“…Network of Excellence S-Cube, EU describes the knowledge model and quality reference model for service internet (Metzger and Pohl, 2009), and transfers the technical achievements of all aspects of the internet to more than 400 enterprises through the European technology platform. IBM has described the service computing research framework, service science, management and engineering systems in terms of intelligence and cognitive services (Endrei et al, 2004;Kloeckner et al, 2018), and some of the technical methods have been integrated into IBM cloud computing, business management and other products. (2) Service system construction and optimization: It mainly studies the methodology based on traditional software engineering methods, model-driven service methodology, service methodology based on domain analysis and business objectives/semantic-driven service methodology.…”