The pervasive use of scenarios in the development of computer systems and software has motivated the need of formalisms for the description and manipulation of scenarios. In this paper we propose a scenario–based methodology to support requirements engineering. This methodology enables to exploit the emerging XML technologies in order to offer powerful ways to create, maintain, distribute and u...

tourism is an important tool for development in the world. many countries attention to their policies and programs, to continue the development of tourism as an effective tool in political, cultural and economic developments. this study discusses the identification of key factors believable and optimal future in the future of hamadan province's regional tourism. the study, in terms of func...

It is a well known fact that requirements are constantly evolving, posing great challenges to software developers. Traceability is defined as the ability to record both the origins and changes of requirements throughout the software development process [Gotel93]. In this paper we present some of the strategies we have been using to help assure traceability during software construction. They rel...