Article(id=1251458156577108696, tenantId=1146029695717560320, journalId=1251194880429441115, issueId=1251458153020342360, articleNumber=null, orderNo=null, doi=10.3979/j.issn.1673-825X.202408040201, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1722700800000, receivedDateStr=2024-08-04, revisedDate=1757088000000, revisedDateStr=2025-09-06, acceptedDate=null, acceptedDateStr=null, onlineDate=1776300475496, onlineDateStr=2026-04-16, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1776300475496, onlineIssueDateStr=2026-04-16, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1776300475496, creator=13041195026, updateTime=1776300475496, updator=13041195026, issue=Issue{id=1251458153020342360, tenantId=1146029695717560320, journalId=1251194880429441115, year='2025', volume='37', issue='5', pageStart='627', pageEnd='780', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1776300474648, creator=13041195026, updateTime=1776311939434, updator=13041195026, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1251506239914586238, tenantId=1146029695717560320, journalId=1251194880429441115, issueId=1251458153020342360, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1251506239914586239, tenantId=1146029695717560320, journalId=1251194880429441115, issueId=1251458153020342360, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=708, endPage=716, ext={EN=ArticleExt(id=1251458156933624540, articleId=1251458156577108696, tenantId=1146029695717560320, journalId=1251194880429441115, language=EN, title=Temporal knowledge graph reasoning model incorporating cross-time commonality features, columnId=1251458154354131041, journalTitle=Journal of Chongqing University of Posts and Telecommunications(Natural Science Edition), columnName=Artificial Intelligenceand Big Data, runingTitle=null, highlight=null, articleAbstract=
Temporal knowledge graph reasoning, which predicts events absent from the graph, has seen significant applications in recommendation systems, question answering, and healthcare. The lack of background knowledge in temporal knowledge graphs hinders reasoning, with existing methods relying on external graphs while overlooking implicit data within the graph. To fully exploit the graph's implicit background information, this paper extracts cross-temporal features to define entity backgrounds and proposes a temporal knowledge graph reasoning model incorporating cross-time commonality features(TR-CTC). TR-CTC uses a graph neural network to extract cross-temporal commonality from multi-hop paths, integrating it as background information into the graph representation learning process, enhancing reasoning performance. Experimental results show that TR-CTC generally outperforms baseline models in link prediction tasks.
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时序知识图谱推理用于预测未出现在时序知识图谱中的事件信息,在推荐系统、问答系统和医疗等场景下取得了重要的应用。时序知识图谱中实体相关背景知识的缺失,限制了推理技术的发展。现有的推理方法依赖于外部图谱,却很少关注图谱自身所隐含的背景信息。为了充分挖掘图谱隐含的背景信息,通过抽取跨时间共性的特征刻画实体背景,提出了一种融合了跨时间共性特征的时序知识图谱推理模型(temporal knowledge graph reasoning model incorporating cross-time commonality features,TR-CTC)。TR-CTC利用图神经网络模型,从多跳路径中抽取跨时间共性特征作为实体的背景信息;融入到时序知识图谱表示学习过程中,提升推理性能。实验结果表明,TRCTC在链接预测任务中普遍优于基准模型。
