activity
20202026
most citedEvaluating Cognitive Maps and Planning in Large Language Models with CogEval

22 citations · 44 across the 14 of their papers we have counts for

collaborators

16 papers

math.CA2026

Uncertainty principles as forcing mechanisms

Laurent Massoulié

In this note we first consider the Heisenberg uncertainty principle. We show that it acts as a {\bf forcing mechanism} in the following sense. Real functions that approach its limi…

cs.CL2026

Nemotron 3 Ultra: Open, Efficient Mixture-of-Experts Hybrid Mamba-Transformer Model for Agentic Reasoning

NVIDIA, :, Aaron Blakeman +572

We introduce Nemotron 3 Ultra, a 550 billion total and 55 billion active parameter Mixture-of-Experts Hybrid Mamba-Attention language model. We pre-trained Nemotron 3 Ultra on 20 t…

cs.LG2026

Nemotron 3 Super: Open, Efficient Mixture-of-Experts Hybrid Mamba-Transformer Model for Agentic Reasoning

NVIDIA, :, Aakshita Chandiramani +544

We describe the pre-training, post-training, and quantization of Nemotron 3 Super, a 120 billion (active 12 billion) parameter hybrid Mamba-Attention Mixture-of-Experts model. Nemo…

cs.LG2025

Learning Without Critics? Revisiting GRPO in Classical Reinforcement Learning Environments

Bryan L. M. de Oliveira, Felipe V. Frujeri, Marcos P. C. M. Queiroz +3

Group Relative Policy Optimization (GRPO) has emerged as a scalable alternative to Proximal Policy Optimization (PPO) by eliminating the learned critic and instead estimating advan…

cs.CV2023

HoloAssist: an Egocentric Human Interaction Dataset for Interactive AI Assistants in the Real World

Xin Wang, Taein Kwon, Mahdi Rad +9

Building an interactive AI assistant that can perceive, reason, and collaborate with humans in the real world has been a long-standing pursuit in the AI community. This work is par…

cs.CL2023★ 3 cited

ALLURE: Auditing and Improving LLM-based Evaluation of Text using Iterative In-Context-Learning

Hosein Hasanbeig, Hiteshi Sharma, Leo Betthauser +2

From grading papers to summarizing medical documents, large language models (LLMs) are evermore used for evaluation of text generated by humans and AI alike. However, despite their…

cs.AI2023★ 22 cited

Evaluating Cognitive Maps and Planning in Large Language Models with CogEval

Ida Momennejad, Hosein Hasanbeig, Felipe Vieira +5

Recently an influx of studies claim emergent cognitive abilities in large language models (LLMs). Yet, most rely on anecdotes, overlook contamination of training sets, or lack syst…

cs.CL2023★ 5 cited

Fine-Tuning Language Models with Advantage-Induced Policy Alignment

Banghua Zhu, Hiteshi Sharma, Felipe Vieira Frujeri +4

Reinforcement learning from human feedback (RLHF) has emerged as a reliable approach to aligning large language models (LLMs) to human preferences. Among the plethora of RLHF techn…

cs.NI2023

A Deep Learning Perspective on Network Routing

Yarin Perry, Felipe Vieira Frujeri, Chaim Hoch +4

Routing is, arguably, the most fundamental task in computer networking, and the most extensively studied one. A key challenge for routing in real-world environments is the need to…

cs.LG2022

Towards Data-Driven Offline Simulations for Online Reinforcement Learning

Shengpu Tang, Felipe Vieira Frujeri, Dipendra Misra +4

Modern decision-making systems, from robots to web recommendation engines, are expected to adapt: to user preferences, changing circumstances or even new tasks. Yet, it is still un…

cs.RO2022

PACT: Perception-Action Causal Transformer for Autoregressive Robotics Pre-Training

Rogerio Bonatti, Sai Vemprala, Shuang Ma +3

Robotics has long been a field riddled with complex systems architectures whose modules and connections, whether traditional or learning-based, require significant human expertise…

cs.RO2022★ 4 cited

MoCapAct: A Multi-Task Dataset for Simulated Humanoid Control

Nolan Wagener, Andrey Kolobov, Felipe Vieira Frujeri +3

Simulated humanoids are an appealing research domain due to their physical capabilities. Nonetheless, they are also challenging to control, as a policy must drive an unstable, disc…

cs.LG2022★ 4 cited

Hindsight Learning for MDPs with Exogenous Inputs

Sean R. Sinclair, Felipe Frujeri, Ching-An Cheng +6

Many resource management problems require sequential decision-making under uncertainty, where the only uncertainty affecting the decision outcomes are exogenous variables outside t…

cs.LG2022

The Sandbox Environment for Generalizable Agent Research (SEGAR)

R Devon Hjelm, Bogdan Mazoure, Florian Golemo +5

A broad challenge of research on generalization for sequential decision-making tasks in interactive environments is designing benchmarks that clearly landmark progress. While there…

cs.NI2021

Towards a Cost vs. Quality Sweet Spot for Monitoring Networks

Nofel Yaseen, Behnaz Arzani, Krishna Chintalapudi +6

Continuously monitoring a wide variety of performance and fault metrics has become a crucial part of operating large-scale datacenter networks. In this work, we ask whether we can…

cs.DC2020★ 6 cited

Prediction-Based Power Oversubscription in Cloud Platforms

Alok Kumbhare, Reza Azimi, Ioannis Manousakis +8

Datacenter designers rely on conservative estimates of IT equipment power draw to provision resources. This leaves resources underutilized and requires more datacenters to be built…