Search Results for author: Xi Zhu

Found 22 papers, 5 papers with code

ANNs-SaDE: A Machine-Learning-Based Design Automation Framework for Microwave Branch-Line Couplers

no code implementations31 Mar 2025 Tianqi Chen, Wei Huang, Qiang Wu, Li Yang, Roberto Gómez-García, Xi Zhu

The traditional method for designing branch-line couplers involves a trial-and-error optimization process that requires multiple design iterations through electromagnetic (EM) simulations.

LLM as GNN: Graph Vocabulary Learning for Text-Attributed Graph Foundation Models

no code implementations5 Mar 2025 Xi Zhu, Haochen Xue, Ziwei Zhao, Wujiang Xu, Jingyuan Huang, Minghao Guo, Qifan Wang, Kaixiong Zhou, Yongfeng Zhang

Text-Attributed Graphs (TAGs), where each node is associated with text descriptions, are ubiquitous in real-world scenarios.

InstructAgent: Building User Controllable Recommender via LLM Agent

1 code implementation20 Feb 2025 Wujiang Xu, Yunxiao Shi, Zujie Liang, Xuying Ning, Kai Mei, Kun Wang, Xi Zhu, Min Xu, Yongfeng Zhang

Traditional recommender systems usually take the user-platform paradigm, where users are directly exposed under the control of the platform's recommendation algorithms.

Recommendation Systems

Denoising VAE as an Explainable Feature Reduction and Diagnostic Pipeline for Autism Based on Resting state fMRI

no code implementations30 Sep 2024 Xinyuan Zheng, Orren Ravid, Robert A. J. Barry, Yoojean Kim, Qian Wang, Young-geun Kim, Xi Zhu, Xiaofu He

By using a denoising variational autoencoder, our proposed pipeline further compresses the connectivity features into 5 latent Gaussian distributions, providing is a low-dimensional representation of the data to promote computational efficiency and interpretability.

Computational Efficiency Denoising +3

When Diffusion MRI Meets Diffusion Model: A Novel Deep Generative Model for Diffusion MRI Generation

no code implementations23 Aug 2024 Xi Zhu, Wei zhang, Yijie Li, Lauren J. O'Donnell, Fan Zhang

This achievement underscores a substantial progression in enhancing dMRI quality, highlighting the potential of our novel generative approach to revolutionize dMRI imaging standards.

model

When Box Meets Graph Neural Network in Tag-aware Recommendation

1 code implementation17 Jun 2024 Fake Lin, Ziwei Zhao, Xi Zhu, Da Zhang, Shitian Shen, Xueying Li, Tong Xu, Suojuan Zhang, Enhong Chen

Last year has witnessed the re-flourishment of tag-aware recommender systems supported by the LLM-enriched tags.

Diversity Graph Neural Network +1

Efficient Model Compression for Hierarchical Federated Learning

no code implementations27 May 2024 Xi Zhu, Songcan Yu, JunBo Wang, Qinglin Yang

Federated learning (FL), as an emerging collaborative learning paradigm, has garnered significant attention due to its capacity to preserve privacy within distributed learning systems.

Edge-computing Federated Learning +2

EMERGE: Integrating RAG for Improved Multimodal EHR Predictive Modeling

no code implementations27 May 2024 Yinghao Zhu, Changyu Ren, Zixiang Wang, Xiaochen Zheng, Shiyun Xie, Junlan Feng, Xi Zhu, Zhoujun Li, Liantao Ma, Chengwei Pan

However, current models that utilize clinical notes and multivariate time-series EHR data often lack the necessary medical context for precise clinical tasks.

Knowledge Graphs RAG +2

Knowledge Graph Pruning for Recommendation

no code implementations19 May 2024 Fake Lin, Xi Zhu, Ziwei Zhao, Deqiang Huang, Yu Yu, Xueying Li, Zhi Zheng, Tong Xu, Enhong Chen

Recent years have witnessed the prosperity of knowledge graph based recommendation system (KGRS), which enriches the representation of users, items, and entities by structural knowledge with striking improvement.

Graph Neural Network

DynLLM: When Large Language Models Meet Dynamic Graph Recommendation

no code implementations13 May 2024 Ziwei Zhao, Fake Lin, Xi Zhu, Zhi Zheng, Tong Xu, Shitian Shen, Xueying Li, Zikai Yin, Enhong Chen

To bridge this gap, in this paper, we propose a novel framework, called DynLLM, to deal with the dynamic graph recommendation task with LLMs.

