Article(id=1322164907777307246, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322164760943116291, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1734883200000, receivedDateStr=2024-12-23, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793158278650, onlineDateStr=2026-10-28, pubDate=1766592000000, pubDateStr=2025-12-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793158278650, onlineIssueDateStr=2026-10-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793158278650, creator=13701087609, updateTime=1793158278650, updator=13701087609, issue=Issue{id=1322164760943116291, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='12', pageStart='1', pageEnd='302', issueExtLink='null', onlineDate='null', pubDate='1766592000000', pubDateStr='2025-12-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793158243641, creator='13701087609', updateTime=1793158929367, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322167637195477357, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322164760943116291, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322167637199671662, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322164760943116291, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=144, endPage=152, ext={EN=ArticleExt(id=1322164907970245231, articleId=1322164907777307246, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Research on Regional Classification of Mountain Flood Risk Based on Graph Neural Network Clustering in the Open-Pit Mining Area, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=
A method based on graph neural network (GNN) clustering was proposed for the regional classification of mountain flood risk in open-pit mining areas, so as to address the issue of spatial relationships neglected in existing classification methods. The research area selects the Baiyunebo mining area, and the classification method of mountain flood risk in mining area mainly consists of three steps. Firstly, the remote sensing images of the mining area were selected to divide into grid units and each grid was used as a node of the map. The node features mainly included elevation, slope, aspect, rainfall and precipitation. Secondly, the cosine similarity method was used to calculate the similarity of environmental features and represent the spatial relationship of similar nodes as edges, constructing an adjacency matrix. Thirdly, the constructed graph and corresponding adjacency matrix were input into the network model, which adopted an encoder architecture consisting of graph sample and aggregate (GraphSAGE) and graph attention network (GAT). The KL divergence loss function was used to optimize the model, ultimately achieving clustering prediction of the classification of mountain flood risk in the Bayyunebo mining area. The experimental results show that the clustering accuracy of the model reaches 87.5%, which is 11.2, 9.4 and 5.3 percentage points higher than traditional clustering algorithms k-means, hierarchical clustering, and random forest, respectively. The research result can verify the ability of this method to classify mountain flood risk in open-pit mining areas and can provide a reference for the prevention of mountain flood in open-pit mining areas.
, authors=Zhen PAN
1, 2, Haoxiang YANG
3, Xiangpeng WANG
4, Wei LI
5, Donghao ZHAI
6, authorsList=Zhen PAN, Haoxiang YANG, Xiangpeng WANG, Wei LI, Donghao ZHAI, authorCompany=null, correspAuthors=Donghao ZHAI, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322164912927912592, articleId=1322164907777307246, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=基于图神经网络聚类的露天矿区山洪风险等级区划研究, columnId=1226462295417598973, journalTitle=矿业研究与开发, columnName=矿山安全与环保, runingTitle=null, highlight=null, articleAbstract=
