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Nischal Ashok Kumar

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#artificial intelligence Preprint Aug 2026

Not Worth Another Token: Marginal Value Estimation for Efficient Deep Research Agents

The results show that pruning effectiveness depends more on where pruning is applied than on the specific scoring rule: early pruning yields the largest end-to-end savings, while later pruning mainly refines the final synthesis context.

Harshitha Kolukuluru, Reshma Ashok, Kirat Arora et al. · 0 citations
Jul 2026

When Rubrics Change: Cross-Rubric Generalization for Critical Thinking Essay Scoring

Results show that trait-based intermediate structure and controlled supervision improve generalization to unseen rubrics, and increasing target-essay supervision improves performance.

Nischal Ashok Kumar, Payu Wittawatolarn, Sana Kang et al. · 0 citations

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