activity
20242026
most citedORBIT-2: Scaling Exascale Vision Foundation Models for Weather and Climate Downscaling

3 citations · 5 across the 6 of their papers we have counts for

collaborators

7 papers

cs.AI2026

Instruction-Tuned LLMs for Parsing and Mining Unstructured Logs on Leadership HPC Systems

Ahmad Maroof Karimi, Jong Youl Choi, Charles Qing Cao +1

Leadership-class HPC systems generate massive volumes of heterogeneous, largely unstructured system logs. Because these logs originate from diverse software, hardware, and runtime…

cs.LG2026

Global Attention with Linear Complexity for Exascale Generative Data Assimilation in Earth System Prediction

Xiao Wang, Zezhong Zhang, Isaac Lyngaas +10

Accurate Earth system prediction requires state inference from incomplete observations, but conventional two-stage data assimilation (DA) is computationally prohibitive because rep…

cs.LG2025

Multi-task parallelism for robust pre-training of graph foundation models on multi-source, multi-fidelity atomistic modeling data

Massimiliano Lupo Pasini, Jong Youl Choi, Pei Zhang +6

Graph foundation models using graph neural networks promise sustainable, efficient atomistic modeling. To tackle challenges of processing multi-source, multi-fidelity data during p…

physics.comp-ph2025

Exploring the Capabilities of the Frontier Large Language Models for Nuclear Energy Research

Ahmed Almeldein, Mohammed Alnaggar, Rick Archibald +47

The AI for Nuclear Energy workshop at Oak Ridge National Laboratory evaluated the potential of Large Language Models (LLMs) to accelerate fusion and fission research. Fourteen inte…

cs.LG2025★ 3 cited

ORBIT-2: Scaling Exascale Vision Foundation Models for Weather and Climate Downscaling

Xiao Wang, Jong-Youl Choi, Takuya Kurihaya +15

Sparse observations and coarse-resolution climate models limit effective regional decision-making, underscoring the need for robust downscaling. However, existing AI methods strugg…

cs.CV2024

Sequence Length Scaling in Vision Transformers for Scientific Images on Frontier

Aristeidis Tsaris, Chengming Zhang, Xiao Wang +9

Vision Transformers (ViTs) are pivotal for foundational models in scientific imagery, including Earth science applications, due to their capability to process large sequence length…

physics.ao-ph2024★ 2 cited

ORBIT: Oak Ridge Base Foundation Model for Earth System Predictability

Xiao Wang, Siyan Liu, Aristeidis Tsaris +8

Earth system predictability is challenged by the complexity of environmental dynamics and the multitude of variables involved. Current AI foundation models, although advanced by le…