activity
20242026
collaborators

5 papers

cs.MA2026

Colosseum: Auditing Collusion in Cooperative Multi-Agent Systems

Mason Nakamura, Abhinav Kumar, Saswat Das +5

Multi-agent systems, where LLM agents communicate through free-form language, enable sophisticated coordination for solving complex cooperative tasks. This surfaces a unique safety…

cs.CL2026

Inference-Aware Prompt Optimization for Aligning Black-Box Large Language Models

Saaduddin Mahmud, Mason Nakamura, Kyle Hollins Wray +1

Prompt optimization methods have demonstrated significant effectiveness in aligning black-box large language models (LLMs). In parallel, inference scaling strategies such as Best-o…

cs.AI2025

Terrarium: Revisiting the Blackboard for Multi-Agent Safety, Privacy, and Security Studies

Mason Nakamura, Abhinav Kumar, Saaduddin Mahmud +3

A multi-agent system (MAS) powered by large language models (LLMs) can automate tedious user tasks such as meeting scheduling that requires inter-agent collaboration. LLMs enable n…

cs.LG2025

Aligning LLMs on a Budget: Inference-Time Alignment with Heuristic Reward Models

Mason Nakamura, Saaduddin Mahmud, Kyle H. Wray +2

Aligning LLMs with user preferences is crucial for real-world use but often requires costly fine-tuning or expensive inference, forcing trade-offs between alignment quality and com…

cs.LG2024

MAPLE: A Framework for Active Preference Learning Guided by Large Language Models

Saaduddin Mahmud, Mason Nakamura, Shlomo Zilberstein

The advent of large language models (LLMs) has sparked significant interest in using natural language for preference learning. However, existing methods often suffer from high comp…