Search Results for author: Aman Chadha

Found 57 papers, 13 papers with code

Cross-Platform Hate Speech Detection with Weakly Supervised Causal Disentanglement

no code implementations17 Apr 2024 Paras Sheth, Tharindu Kumarage, Raha Moraffah, Aman Chadha, Huan Liu

Content moderation faces a challenging task as social media's ability to spread hate speech contrasts with its role in promoting global connectivity.

Disentanglement Hate Speech Detection

Refining Text-to-Image Generation: Towards Accurate Training-Free Glyph-Enhanced Image Generation

no code implementations25 Mar 2024 Sanyam Lakhanpal, Shivang Chopra, Vinija Jain, Aman Chadha, Man Luo

We introduce a benchmark, LenCom-Eval, specifically designed for testing models' capability in generating images with Lengthy and Complex visual text.

Optical Character Recognition (OCR) Text-to-Image Generation

ClaimVer: Explainable Claim-Level Verification and Evidence Attribution of Text Through Knowledge Graphs

no code implementations12 Mar 2024 Preetam Prabhu Srikar Dammu, Himanshu Naidu, Mouly Dewan, Youngmin Kim, Tanya Roosta, Aman Chadha, Chirag Shah

In the midst of widespread misinformation and disinformation through social media and the proliferation of AI-generated texts, it has become increasingly difficult for people to validate and trust information they encounter.

Fact Checking Knowledge Graphs +1

PHAnToM: Personality Has An Effect on Theory-of-Mind Reasoning in Large Language Models

no code implementations4 Mar 2024 Fiona Anting Tan, Gerard Christopher Yeo, Fanyou Wu, Weijie Xu, Vinija Jain, Aman Chadha, Kokil Jaidka, Yang Liu, See-Kiong Ng

Drawing inspiration from psychological research on the links between certain personality traits and Theory-of-Mind (ToM) reasoning, and from prompt engineering research on the hyper-sensitivity of prompts in affecting LLMs capabilities, this study investigates how inducing personalities in LLMs using prompts affects their ToM reasoning capabilities.

Prompt Engineering

Breaking Down the Defenses: A Comparative Survey of Attacks on Large Language Models

no code implementations3 Mar 2024 Arijit Ghosh Chowdhury, Md Mofijul Islam, Faysal Hossain Shezan, Vaibhav Kumar, Vinija Jain, Aman Chadha

Large Language Models (LLMs) have become a cornerstone in the field of Natural Language Processing (NLP), offering transformative capabilities in understanding and generating human-like text.

Data Poisoning

Cause and Effect: Can Large Language Models Truly Understand Causality?

no code implementations28 Feb 2024 Swagata Ashwani, Kshiteesh Hegde, Nishith Reddy Mannuru, Mayank Jindal, Dushyant Singh Sengar, Krishna Chaitanya Rao Kathala, Dishant Banga, Vinija Jain, Aman Chadha

The knowledge from ConceptNet enhances the performance of multiple causal reasoning tasks such as causal discovery, causal identification and counterfactual reasoning.

Causal Discovery Causal Identification +2

Born With a Silver Spoon? Investigating Socioeconomic Bias in Large Language Models

no code implementations16 Feb 2024 Smriti Singh, Shuvam Keshari, Vinija Jain, Aman Chadha

Socioeconomic bias in society exacerbates disparities, influencing access to opportunities and resources based on individuals' economic and social backgrounds.

AuditLLM: A Tool for Auditing Large Language Models Using Multiprobe Approach

no code implementations14 Feb 2024 Maryam Amirizaniani, Tanya Roosta, Aman Chadha, Chirag Shah

Probing LLMs with varied iterations of a single question could reveal potential inconsistencies in their knowledge or functionality.

Exploring the Impact of Large Language Models on Recommender Systems: An Extensive Review

no code implementations11 Feb 2024 Arpita Vats, Vinija Jain, Rahul Raja, Aman Chadha

The paper underscores the significance of Large Language Models (LLMs) in reshaping recommender systems, attributing their value to unique reasoning abilities absent in traditional recommenders.

Decision Making Recommendation Systems

Source-Free Domain Adaptation with Diffusion-Guided Source Data Generation

no code implementations7 Feb 2024 Shivang Chopra, Suraj Kothawade, Houda Aynaou, Aman Chadha

Our proposed DM-SFDA method involves fine-tuning a pre-trained text-to-image diffusion model to generate source domain images using features from the target images to guide the diffusion process.

Source-Free Domain Adaptation Unsupervised Domain Adaptation

A Systematic Survey of Prompt Engineering in Large Language Models: Techniques and Applications

no code implementations5 Feb 2024 Pranab Sahoo, Ayush Kumar Singh, Sriparna Saha, Vinija Jain, Samrat Mondal, Aman Chadha

This approach leverages task-specific instructions, known as prompts, to enhance model efficacy without modifying the core model parameters.

