Nishant Vishwamitra

43 papers A* 9B 2C 7Journal 17Unranked 8
YearRankTypeTitle / Venue / Authors
2026 A* conf
Beyond Age-Based Restrictions: Rethinking Children's Online Safety Through Comparing Parent-Child Perspectives of Risks in User-Generated Content Games.
CHI
Ruchi Panchanadikar, Yang Hu, Keyan Guo, Amelia L. Hall, Hongxin Hu, Nishant Vishwamitra, Guo Freeman
2025 J jnl
CAMOUFLAGE: Exploiting Misinformation Detection Systems Through LLM-driven Adversarial Claim Transformation.
CoRR
Mazal Bethany, Nishant Vishwamitra, Cho-Yu Jason Chiang, Peyman Najafirad
2025 — conf
Introduction to the Minitrack on ICT and Criminal Justice.
HICSS
Kim-Kwang Raymond Choo, Nishant Vishwamitra, Daniel A. Pienta
2025 J jnl
Lateral Phishing With Large Language Models: A Large Organization Comparative Study.
IEEE Access
Mazal Bethany, Athanasios Galiopoulos, Emet Bethany, Mohammad Bahrami Karkevandi, Nicole Beebe, Nishant Vishwamitra, Peyman Najafirad
2025 — conf
RASTeR: Robust, Agentic, and Structured Temporal Reasoning.
IJCNLP-AACL (long papers)
Daniel Schumacher, Fatemeh Haji, Tara Grey, Niharika Bandlamudi, Nupoor Karnik, Gagana Uday Kumar, Cho-Yu Jason Chiang, Peyman Najafirad, Nishant Vishwamitra, Anthony Rios
2024 J jnl
AI-Cybersecurity Education Through Designing AI-based Cyberharassment Detection Lab.
CoRR
Ebuka Okpala, Nishant Vishwamitra, Keyan Guo, Song Liao, Long Cheng, Hongxin Hu, Yongkai Wu, Xiaohong Yuan, Jeannette Wade, Sajad Khorsandroo
2024 J jnl
An Investigation of Large Language Models for Real-World Hate Speech Detection.
CoRR
Keyan Guo, Alexander Hu, Jaden Mu, Ziheng Shi, Ziming Zhao, Nishant Vishwamitra, Hongxin Hu
2024 C conf
Automating Information Categorization using LLMs in Crisis Mapping Platforms: An Examination of "Requests for Help" during the 2010 Haiti Earthquake.
ICIS
Hrishitva Patel, Rohit Valecha, Nishant Vishwamitra, H. Raghav Rao
2024 J jnl
Can Reinforcement Learning Unlock the Hidden Dangers in Aligned Large Language Models?
CoRR
Mohammad Bahrami Karkevandi, Nishant Vishwamitra, Peyman Najafirad
2024 J jnl
Context Matters: An Empirical Study of the Impact of Contextual Information in Temporal Question Answering Systems.
CoRR
Daniel Schumacher, Fatemeh Haji, Tara Grey, Niharika Bandlamudi, Nupoor Karnik, Gagana Uday Kumar, Jason Cho-Yu Chiang, Paul Rad, Nishant Vishwamitra, Anthony Rios
2024 A* conf
Deciphering Textual Authenticity: A Generalized Strategy through the Lens of Large Language Semantics for Detecting Human vs. Machine-Generated Text.
USENIX Security Symposium
Mazal Bethany, Brandon Wherry, Emet Bethany, Nishant Vishwamitra, Anthony Rios, Peyman Najafirad
2024 J jnl
Deciphering Textual Authenticity: A Generalized Strategy through the Lens of Large Language Semantics for Detecting Human vs. Machine-Generated Text.
CoRR
Mazal Bethany, Brandon Wherry, Emet Bethany, Nishant Vishwamitra, Peyman Najafirad
2024 C conf
Detecting Cyberbullying in Visual Content: A Large Vision-Language Model Approach.
ICMLA
Jaden Mu, David Cong, Helen Qin, Ishan Ajay, Keyan Guo, Nishant Vishwamitra, Hongxin Hu
2024 J jnl
Do Crowds Validate False Data? Systematic Distortion and Affective Polarization.
