Web Information Systems and Technologies (eBook)

Preface 5
Organization 6
Table of Contents 10
Invited Papers 13
Programming Support and Governance for Process-Oriented Software Autonomy 14
Introduction 14
Business Process Runtime Requirements for Self-governance 16
Implementation of Autonomic Management 17
A Simple Example 19
A Case Study 22
Architectural Autonomy 22
Behavioural Autonomy 24
Evaluation 24
Adaptation Scenario 25
Introducing Neptune to the PetShop/Pet Store 25
Results 26
Conclusions 28
References 28
Representing and Validating Digital Business Processes 30
Introduction 30
Rule-Based Business Modeling 31
Logical Models for BR Languages 33
BR vs. Semantic Web-Style Knowledge Representation 35
Combining DL and Horn Rules 38
An Example of Hybrid Reasoning 39
Hybrid Reasoning 40
Related Work 41
Conclusions 42
References 42
Part I Internet Technology 44
Semi-automated Content Zoning of Spam Emails 45
Introduction 45
Content Zoning 47
Annotated Regions in Texts 47
Identification of Spam Emails 48
The COZO Explorer 49
A Spam Thesaurus 49
The Graphical User Interface 50
Selected Results 50
Zoning Pharmaceutical Spam Emails 50
Zoning Financial Spam Emails 51
Automated Image Sorting 52
Conclusions 53
References 53
Security and Business Risks from Early Design of Web-Based Systems 55
Introduction 55
Related Work 57
Security Risk Analysis 57
Preliminaries 57
Methodology 58
A Case Study 61
Web Application Design 61
Estimating Security Risks 63
Business Risk Analysis 66
Concluding Remarks 68
References 68
Designing Decentralized Service Compositions: Challenges and Solutions 70
Introduction 70
Background 71
Formal Considerations 72
Deriving Cooperating Processes 74
Dealing with the Consistency of Derived Processes 74
Putting the Deriving Operation into Practice 75
Wiring with Postset Activities 76
Wiring with Preset Activities 78
Conclusions 80
References 80
Grid Infrastructure Architecture: A Modular Approach from CoreGRID 82
Introduction 82
Functional Components of a Framework Architecture 84
Workflow Analyzer 85
Checkpointing 86
User and Account Management 87
ResourceMonitoring 88
Integration between Functional Components 89
Comparison with Other Works 91
Conclusions 92
References 93
The Privacy Advocate: Assertion of Privacy by Personalised Contracts 95
Introduction 95
Related Work 96
Negotiation Extensions 97
Requirements and Facultative Requests 97
Permissions and Prohibitions 98
Privacy Contracts 98
Privacy Advocate 98
Negotiation Process 99
Policy Evaluation 100
Protocol Issues 103
Implementation 103
Mobile PrivAd Client 103
PrivAd Server 104
Digital Signature 104
Negotiation Strategies 104
Summary and Outlook 106
References 106
Efficient Queries on XML Data through Partitioning 108
Introduction 108
Related Work 109
XPathBasics 110
Our Partitioning Method 111
Implementation Options 113
Relational Implementation 113
Native Implementation 114
Experimental Results 115
Relational Implementation 115
Native Implementation 116
Conclusions 117
References 118
Contract Based Behavior Model for Services Coordination 119
Introduction 119
Coordination Model with Transactional Behavior Properties 121
Service 122
Orchestration 122
Activity 123
Transactional Behavior Model 124
Contract 125
Atomicity Contracts 127
Defining Transactional Behavior for an e-Commerce Application 128
Activities 129
Contracts 129
Model Extensibility 130
Related Works 130
Conclusions and Future Work 131
References 132
Transparent Admission Control and Scheduling of e-Commerce Web Services 134
Introduction 134
Services and Load 135
TPC-APP 138
Experiments 139
Evaluation 140
Job-Size Estimation 140
Admission Control and Scheduling 140
Related Work 143
Conclusions 144
Future Work 145
Document-Style 145
Composite Services 145
Service-Level Agreements (SLA) 145
References 145
Part II Web Interfaces and Applications 147
Life Cases: A Kernel Element for Web Information Systems Engineering 148
Introduction 148
Related Work 149
Facets of Intention 150
LifeCases 153
The Concept of Life Case 155
Life Case Development 156
Semi-formal Representation of Life Cases 158
Transforming Life Cases to Requirements 160
Mapping Life Cases to Business Use Cases 160
The Algebra for Life Cases 161
Mapping Life Cases to Requirements 164
Conclusions 164
References 164
Finding Virtual Neighbors in 3D Blog with 3D Viewpoint Similarity 166
Introduction 166
The 3D Blog System 168
Features 168
Writing 3D Blog Entries 169
Reading 3D Blog 170
Finding Similar Entries 170
Finding Similar Entries: A Scenario 172
Automatic Playback of 3D Blog Entries 172
Discussion 176
Conclusions 176
References 177
