||This volume contains the invited papers and the contributed papers that were selected for presentation at the Second International Workshop on Information Integration and Web-based Applications and Services, IIWAS2000. IIWAS2000 was held from September 26 to September 28, 2000 in Yogyakarta, Indonesia.The Internet and the World Wide Web are revolutionizing all aspects of our life at work, at home, and at school. At the core of this revolution is the ability to efficiently and effectively share and exchange information virtually with anyone, anytime, anywhere. This revolution has completely changed the way we think about communication in our personal and professional environments creating exciting new opportunities for improving our communications and societies.Now that these opportunities being understood by people and organizations, new challenges arise from the requirements for the next generation of information systems they compel.Exactly these challenges are addressed by researchers and professionals studying the principles, techniques, and technologies for the intelligent integration of information.Following the success of IIWAS'99, we have once again in IIWAS2000 gathered internationally renowned specialists in the areas of intelligent integration of information and Web based applications and services. The reader will discover cutting-edge results and developments in important fields such as data warehousing, information mediation, agent-based systems and mobility, XML, multimedia information management, cross cultural and cross lingual applications, and industrial Web applications.She will find an accurate snapshot of the latest technologies and tools available at the dawn of the 21st century for building the future information society.