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).