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Author

Rounak Sharma

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Review Aug 2026

POOL: Propagated Uncertainty Over Lookalikes

This work instantiate this framework with p, a hybrid estimator that combines verbal confidence with spectral answer diversity computed from the negative von Neumann entropy of sampled answer embeddings, and achieves higher average AUROC than verbal confidence and sampling-based uncertainty while using half as many samples as Vn10 sampling.

Rounak Sharma, Ananya B. Sai, Soumyabrata Pal · 0 citations
Book Open access Jul 2026

Tokens to Types: Context Editing with Selective Entity Abstraction for Grounded Generation

This framework proposes a context-editing framework that performs selective abstraction over entities that appear in both the context and the question, establishing symbolic abstraction as a highly cost-efficient solution for ensuring context fidelity in LLMs.

Rounak Sharma, Debabrata Mahapatra, S. Saini · 0 citations

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