activity
20222026
most citedYouTube, The Great Radicalizer? Auditing and Mitigating Ideological Biases in YouTube Recommendations

19 citations · 37 across the 16 of their papers we have counts for

collaborators

17 papers

cs.CR2026

A Systematic Evaluation of Traditional Privacy Policy Analysis Tools Against LLMs

Madhav Aryal, Sudipa Saha, Sunil Manandhar +2

The advent of LLMs has significantly changed the research on privacy policy and data compliance analysis by enabling tasks that previously required specialized, domain-specific too…

cs.LG2026

Weight-Adjusted Gradients Reveal Parameter Importance and Failure Modes in LLMs

Shrestha Datta, Hongfu Liu, Anshuman Chhabra

Understanding which parameters are influential in Large Language Models (LLMs) is central to improving their efficiency, reliability, and interpretability. We introduce Weight-Adju…

cs.AI2025★ 11 cited

Agentic AI Security: Threats, Defenses, Evaluation, and Open Challenges

Anshuman Chhabra, Shrestha Datta, Shahriar Kabir Nahin +1

Agentic AI systems powered by large language models (LLMs) and endowed with planning, tool use, memory, and autonomy, are emerging as powerful, flexible platforms for automation. T…

cs.CL2025

Less Diverse, Less Safe: The Indirect But Pervasive Risk of Test-Time Scaling in Large Language Models

Shahriar Kabir Nahin, Hadi Askari, Muhao Chen +1

Test-Time Scaling (TTS) improves LLM reasoning by exploring multiple candidate responses and then operating over this set to find the best output. A tacit premise behind TTS is tha…

cs.LG2025

What Is The Performance Ceiling of My Classifier? Utilizing Category-Wise Influence Functions for Pareto Frontier Analysis

Shahriar Kabir Nahin, Wenxiao Xiao, Joshua Liu +2

Data-centric learning seeks to improve model performance from the perspective of data quality, and has been drawing increasing attention in the machine learning community. Among it…

cs.CL2025

LayerIF: Estimating Layer Quality for Large Language Models using Influence Functions

Hadi Askari, Shivanshu Gupta, Fei Wang +2

Pretrained Large Language Models (LLMs) achieve strong performance across a wide range of tasks, yet exhibit substantial variability in the various layers' training quality with re…

cs.CL2025

"Whose Side Are You On?" Estimating Ideology of Political and News Content Using Large Language Models and Few-shot Demonstration Selection

Muhammad Haroon, Magdalena Wojcieszak, Anshuman Chhabra

The rapid growth of social media platforms has led to concerns about radicalization, filter bubbles, and content bias. Existing approaches to classifying ideology are limited in th…

cs.CL2025

Re-ranking Using Large Language Models for Mitigating Exposure to Harmful Content on Social Media Platforms

Rajvardhan Oak, Muhammad Haroon, Claire Jo +2

Social media platforms utilize Machine Learning (ML) and Artificial Intelligence (AI) powered recommendation algorithms to maximize user engagement, which can result in inadvertent…

cs.CL2025★ 1 cited

Towards Safer Social Media Platforms: Scalable and Performant Few-Shot Harmful Content Moderation Using Large Language Models

Akash Bonagiri, Lucen Li, Rajvardhan Oak +3

The prevalence of harmful content on social media platforms poses significant risks to users and society, necessitating more effective and scalable content moderation strategies. C…

cs.LG2025

Unraveling Indirect In-Context Learning Using Influence Functions

Hadi Askari, Shivanshu Gupta, Terry Tong +3

In this work, we introduce a novel paradigm for generalized In-Context Learning (ICL), termed Indirect In-Context Learning. In Indirect ICL, we explore demonstration selection stra…

cs.CL2024★ 1 cited

Assessing LLMs for Zero-shot Abstractive Summarization Through the Lens of Relevance Paraphrasing

Hadi Askari, Anshuman Chhabra, Muhao Chen +1

Large Language Models (LLMs) have achieved state-of-the-art performance at zero-shot generation of abstractive summaries for given articles. However, little is known about the robu…

cs.LG2024

Outlier Gradient Analysis: Efficiently Identifying Detrimental Training Samples for Deep Learning Models

Anshuman Chhabra, Bo Li, Jian Chen +2

A core data-centric learning challenge is the identification of training samples that are detrimental to model performance. Influence functions serve as a prominent tool for this t…

cs.SI2024

Incentivizing News Consumption on Social Media Platforms Using Large Language Models and Realistic Bot Accounts

Hadi Askari, Anshuman Chhabra, Bernhard Clemm von Hohenberg +2

Polarization, declining trust, and wavering support for democratic norms are pressing threats to U.S. democracy. Exposure to verified and quality news may lower individual suscepti…

cs.CL2024★ 1 cited

Revisiting Zero-Shot Abstractive Summarization in the Era of Large Language Models from the Perspective of Position Bias

Anshuman Chhabra, Hadi Askari, Prasant Mohapatra

We characterize and study zero-shot abstractive summarization in Large Language Models (LLMs) by measuring position bias, which we propose as a general formulation of the more rest…

cs.LG2022★ 2 cited

On the Robustness of Deep Clustering Models: Adversarial Attacks and Defenses

Anshuman Chhabra, Ashwin Sekhari, Prasant Mohapatra

Clustering models constitute a class of unsupervised machine learning methods which are used in a number of application pipelines, and play a vital role in modern data science. Wit…

cs.LG2022★ 2 cited

Robust Fair Clustering: A Novel Fairness Attack and Defense Framework

Anshuman Chhabra, Peizhao Li, Prasant Mohapatra +1

Clustering algorithms are widely used in many societal resource allocation applications, such as loan approvals and candidate recruitment, among others, and hence, biased or unfair…

cs.CY2022★ 19 cited

YouTube, The Great Radicalizer? Auditing and Mitigating Ideological Biases in YouTube Recommendations

Muhammad Haroon, Anshuman Chhabra, Xin Liu +3

Recommendations algorithms of social media platforms are often criticized for placing users in "rabbit holes" of (increasingly) ideologically biased content. Despite these concerns…