Exchanging business information by connecting computer systems of business partners is not particularly new, but seamless integration is still an open issue. The problem domain of seamless information flows has two major dimensions. The first dimension deals with the format of the business data exchanged. The second dimension, which represents the core of this book, focuses on the business content of the information exchanged. In other words, the semantics of the business information independent of the representation format. Only if business partners have a common view on the business...