← Search

Karan Gupta

4 accepted papers

2025

Assess and Prompt: A Generative RL Framework for Improving Engagement in Online Mental Health Communities

EMNLP 2025

Online Mental Health Communities (OMHCs) provide crucial peer and expert support, yet many posts remain unanswered due to missing support attributes that signal the need for help. We present a novel framework that identifies these gaps and prompts users to enrich their posts, thereby improving engag

2025

Generative or Discriminative? Revisiting Text Classification in the Era of Transformers

EMNLP 2025

*The comparison between discriminative and generative classifiers has intrigued researchers since [Efron (1975)’s](https://www.jstor.org/stable/2285453) seminal analysis of logistic regression versus discriminant analysis. While early theoretical work established that generative classifiers exhibit

Cited by 0SourcePDFScholar
2025

MVTamperBench: Evaluating Robustness of Vision-Language Models

ACL 2025finding

Multimodal Large Language Models (MLLMs), are recent advancement of Vision-Language Models (VLMs) that have driven major advances in video understanding. However, their vulnerability to adversarial tampering and manipulations remains underexplored. To address this gap, we introduce MVTamperBench, a…

2024

Exploring Ordinality in Text Classification: A Comparative Study of Explicit and Implicit Techniques

ACL 2024findings

Ordinal Classification (OC) is a widely encountered challenge in Natural Language Processing (NLP), with applications in various domains such as sentiment analysis, rating prediction, and more. Previous approaches to tackle OC have primarily focused on modifying existing or creating novel loss funct…