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This IEEE paper presents an AI-powered knowledge graph platform that connects SQL errors to conceptual gaps in database courses, automatically extracting course concepts and linking them to student submissions to provide personalized diagnostic feedback.
This paper presents PolyInterview, an LLM-based platform that conducts immersive mock interviews with a lip-synced digital human, providing comprehensive multimodal assessment of response content, vocal delivery, and non-verbal behavior. The system generates role-tailored questions and evaluates candidates using 13 behavioral features linked to KSA and STAR frameworks.