Visualizing the Semantic Web - XML-based Internet and Information Visualization

Preface

Contents

PART 1 Semantic, Visual, and Technological Facets of the Second-Generation Web

Chapter 1 The Concept and Architecture of the Semantic Web

1.1 From HTML to XML and the Semantic Web

1.2 The XML Family of Technologies

1.3 The Architecture of the Semantic Web

1.4 References

Chapter 2 Information Visualization and the Semantic Web

2.1 Introduction

2.2 The Semantic Web

2.2.1 Visualization Issues

2.2.2 Semantic Annotation

2.3 Information Visualization

2.3.1 Tracking Knowledge and Technology Trends

2.3.2 Citation Analysis

2.3.3 Patent Citation Analysis

2.4 A Harmonious Relationship?

2.4.1 Beyond Information Retrieval

2.4.2 Yin and Yang

2.4.3 An Illustrative Example

2.5 Conclusion

2.6 References

Chapter 3 Ontology-Based Information Visualization: Toward Semantic Web Applications

3.1 Introduction

3.2 Cluster Map Basics

3.3 Applications

3.3.1 The DOPE Browser

3.3.2 Xarop/SWAP: Peer-to-Peer Knowledge Management

3.3.3 Aduna AutoFocus

3.4 Uses of Ontology-Based Visualization

3.4.1 Data Analysis

3.4.2 Querying

3.4.3 Exploration

3.5 Future Work

3.6 Summary

3.7 References

Chapter 4 Topic Maps, RDF Graphs, and Ontologies Visualization

4.1 Introduction

4.2 Topic Maps, RDF, and Ontologies Basic Concepts

4.2.1 Topic Maps

4.2.2 RDF

4.2.3 Ontologies

4.3 Semantic Graphs Visualization

4.3.1 Visualization Goals

4.3.2 Visualization Techniques

4.4 Conclusion and Perspectives

4.5 References

Chapter 5 Web Services: Description, Interfaces, and Ontology

5.1 Introduction

5.2 Semantic Web and Web Services: A Comparison

5.3 Web Services Definition and Description Layers

5.3.1 Standardization Efforts

5.3.2 The Significance of SOAP

5.4 SOAP in Greater Detail

5.4.1 SOAP Message

5.4.2 The Structure of a SOAP Message

5.4.3 Examples of SOAP Messages

5.5 What Is It Like for a Programmer?

5.5.1 Axis SOAP Server and Tomcat Servlet Engine

5.5.2 From Java Class to SOAP Server

5.5.3 Constructing a SOAP Client

5.6 WSDL

5.6.1 WSDL Document Structure and Examples

5.6.2 Options and Alternatives

5.6.3 What Can One Do with WSDL?

5.7 UDDI

5.7.1 Components of a UDDI Entry

5.7.2 UDDI and WSDL

5.7.3 Semantical and Ontological Needs

5.8 References

Chapter 6 Recommender Systems for the Web

6.1 Introduction

6.2 The Beginning of Collaborative Filtering

6.3 Automated Collaborative Filtering

6.4 Enhancing Collaborative Filtering with Semantics

6.4.1 New Users and New Items

6.4.2 Integrated Content/Collaborative Filtering Solutions

6.4.3 Situational and Task-Focused Recommenders

6.5 Explanation and Inference

6.5.1 Explaining Recommendations

6.5.2 Focusing Implicit Ratings

6.6 Socially Aware Recommenders

6.6.1 Social Navigation

6.6.2 Recommending for Groups

6.7 Portable Recommenders

6.8 Cheating with Recommenders

6.9 Conclusion

6.10 Acknowledgments

6.11 References

Chapter 7 SVG and X3D: New XML Technologies for 2D and 3D Visualization

7.1 Introduction

7.2 SVG

7.3 X3D

7.4 The Use and Advantages of SVG and X3D

7.5 References

PART 2 Visual Techniques and Applications for the Semantic Web

Chapter 8 Using Graphically Represented Ontologies for Searching Content on the Semantic Web

8.1 Introduction

8.2 Visual Query Languages

8.3 The Graphical Ontology Designer Environment

8.3.1 Enabling Technologies

8.3.2 GODE GUI and Functionality

8.3.4 Advanced Search

8.3.5 Application Area of Advanced Graphical Ontologies

8.3.6 Intended Audience for Advanced Graphical Search

8.3.7 Possible Traps

8.4 Conclusion and Further Work

8.5 Acknowledgments

8.6 References

Chapter 9 Adapting Graph Visualization Techniques for the Visualization of RDF Data

9.1 Introduction

9.2 Background

9.3 GViz

9.3.1 Data Model

9.3.2 Operation Model

9.3.3 Visualization

9.4 Applications

9.4.1 Conceptual Model Visualization

9.4.2 Conceptual Model Instance Visualization

9.4.3 Application Model Visualization

9.4.4 Application Model Instance Visualization

9.5 Future Work

9.6 Summary

9.7 Acknowledgments

9.8 References

Chapter 10 Spring-Embedded Graphs for Semantic Visualization

10.1 Introduction

10.2 A Suitable Graph Drawing Algorithm

10.3 The Tool

10.4 Case Study 1: Visualizing Ontologies—Zoological Information Management System

10.5 Case Study 2: Visualizing Instance Data—Social Network Visualization

10.6 Future Work

10.7 Conclusions

10.8 References

Chapter 11 Semantic Association Networks: Using Semantic Web Technology to Improve Scholarly Knowledge and Expertise Management

11.1 Introduction

11.2 Scientific Trends and Current Means to Access Knowledge and Expertise

11.3 Semantic Association Networks

11.4 Implementing SANs: Opportunities and Challenges

11.5 Concluding Remarks

11.6 Acknowledgments

11.7 References

Chapter 12 Interactive Interfaces for Mapping E-Commerce Ontologies

12.1 XML-Based Communication between Companies: Visualizing a Mutual Understanding

12.2 The Process of Creating and Reading XML Documents and Its Native Visualizations

12.3 Technologies for Visualizing XML Documents

12.4 A Generalized Interface for Visualizing XML Metadata and Their Structural Relationships

12.5 A Web-Based Ontology Translator for E-Commerce Documents

12.6 Future Work

12.7 References

Chapter 13 Back Pain Data Collection Using Scalable Vector Graphics and Geographical Information Systems

13.1 Introduction

13.1.1 Back Pain Questionnaires

13.2 The Pain Drawing

13.2.1 Scoring Methods

13.2.2 Pain Drawings—Conclusions

13.3 Back Pain Data—Technological Solutions

13.3.1 SVG

13.3.2 ASP

13.3.3 GIS

13.3.4 Visualization for Mobile and Embedded Applications

13.4 System Requirements and Development

13.4.1 Regional Diagram for Visual Interaction

13.4.2 ASP with a GIF Image Map

13.4.3 ASP with SVG Image Map

13.4.4 GIS

13.5 Wireless-Enabled PDA Solution

13.6 Solutions Review and Comparison

13.6.1 Comparisons

13.7 Conclusions

13.8 References

Chapter 14 Social Network Analysis on the Semantic Web: Techniques and Challenges for Visualizing FOAF

14.1 Introduction

14.2 XML, the Semantic Web, and FOAF

14.3 Analyzing LiveJournal FOAF

14.4 Discussion and Conclusions

14.5 Acknowledgments

14.6 References

Chapter 15 Concluding Remarks: Today’s Vision of Envisioning the Semantic Future

Index