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陈美琪,硕士研究生,主要研究方向为知识图谱和知识表示。E-mail: s220201012@stu.cqupt.edu.cn。
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陈美琪,硕士研究生,主要研究方向为知识图谱和知识表示。E-mail: s220201012@stu.cqupt.edu.cn。
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张诚麟,博士研究生,主要研究方向为因果学习和知识表示。E-mail: d210201035@stu.cqupt.edu.cn。
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张诚麟,博士研究生,主要研究方向为因果学习和知识表示。E-mail: d210201035@stu.cqupt.edu.cn。
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于洪,教授,博士,主要研究方向为粗糙集、粒计算、三支决策、智能信息处理、Web智能、数据挖掘。E-mail: yuhong@cqupt.edu.cn。
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于洪,教授,博士,主要研究方向为粗糙集、粒计算、三支决策、智能信息处理、Web智能、数据挖掘。E-mail: yuhong@cqupt.edu.cn。
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https://data.nber.org/ens/feldstein/NBER_Sources/ENS%20Conference%20Sources/2016/Predicting%20Conflict%20Via%20Machine%20Learning/ICEWS%20(Lockheed%20Martin)/Dictionaries/ICEWS%20Events%20and%20Aggregations.pdf., articleTitle=ICEWS events and aggregations, refAbstract=null), Reference(id=1251458185094181479, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, doi=null, pmid=null, pmcid=null, year=2023, volume=null, issue=null, pageStart=566, pageEnd=576, url=null, language=null, rfNumber=[27], rfOrder=28, authorNames=GIRALDO J H, SKIANIS K, BOUWMANS T, journalName=null, refType=null, unstructuredReference=
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2023: 566-576., articleTitle=On the trade-off between over-smoothing and over-squashing in deep graph neural networks, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1251458175984152919, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, xref=null, ext=[AuthorCompanyExt(id=1251458175992541528, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, companyId=1251458175984152919, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Chongqing Key Laboratory of Computational Intelligence, Chongqing University of Posts and Telecommunications, Chongqing 400065, P R China), AuthorCompanyExt(id=1251458175996735833, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, companyId=1251458175984152919, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=重庆邮电大学 计算智能重庆市重点实验室,重庆 400065)])], figs=[ArticleFig(id=1251458179503174067, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, language=EN, label=Fig.1, caption=
Examples of ICEWS14 dataset, figureFileSmall=MWZs13cVfPV96urLBrSIkQ==, figureFileBig=mpQchZz8YcygpA225x5cTA==, tableContent=null), ArticleFig(id=1251458179574477242, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, language=CN, label=图1, caption=
ICEWS14数据集中的实例, figureFileSmall=MWZs13cVfPV96urLBrSIkQ==, figureFileBig=mpQchZz8YcygpA225x5cTA==, tableContent=null), ArticleFig(id=1251458179754832326, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, language=EN, label=Fig.2, caption=
