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Amrita Bhattacharjee

4 accepted papers

2025

A Simple Yet Effective Method for Non-Refusing Context Relevant Fine-grained Safety Steering in LLMs

EMNLP 2025

Fine-tuning large language models (LLMs) to meet evolving safety policies is costly and impractical. Mechanistic interpretability enables inference-time control through latent activation steering, but its potential for precise, customizable safety adjustments remains underexplored. We propose SafeSt

2025

From Generation to Judgment: Opportunities and Challenges of LLM-as-a-judge

EMNLP 2025

Assessment and evaluation have long been critical challenges in artificial intelligence (AI) and natural language processing (NLP). Traditional methods, usually matching-based or small model-based, often fall short in open-ended and dynamic scenarios. Recent advancements in Large Language Models (LL

2024

Large Language Models for Data Annotation and Synthesis: A Survey

EMNLP 2024main

Data annotation and synthesis generally refers to the labeling or generating of raw data with relevant information, which could be used for improving the efficacy of machine learning models. The process, however, is labor-intensive and costly. The emergence of advanced Large Language Models (LLMs),…

2022

Text Transformations in Contrastive Self-Supervised Learning: A Review

IJCAI 2022poster

Contrastive self-supervised learning has become a prominent technique in representation learning. The main step in these methods is to contrast semantically similar and dissimilar pairs of samples. However, in the domain of Natural Language Processing (NLP), the augmentation methods used in creating…

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