摘要:Nowadays various problems, including the rapid growth of complexity, continually changing requirements and the alignment of IT with business strategy, challenge traditional design principles in analyzing System-of-systems (SoS), while Service-Oriented Computing offers a flexible integration architecture to meet the dynamic requirements of SoS. This paper introduce a service-oriented modeling method for SoS requirements analysis based on a three-tier framework with multi-ontologies. The method provides a reusable and flexible solution for SoS requirements modeling and enable the high level requirements description of System-of-Systems can be mapped to service-oriented system design architecture directly. A case study is given to demonstrate the applicability of the method.