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Author

Ujval Irrinki

2 papers indexed here

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Review Open access Aug 2026

A survey of reward hacking in agentic large language model systems

Large language models (LLMs) deployed as agentic systems capable of tool use, code execution, file manipulation, and multi-step planning inherit and amplify the classical reinforcement learning problem of reward hacking. This survey synthesizes how proxy-based alignment and evaluation failures manifest across modern LL...

Arun Morampudi, Ujval Irrinki, Rahul Grandhi et al. · 0 citations
#machine learning Preprint Sep 2026

Stable and Faithful Explanations for Knowledge Tracing

Knowledge tracing (KT) models predict student performance opaquely, limiting pedagogical action. This study contributes a validation protocol testing predictive competitiveness (RQ1), explanation stability (RQ2) and retraining-based faithfulness (RQ3) together. Thirteen behavioral features across five pedagogical theme...

Praveena Padi, Arun Morampudi, Ujval Irrinki et al. · 0 citations

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