This book constitutes the refereed proceedings of the four workshops that were organized in conjunction with the International Conference on Business Information Systems, BIS 2010, which took place in Berlin, Germany, May 3-5, 2010. The 33 papers presented were carefully reviewed and selected from 74 submissions. In addition, the volume includes the invited keynote for the LIT workshop. The topics covered are applications and economics of knowledge-based technologies (ILOG), business and IT alignment (BITA), information logistics (ILOG), and legal information systems (LIT).