Prompt Engineering Question Answering

Gaussian Adaptive Attention is All You Need: Robust Contextual Representations Across Multiple Modalities

1 code implementation20 Jan 2024 Georgios Ioannides, Aman Chadha, Aaron Elkins

We propose the Multi-Head Gaussian Adaptive Attention Mechanism (GAAM), a novel probabilistic attention framework, and the Gaussian Adaptive Transformer (GAT), designed to enhance information aggregation across multiple modalities, including Speech, Text and Vision.

Emotion Recognition Image Classification +2

The What, Why, and How of Context Length Extension Techniques in Large Language Models -- A Detailed Survey

no code implementations15 Jan 2024 Saurav Pawar, S. M Towhidul Islam Tonmoy, S M Mehedi Zaman, Vinija Jain, Aman Chadha, Amitava Das

The advent of Large Language Models (LLMs) represents a notable breakthrough in Natural Language Processing (NLP), contributing to substantial progress in both text comprehension and generation.

Reading Comprehension

A Comprehensive Survey of Hallucination Mitigation Techniques in Large Language Models

1 code implementation2 Jan 2024 S. M Towhidul Islam Tonmoy, S M Mehedi Zaman, Vinija Jain, Anku Rani, Vipula Rawte, Aman Chadha, Amitava Das

As Large Language Models (LLMs) continue to advance in their ability to write human-like text, a key challenge remains around their tendency to hallucinate generating content that appears factual but is ungrounded.

Hallucination Retrieval +1

CLIPSyntel: CLIP and LLM Synergy for Multimodal Question Summarization in Healthcare

no code implementations16 Dec 2023 Akash Ghosh, Arkadeep Acharya, Raghav Jain, Sriparna Saha, Aman Chadha, Setu Sinha

This multimodal approach not only enhances the decision-making process in healthcare but also fosters a more nuanced understanding of patient queries, laying the groundwork for future research in personalized and responsive medical care

Decision Making

Dynamic Corrective Self-Distillation for Better Fine-Tuning of Pretrained Models

no code implementations12 Dec 2023 Ibtihel Amara, Vinija Jain, Aman Chadha

We tackle the challenging issue of aggressive fine-tuning encountered during the process of transfer learning of pre-trained language models (PLMs) with limited labeled downstream data.

Transfer Learning

SEPSIS: I Can Catch Your Lies -- A New Paradigm for Deception Detection

no code implementations1 Dec 2023 Anku Rani, Dwip Dalal, Shreya Gautam, Pankaj Gupta, Vinija Jain, Aman Chadha, Amit Sheth, Amitava Das

This research explores the problem of deception through the lens of psychology, employing a framework that categorizes deception into three forms: lies of omission, lies of commission, and lies of influence.

Deception Detection Multi-Task Learning

On the Relationship between Sentence Analogy Identification and Sentence Structure Encoding in Large Language Models

1 code implementation11 Oct 2023 Thilini Wijesiriwardene, Ruwan Wickramarachchi, Aishwarya Naresh Reganti, Vinija Jain, Aman Chadha, Amit Sheth, Amitava Das

Through our analysis, we find that LLMs' ability to identify sentence analogies is positively correlated with their ability to encode syntactic and semantic structures of sentences.

Language Modelling Sentence

Are Personalized Stochastic Parrots More Dangerous? Evaluating Persona Biases in Dialogue Systems

1 code implementation8 Oct 2023 Yixin Wan, Jieyu Zhao, Aman Chadha, Nanyun Peng, Kai-Wei Chang

Recent advancements in Large Language Models empower them to follow freeform instructions, including imitating generic or specific demographic personas in conversations.

Benchmarking

The Troubling Emergence of Hallucination in Large Language Models -- An Extensive Definition, Quantification, and Prescriptive Remediations

no code implementations8 Oct 2023 Vipula Rawte, Swagata Chakraborty, Agnibh Pathak, Anubhav Sarkar, S. M Towhidul Islam Tonmoy, Aman Chadha, Amit P. Sheth, Amitava Das

Finally, to establish a method for quantifying and to offer a comparative spectrum that allows us to evaluate and rank LLMs based on their vulnerability to producing hallucinations, we propose Hallucination Vulnerability Index (HVI).

Hallucination

Counter Turing Test CT^2: AI-Generated Text Detection is Not as Easy as You May Think -- Introducing AI Detectability Index

no code implementations8 Oct 2023 Megha Chakraborty, S. M Towhidul Islam Tonmoy, S M Mehedi Zaman, Krish Sharma, Niyar R Barman, Chandan Gupta, Shreya Gautam, Tanay Kumar, Vinija Jain, Aman Chadha, Amit P. Sheth, Amitava Das

Given this cynosural spotlight on generative AI, AI-generated text detection (AGTD) has emerged as a topic that has already received immediate attention in research, with some initial methods having been proposed, soon followed by emergence of techniques to bypass detection.

