Paul JohannessonPaul Johannesson received his BSc in Mathematics, and his PhD in Computer Science from Stockholm University in 1983 and 1993, respectively. He holds a position as professor at the Royal Institute of Technology, where he works in the area of informatin systems. Johannesson has published more than 100 papers on federated information systems, translation between data models, languages for conceptual modelling, schema integration, the use of linguistic instruments in information systems, process integration, e-commerce systems design, and analysis patterns in systems design. He has been the project leader of and participated in several national projects on information integration, the use of IT in teaching information systems design, process modelling and integration, and IT in health care. Read More Read Less