DAN C. MARINESCU joined the Computer Science Department at the University of Central Florida in August 2001. Since 1984 he has been Associate and then Full Professor with the Computer Sciences Department at Purdue University, in West Lafayette, Indiana. He is conducting research in parallel and distributed systems, computational biology, ubiquitous computing and Petri nets and has published more than 130 papers in journals and refereed conference proceedings in these areas.

• Preface. Acronyms. Internet-Based Workflows. Basic Concepts and Models. Net Models of Distributed Systems and Workflows. Internet Quality of Service. From Ubiquitous Internet Services to Open Systems. Coordination and Software Agents. Knowledge Representation, Inference, and Planning. Middleware for Process Coordination: A Case Study. Glossary. Index.

DAN C. MARINESCU joined the Computer Science Department at the University of Central Florida in August 2001. Since 1984 he has been Associate and then Full Professor with the Computer Sciences Department at Purdue University, in West Lafayette, Indiana. He is conducting research in parallel and distributed systems, computational biology, ubiquitous computing and Petri nets and has published more than 130 papers in journals and refereed conference proceedings in these areas.

• Preface. Acronyms. Internet-Based Workflows. Basic Concepts and Models. Net Models of Distributed Systems and Workflows. Internet Quality of Service. From Ubiquitous Internet Services to Open Systems. Coordination and Software Agents. Knowledge Representation, Inference, and Planning. Middleware for Process Coordination: A Case Study. Glossary. Index.