activity
20242026
collaborators

7 papers

cs.CL2026

SpecHop: Continuous Speculation for Accelerating Multi-Hop Retrieval Agents

Mehrdad Saberi, Keivan Rezaei, Soheil Feizi

Large language models increasingly use external tools such as web search and document retrieval to solve information-intensive tasks. However, multi-hop tool use in complex tasks i…

cs.LG2026

Revisiting the Past: Data Unlearning with Model State History

Keivan Rezaei, Mehrdad Saberi, Abhilasha Ravichander +1

Large language models are trained on massive corpora of web data, which may include private data, copyrighted material, factually inaccurate data, or data that degrades model perfo…

cs.CL2025

Adversarial Paraphrasing: A Universal Attack for Humanizing AI-Generated Text

Yize Cheng, Vinu Sankar Sadasivan, Mehrdad Saberi +2

The increasing capabilities of Large Language Models (LLMs) have raised concerns about their misuse in AI-generated plagiarism and social engineering. While various AI-generated te…

cs.CV2025

IConMark: Robust Interpretable Concept-Based Watermark For AI Images

Vinu Sankar Sadasivan, Mehrdad Saberi, Soheil Feizi

With the rapid rise of generative AI and synthetic media, distinguishing AI-generated images from real ones has become crucial in safeguarding against misinformation and ensuring d…

cs.CV2025

Improving Compositional Attribute Binding in Text-to-Image Generative Models via Enhanced Text Embeddings

Arman Zarei, Keivan Rezaei, Samyadeep Basu +4

Text-to-image diffusion-based generative models have the stunning ability to generate photo-realistic images and achieve state-of-the-art low FID scores on challenging image genera…

cs.CR2024

DREW : Towards Robust Data Provenance by Leveraging Error-Controlled Watermarking

Mehrdad Saberi, Vinu Sankar Sadasivan, Arman Zarei +2

Identifying the origin of data is crucial for data provenance, with applications including data ownership protection, media forensics, and detecting AI-generated content. A standar…