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Prasenjit Mitra

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#machine learning Preprint Sep 2026

The Effect of Quantization on Clinical Benchmarks: Accuracy and Safety Across Model Families

Quantization enables deployment of large language models on resource-constrained clinical edge devices, but its effect on clinical accuracy and safety remains understudied. We evaluate five 7-8B parameter models at FP16, GPTQ-INT8, and GPTQ-INT4 precision across five benchmarks: MedQA, MedMCQA, Med-HALT, a risk-stratif...

Leonard Twagirayezu, Prasenjit Mitra · 0 citations

HumorGen: Cognitive Synergy for Humor Generation in Large Language Models via Persona-Based Distillation

The Cognitive Synergy Framework is introduced, a methodology for generating highquality humor data inspired by psychological theories of humor, and model variants significantly outperform larger instruction-tuned baselines and achieve top-tier open-weight performance while remaining competitive with frontier proprietar...

E. Ajayi, Prasenjit Mitra · 1 citation
Book Open access Jul 2026

The Alignment Gap: A Benchmark Demonstrating the Lack of Cross-Lingual Mapping in Dialect-Specialized Language Models - The Case of Ehugbo

This work introduces the first information retrieval benchmark resource for Ehugbo, a high-quality parallel multimodal corpus constructed from a high-quality parallel multimodal corpus that reveals the ''Alignment Gap'', where African-centric foundation models that excel at linguistic familiarity with Igbo achieve <5%...

Ukachi Agnes Eze-Mbey, V. Olufemi, A. Bahizire et al. · 0 citations
Book Open access Jul 2026

From Translation to Retrieval: Evaluating LLM-Based Information Retrieval for Hausa and Fongbe

A large LLM-capability gap between the two languages is confirmed, and data augmentation experiments across three encoder models show that LLM-generated text consistently hurts downstream NER tasks while producing mixed effects on POS tagging, motivating careful language-specific IR evaluation.

Mahounan Pericles Adjovi, Roald Eiselen, Prasenjit Mitra · 0 citations

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