1. Introduction

   • Athman Bouguettaya
   • Boualem Benatallah

   OriginalPaper Pages: 5 - 7

2. Enhancing ebXML Registries to Make them OWL Aware

   • Asuman Dogac
   • Yildiray Kabak
   • Jeff Pollock

   OriginalPaper Pages: 9 - 36

3. Using Semantics for Policy-Based Web Service Composition

   • Soon Ae Chun
   • Vijayalakshmi Atluri
   • Nabil R. Adam

   OriginalPaper Pages: 37 - 64

4. Resolution and Constraint Propagation for Semantic Web Services Discovery

   • Salima Benbernou
   • Mohand-Said Hacid

   OriginalPaper Pages: 65 - 81

5. A Trust-Based Context-Aware Access Control Model for Web-Services

   • Rafae Bhatti
   • Elisa Bertino
   • Arif Ghafoor

   OriginalPaper Pages: 83 - 105