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cs.LG2025
Learning Robust Representations for Malicious Content Detection via Contrastive Sampling and Uncertainty Estimation
Elias Hossain, Umesh Biswas, Charan Gudla +1
We propose the Uncertainty Contrastive Framework (UCF), a Positive-Unlabeled (PU) representation learning framework that integrates uncertainty-aware contrastive loss, adaptive tem…
cs.DC2025
A Survey of Recent Advancements in Secure Peer-to-Peer Networks
Raj Patel, Umesh Biswas, Surya Kodipaka +3
Peer-to-peer (P2P) networks are a cornerstone of modern computing, and their security is an active area of research. Many defenses with strong security guarantees have been propose…
cs.DS2025
A Gentle Wakeup Call: Symmetry Breaking with Less Collision Cost
Umesh Biswas, Maxwell Young
The wakeup problem addresses the fundamental challenge of symmetry breaking. Initially, n devices share a time-slotted multiple access channel, which models wireless communication.…