Framework of TR-CTC, figureFileSmall=csyW/kWhdae/R3atkrJdag==, figureFileBig=uRxxnMiOuQpInnmjnKSX5A==, tableContent=null), ArticleFig(id=1251458179847107017, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, language=CN, label=图2, caption=
TR-CTC框架图, figureFileSmall=csyW/kWhdae/R3atkrJdag==, figureFileBig=uRxxnMiOuQpInnmjnKSX5A==, tableContent=null), ArticleFig(id=1251458179947770320, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, language=EN, label=Fig.3, caption=
Results of λ in entity prediction on ICEWS14, figureFileSmall=Iv2bxN/bEKZGola4Jqrudw==, figureFileBig=Et0hte+ryouWH3v/5K/DXA==, tableContent=null), ArticleFig(id=1251458180014879186, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, language=CN, label=图3, caption=
λ在ICEWS14数据集上实体预测的结果, figureFileSmall=Iv2bxN/bEKZGola4Jqrudw==, figureFileBig=Et0hte+ryouWH3v/5K/DXA==, tableContent=null), ArticleFig(id=1251458180094570965, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, language=EN, label=Fig.4, caption=
Results of λ in relation prediction on ICEWS14, figureFileSmall=YtJUVjMJDz5EWURQo8GdBA==, figureFileBig=WMV5necS8DjTSXfFJEq3lg==, tableContent=null), ArticleFig(id=1251458180161679831, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, language=CN, label=图4, caption=
λ在ICEWS14数据集上关系预测的结果, figureFileSmall=YtJUVjMJDz5EWURQo8GdBA==, figureFileBig=WMV5necS8DjTSXfFJEq3lg==, tableContent=null), ArticleFig(id=1251458180249760220, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, language=EN, label=Tab.1, caption=
Datasets of temporal knowledge graph
, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据集 | ICEWS14 | ICEWS18 | ICEWS0515 |
|---|
| 实体个数 | 7128 | 23033 | 10488 |
| 关系个数 | 230 | 256 | 251 |
| 训练集数量 | 63685 | 539286 | 272115 |
| 验证集数量 | 13823 | 67538 | 17535 |
| 测试集数量 | 13222 | 63110 | 20466 |
), ArticleFig(id=1251458180325257697, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, language=CN, label=表1, caption=
时序知识图谱数据集
, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据集 | ICEWS14 | ICEWS18 | ICEWS0515 |
|---|
| 实体个数 | 7128 | 23033 | 10488 |
| 关系个数 | 230 | 256 | 251 |
| 训练集数量 | 63685 | 539286 | 272115 |
| 验证集数量 | 13823 | 67538 | 17535 |
| 测试集数量 | 13222 | 63110 | 20466 |
), ArticleFig(id=1251458180409143782, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, language=EN, label=Tab.2, caption=
Results of entity prediction
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | ICEWS14 | ICEWS18 | ICEWS0515 |
|---|
| MRR | H@1 | H@3 | H@10 | MRR | H@1 | H@3 | H@10 | MRR | H@1 | H@3 | H@10 |
|---|
| TTransE[9] | 13.43 | 3.11 | 17.32 | 34.55 | 10.17 | 4.52 | 10.33 | 21.25 | 15.71 | 5.00 | 19.72 | 38.02 |
| DE-DisMult[10] | 27.91 | 19.99 | 30.95 | 43.13 | 19.63 | 11.80 | 22.05 | 35.28 | 34.70 | 25.29 | 38.99 | 58.35 |
| DE-SimplE[11] | 32.74 | 24.37 | 36.28 | 48.80 | 22.69 | 14.22 | 25.61 | 39.57 | 35.03 | 25.94 | 38.89 | 52.85 |
| RE-Net[15] | 35.11 | 25.81 | 39.26 | 53.20 | 26.65 | 16.96 | 30.40 | 45.73 | 35.91 | 26.04 | 40.34 | 55.09 |
| RE-GCN[21] | 40.02 | 30.36 | 44.57 | 58.63 | 28.94 | 18.94 | 32.93 | 48.56 | 45.91 | 35.41 | 51.52 | 65.98 |
| EvoKG[18] | 27.18 | 16.67 | 26.63 | 42.70 | 26.81 | 26.89 | 33.94 | 50.09 | 38.23 | 28.16 | 43.06 | 57.40 |