Text Detection

Transcending Domains through Text-to-Image Diffusion: A Source-Free Approach to Domain Adaptation

no code implementations2 Oct 2023 Shivang Chopra, Suraj Kothawade, Houda Aynaou, Aman Chadha

Domain Adaptation (DA) is a method for enhancing a model's performance on a target domain with inadequate annotated data by applying the information the model has acquired from a related source domain with sufficient labeled data.

Source-Free Domain Adaptation

Can LLMs Augment Low-Resource Reading Comprehension Datasets? Opportunities and Challenges

no code implementations21 Sep 2023 Vinay Samuel, Houda Aynaou, Arijit Ghosh Chowdhury, Karthik Venkat Ramanan, Aman Chadha

Large Language Models (LLMs) have demonstrated impressive zero shot performance on a wide range of NLP tasks, demonstrating the ability to reason and apply commonsense.

Reading Comprehension

Generative Data Augmentation using LLMs improves Distributional Robustness in Question Answering

1 code implementation3 Sep 2023 Arijit Ghosh Chowdhury, Aman Chadha

Robustness in Natural Language Processing continues to be a pertinent issue, where state of the art models under-perform under naturally shifted distributions.

Data Augmentation Domain Generalization +2

RESTORE: Graph Embedding Assessment Through Reconstruction

no code implementations28 Aug 2023 Hong Yung Yip, Chidaksh Ravuru, Neelabha Banerjee, Shashwat Jha, Amit Sheth, Aman Chadha, Amitava Das

We analyze their effectiveness in preserving the (a) topological structure of node-level graph reconstruction with an increasing number of hops and (b) semantic information on various word semantic and analogy tests.

Graph Embedding Graph Reconstruction +1

Artificial Intelligence in Career Counseling: A Test Case with ResumAI

no code implementations28 Aug 2023 Muhammad Rahman, Sachi Figliolini, Joyce Kim, Eivy Cedeno, Charles Kleier, Chirag Shah, Aman Chadha

It is difficult to find good resources or schedule an appointment with a career counselor to help with editing a resume for a specific role.

Breaking Language Barriers: A Question Answering Dataset for Hindi and Marathi

no code implementations19 Aug 2023 Maithili Sabane, Onkar Litake, Aman Chadha

The recent advances in deep-learning have led to the development of highly sophisticated systems with an unquenchable appetite for data.

Question Answering

Causality Guided Disentanglement for Cross-Platform Hate Speech Detection

1 code implementation3 Aug 2023 Paras Sheth, Tharindu Kumarage, Raha Moraffah, Aman Chadha, Huan Liu

By disentangling input into platform-dependent features (useful for predicting hate targets) and platform-independent features (used to predict the presence of hate), we learn invariant representations resistant to distribution shifts.

Disentanglement Hate Speech Detection

Seeing the Pose in the Pixels: Learning Pose-Aware Representations in Vision Transformers

1 code implementation15 Jun 2023 Dominick Reilly, Aman Chadha, Srijan Das

Both PAAT and PAAB surpass their respective backbone Transformers by up to 9. 8% in real-world action recognition and 21. 8% in multi-view robotic video alignment.

Action Classification Action Recognition +4

PEACE: Cross-Platform Hate Speech Detection- A Causality-guided Framework

1 code implementation15 Jun 2023 Paras Sheth, Tharindu Kumarage, Raha Moraffah, Aman Chadha, Huan Liu

Hate speech detection refers to the task of detecting hateful content that aims at denigrating an individual or a group based on their religion, gender, sexual orientation, or other characteristics.

Hate Speech Detection

FACTIFY3M: A Benchmark for Multimodal Fact Verification with Explainability through 5W Question-Answering

no code implementations22 May 2023 Megha Chakraborty, Khushbu Pahwa, Anku Rani, Shreyas Chatterjee, Dwip Dalal, Harshit Dave, Ritvik G, Preethi Gurumurthy, Adarsh Mahor, Samahriti Mukherjee, Aditya Pakala, Ishan Paul, Janvita Reddy, Arghya Sarkar, Kinjal Sensharma, Aman Chadha, Amit P. Sheth, Amitava Das

To address this gap, we introduce FACTIFY 3M, a dataset of 3 million samples that pushes the boundaries of the domain of fact verification via a multimodal fake news dataset, in addition to offering explainability through the concept of 5W question-answering.

