Symbiosis is a multiple case study into Dutch IT-outsourcing practice. Outsourcing is an important economic activity. For that reasons it makes sense to discover what contributes to the success of outsourcing projects. For this purpose detailed information has been gathered from 30 cases by means of interviews guided by questionnaires. The cases have been followed over a number of years.This research received partial support by the Dutch Joint Academic and Commercial Quality Research & Development program on Software Engineering (NWO's programme Jacquard) via contract 638.003.611 Symbiosis: Synergy of managing business-IT-alignment, IT-outsourcing and offshoring success in society.

There's an archive of the project at the University of Amsterdam, Informatics Institute, with: prints of the interviews often also containing case descriptions not found in the database. Moreover, there's a detailed description of the transformation of the MS Word text data to the database. For researchers it may worthwhile to know all steps in this process have been recorded and documented.