This book constitutes the joint refereed proceedings of three workshops held in conjunction with the 9th International Conference on Web Information Systems Engineering, WISE 2008 in Auckland, New Zealand, September, 2008. The 16 revised full papers presented were carefully reviewed and selected from 40 submissions for presentation in the following workshops: The First International Workshop on Web Information Systems Engineering for Electronic Businesses and Governments (E-BAG 2008), The Second International Workshop on Web Usability and Accessibility (IWWUA 2008), and The First International Workshop on Mashups, Enterprise Mashups and Lightweight Composition on theWeb (MEM and LCW 2008).

E-BAG 2008 - First International Workshop on Web Information Systems Engineering for Electronic Businesses and Governments.- E-BAG 2008 Workshop PC Chairs' Message.- Service Computing for the Service Economy.- Minimizing the Impact of Change on User Productivity.- Mobile Payment: Towards a Customer-Centric Model.- Ontological Vulnerability Assessment.- Process Model Elicitation and a Reading Technique for Web Usability Inspections.- Ranking People Based on Metadata Analysis of Search Results.- IWWUA 2008 - Second International Workshop on Web Usability and Accessibility.- IWWUA 2008 Workshop PC Chairs' Message.- Beyond Conformance: The Role of Accessibility Evaluation Methods.- A Systematic Review of Usability Evaluation in Web Development.- Identifying Semantic Constructs in Web Documents to Improve Web Site Accessibility.- Improving the Usability of Novel Web Software: An Industrial Case Study of an Institutional Repository.- Measuring Web Accessibility by Estimating Severity of Barriers.- Modelling Web-Based Systems Requirements Using WRM.- Towards an Ontology-Based Approach for Dealing with Web Guidelines.- MEM&LCW 2008 - First International Workshop on Mashups, Enterprise Mashups and Lightweight Composition on the Web.- MEM&LCW 2008 Workshop PC Chairs' Message.- A Web Based Mashup Platform for Enterprise 2.0.- Bill Organiser Portal: A Case Study on End-User Composition.- Extending Services Delivery with Lightweight Composition.- Fixed-Mobile Hybrid Mashups: Applying the REST Principles to Mobile-Specific Resources.- Engineering Issues for the Web 2.0.