Interactive multimedia learning : shared reusable visualization-based modules

In this book several concepts with respect to the development and reusability of multimedia content in web-based learning systems are introduced. More specifically, the development of a component-based framework that enables developers to employ reusable software components enhanced with metadata, creating complete instructional visualizations for a given subject and integrating these visualizations in an appropriate learning context, is discussed. Two activities for making stand-alone visualizations group-aware are addressed: transparent sharing of the same instructional visualization with diverse views in a moderated session, and organization of interactions in the shared workspace. No other work has addressed the issue of transparent collaboration based on instructional visualizations enhanced with metadata in such a way.

Abstract	p. v
Acknowledgments	p. vi
Table of Contents	p. vii
List of Figures	p. xi
List of Tables	p. xiii
Chapter 1 Introduction	p. 1
1.1 Motivation	p. 1
1.2 Requirements	p. 3
1.3 Research Approach	p. 4
1.4 Contributions	p. 5
1.5 Outline	p. 6
Chapter 2 Visualization and Animation in Education	p. 7
2.1 Computer-based Visualization: Definitions and Goals	p. 7
2.2 Instructional Use of Visualizations	p. 9
2.2.1 Scientific and Engineering Visualization	p. 9
2.2.2 Mathematical Visualization	p. 10
2.2.3 Information Visualization	p. 10
2.2.4 Computation Visualization	p. 10
2.3 Spectrum of Instructional Visualization Systems	p. 12
2.3.1 Degree of Abstraction	p. 13
2.3.2 Degree of Interactivity	p. 14
2.4 Case Studies	p. 17
2.4.1 Sorting Out Sorting	p. 17
2.4.2 BALSA	p. 18
2.4.3 Zeus	p. 18
2.4.4 TANGO	p. 19
2.4.5 Movie and Stills	p. 21
2.4.6 The Exploratory Project	p. 21
2.4.7 HalVis	p. 21
2.4.8 Other Visualization Systems	p. 23
2.4.9 Lessons Learned	p. 23
2.5 Summary	p. 25
Chapter 3 Reusable Instructional Visualization Modules	p. 27
3.1 Software Reuse in Learning Systems	p. 28
3.1.1 Object-Oriented Programming	p. 29
3.1.2 Ad-hoc or Non-Systematic Reuse	p. 31
3.1.3 Design Patterns	p. 31
3.1.4 Software Architectures	p. 32
3.1.5 Object Oriented Frameworks	p. 34
3.1.6 Component Software	p. 37
3.2 Component-Based Development Methodology	p. 39
3.2.1 Granularity of Instructional Visualization	p. 40
3.2.2 Component Characteristics	p. 43
3.2.3 Component Assembly	p. 45
3.2.4 Components for Instructional Visualizations	p. 46
3.2.5 Component Repositories	p. 47
3.3 Metadata in Learning Systems	p. 48
3.3.1 Definition and Goals	p. 48
3.3.2 Application of Metadata	p. 49
3.3.3 Metadata Standard	p. 50
3.3.4 Lessons Learned	p. 54
3.4 Metadata and Interactive Visualizations	p. 54
3.4.1 Metadata Classification	p. 55
3.4.2 Meta-metadata	p. 56
3.4.3 Metadata Specification for Interactive Learning Objects	p. 56
3.4.4 Extension of IEEE's LOM	p. 58
3.4.5 Flexible Visualization	p. 58
3.5 Summary	p. 59
Chapter 4 Multibook: The Personal Multimedia Book	p. 61
4.1 The Multibook System	p. 61
4.1.1 Overview	p. 62
4.1.2 ConceptSpace	p. 64
4.1.3 MediaBrickSpace	p. 66
4.1.4 Metadata	p. 66
4.2 Dynamic Metadata	p. 67
4.2.1 Adaptation of Visualization to User Preferences	p. 69
4.2.2 Enhanced Tagging Engine	p. 73
4.2.3 Enhanced Customizing Engine	p. 76
4.3 ITBeanKit: Interactive Teaching Bean Kit	p. 78
4.3.1 Design Issues	p. 79
4.3.2 General-Purpose Classes	p. 80
4.3.3 Graphical User Interface	p. 81
4.3.4 User Interaction	p. 83
4.3.5 Internationalization Support	p. 84
4.3.6 Construction Kit	p. 85
4.4 Putting it All Together: Visualization of Ethernet	p. 87
4.4.1 Decomposition	p. 87
4.4.2 Reusability Measurement	p. 90
4.4.3 Parade Lesson	p. 92
4.4.4 User Evaluation	p. 94
4.5 Summary	p. 99
Chapter 5 Collaborative Use of Instructional Visualizations	p. 101
5.1 Web-based Learning	p. 101
5.1.1 Fundamentals of Real-Time Sharing	p. 102
5.1.2 Synchronous Collaboration Approaches	p. 103
5.1.3 Distributed System Architectures	p. 104
5.2 Related Work	p. 106
5.2.1 SharedX	p. 106
5.2.2 JVTOS	p. 107
5.2.3 NetMeeting	p. 107
5.2.4 JCE	p. 108
5.2.5 Habanero	p. 108
5.2.6 JAMM	p. 108
5.2.7 JETS	p. 109
5.2.8 DyCE	p. 109
5.2.9 Java Remote Control Tool	p. 109
5.2.10 Lessons Learned	p. 110
5.3 JASMINE'S System Architecture	p. 110
5.3.1 Aims and Features	p. 111
5.3.2 Main Idea	p. 111
5.3.3 Server Architecture	p. 112
5.3.4 Client Architecture	p. 114
5.3.5 Data Flow	p. 117
5.4 JASMINE's Features	p. 118
5.4.1 Configuration File	p. 119
5.4.2 Floor Control	p. 119
5.4.3 Moderation	p. 120
5.5 Sharing Different Views of the Same Visualization	p. 121
5.5.1 Shared Browsing	p. 123
5.6 Performance Evaluation	p. 124
5.6.1 Parameters of Interest	p. 124
5.6.2 Testing and Results	p. 126
5.6.3 Subjective evaluation	p. 128
5.6.4 Analysis	p. 129
5.7 Summary	p. 131
Chapter 6 Conclusions and Outlook	p. 133
Abbreviations	p. 135
References	p. 139
Author's Publications	p. 155
Appendix A Case Study: Visualization of JPEG	p. 159
A.1 Fundamentals	p. 159
A.2 Implementation	p. 161
Appendix B LOM	p. 166
B.1 Basic Structure	p. 166
B.2 LOM Categories	p. 169
Appendix C On-line-Questionnaire	p. 175
C.1 Questions	p. 175
Appendix D List of Developed Visualizations	p. 178
D.1 Complete Lessons	p. 178
D.2 Stand-alone Applets	p. 178
Index	p. 181

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