1. Guest Editorial

   • Boualem Benatallah
   • Fabio Casati

   Editorial Board Pages: 115 - 116

2. What's in a Service?

   • Justin O'Sullivan
   • David Edmond
   • Arthur ter Hofstede

   OriginalPaper Pages: 117 - 133

3. An Overview of Standards and Related Technology in Web Services

   • Aphrodite Tsalgatidou
   • Thomi Pilioura

   OriginalPaper Pages: 135 - 162

4. The Application of Workflow Technology in Semantic B2B Integration

   • Christoph Bussler

   OriginalPaper Pages: 163 - 191

5. Workflow View Based E-Contracts in a Cross-Organizational E-Services Environment

   • Dickson K.W. Chiu
   • Kamalakar Karlapalem
   • Eleanna Kafeza

   OriginalPaper Pages: 193 - 216

6. A Reference Architecture for the Certification of E-Services in a Digital Government Infrastructure

   • F. Arcieri
   • G. Melideo
   • M. Talamo

   OriginalPaper Pages: 217 - 234