Search Results for author: Kamalika Das

Found 8 papers, 3 papers with code

SPUQ: Perturbation-Based Uncertainty Quantification for Large Language Models

no code implementations4 Mar 2024 Xiang Gao, Jiaxin Zhang, Lalla Mouatadid, Kamalika Das

Motivated by this gap, we introduce a novel UQ method, sampling with perturbation for UQ (SPUQ), designed to tackle both aleatoric and epistemic uncertainties.

Text Generation Uncertainty Quantification

Discriminant Distance-Aware Representation on Deterministic Uncertainty Quantification Methods

no code implementations20 Feb 2024 Jiaxin Zhang, Kamalika Das, Sricharan Kumar

Uncertainty estimation is a crucial aspect of deploying dependable deep learning models in safety-critical systems.

Uncertainty Quantification

PhaseEvo: Towards Unified In-Context Prompt Optimization for Large Language Models

no code implementations17 Feb 2024 Wendi Cui, Jiaxin Zhang, Zhuohang Li, Hao Sun, Damien Lopez, Kamalika Das, Bradley Malin, Sricharan Kumar

Crafting an ideal prompt for Large Language Models (LLMs) is a challenging task that demands significant resources and expert human input.

Computational Efficiency In-Context Learning

Customizing Language Model Responses with Contrastive In-Context Learning

no code implementations30 Jan 2024 Xiang Gao, Kamalika Das

However, it can be challenging to align LLMs with our intent, particularly when we want to generate content that is preferable over others or when we want the LLM to respond in a certain style or tone that is hard to describe.

In-Context Learning Language Modelling

DCR-Consistency: Divide-Conquer-Reasoning for Consistency Evaluation and Improvement of Large Language Models

1 code implementation4 Jan 2024 Wendi Cui, Jiaxin Zhang, Zhuohang Li, Lopez Damien, Kamalika Das, Bradley Malin, Sricharan Kumar

Evaluating the quality and variability of text generated by Large Language Models (LLMs) poses a significant, yet unresolved research challenge.

Hallucination Sentence

DECDM: Document Enhancement using Cycle-Consistent Diffusion Models

no code implementations16 Nov 2023 Jiaxin Zhang, Joy Rimchala, Lalla Mouatadid, Kamalika Das, Sricharan Kumar

The performance of optical character recognition (OCR) heavily relies on document image quality, which is crucial for automatic document processing and document intelligence.

Data Augmentation Denoising +5

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