针对现有的露天矿区山洪风险等级区划方法存在的空间关系忽视问题,提出了一种基于图神经网络(GNN)聚类的露天矿区山洪风险等级区划方法。研究区域选取白云鄂博矿区,矿区山洪风险等级区划方法主要有三个步骤:(1)选取该矿区遥感图像划分栅格单元并将每个栅格作为图的节点,节点特征主要包括高程、坡度、坡向、降雨量等;(2)利用余弦相似度法计算环境特征相似性并将相似节点的空间关系表示为边,构建邻接矩阵;(3)构建的图和对应的邻接矩阵被输入到网络模型,采用图采样和聚合(GraphSAGE)与图注意力机制(GAT)组成的编码器架构,使用KL散度损失函数优化模型,最终实现白云鄂博矿区山洪风险等级的聚类预测。试验结果表明,模型的聚类准确率达到87.5%,与传统聚类算法k-means、层次聚类和随机森林相比分别提升了11.2,9.4,5.3个百分点,验证了该方法在露天矿区的山洪风险等级区划中的可靠性。研究成果可为露天矿区的山洪预防提供参考。
, authors=潘臻
1, 2, 杨浩翔
3, 王向鹏
4, 李伟
5, 翟东豪
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1.成都高新减灾研究所,四川 成都 610095
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潘臻(1981—),男,四川内江人,博士,讲师,主要研究方向为自然灾害监测预。E-mail:182319702@qq.com
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潘臻(1981—),男,四川内江人,博士,讲师,主要研究方向为自然灾害监测预。E-mail:182319702@qq.com
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3.Chengdu Meihuan Technology Co., Ltd, Chengdu, Sichuan 610041, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322164915784233645, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, authorId=1322164914018431658, language=CN, stringName=杨浩翔, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3.成都市美幻科技有限公司,四川 成都 610041, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322164913372508823, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, xref=3., ext=[AuthorCompanyExt(id=1322164913385091736, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, companyId=1322164913372508823, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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4.College of Geophysical, Chengdu University of Technology, Chengdu, Sichuan 610059, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322164916027503282, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, authorId=1322164915863925423, language=CN, stringName=王向鹏, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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4.成都理工大学 地球物理学院,四川 成都 610059, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322164913456394906, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, xref=4., ext=[AuthorCompanyExt(id=1322164913468977819, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, companyId=1322164913456394906, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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6.College of Computer Science and Cyber Security, Chengdu University of Technology, Chengdu, Sichuan 610059, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322164916476293820, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, authorId=1322164916308521657, language=CN, stringName=翟东豪, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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6.成都理工大学 计算机与网络安全学院,四川 成都 610059, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322164913670304416, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, xref=6., ext=[AuthorCompanyExt(id=1322164913682887329, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, companyId=1322164913670304416, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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The process of GraphSAGE, figureFileSmall=Gs7CS19cajjOsP4HsngDmA==, figureFileBig=pxLKlFvbzhiG+IMkFt6siQ==, tableContent=null), ArticleFig(id=1322164917722002122, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, language=CN, label=图3, caption=
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Multi-head attention mechanism, figureFileSmall=fWdR16O7gLFuefErKewc6w==, figureFileBig=d1dOYhlVoK5tfxsOUdeOvA==, tableContent=null), ArticleFig(id=1322164917877191372, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, language=CN, label=图4, caption=
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CQI values of different numbers of clusters, figureFileSmall=3XVDLhCHah4gnish5abakg==, figureFileBig=scx1hiVF++yywMt4HTh6yQ==, tableContent=null), ArticleFig(id=1322164918015603406, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, language=CN, label=图5, caption=