Graph Embedding Recommendation Systems

BezierFormer: A Unified Architecture for 2D and 3D Lane Detection

no code implementations25 Apr 2024 Zhiwei Dong, Xi Zhu, Xiya Cao, Ran Ding, Wei Li, Caifa Zhou, Yongliang Wang, Qiangbo Liu

B\'{e}zierFormer formulate queries as B\'{e}zier control points and incorporate a novel B\'{e}zier curve attention mechanism.

3D Lane Detection

AIOS: LLM Agent Operating System

1 code implementation25 Mar 2024 Kai Mei, Xi Zhu, Wujiang Xu, Wenyue Hua, Mingyu Jin, Zelong Li, Shuyuan Xu, Ruosong Ye, Yingqiang Ge, Yongfeng Zhang

This AIOS kernel provides fundamental services (e. g., scheduling, context management, memory management, storage management, access control) and efficient management of resources (e. g., LLM and external tools) for runtime agents.

AI Agent Language Modelling +2

REALM: RAG-Driven Enhancement of Multimodal Electronic Health Records Analysis via Large Language Models

2 code implementations10 Feb 2024 Yinghao Zhu, Changyu Ren, Shiyun Xie, Shukai Liu, Hangyuan Ji, Zixiang Wang, Tao Sun, Long He, Zhoujun Li, Xi Zhu, Chengwei Pan

Leveraging clinical notes and multivariate time-series EHR, existing models often lack the medical context relevent to clinical tasks, prompting the incorporation of external knowledge, particularly from the knowledge graph (KG).

Language Modelling RAG +1

NeMO: Neural Map Growing System for Spatiotemporal Fusion in Bird's-Eye-View and BDD-Map Benchmark

no code implementations7 Jun 2023 Xi Zhu, Xiya Cao, Zhiwei Dong, Caifa Zhou, Qiangbo Liu, Wei Li, Yongliang Wang

We also provide a new scene-level BEV map evaluation setting along with the corresponding baseline for a more comprehensive comparison.

Autonomous Driving Time Series

Anchor Free remote sensing detector based on solving discrete polar coordinate equation

no code implementations21 Mar 2023 Linfeng Shi, Yan Li, Xi Zhu

Finally, referring to the calculation idea of horizontal IoU, we design a rotating IoU based on the split polar coordinate plane, namely JIoU, which is expressed as the intersection ratio following discretization of the inner ellipse of the rotating bounding box, to solve the correlation between angle and side length in the regression process of the rotating bounding box.

Object object-detection +2

Tensor Network for Supervised Learning at Finite Temperature

no code implementations9 Apr 2021 Haoxiang Lin, Shuqian Ye, Xi Zhu

Tensor network is chosen since it is the best platform to introduce thermal fluctuation.

Image Classification

Symmetrical Graph Neural Network for Quantum Chemistry, with Dual R/K Space

no code implementations16 Dec 2019 Shuqian Ye, Jiechun Liang, Rulin Liu, Xi Zhu

Most of current neural network models in quantum chemistry (QC) exclude the molecular symmetry, separate the well-correlated real space (R space), and momenta space (K space) into two individuals, which lack the essential physics in molecular chemistry.

Chemical Physics

Fixed-Size Ordinally Forgetting Encoding Based Word Sense Disambiguation

no code implementations23 Feb 2019 Xi Zhu, MingBin Xu, Hui Jiang

In this paper, we present our method of using fixed-size ordinally forgetting encoding (FOFE) to solve the word sense disambiguation (WSD) problem.

Language Modeling Language Modelling +1

The Newton Scheme for Deep Learning

no code implementations16 Oct 2018 Junqing Qiu, Guoren Zhong, Yihua Lu, Kun Xin, Huihuan Qian, Xi Zhu

Then, by classifying the training model as a quick procedure of 'force pattern' recognition, we developed the Newton physics-based NS scheme.

Deep Learning Object Recognition

Pixel Chem: A Representation for Predicting Material Properties with Neural Network

no code implementations27 Sep 2018 Shuqian Ye, Yanheng Xu, Jiechun Liang, Hao Xu, Shuhong Cai, Shixin Liu, Xi Zhu

In this work we developed a new representation of the chemical information for the machine learning models, with benefits from both the real space (R-space) and energy space (K-space).

BIG-bench Machine Learning Computational chemistry

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