Linked Data Visualization. Laura Po

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       ABSTRACT

      Linked Data (LD) is a well-established standard for publishing and managing structured information on the Web, gathering and bridging together knowledge from different scientific and commercial domains. The development of Linked Data Visualization techniques and tools has been followed as the primary means for the analysis of this vast amount of information by data scientists, domain experts, business users, and citizens.

      This book covers a wide spectrum of visualization issues, providing an overview of the recent advances in this area, focusing on techniques, tools, and use cases of visualization and visual analysis of LD. It presents the basic concepts related to data visualization and the LD technologies, the techniques employed for data visualization based on the characteristics of data techniques for Big Data visualization, use tools and use cases in the LD context, and finally a thorough assessment of the usability of these tools under different scenarios.

      The purpose of this book is to offer a complete guide to the evolution of LD visualization for interested readers from any background and to empower them to get started with the visual analysis of such data. This book can serve as a course textbook or a primer for all those interested in LD and data visualization.

       KEYWORDS

      linked data, data visualization, visual analytics, big data, visualization tools, web of data, semantic web, data exploration, information visualization, usability evaluation, human-computer interaction

       Contents

       Preface

       Acknowledgments

       1 Introduction

       1.1 The Power of Visualization on Linked Data

       1.2 The Web of Linked, Open, and Semantic Data

       1.3 Principles of Linked Data

       1.4 The Linked Open Data Cloud

       1.5 Web of Data in Numbers

       1.6 The Value and Impact of Linked and Open Data

       1.7 Semantic Web Technologies

       1.8 Conclusions

       2 Principles of Data Visualization

       2.1 Data Visualization Design Process

       2.2 Data Visualization Types

       2.2.1 Visualizing Patterns over Time

       2.2.2 Visualizing Proportions

       2.2.3 Visualizing Graph Relationships

       2.2.4 Visualizing Data on Maps

       2.3 Interactive Visualization

       2.4 Visualization in Big Data Era

       2.4.1 How Does the Visualization of Big Data Differ from Traditional Ones?

       2.4.2 Visualization Systems and Techniques

       2.5 Conclusions

       3 Linked Data Visualization Tools

       3.1 Evolution Over Time