Logical Expression Tutoring System for Controlling Smart Devices in Multi-User Environments

Incorporating robust authentication and authorization mechanisms is important to reduce the risk of credential information leakage in an application such as Internet shopping when a smart device is shared by multiple people. We developed a system that allows smart device administrators to customize the application by registering access control conditions expressed as logical expressions into our system. However, the administrator need logical thinking abilities when creating logical expressions, which is not easy to describe the logical expressions to ensure they work as intended for the specific processing flow because they are not programmers. This paper proposes a tutoring system that helps to express logically using a chatbot, which contributes to enhancement and flexibility for smart device security.