over Graph Structured Data On The Web
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Query Processing Over Graph Structured Data On The Web
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Author : M. Acosta Deibe
language : en
Publisher: IOS Press
Release Date : 2018-10-12
Query Processing Over Graph Structured Data On The Web written by M. Acosta Deibe and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-12 with Computers categories.
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.
Query Processing Over Graph Structured Data On The Web
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Author : Maribel Acosta Deibe
language : en
Publisher:
Release Date : 2018
Query Processing Over Graph Structured Data On The Web written by Maribel Acosta Deibe and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
Graph Data Management
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Author : George Fletcher
language : en
Publisher: Springer
Release Date : 2018-10-31
Graph Data Management written by George Fletcher and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-31 with Computers categories.
This book presents a comprehensive overview of fundamental issues and recent advances in graph data management. Its aim is to provide beginning researchers in the area of graph data management, or in fields that require graph data management, an overview of the latest developments in this area, both in applied and in fundamental subdomains. The topics covered range from a general introduction to graph data management, to more specialized topics like graph visualization, flexible queries of graph data, parallel processing, and benchmarking. The book will help researchers put their work in perspective and show them which types of tools, techniques and technologies are available, which ones could best suit their needs, and where there are still open issues and future research directions. The chapters are contributed by leading experts in the relevant areas, presenting a coherent overview of the state of the art in the field. Readers should have a basic knowledge of data management techniques as they are taught in computer science MSc programs.
Decentralized Query Processing Over Heterogeneous Sources Of Knowledge Graphs
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Author : L. Heling
language : en
Publisher: IOS Press
Release Date : 2022-03-08
Decentralized Query Processing Over Heterogeneous Sources Of Knowledge Graphs written by L. Heling and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-03-08 with Computers categories.
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.
Web Technologies And Applications
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Author : Yoshiharu Ishikawa
language : en
Publisher: Springer
Release Date : 2013-03-22
Web Technologies And Applications written by Yoshiharu Ishikawa and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-22 with Computers categories.
This book constitutes the refereed proceedings of the 15th Asia-Pacific Conference APWeb 2013 held in Sydney, Australia, in April 2013. The 80 papers presented were carefully reviewed and selected from numerous submissions. The papers are organized in topical sections on distributed processing; graphs; Web search and Web mining; XML, RDF data and query processing; social networks; probabilistic queries; multimedia and visualization; spatial-temporal databases; data mining and knowledge discovery; privacy and security; performance, query processing and optimization. There are also sections summarizing the tutorials and containing the papers from the following workshops: second international workshop on data management for emerging network infrastructure, international workshop on soical media analytics and recommendation technologies, and international workshop on management of spatial temporal data.
Rdf Database Systems
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Author : Olivier Curé
language : en
Publisher: Morgan Kaufmann
Release Date : 2014-11-24
Rdf Database Systems written by Olivier Curé and has been published by Morgan Kaufmann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-24 with Computers categories.
RDF Database Systems is a cutting-edge guide that distills everything you need to know to effectively use or design an RDF database. This book starts with the basics of linked open data and covers the most recent research, practice, and technologies to help you leverage semantic technology. With an approach that combines technical detail with theoretical background, this book shows how to design and develop semantic web applications, data models, indexing and query processing solutions. - Understand the Semantic Web, RDF, RDFS, SPARQL, and OWL within the context of relational database management and NoSQL systems - Learn about the prevailing RDF triples solutions for both relational and non-relational databases, including column family, document, graph, and NoSQL - Implement systems using RDF data with helpful guidelines and various storage solutions for RDF - Process SPARQL queries with detailed explanations of query optimization, query plans, caching, and more - Evaluate which approaches and systems to use when developing Semantic Web applications with a helpful description of commercial and open-source systems
Databases In Networked Information Systems
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Author : Subhash Bhalla
language : en
Publisher: Springer
Release Date : 2005-03-01
Databases In Networked Information Systems written by Subhash Bhalla and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-03-01 with Computers categories.
The 4th InternationalWorkshop on Databases in Networked Information Systems (DNIS 2005) was held on March 28–30, 2005 at the University of Aizu in Japan.
Web Technologies Research And Development Apweb 2005
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Author : Yanchun Zhang
language : en
Publisher: Springer Science & Business Media
Release Date : 2005-03-22
Web Technologies Research And Development Apweb 2005 written by Yanchun Zhang and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-03-22 with Computers categories.
This book constitutes the refereed proceedings of the 7th Asia-Pacific Web Conference, APWeb 2005, held in Shanghai, China in March/April 2005. The 71 revised full papers and 22 revised short papers presented together with 6 keynote papers and 22 invited demo papers were carefully reviewed and selected from 420 submissions. The papers are organized in topical sections on classification and clustering, topic and concept discovery, text search and document generation, Web search, mobile computing and P2P, XML, integration and collaboration, data mining and analysis, Web browsing and navigation, spatial data, stream data processing, Web services, ontologies, change management, personalization, performance and optimization, Web caching, data grid, multimedia, object recognition and information extraction, visualization and user interfaces, and delivery and networks.
Data Integration In The Life Sciences
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Author : Ulf Leser
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-07-06
Data Integration In The Life Sciences written by Ulf Leser and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-07-06 with Computers categories.
This book constitutes the refereed proceedings of the Third International Workshop on Data Integration in the Life Sciences, DILS 2006, held in Hinxton, UK in July 2006. Presents 19 revised full papers and 4 revised short papers together with 2 keynote talks, addressing current issues in data integration from the life science point of view. The papers are organized in topical sections on data integration, text mining, systems, and workflow.
Advances In Database Technology Edbt 2000
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Author : Carlo Zaniolo
language : en
Publisher: Springer
Release Date : 2003-06-26
Advances In Database Technology Edbt 2000 written by Carlo Zaniolo and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-06-26 with Computers categories.
EDBT 2000 is the seventh conference in a series dedicated to the advancement of database technology. This year’s conference special theme, \Connect Millions of Users and Data Sources," underscores the importance of databases for the information age that is dawning with the new millennium. The importance - rives not just from the observation that the information age essentially rests on theconvergenceofcommunications,computing,andstorage.Equallyimportant, many of the concepts and techniques underlying the success of databasesystems have independent meaning and impact for today’s distributed information s- tems. The papers in the volume should also be seen in this light. The EDBT 2000 conference program includes 30 research papers selected by the program committee out of 187 submissions, covering advances in research, development, and applications of databases. The conference program also - cludes six industry andapplications papers,a panel discussion,six tutorials,and several software demonstrations. The conference features three distinguished - vited speakers: Ashish Gupta discusses database issues in electronic commerce, Stefano Ceri addresses the impact and challenges of XML on databases, and Andreas Reuter shares his views on new perspectives on database technology. The technical contributions presented at the EDBT 2000 conference are colle- ed and preserved in this volume that we are pleased to present to you with the expectation that it will serve as a valuable research and reference tool in your professional life.