Search Results for author: Zijie Huang

Found 24 papers, 9 papers with code

FUSE: Measure-Theoretic Compact Fuzzy Set Representation for Taxonomy Expansion

no code implementations10 Jun 2025 Fred Xu, Song Jiang, Zijie Huang, Xiao Luo, Shichang Zhang, Adrian Chen, Yizhou Sun

Taxonomy Expansion, which models complex concepts and their relations, can be formulated as a set representation learning task.

Representation Learning Taxonomy Expansion

FD-Bench: A Modular and Fair Benchmark for Data-driven Fluid Simulation

no code implementations25 May 2025 Haixin Wang, Ruoyan Li, Fred Xu, Fang Sun, Kaiqiao Han, Zijie Huang, Guancheng Wan, Ching Chang, Xiao Luo, Wei Wang, Yizhou Sun

Data-driven modeling of fluid dynamics has advanced rapidly with neural PDE solvers, yet a fair and strong benchmark remains fragmented due to the absence of unified PDE datasets and standardized evaluation protocols.

Disentanglement

Inferring from Logits: Exploring Best Practices for Decoding-Free Generative Candidate Selection

no code implementations28 Jan 2025 Mingyu Derek Ma, Yanna Ding, Zijie Huang, Jianxi Gao, Yizhou Sun, Wei Wang

We introduce an evaluation of a comprehensive collection of decoding-free candidate selection approaches on a comprehensive set of tasks, including five multiple-choice QA tasks with a small candidate pool and four clinical decision tasks with a massive amount of candidates, some with 10k+ options.

Multiple-choice

Predicting Time Series of Networked Dynamical Systems without Knowing Topology

1 code implementation25 Dec 2024 Yanna Ding, Zijie Huang, Malik Magdon-Ismail, Jianxi Gao

To address these gaps, we propose a novel framework for learning network dynamics directly from observed time-series data, when prior knowledge of graph topology or governing dynamical equations is absent.

Time Series

Architecture-Aware Learning Curve Extrapolation via Graph Ordinary Differential Equation

no code implementations20 Dec 2024 Yanna Ding, Zijie Huang, Xiao Shou, Yihang Guo, Yizhou Sun, Jianxi Gao

Learning curve extrapolation predicts neural network performance from early training epochs and has been applied to accelerate AutoML, facilitating hyperparameter tuning and neural architecture search.

Neural Architecture Search

Graph Fourier Neural ODEs: Modeling Spatial-temporal Multi-scales in Molecular Dynamics

no code implementations3 Nov 2024 Fang Sun, Zijie Huang, Haixin Wang, Huacong Tang, Xiao Luo, Wei Wang, Yizhou Sun

Accurately predicting long-horizon molecular dynamics (MD) trajectories remains a significant challenge, as existing deep learning methods often struggle to retain fidelity over extended simulations.

Computational chemistry Drug Discovery

Physics-Informed Regularization for Domain-Agnostic Dynamical System Modeling

1 code implementation8 Oct 2024 Zijie Huang, Wanjia Zhao, Jingdong Gao, Ziniu Hu, Xiao Luo, Yadi Cao, Yuanzhou Chen, Yizhou Sun, Wei Wang

While TRS is a domain-specific physical prior, we present the first theoretical proof that TRS loss can universally improve modeling accuracy by minimizing higher-order Taylor terms in ODE integration, which is numerically beneficial to various systems regardless of their properties, even for irreversible systems.

Inductive Bias

MIRAI: Evaluating LLM Agents for Event Forecasting

no code implementations1 Jul 2024 Chenchen Ye, Ziniu Hu, Yihe Deng, Zijie Huang, Mingyu Derek Ma, Yanqiao Zhu, Wei Wang

Recent advancements in Large Language Models (LLMs) have empowered LLM agents to autonomously collect world information, over which to conduct reasoning to solve complex problems.

Articles Benchmarking

BrainODE: Dynamic Brain Signal Analysis via Graph-Aided Neural Ordinary Differential Equations

no code implementations30 Apr 2024 Kaiqiao Han, Yi Yang, Zijie Huang, Xuan Kan, Yang Yang, Ying Guo, Lifang He, Liang Zhan, Yizhou Sun, Wei Wang, Carl Yang

Brain network analysis is vital for understanding the neural interactions regarding brain structures and functions, and identifying potential biomarkers for clinical phenotypes.

Irregular Time Series Missing Values +1

Causal Graph ODE: Continuous Treatment Effect Modeling in Multi-agent Dynamical Systems

no code implementations29 Feb 2024 Zijie Huang, Jeehyun Hwang, Junkai Zhang, Jinwoo Baik, Weitong Zhang, Dominik Wodarz, Yizhou Sun, Quanquan Gu, Wei Wang

Real-world multi-agent systems are often dynamic and continuous, where the agents co-evolve and undergo changes in their trajectories and interactions over time.

counterfactual Decision Making +1

TANGO: Time-Reversal Latent GraphODE for Multi-Agent Dynamical Systems

1 code implementation10 Oct 2023 Zijie Huang, Wanjia Zhao, Jingdong Gao, Ziniu Hu, Xiao Luo, Yadi Cao, Yuanzhou Chen, Yizhou Sun, Wei Wang

Learning complex multi-agent system dynamics from data is crucial across many domains, such as in physical simulations and material modeling.

Graph Neural Network Inductive Bias +1

MedChatZH: a Better Medical Adviser Learns from Better Instructions

1 code implementation3 Sep 2023 Yang Tan, Mingchen Li, Zijie Huang, Huiqun Yu, Guisheng Fan

Generative large language models (LLMs) have shown great success in various applications, including question-answering (QA) and dialogue systems.

Question Answering

Generalizing Graph ODE for Learning Complex System Dynamics across Environments

no code implementations10 Jul 2023 Zijie Huang, Yizhou Sun, Wei Wang

In practice, however, we might observe multiple systems that are generated across different environments, which differ in latent exogenous factors such as temperature and gravity.

Contrastive Learning Physical Simulations

CF-GODE: Continuous-Time Causal Inference for Multi-Agent Dynamical Systems

no code implementations20 Jun 2023 Song Jiang, Zijie Huang, Xiao Luo, Yizhou Sun

We model a multi-agent dynamical system as a graph and propose CounterFactual GraphODE (CF-GODE), a causal model that estimates continuous-time counterfactual outcomes in the presence of inter-dependencies between units.

Causal Inference counterfactual

Multilingual Knowledge Graph Completion with Self-Supervised Adaptive Graph Alignment

1 code implementation ACL 2022 Zijie Huang, Zheng Li, Haoming Jiang, Tianyu Cao, Hanqing Lu, Bing Yin, Karthik Subbian, Yizhou Sun, Wei Wang

In this paper, we explore multilingual KG completion, which leverages limited seed alignment as a bridge, to embrace the collective knowledge from multiple languages.

Knowledge Graph Completion

Learning Continuous System Dynamics from Irregularly-Sampled Partial Observations

1 code implementation NeurIPS 2020 Zijie Huang, Yizhou Sun, Wei Wang

In this paper, we propose to learn system dynamics from irregularly-sampled partial observations with underlying graph structure for the first time.

Graph Neural Network

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