| TR-CTC | 40.97 | 31.32 | 45.53 | 59.45 | 32.42 | 22.44 | 36.61 | 51.87 | 47.60 | 37.17 | 53.10 | 67.70 |
), ArticleFig(id=1251458180509807084, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, language=CN, label=表2, caption=
实体预测结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | ICEWS14 | ICEWS18 | ICEWS0515 |
|---|
| MRR | H@1 | H@3 | H@10 | MRR | H@1 | H@3 | H@10 | MRR | H@1 | H@3 | H@10 |
|---|
| TTransE[9] | 13.43 | 3.11 | 17.32 | 34.55 | 10.17 | 4.52 | 10.33 | 21.25 | 15.71 | 5.00 | 19.72 | 38.02 |
| DE-DisMult[10] | 27.91 | 19.99 | 30.95 | 43.13 | 19.63 | 11.80 | 22.05 | 35.28 | 34.70 | 25.29 | 38.99 | 58.35 |
| DE-SimplE[11] | 32.74 | 24.37 | 36.28 | 48.80 | 22.69 | 14.22 | 25.61 | 39.57 | 35.03 | 25.94 | 38.89 | 52.85 |
| RE-Net[15] | 35.11 | 25.81 | 39.26 | 53.20 | 26.65 | 16.96 | 30.40 | 45.73 | 35.91 | 26.04 | 40.34 | 55.09 |
| RE-GCN[21] | 40.02 | 30.36 | 44.57 | 58.63 | 28.94 | 18.94 | 32.93 | 48.56 | 45.91 | 35.41 | 51.52 | 65.98 |
| EvoKG[18] | 27.18 | 16.67 | 26.63 | 42.70 | 26.81 | 26.89 | 33.94 | 50.09 | 38.23 | 28.16 | 43.06 | 57.40 |
| TR-CTC | 40.97 | 31.32 | 45.53 | 59.45 | 32.42 | 22.44 | 36.61 | 51.87 | 47.60 | 37.17 | 53.10 | 67.70 |
), ArticleFig(id=1251458180585304562, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, language=EN, label=Tab.3, caption=
Results of relation prediction
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | ICEWS14 | ICEWS18 | ICEWS0515 |
|---|
| MRR | H@1 | H@3 | H@10 | MRR | H@1 | H@3 | H@10 | MRR | H@1 | H@3 | H@10 |
|---|
| TTransE[9] | | 1.55 | 6.70 | 25.90 | | 2.66 | 6.40 | 19.40 | | 1.17 | 4.73 | 18.82 |
| DE-DisMult[10] | 17.52 | 11.90 | 19.60 | 29.47 | 13.58 | 8.80 | 14.99 | 23.32 | 5.93 | 2.74 | 6.20 | 11.63 |
| DE-SimplE[11] | 19.63 | 14.21 | 21.53 | 31.27 | 16.41 | 11.15 | 18.61 | 26.72 | 14.81 | 10.19 | 16.51 | 23.98 |
| RE-Net[15] | 35.11 | 17.51 | 30.50 | 53.10 | 26.65 | 23.83 | 44.30 | 76.16 | 35.91 | 25.00 | 52.27 | 79.55 |
| RE-GCN[21] | 43.60 | 31.46 | 47.88 | 70.36 | 39.62 | 24.73 | 46.01 | 70.92 | 40.08 | 24.76 | 46.99 | 71.82 |
| EvoKG[18] | 41.47 | 25.67 | 47.77 | 75.95 | 41.15 | 24.92 | 48.09 | 76.76 | 39.21 | 23.33 | 44.72 | 75.67 |
| TR-CTC | 43.98 | 31.58 | 48.91 | 72.70 | 44.22 | 31.56 | 48.98 | 72.14 | 45.55 | 33.05 | 50.62 | 73.07 |
), ArticleFig(id=1251458180685967862, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, language=CN, label=表3, caption=
关系预测结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | ICEWS14 | ICEWS18 | ICEWS0515 |
|---|
| MRR | H@1 | H@3 | H@10 | MRR | H@1 | H@3 | H@10 | MRR | H@1 | H@3 | H@10 |
|---|
| TTransE[9] | | 1.55 | 6.70 | 25.90 | | 2.66 | 6.40 | 19.40 | | 1.17 | 4.73 | 18.82 |
| DE-DisMult[10] | 17.52 | 11.90 | 19.60 | 29.47 | 13.58 | 8.80 | 14.99 | 23.32 | 5.93 | 2.74 | 6.20 | 11.63 |
| DE-SimplE[11] | 19.63 | 14.21 | 21.53 | 31.27 | 16.41 | 11.15 | 18.61 | 26.72 | 14.81 | 10.19 | 16.51 | 23.98 |
| RE-Net[15] | 35.11 | 17.51 | 30.50 | 53.10 | 26.65 | 23.83 | 44.30 | 76.16 | 35.91 | 25.00 | 52.27 | 79.55 |