Fact Verification Question Answering

ANALOGICAL -- A Novel Benchmark for Long Text Analogy Evaluation in Large Language Models

no code implementations8 May 2023 Thilini Wijesiriwardene, Ruwan Wickramarachchi, Bimal G. Gajera, Shreeyash Mukul Gowaikar, Chandan Gupta, Aman Chadha, Aishwarya Naresh Reganti, Amit Sheth, Amitava Das

Over the past decade, analogies, in the form of word-level analogies, have played a significant role as an intrinsic measure of evaluating the quality of word embedding methods such as word2vec.

Negation Sentence

FACTIFY-5WQA: 5W Aspect-based Fact Verification through Question Answering

no code implementations7 May 2023 Anku Rani, S. M Towhidul Islam Tonmoy, Dwip Dalal, Shreya Gautam, Megha Chakraborty, Aman Chadha, Amit Sheth, Amitava Das

Finally, we report a baseline QA system to automatically locate those answers from evidence documents, which can serve as a baseline for future research in the field.

Fact Checking Fact Verification +3

Factify 2: A Multimodal Fake News and Satire News Dataset

1 code implementation8 Apr 2023 S Suryavardan, Shreyash Mishra, Parth Patwa, Megha Chakraborty, Anku Rani, Aishwarya Reganti, Aman Chadha, Amitava Das, Amit Sheth, Manoj Chinnakotla, Asif Ekbal, Srijan Kumar

In this paper, we provide a multi-modal fact-checking dataset called FACTIFY 2, improving Factify 1 by using new data sources and adding satire articles.

Claim Verification Fact Checking +1

Few-shot Multimodal Multitask Multilingual Learning

no code implementations19 Feb 2023 Aman Chadha, Vinija Jain

While few-shot learning as a transfer learning paradigm has gained significant traction for scenarios with limited data, it has primarily been explored in the context of building unimodal and unilingual models.

Few-Shot Learning In-Context Learning +10

Facial Expression Recognition using Squeeze and Excitation-powered Swin Transformers

no code implementations26 Jan 2023 Arpita Vats, Aman Chadha

The ability to recognize and interpret facial emotions is a critical component of human communication, as it allows individuals to understand and respond to emotions conveyed through facial expressions and vocal tones.

Facial Emotion Recognition Facial Expression Recognition

iReason: Multimodal Commonsense Reasoning using Videos and Natural Language with Interpretability

no code implementations25 Jun 2021 Aman Chadha, Vinija Jain

We demonstrate the effectiveness of iReason using a two-pronged comparative analysis with language representation learning models (BERT, GPT-2) as well as current state-of-the-art multimodal causality models.

Bias Detection Question Answering +4

iPerceive: Applying Common-Sense Reasoning to Multi-Modal Dense Video Captioning and Video Question Answering

no code implementations16 Nov 2020 Aman Chadha, Gurneet Arora, Navpreet Kaloty

Most prior art in visual understanding relies solely on analyzing the "what" (e. g., event recognition) and "where" (e. g., event localization), which in some cases, fails to describe correct contextual relationships between events or leads to incorrect underlying visual attention.

Common Sense Reasoning Dense Video Captioning +3

iSeeBetter: Spatio-Temporal Video Super Resolution using Recurrent-Generative Back-Projection Networks

1 code implementation Springer Journal of Computational Visual Media (CVM), Tsinghua University Press 2020 Aman Chadha, John Britto, M. Mani Roja

However, generative adversarial networks (GANs) offer a competitive advantage by being able to mitigate the issue of a lack of finer texture details, usually seen with CNNs when super-resolving at large upscaling factors.

Generative Adversarial Network Image Super-Resolution +2

iSeeBetter: Spatio-temporal video super-resolution using recurrent generative back-projection networks

1 code implementation13 Jun 2020 Aman Chadha, John Britto, M. Mani Roja

However, generative adversarial networks (GANs) offer a competitive advantage by being able to mitigate the issue of a lack of finer texture details, usually seen with CNNs when super-resolving at large upscaling factors.

Generative Adversarial Network Image Super-Resolution +2

Comparative Study and Optimization of Feature-Extraction Techniques for Content based Image Retrieval

no code implementations30 Aug 2012 Aman Chadha, Sushmit Mallik, Ravdeep Johar

The aim of a Content-Based Image Retrieval (CBIR) system, also known as Query by Image Content (QBIC), is to help users to retrieve relevant images based on their contents.

Content-Based Image Retrieval Image Cropping +1

A robust, low-cost approach to Face Detection and Face Recognition

no code implementations4 Nov 2011 Divya Jyoti, Aman Chadha, Pallavi Vaidya, M. Mani Roja

The proposed Face Detection and Recognition system using Discrete Wavelet Transform (DWT) accepts face frames as input from a database containing images from low cost devices such as VGA cameras, webcams or even CCTV's, where image quality is inferior.

Face Detection Face Recognition

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