Welcome to BIS'99 Business Information Systems 99 is an international conference being held for the third time. BIS'99 aims to discuss the development, implementation, application and improvement of computer systems for business processes. It is addressed to the scientific community, people involved in the development of business computer applications, and to consultants helping to properly implement computer technology and applications in industry. Over 50 selected papers will be presented at BIS'99 during the scientific and practical sessions. The papers deal with a variety of topics...

Information is a key factor in business today, and data warehousing has become a major activity in the development and management of information systems to support the proper flow of information. Unfortunately, the majority of information systems are based on structured information stored in organizational databases, which means that the company is isolated from the business environment by concentrating on their internal data sources only. It is therefore vital that organizations take advantage of external business information, which can be retrieved from Internet services and mechanically...