| RE-GCN[21] | 43.60 | 31.46 | 47.88 | 70.36 | 39.62 | 24.73 | 46.01 | 70.92 | 40.08 | 24.76 | 46.99 | 71.82 |
| EvoKG[18] | 41.47 | 25.67 | 47.77 | 75.95 | 41.15 | 24.92 | 48.09 | 76.76 | 39.21 | 23.33 | 44.72 | 75.67 |
| TR-CTC | 43.98 | 31.58 | 48.91 | 72.70 | 44.22 | 31.56 | 48.98 | 72.14 | 45.55 | 33.05 | 50.62 | 73.07 |
), ArticleFig(id=1251458180786631159, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, language=EN, label=Tab.4, caption=
Ablation experiment on link prediction
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| 任务 | 模型 | ICEWS14 | ICEWS18 | ICEWS0515 |
|---|
| MRR | H@1 | H@3 | H@10 | MRR | H@1 | H@3 | H@10 | MRR | H@1 | H@3 | H@10 |
|---|
| 实体 | w/o CTC | 36.53 | 27.52 | 40.08 | 54.67 | 28.18 | 18.25 | 33.03 | 47.96 | 47.17 | 36.87 | 52.59 | 67.05 |
| 预测 | TR-CTC | 40.97 | 31.32 | 45.53 | 59.45 | 32.42 | 22.44 | 36.61 | 51.87 | 47.60 | 37.17 | 53.10 | 67.70 |
| 关系 | w/o CTC | 41.86 | 29.77 | 45.49 | 69.30 | 38.07 | 24.02 | 43.38 | 68.30 | 44.40 | 31.70 | 49.25 | 72.77 |
| 预测 | TR-CTC | 43.98 | 31.58 | 48.91 | 72.70 | 44.22 | 31.56 | 48.98 | 72.14 | 45.55 | 33.05 | 50.62 | 73.07 |
), ArticleFig(id=1251458180908265980, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, language=CN, label=表4, caption=
链接预测上的消融实验
, figureFileSmall=null, figureFileBig=null, tableContent=
| 任务 | 模型 | ICEWS14 | ICEWS18 | ICEWS0515 |
|---|
| MRR | H@1 | H@3 | H@10 | MRR | H@1 | H@3 | H@10 | MRR | H@1 | H@3 | H@10 |
|---|
| 实体 | w/o CTC | 36.53 | 27.52 | 40.08 | 54.67 | 28.18 | 18.25 | 33.03 | 47.96 | 47.17 | 36.87 | 52.59 | 67.05 |
| 预测 | TR-CTC | 40.97 | 31.32 | 45.53 | 59.45 | 32.42 | 22.44 | 36.61 | 51.87 | 47.60 | 37.17 | 53.10 | 67.70 |
| 关系 | w/o CTC | 41.86 | 29.77 | 45.49 | 69.30 | 38.07 | 24.02 | 43.38 | 68.30 | 44.40 | 31.70 | 49.25 | 72.77 |
| 预测 | TR-CTC | 43.98 | 31.58 | 48.91 | 72.70 | 44.22 | 31.56 | 48.98 | 72.14 | 45.55 | 33.05 | 50.62 | 73.07 |
), ArticleFig(id=1251458181034095101, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, language=EN, label=Tab.5, caption=
Cross-temporal commonality analysis on ICEWS14
, figureFileSmall=null, figureFileBig=null, tableContent=
| 任务 | 模型 | MRR | H@1 | H@3 | H@10 |
|---|
| 实体预测 | TR-CTC(random) | 26.16 | 18.69 | 28.91 | 39.80 |
| TR-CTC(cos-sim) | 36.83 | 27.35 | 41.11 | 55.26 |
| TR-CTC | 40.97 | 31.32 | 45.53 | 59.45 |
| 关系预测 | TR-CTC(random) | 42.28 | 29.18 | 47.08 | 70.19 |
| TR-CTC(cos-sim) | 41.82 | 29.48 | 45.65 | 69.27 |
| TR-CTC | 43.98 | 31.58 | 48.91 | 72.70 |
), ArticleFig(id=1251458181101203970, tenantId=1146029695717560320, journalId=1251194880429441115, articleId=1251458156577108696, language=CN, label=表5, caption=
在ICEWS14上的跨时间共性有效性分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 任务 | 模型 | MRR | H@1 | H@3 | H@10 |
|---|
| 实体预测 | TR-CTC(random) | 26.16 | 18.69 | 28.91 | 39.80 |
| TR-CTC(cos-sim) | 36.83 | 27.35 | 41.11 | 55.26 |
| TR-CTC | 40.97 | 31.32 | 45.53 | 59.45 |
| 关系预测 | TR-CTC(random) | 42.28 | 29.18 | 47.08 | 70.19 |
| TR-CTC(cos-sim) | 41.82 | 29.48 | 45.65 | 69.27 |
| TR-CTC | 43.98 | 31.58 | 48.91 | 72.70 |
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