Unleashing Web 2.0 (eBook)

Front cover 1
Unleashing Web 2.0 4
Copyright page 5
Contents 8
Preface 12
Chapter 1 A Brief History of the Web 16
1.1 A new breed of applications: the rise of the Web 17
1.1.1 The arrival of the browser 17
1.1.2 The flattening of the world 22
1.1.3 From linking to searching 25
1.1.4 Commercialization of the Web 37
1.1.5 Peer-to-peer networks and free file sharing 49
1.2 Technological developments in a nutshell 53
1.2.1 IP networking 55
1.2.2 HTML and XML 57
1.2.3 Web services and RSS 61
1.3 User participation and contribution: socialization of the Web 64
1.3.1 Blogs and wikis 64
1.3.2 Social networks 73
1.4 Merging the streams: the arrival of "Web 2.0" 79
Chapter 2 A Review of the Technological Stream 84
2.1 Developments in Web technology 84
2.1.1 HTML 86
2.1.2 XML 91
2.1.3 CSS 95
2.1.4 Scripting technologies 102
2.2 Web applications of XML 117
2.2.1 Web services 117
2.2.2 Web feed formats 130
2.3 P2P 139
2.3.1 P2P file-sharing networks 139
2.3.2 Other P2P applications 143
2.4 Summary 147
Chapter 3 Enabling Techniques and Technologies 150
3.1 Rich Internet Applications 151
3.1.1 Sample RIAs: e-mail applications 152
3.1.2 XMLHttpRequest, the link needed for Ajax 161
3.1.3 More RIAs: Office and map applications 170
3.2 APIs, WPCs, and their mash-ups 176
3.2.1 The situation in Web 1.0 177
3.2.2 Content syndication with Web feeds 182
3.2.3 Mash-ups based on WPCs 187
3.3 Tagging 198
3.3.1 Flickr and tagging 200
3.3.2 Social bookmarking 210
3.3.3 Folksonomies 216
3.4 Summary 218
Chapter 4 Sample Frameworks for Web Application Development 220
4.1 Development methodologies 221
4.2 Client-side Ajax frameworks 226
4.2.1 Kabuki Ajax toolki 227
4.2.2 Development of a Zimlet using AjaxTK 231
4.3 Server-side frameworks 237
4.3.1 Ruby on Rails 237
4.3.2 Creating a Web application with Rails 239
4.4 Frameworks for other RIA technologies 247
4.4.1 RIA development with OpenLaszlo 247
4.4.2 Flash versus Ajax 251
4.5 Summary 253
Chapter 5 Impacts of the Next Generation of the Web 256
5.1 Business models for Internet and Web 257
5.1.1 Commission-based brokerage and merchants 258
5.1.2 Advertising 260
5.1.3 Information intermediaries 263
5.1.4 The community and the subscription models 264
5.1.5 Summary 265
5.2 Data ownership 266
5.3 Software as a Service (SaaS) 269
5.3.1 A look back: the ASP model 271
5.3.2 The provider-oriented view 272
5.3.3 The consumer-oriented view and service customization 278
5.4 Socialization and cocreation of content 281
5.4.1 Social search 281
5.4.2 Social aspects of software 286
5.4.3 Impacts of online social networks 288
5.4.4 User-generated content in advertising 290
5.4.5 Second Life 291
5.5 Summary 294
Chapter 6 The Semantic Web and Web 2.0 296
6.1 Basics 298
6.1.1 Search revisited 298
6.1.2 Data and information integration 302
6.1.3 The Semantic Web idea 304
6.1.4 The structure of the Semantic Web 307
6.2 Languages of the Semantic Web 310
6.2.1 The Resource Description Framework (RDF) 310
6.2.2 RDF Schema (RDFS) 313
6.2.3 Web Ontology Language (OWL) 318
6.3 Ontologies 323
6.3.1 Introduction 324
6.3.2 Design of an ontology 325
6.3.3 OntoMedia: an ontology-based personal entertainment system 335
6.4 From tagging to ontologies and back 338
6.4.1 Micro-formats 340
6.4.2 Collaborative tagging and folksonomies 343
6.5 Summary 349
References 352
Index 360
A 360
B 360
C 361
D 361
E 362
F 362
G 362
H 362
I 363
J 363
K 363
L 363
M 363
N 363
O 364
P 364
R 364
S 365
T 366
U 366
V 367
W 367
X 367
Y 368
Z 368