Interactive systems : design specification and verification ; 10th international workshop ; revised papers This book constitutes the thoroughly refereed post proceedings of the 10th International Workshop on Design Specification and Verification of Interactive Systems DSV IS 2003 held in Funchal Madeira Island Portugal in June 2003. The 26 revised full papers and 5 revised short papers presented together with an invited paper have passed through two rounds of reviewing selection and improvement. The papers are organized in topical sections on test and evaluation Web and groupware tools and technologies task modeling model based design mobile and multiple devices UML and specification languages