activity
20242026
collaborators

6 papers

cs.AI2026

CEO-Bench: Can Agents Play the Long Game?

Haozhe Chen, Karthik Narasimhan, Zhuang Liu

Language model agents are becoming proficient executors at isolated, short-horizon tasks such as software engineering and customer service. Yet real-world challenges require a comb…

cs.RO2025

Human-like Navigation in a World Built for Humans

Bhargav Chandaka, Gloria X. Wang, Haozhe Chen +3

When navigating in a man-made environment they haven't visited before--like an office building--humans employ behaviors such as reading signs and asking others for directions. Thes…

cs.CY2025

Twin-2K-500: A dataset for building digital twins of over 2,000 people based on their answers to over 500 questions

Olivier Toubia, George Z. Gui, Tianyi Peng +3

LLM-based digital twin simulation, where large language models are used to emulate individual human behavior, holds great promise for research in AI, social science, and digital ex…

cs.LG2025

Data Mixture Optimization: A Multi-fidelity Multi-scale Bayesian Framework

Thomson Yen, Andrew Wei Tung Siah, Haozhe Chen +3

Careful curation of data sources can significantly improve the performance of LLM pre-training, but predominant approaches rely heavily on intuition or costly trial-and-error, maki…

cs.CL2025

LLM Generated Persona is a Promise with a Catch

Ang Li, Haozhe Chen, Hongseok Namkoong +1

The use of large language models (LLMs) to simulate human behavior has gained significant attention, particularly through personas that approximate individual characteristics. Pers…

cs.LG2024

QGym: Scalable Simulation and Benchmarking of Queuing Network Controllers

Haozhe Chen, Ang Li, Ethan Che +3

Queuing network control determines the allocation of scarce resources to manage congestion, a fundamental problem in manufacturing, communications, and healthcare. Compared to stan…