MIS Q.
Daniel A. Pienta, Sriram Somanchi, Nishant Vishwamitra, Nicholas Berente, Jason Bennett Thatcher
2024 J jnl
Enhancing Event Reasoning in Large Language Models through Instruction Fine-Tuning with Semantic Causal Graphs.
CoRR
Mazal Bethany, Emet Bethany, Brandon Wherry, Jason Cho-Yu Chiang, Nishant Vishwamitra, Anthony Rios, Peyman Najafirad
2024 A* conf
Image Safeguarding: Reasoning with Conditional Vision Language Model and Obfuscating Unsafe Content Counterfactually.
AAAI
Mazal Bethany, Brandon Wherry, Nishant Vishwamitra, Peyman Najafirad
2024 J jnl
Image Safeguarding: Reasoning with Conditional Vision Language Model and Obfuscating Unsafe Content Counterfactually.
CoRR
Mazal Bethany, Brandon Wherry, Nishant Vishwamitra, Peyman Najafirad
2024 J jnl
Large Language Model Lateral Spear Phishing: A Comparative Study in Large-Scale Organizational Settings.
CoRR
Mazal Bethany, Athanasios Galiopoulos, Emet Bethany, Mohammad Bahrami Karkevandi, Nishant Vishwamitra, Peyman Najafirad
2024 — conf
Leveraging Secure Social Media Crowdsourcing for Gathering Firsthand Account in Conflict Zones.
ASONAM (2)
Abanisenioluwa Orojo, Pranish Bhagat, John Wilburn, Michael J. Donahoo, Nishant Vishwamitra
2024 A* conf
Moderating Illicit Online Image Promotion for Unsafe User Generated Content Games Using Large Vision-Language Models.
USENIX Security Symposium
Keyan Guo, Ayush Utkarsh, Wenbo Ding, Isabelle Ondracek, Ziming Zhao, Guo Freeman, Nishant Vishwamitra, Hongxin Hu
2024 J jnl
Moderating Illicit Online Image Promotion for Unsafe User-Generated Content Games Using Large Vision-Language Models.
CoRR
Keyan Guo, Ayush Utkarsh, Wenbo Ding, Isabelle Ondracek, Ziming Zhao, Guo Freeman, Nishant Vishwamitra, Hongxin Hu
2024 A* conf
Moderating New Waves of Online Hate with Chain-of-Thought Reasoning in Large Language Models.
SP
Nishant Vishwamitra, Keyan Guo, Farhan Tajwar Romit, Isabelle Ondracek, Long Cheng, Ziming Zhao, Hongxin Hu
2024 B conf
Towards Understanding and Detecting File Types in Encrypted Files for Law Enforcement Applications.
TrustCom
Adam L. Hooker, Wenjian Huang, Shalini Kapali Kurumathur, Nishant Vishwamitra, Kim-Kwang Raymond Choo
2023 C conf
An Investigation of Large Language Models for Real-World Hate Speech Detection.
ICMLA
Keyan Guo, Alexander Hu, Jaden Mu, Ziheng Shi, Ziming Zhao, Nishant Vishwamitra, Hongxin Hu
2023 A* conf
Analysis of COVID-19 Offensive Tweets and Their Targets.
KDD
Song Liao, Ebuka Okpala, Long Cheng, Mingqi Li, Nishant Vishwamitra, Hongxin Hu, Feng Luo, Matthew Costello
2023 J jnl
COVID-19 and Sinophobia: Detecting Warning Signs of Radicalization on Twitter and Reddit.
Cyberpsychology Behav. Soc. Netw.
Matthew Costello, Nishant Vishwamitra, Song Liao, Long Cheng, Feng Luo, Hongxin Hu
2023 J jnl
Moderating New Waves of Online Hate with Chain-of-Thought Reasoning in Large Language Models.
CoRR
Nishant Vishwamitra, Keyan Guo, Farhan Tajwar Romit, Isabelle Ondracek, Long Cheng, Ziming Zhao, Hongxin Hu
2023 A* conf
Towards Targeted Obfuscation of Adversarial Unsafe Images using Reconstruction and Counterfactual Super Region Attribution Explainability.