Model Driven Formal Development of Digital Libraries 178
Introduction 178
VisMODLE, a DSVL for Digital Libraries 179
Model Driven Approach to Digital Libraries 182
Simulation of DL Models 184
Analysis of DL Models 187
Related Work 191
Conclusions 191
References 192
Predicting the Influence of Emerging Information and Communication Technologies on Home Life 193
Introduction 193
The Evolution of the Personalised Communication in the Home Network 194
The Assessing Environment 194
The Acceptance Model 195
Method 197
Measurement Scales 197
The Home Services Evaluated 198
The Users Profile 199
Set-Up of the Test Bed 200
The Tasks 201
The Data Analysis 202
Results 202
Descriptive Statistics 202
Correlation 204
Regression Models 206
Conclusions 207
References 208
RDF Collections 210
Introduction 210
RDF 211
Container Data Types 211
Formalizing RDF 214
Named RDF Graphs 216
Semantics 217
Graph Entailments 219
Conclusions 220
References 221
Logging and Analyzing User’s Interactions in Web Portals 222
Introduction 222
Background 224
The System 225
Log4p: The Logging Framework 225
The Log Analyzer 227
Related Work, Uses and Applications 231
Integrating Web Metrics 231
Portal Design 232
Personalization of the Portal 232
Portal and Portlet Usability 232
Logging and Analyzing Learner Behavior in On-Line Testing 233
Conclusions 235
References 236
A Semantics-Based Automatic Web Content Adaptation Framework for Mobile Devices 239
Introduction 239
Related Work 240
System Architecture 241
Semantics Extractor 243
Jena Inference System 244
Transcoder 246
System Implementation 246
Conclusions 250
References 250
Part III Society, e-Business and e-Government 252
Summarizing Online Customer Reviews Automatically Based on Topical Structure 253
Introduction 253
Related Work of Automatic Text Summarization 255
Summarization Based on Topical Structure 255
Pre-processing 256
Topic Identification 257
Candidate Sentence Extraction 258
Post-processing and Final Presentation 258
Evaluation of Summarization Results 259
Experimental Data Sets and Parameter Setting 259
Intrinsic Evaluation and Extrinsic Evaluation 260
Evaluation Results 261
Conclusions 262
References 263
The Structure of Web-Based Information Systems Satisfaction: An Application of Confirmatory Factor Analysis 265
Introduction 265
Theoretical Background 266
Factor Structure for WIS Satisfaction 267
Competing Models for WIS Satisfaction 268
Research Method 271
Data Collection 271
Measurement 272
Data Analytical Approach 272
Criteria for Comparing Model-Data Fit 273
Results 273
Checking for Multivariate Normality 273
Model Estimation 274
Goodness-of-Fit 274
Psychometric Properties 276
Discussion and Conclusions 277
Managerial Implications 277
Research Implications 278
Future Research 279
References 280
Part IV e-Learning 282
Introducing Communities to e-Learning 283
Introduction 283
Online Communities 285
Community in e-Learning 286
CLEV-R 287
Awareness 287
Communication 288
Collaboration 290
Mobile CLEV-R 290
Evaluation 291
Usability Results 292
Social Aspects 293
Additional Issues 294
Conclusions 295
References 296
Evaluating an Online Module on Copyright Law and Intellectual Property 298
Levels of Cognitive Reasoning 298
Learning and Knowledge Retention in e-Settings 299
The Context of the Study 300
Online Module 302
Procedure 302
Course Content 302
Course-End Test 303
Evaluation Strategies 304
Findings 304
Learning of Knowledge 305
Retention of Knowledge 305
Discussion 306
Conclusions 308
References 308
Using Games-Based Learning to Teach Software Engineering 310
Introduction 310
Previous Research 310
The Software Engineering Game 313
High-Level Objectives 314
Game Play 315
Game Design 317
Conclusions 318
References 318
Agility in Serious Games Development with Distributed Teams: A Case Study 320
Introduction 320
The PRIME Project 321
Stakeholders 321
Game Development 323
PRIME Development Methodology 325
Overview 325
Developer/End-User Partnerships 327
Working Groups 328
Development Status Overview 329
Conclusions 330
References 331
Improving the Flexibility of Learning Environments: Developing Applications for Wired and Wireless Use 333
Introduction 333
Mobility and Flexibility for Learning: The New Paradigm? 334
Designing for Fixed and Wireless Devices 337
Brief Summary of Current Evaluation Data 341
The Future 342
References 342
Evaluating an e-Learning Experience Based on the Sakai Environment 344
Introduction 344
Description of Sakai 345
The e-Learning Experience 346
Teaching Context 346
Online Learning Method 346
Implementation Details 348
The Experience Evaluation 349
Conclusions 352
References 352
Author Index 353