Search Results for author: Jiang Zhang

Found 13 papers, 5 papers with code

Tensor networks for unsupervised machine learning

1 code implementation24 Jun 2021 Jing Liu, Sujie Li, Jiang Zhang, Pan Zhang

Modeling the joint distribution of high-dimensional data is a central task in unsupervised machine learning.

Tensor Networks

TabularNet: A Neural Network Architecture for Understanding Semantic Structures of Tabular Data

no code implementations6 Jun 2021 Lun Du, Fei Gao, Xu Chen, Ran Jia, Junshan Wang, Jiang Zhang, Shi Han, Dongmei Zhang

To simultaneously extract spatial and relational information from tables, we propose a novel neural network architecture, TabularNet.

graph construction

Gumbel-softmax-based Optimization: A Simple General Framework for Optimization Problems on Graphs

no code implementations14 Apr 2020 Yaoxin Li, Jing Liu, Guozheng Lin, Yueyuan Hou, Muyun Mou, Jiang Zhang

In computer science, there exist a large number of optimization problems defined on graphs, that is to find a best node state configuration or a network structure such that the designed objective function is optimized under some constraints.

Combinatorial Optimization

PM2.5-GNN: A Domain Knowledge Enhanced Graph Neural Network For PM2.5 Forecasting

1 code implementation10 Feb 2020 Shuo Wang, Yan-ran Li, Jiang Zhang, Qingye Meng, Lingwei Meng, Fei Gao

When predicting PM2. 5 concentrations, it is necessary to consider complex information sources since the concentrations are influenced by various factors within a long period.

Understanding the mesoscopic scaling patterns within cities

1 code implementation2 Jan 2020 Lei Dong, Zhou Huang, Jiang Zhang, Yu Liu

Understanding quantitative relationships between urban elements is crucial for a wide range of applications.

Physics and Society

Link Prediction via Graph Attention Network

no code implementations10 Oct 2019 Weiwei Gu, Fei Gao, Xiaodan Lou, Jiang Zhang

Link prediction aims to infer missing links or predicting the future ones based on currently observed partial networks, it is a fundamental problem in network science with tremendous real-world applications.

Graph Attention Information Retrieval +3

Gumbel-softmax Optimization: A Simple General Framework for Combinatorial Optimization Problems on Graphs

no code implementations16 Sep 2019 Jing Liu, Fei Gao, Jiang Zhang

Many problems in real life can be converted to combinatorial optimization problems (COPs) on graphs, that is to find a best node state configuration or a network structure such that the designed objective function is optimized under some constraints.

Combinatorial Optimization

A General Deep Learning Framework for Network Reconstruction and Dynamics Learning

1 code implementation30 Dec 2018 Zhang Zhang, Yi Zhao, Jing Liu, Shuo Wang, Ruyi Tao, Ruyue Xin, Jiang Zhang

We exhibit the universality of our framework on different kinds of time-series data: with the same structure, our model can be trained to accurately recover the network structure and predict future states on continuous, discrete, and binary dynamics, and outperforms competing network reconstruction methods.

Time Series

A Novel Learning-based Global Path Planning Algorithm for Planetary Rovers

1 code implementation23 Nov 2018 Jiang Zhang, Yuanqing Xia, Ganghui Shen

Autonomous path planning algorithms are significant to planetary exploration rovers, since relying on commands from Earth will heavily reduce their efficiency of executing exploration missions.

A Novel Deep Neural Network Architecture for Mars Visual Navigation

no code implementations25 Aug 2018 Jiang Zhang, Yuanqing Xia, Ganghui Shen

In this paper, emerging deep learning techniques are leveraged to deal with Mars visual navigation problem.

Autonomous Navigation Visual Navigation

Complex Network Classification with Convolutional Neural Network

no code implementations2 Feb 2018 Ruyue Xin, Jiang Zhang, Yitong Shao

Classifying large scale networks into several categories and distinguishing them according to their fine structures is of great importance with several applications in real life.

Classification General Classification +1

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