不同聚类数量下的CQI值, figureFileSmall=3XVDLhCHah4gnish5abakg==, figureFileBig=scx1hiVF++yywMt4HTh6yQ==, tableContent=null), ArticleFig(id=1322164918078517967, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, language=EN, label=Fig.6, caption=
Results of regional classfication of mountain flood risk, figureFileSmall=d/YKKbEshvEfq3vtofxk2A==, figureFileBig=kogssxPWe5XjYuN6sF5H/A==, tableContent=null), ArticleFig(id=1322164918162404048, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, language=CN, label=图6, caption=
山洪风险等级区划结果, figureFileSmall=d/YKKbEshvEfq3vtofxk2A==, figureFileBig=kogssxPWe5XjYuN6sF5H/A==, tableContent=null), ArticleFig(id=1322164918237901521, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, language=EN, label=Table 1, caption=
Node weight calculations
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| 特征 | 原始值 | 最大值 | 归一化值 | 权重系数 | 加权值 |
|---|
| 坡度 | 33.6° | 47.4° | 0.71 | 0.3 | 0.21 |
| 坡向 | 110.3° | 178.6° | 0.62 | 0.2 | 0.12 |
| 高程 | 1 141.1 m | 1 783.9 m | 0.64 | 0.1 | 0.06 |
| 降雨量 | 218.7 mm | 397.3 mm | 0.55 | 0.3 | 0.17 |
| NDVI | 0.1 | 1 | 0.10 | 0.1 | 0.03 |
| 总权值 | | | | | 0.59 |
), ArticleFig(id=1322164918300816082, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, language=CN, label=表1, caption=
节点权重计算
, figureFileSmall=null, figureFileBig=null, tableContent=
| 特征 | 原始值 | 最大值 | 归一化值 | 权重系数 | 加权值 |
|---|
| 坡度 | 33.6° | 47.4° | 0.71 | 0.3 | 0.21 |
| 坡向 | 110.3° | 178.6° | 0.62 | 0.2 | 0.12 |
| 高程 | 1 141.1 m | 1 783.9 m | 0.64 | 0.1 | 0.06 |
| 降雨量 | 218.7 mm | 397.3 mm | 0.55 | 0.3 | 0.17 |
| NDVI | 0.1 | 1 | 0.10 | 0.1 | 0.03 |
| 总权值 | | | | | 0.59 |
), ArticleFig(id=1322164918376313555, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, language=EN, label=Table 2, caption=
Hyperparameters setting
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| 参数 | 设置 |
|---|
| 模型层数 | 2层,3层,4层 |
| 嵌入维度 | 64,128,256 |
| 注意力头数 | 2,4,6 |
| 激活函数 | GeLU |
| 学习率 | 0.001 |
| 正则化 | L2 |
), ArticleFig(id=1322164918460199636, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, language=CN, label=表2, caption=
超参数设置
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 设置 |
|---|
| 模型层数 | 2层,3层,4层 |
| 嵌入维度 | 64,128,256 |
| 注意力头数 | 2,4,6 |
| 激活函数 | GeLU |
| 学习率 | 0.001 |
| 正则化 | L2 |
), ArticleFig(id=1322164920108561109, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, language=EN, label=Table 3, caption=
Results of comparative experiments among different clustering algorithms
, figureFileSmall=null, figureFileBig=null, tableContent=
| 聚类算法 | 聚类准确率/% | 轮廓系数 | 聚类紧密度 | CQI值 |
|---|
| k-means | 76.3 | 0.60 | 0.55 | 0.029 |
| Ward | 78.1 | 0.65 | 0.60 | 0.032 |
| RF | 82.2 | 0.70 | 0.65 | 0.020 |
| GNN | 87.5 | 0.73 | 0.72 | 0.012 |
), ArticleFig(id=1322164920200835798, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, language=CN, label=表3, caption=
不同聚类算法对比试验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 聚类算法 | 聚类准确率/% | 轮廓系数 | 聚类紧密度 | CQI值 |
|---|
| k-means | 76.3 | 0.60 | 0.55 | 0.029 |
| Ward | 78.1 | 0.65 | 0.60 | 0.032 |
| RF | 82.2 | 0.70 | 0.65 | 0.020 |
| GNN | 87.5 | 0.73 | 0.72 | 0.012 |
), ArticleFig(id=1322164920293110487, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, language=EN, label=Table 4, caption=
Results of ablation experiments
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | 聚类准确率/% | 轮廓系数 | 聚类紧密度 | CQI值 |
|---|
| GAT+KL | 84.0 | 0.68 | 0.67 | 0.028 |
| GraphSAGE+KL | 83.1 | 0.61 | 0.70 | 0.020 |
| GraphSAGE+GAT | 85.3 | 0.71 | 0.65 | 0.019 |
| GraphSAGE+GAT+KL | 87.5 | 0.73 | 0.72 | 0.012 |
), ArticleFig(id=1322164920368607960, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164907777307246, language=CN, label=表4, caption=
消融试验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | 聚类准确率/% | 轮廓系数 | 聚类紧密度 | CQI值 |
|---|
| GAT+KL | 84.0 | 0.68 | 0.67 | 0.028 |
| GraphSAGE+KL | 83.1 | 0.61 | 0.70 | 0.020 |
| GraphSAGE+GAT | 85.3 | 0.71 | 0.65 | 0.019 |
| GraphSAGE+GAT+KL | 87.5 | 0.73 | 0.72 | 0.012 |
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