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  • 1
    Online Resource
    Online Resource
    [San Rafael, California] : Morgan & Claypool Publishers
    UID:
    b3kat_BV046427629
    Format: 1 Online-Resource (xvii, 166 Seiten) , Illustrationen
    ISBN: 9781681734316
    Series Statement: Synthesis lectures on data management #51
    Content: Graph data modeling and querying arises in many practical application domains such as social and biological networks where the primary focus is on concepts and their relationships and the rich patterns in these complex webs of interconnectivity. In this book, we present a concise unified view on the basic challenges which arise over the complete life cycle of formulating and processing queries on graph databases. To that purpose, we present all major concepts relevant to this life cycle, formulated in terms of a common and unifying ground: the property graph data model--the pre-dominant data model adopted by modern graph database systems. We aim especially to give a coherent and in-depth perspective on current graph querying and an outlook for future developments. Our presentation is self-contained, covering the relevant topics from: graph data models, graph query languages and graph query specification, graph constraints, and graph query processing. We conclude by indicating major open research challenges towards the next generation of graph data management systems
    Note: Part of: Synthesis digital library of engineering and computer science , Title from PDF title page (viewed on November 1, 2018)
    Additional Edition: Erscheint auch als Druck-Ausgabe, paperback ISBN 978-1-68173-430-9
    Additional Edition: Erscheint auch als Druck-Ausgabe, hardcover ISBN 978-1-68173-432-3
    Language: English
    Subjects: Computer Science
    RVK:
    Keywords: Graphdatenbank
    URL: Volltext  (URL des Erstveröffentlichers)
    Author information: Voigt, Hannes 1980-
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    UID:
    gbv_1032851058
    Format: 1 Online-Ressource (186 Seiten)
    ISBN: 9781681734316
    Series Statement: Synthesis Lectures on Data Management #51
    Content: Intro -- Foreword -- Acknowledgments -- Introduction -- Data Models -- Property Graph Model -- Variations of the PGM -- Specializations -- Structural Extensions -- Data Representation Extensions -- Summary -- Bibliographic and Historical Notes -- Query Languages -- Basic Functionality -- Regular Path Queries -- Conjunctive Graph Queries -- Conjunctive Regular Path Queries -- Unions of Conjunctive Regular Path Queries -- Relation Algebra -- Regular Property Graph Queries -- Regular Property Graph Logic -- Regular Property Graph Algebra -- Equivalence and Complexity of RPGLog and RPGA -- RPGQ in Context -- Important Fragments of RPGQ -- Extending RPGQ For Composability -- RPGQ and Practical Graph Query Languages -- Bibliographic and Historical Notes -- Constraints -- Preliminaries -- Graph Functional Dependencies -- Syntax -- Semantics -- Satisfiability -- Implication -- Validation -- Graph Entity Dependencies -- Definition and Special Cases -- Preliminaries -- Chasing Graph Entity Dependencies -- Satisfiability, Implication, and Validation -- Extension to Graph Denial Constraints -- Applications and Practical Impact of Graph Dependencies -- Other Constraints for Graph Data Management -- Graph Neighborhood Constraints -- Graph-to-Graph Constraints -- Bibliographic and Historical Notes -- Query Specification -- Path Query Specification -- The Definability Problem for Graph Queries -- Complexity of Definability for Graph Queries -- From Definability to Learnability of Graph Queries -- Interactive Graph Query Specification -- Graph Searching for Querying -- Query-Driven Graph Exploration -- Bibliographic Notes -- Data Structures and Indexes -- Conceptual Schemas of PGM Representation -- Direct Representation of Ternary Relations -- Value Compression -- Value Indexing -- Pivoted Representation of Ternary Relations -- Adjacency Indexing
    Content: Uncompressed Adjacency Representation -- Compressed Adjacency Representation -- Reachability Indexing -- General Considerations -- Techniques -- Structural Indexing -- Bibliographic and Historical Notes -- Query Processing -- Query Pipeline -- Subgraph Matching Queries -- DFS-Based algorithms -- BFS-Based Algorithms -- Discussion -- Regular Path Queries -- Relational Algebra and Datalog-Based Approaches -- Finite Automata-Based Approaches -- Unions of Conjunctive Regular Path Queries -- Bibliographic and Historical Notes -- Physical Operators -- Transitive Closure -- Multi-Way Joins -- Cardinality Estimation -- Cardinality of Paths -- Cardinality of Patterns -- Further Optimizations -- Bibliographic and Historical Notes -- Research Challenges -- Bibliography -- Authors' Biographies -- Blank Page
    Additional Edition: ISBN 9781681734309
    Language: English
    Author information: Voigt, Hannes 1980-
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  • 3
    Book
    Book
    [San Rafael, California] :Morgan & Claypool Publishers,
    UID:
    almahu_BV045376057
    Format: xvii, 166 Seiten : , Illustrationen.
