Interaction and reconciliation of software requirements is one bounded issue about semantic interoperability, and related studies focus on constrain, extending and clustering of requirements semantics to satisfy stakeholders' requirements. Regarding the problem, a novel approach of interoperability extending for requirements semantics based on connecting ontologies that act as a semantic information carrier is proposed. Formal definition and generating algorithm of connecting ontologies are given for requirements modeling under the condition of service resources aggregation for relaxed coupling and different domain. By adopting the approach, a framework of automated integrating environment based on connecting ontologies is designed and developed. The paper also discusses the cutting-edge progress of related studies in order to give a new thought for networked software requirements engineering.
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