USENIX Security Symposium
Mazal Bethany, Andrew Seong, Samuel Henrique Silva, Nicole Beebe, Nishant Vishwamitra, Peyman Najafirad
2023 B conf
Understanding and Analyzing COVID-19-related Online Hate Propagation Through Hateful Memes Shared on Twitter.
ASONAM
Nishant Vishwamitra, Keyan Guo, Song Liao, Jaden Mu, Zheyuan Ma, Long Cheng, Ziming Zhao, Hongxin Hu
2022 — conf
Towards Automated Content-based Photo Privacy Control in User-Centered Social Networks.
CODASPY
Nishant Vishwamitra, Yifang Li, Hongxin Hu, Kelly Caine, Long Cheng, Ziming Zhao, Gail-Joon Ahn
2021 A* conf
Towards Understanding and Detecting Cyberbullying in Real-world Images.
NDSS
Nishant Vishwamitra, Hongxin Hu, Feng Luo, Long Cheng
2021 J jnl
Understanding and Measuring Robustness of Multimodal Learning.
CoRR
Nishant Vishwamitra, Hongxin Hu, Ziming Zhao, Long Cheng, Feng Luo
2020 C conf
On Analyzing COVID-19-related Hate Speech Using BERT Attention.
ICMLA
Nishant Vishwamitra, Ruijia (Roger) Hu, Feng Luo, Long Cheng, Matthew Costello, Yin Yang
2020 — conf
On the Impact of Word Representation in Hate Speech and Offensive Language Detection and Explanation.
CODASPY
Ruijia (Roger) Hu, Wyatt Dorris, Nishant Vishwamitra, Feng Luo, Matthew Costello
2020 A* conf
Towards A Taxonomy of Content Sensitivity and Sharing Preferences for Photos.
CHI
Yifang Li, Nishant Vishwamitra, Hongxin Hu, Kelly Caine
2020 — conf
Towards Automatic Detection and Explanation of Hate Speech and Offensive Language.
IWSPA@CODASPY
Wyatt Dorris, Ruijia (Roger) Hu, Nishant Vishwamitra, Feng Luo, Matthew Costello
2018 C conf
CrescendoNet: A New Deep Convolutional Neural Network with Ensemble Behavior.
ICMLA
Xiang Zhang, Nishant Vishwamitra, Hongxin Hu, Feng Luo
2017 — conf
Blur vs. Block: Investigating the Effectiveness of Privacy-Enhancing Obfuscation for Images.
CVPR Workshops
Yifang Li, Nishant Vishwamitra, Bart P. Knijnenburg, Hongxin Hu, Kelly Caine
2017 J jnl
CrescendoNet: A Simple Deep Convolutional Neural Network with Ensemble Behavior.
CoRR
Xiang Zhang, Nishant Vishwamitra, Hongxin Hu, Feng Luo
2017 J jnl
Effectiveness and Users' Experience of Obfuscation as a Privacy-Enhancing Technology for Sharing Photos.
Proc. ACM Hum. Comput. Interact.
Yifang Li, Nishant Vishwamitra, Bart P. Knijnenburg, Hongxin Hu, Kelly Caine
2017 — conf
MCDefender: Toward Effective Cyberbullying Defense in Mobile Online Social Networks.
IWSPA@CODASPY
Nishant Vishwamitra, Xiang Zhang, Jonathan Tong, Hongxin Hu, Feng Luo, Robin M. Kowalski, Joseph P. Mazer
2017 C conf
Towards PII-based Multiparty Access Control for Photo Sharing in Online Social Networks.
SACMAT
Nishant Vishwamitra, Yifang Li, Kevin Wang, Hongxin Hu, Kelly Caine, Gail-Joon Ahn
2016 C conf
Cyberbullying Detection with a Pronunciation Based Convolutional Neural Network.
ICMLA
Xiang Zhang, Jonathan Tong, Nishant Vishwamitra, Elizabeth Whittaker, Joseph P. Mazer, Robin M. Kowalski, Hongxin Hu, Feng Luo, Jamie Macbeth, Edward Dillon