    ISBN: 978-1-68173-430-9 , 978-1-68173-432-3
    Series Statement: Synthesis lectures on data management #51
    Additional Edition: Erscheint auch als Online-Ausgabe ISBN 978-1-68173-431-6
    Language: English
    Subjects: Computer Science
    RVK:
    Keywords: Graphdatenbank
    Author information: Voigt, Hannes, 1980-
    Library Location Call Number Volume/Issue/Year Availability
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  • 4
    UID:
    gbv_772421072
    Format: Online-Ressource (1 online resource (94 pages))
    Edition: Association for Computing Machinery-Digital Library
    ISBN: 1595935258
    Series Statement: ACM Digital Library
    Note: Title from The ACM Digital Library
    Language: English
    Keywords: Konferenzschrift
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  • 5
    UID:
    gbv_772451885
    Format: Online-Ressource (1 online resource (88 pages))
    Edition: Association for Computing Machinery-Digital Library
    ISBN: 1595931945
    Series Statement: ACM Digital Library
    Note: Title from The ACM Digital Library
    Language: English
    Keywords: Konferenzschrift
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  • 6
    UID:
    almahu_9947364020902882
    Format: X, 144 p. , online resource.
    ISBN: 9783540752882
    Series Statement: Lecture Notes in Computer Science, 4704
    Content: Since its first edition in 2003, the XML Database Symposium series (XSym) has been a forum for academics, practitioners, users and vendors to discuss the use of and synergy between databases and XML. The previous symposia have provided opportunities for timely discussions on a broad range of topics pertaining to the theory and practice of XML data management and its applications. XSym 2007 continues this tradition with a program consisting of three research sessions, two keynote talks and a panel. We received 28 full paper submissions, out of which 8 were accepted for publication in these proceedings. Each submitted paper underwent a rigorous and careful review by a minimum of 4 independent referees. The contributions in these proceedings are a fine sample of the very best current research in XPath and XQuery processing, XML Updates, Temporal XML and Constraints. This volume also contains two invited short papers by the XSym 2007 keynote speakers: Leonid Libkin (University of Edinburgh, UK) contributed a thorough discussion of Normalization Theory for XML, while Erhard Rahm (University of Leipzig, Germany) contributed an interesting overview of the work on Dynamic Fusion of Web Data carried out at his - search group. This year, XSym will top its program off by an exciting panel with the title “The Generation Y of XML Schema Matching”. It was proposed and is organized by Avigdor Gal from Technion – Israel Institute of Techn- ogy.
    Note: Invited Talks -- Normalization Theory for XML -- Dynamic Fusion of Web Data -- XPath Query Answering -- XPath Query Satisfiability is in PTIME for Real-World DTDs -- Fast Answering of XPath Query Workloads on Web Collections -- XQuery Evaluation and Performance -- Let a Single FLWOR Bloom -- Efficient XQuery Evaluation of Grouping Conditions with Duplicate Removals -- On the Effectiveness of Flexible Querying Heuristics for XML Data -- XML Updates, Temporal XML Data and Concurrency -- XML Schema Evolution: Incremental Validation and Efficient Document Adaptation -- Managing Branch Versioning in Versioned/Temporal XML Documents -- SXDGL: Snapshot Based Concurrency Control Protocol for XML Data -- Panel -- The Generation Y of XML Schema Matching Panel Description.
    In: Springer eBooks
    Additional Edition: Printed edition: ISBN 9783540752875
    Language: English
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  • 7
    UID:
    almahu_9949850807302882
    Format: IX, 153 p. 64 illus., 57 illus. in color. , online resource.
    Edition: 1st ed. 2024.
    ISBN: 9783662696033
    Series Statement: Transactions on Large-Scale Data- and Knowledge-Centered Systems, 14790
    Content: The LNCS journal Transactions on Large-scale Data and Knowledge-centered Systemsfocuses on data management, knowledge discovery, and knowledge processing, which are core and hot topics in computer science. Since the 1990s, the Internet has become the maindriving force behind application development in all domains. An increase in the demand forresource sharing across different sites connected through networks has led to an evolution ofdata- and knowledge-management systems from centralized systems to decentralized systemsenabling large-scale distributed applications providing high scalability. This, the 56th issue of Transactions on Large-Scale Data- and Knowledge-Centered Systems,contains five fully revised and extended papers selected from the 39th conference on DataManagement - Principles, Technologies and Applications, BDA 2023. The topics cover awide range of timely data management research topics on adaptive learning, personal datamanagement systems, topic discovery in large corpora, spatio-temporal query processing, anddata generation.
    Note: Multi-Objective Test Recommendation for Adaptive Learning -- Handling Dropouts in Federating Learning with Personal Data Management Systems -- ANTM: Aligned Neural Topic Models for Exploring Evolving Topics -- A Data-Driven Model Selection Approach to Spatio-Temporal Prediction -- Optimistic Data Generation for JSON Schema.
    In: Springer Nature eBook
    Additional Edition: Printed edition: ISBN 9783662696026
    Additional Edition: Printed edition: ISBN 9783662696040
    Language: English
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