Weijun Yu

Title: Weijun Yu - Innovator in Hybrid-Type Authorization

Introduction

Weijun Yu is a notable inventor based in Shanghai, China. He has made significant contributions to the field of authorization policies through his innovative patent. His work focuses on enhancing the efficiency and effectiveness of user authorization processes.

Latest Patents

Weijun Yu holds a patent titled "Hybrid-type authorization policy evaluation." This patent discloses various system, method, and computer program product embodiments for hybrid-type authorization. An embodiment operates by parsing a policy expression into an abstract syntax tree (AST) and receiving user attribute data from a local server. The embodiment further evaluates the user attribute data by traversing the AST and determining whether the result is indeterminate. In cases where the result is indeterminate, the embodiment sends a request to a remote server for additional user attribute data. Upon receiving this data, the embodiment re-traverses the AST to authorize the user based on the evaluated data, ultimately outputting an authorization result. This innovative approach streamlines the authorization process and enhances security measures.

Career Highlights

Weijun Yu is currently employed at SAP SE, where he continues to develop and refine his expertise in authorization technologies. His work at SAP SE allows him to collaborate with other talented professionals in the field, contributing to advancements in software solutions.

Collaborations

Some of Weijun Yu's coworkers include Kun Hu and Na Zhang, who also contribute to the innovative environment at SAP SE. Their collaborative efforts help drive the development of cutting-edge technologies in the industry.

Conclusion

Weijun Yu's contributions to hybrid-type authorization policies exemplify the importance of innovation in technology. His patent reflects a commitment to improving user authorization processes, showcasing his role as a significant inventor in the field.