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Author

Akshaya Kumar

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Open access Oct 2026

Knowledge Graph-Enhanced Student Risk Prediction in Educational Data Mining

Early identification of academically at-risk students in higher education enables targeted pedagogical interventions and attrition mitigation. While traditional Educational Data Mining (EDM) techniques leverage temporal clickstream data and demographic features from Learning Management Systems (LMS), interaction logs a...

Akshaya Kumar, Neha Gulshan, Varun Amrit · 0 citations
Open access Oct 2026

Agreement by Construction: A Deterministic Filter Inflates Inter-Judge Reliability in LLM-Judge Evaluation

Aim: This study investigates how a deterministic pre-judgment rule, which assigns a verdict before LLM judges evaluate a response, affects estimates of inter-rater reliability, with particular attention to Cohen’s κ. Methods: Using 600 paired judgments from the LoCoMo benchmark, we compared Cohen’s κ between two LLM j...

Akshaya Kumar · 0 citations

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