: Value-based requirements engineering focuses on the alignment of requirements engineering decisions and business value decisions. There is much evidence on the importance of this...
—In this paper, we introduce the personalized Internet protocol television (IPTV) services for new business opportunities in next generation networks (NGN) and present the direct...
: Communication services are currently confronted with large changes due to the price erosion of services and the entry of new service providers. The gap has been filled with diffe...
In goal-oriented requirements engineering (GORE), one usually proceeds from a goal analysis to a requirements specification, usually of IT systems. In contrast, we consider the us...