Table of contents : Overview....Pages 1-3 Electronic commerce: An overview....Pages 5-12 The standardisation of flexible EDI messages....Pages 13-26 Machine-negotiated, ontology-based EDI (Electronic Data Interchange)....Pages 27-45 Changes in the interchange agreements....Pages 47-67 Advanced electronic commerce security in a workflow environment....Pages 69-85 Temporal reasoning for automated workflow in health care enterprises....Pages 87-113 The information marketplace: Achieving success in commercial applications....Pages 115-147