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Decentralized query processing over heterogeneous sources of knowledge graphs / L. Heling.

EBSCOhost Academic eBook Collection (North America) Available online

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Format:
Book
Author/Creator:
Heling, Lars, author.
Series:
Studies on the semantic web ; v.54
Language:
English
Subjects (All):
Data mining.
Natural language processing (Computer science).
Database management.
Physical Description:
1 online resource (326 pages)
Edition:
1st ed.
Place of Publication:
Amsterdam, Netherlands : IOS Press, Incorporated, 2022.
Summary:
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.
Contents:
Intro
Title Page
Abstract
Contents
Foundations
Introduction
Motivation
Problem Statement
Challenges
Hypotheses
Contributions
Outline
Preliminaries
The Semantic Web, Linked Data, and Knowledge Graphs
The Resource Description Framework
The SPARQL Protocol and RDF Query Language
Linked Data Fragments
Foundations of Query Processing
Sample-based Knowledge Graph Profiling
Related Work: Knowledge Graph Profiling and Sampling
Performance Profiling
Statistical Profiling
Sampling from Graphs
Performance Profiling of Triple Pattern Fragments
Motivating Example
Triple Pattern Fragments Profiler
Evaluation
Conclusion
Statistical Profiling for Federated Query Processing
Characteristic Sets Profile Feature Estimation
Estimation-based Federated Query Planning
Decentralized Query Processing over Knowledge Graphs
Related Work: Decentralized Query Processing
Single Knowledge Graphs
Multiple Knowledge Graphs
Robust Query Processing in Relational Databases
Robust Query Processing over Linked Data Fragments
Robust Query Planning
A New Class of Adaptive Join Operators
Federated Query Processing over Heterogeneous Linked Data Fragments
Federations of Linked Data Fragment Services
Conceptual Framework
Illustration of the Framework
Summary
Outlook
Bibliography
Notation
Acronyms
Prefixes
Additional Material
Chapter 4
Chapter 5
Efficiency of CSPF Computation
Chapter 7.
Notes:
Description based on online resource; title from home page (ProQuest Ebook Central, viewed on November 8, 2022).
Description based on publisher supplied metadata and other sources.
Other Format:
Print version: Heling, L. Decentralized Query Processing over Heterogeneous Sources of Knowledge Graphs
ISBN:
9781643682617
OCLC:
1317772464

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