Generative and Component Based Software Engineering : First International Symposium GCSE’99 Erfurt Germany September 28–30 1999 Revised Papers This book constitutes the thoroughly refereed post proceedings of the First International Symposium on Generative and Component Based Software Engineering GCSE99 held in Erfurt Germany in September 1999. The 15 thoroughly revised full papers presented together with an invited paper have gone through two rounds of reviewing and improvement. The book offers topical sections on aspects generative approaches language composition component oriented language idioms and domain analysis and component based development