Yajun Yang


杨雅君(Yajun Yang)

副教授

天津大学,智能与计算学部,人工智能学院

地址: 天津市津南区雅观路135号天津大学北洋园校区55楼B505
邮箱: yjyang@tju.edu.cn




个人简介


我目前是天津大学智能与计算学部的副教授,现担任中国计算机学会信息系统专业委员会执行委员,数据库专业委员会通讯委员。 我分别于哈尔滨工业大学计算机科学与技术学院数学与应用数学学院获得博士学位和学士学位。我曾在香港中文大学系统工程管理系担任和澳大利亚格里菲斯大学信息工程学院担任访问学者。本人长期担任 DASFAA、APWEB-WAIM、ICPCSEE、ADMA 等国际重要学术会议程序委员会委员,以及担任 TKDE、WWW、Pattern Recognation、Information Science、ICPP 等国际顶级或重要学术期刊和会议的审稿人。

我们的团队朝气蓬勃,团结奋进。欢迎对图数据管理和图挖掘、图机器学习、社交网络分析感兴趣的同学加入我们的研究团队!!

研究方向


  • 图数据管理、图挖掘、图机器学习
  • 社交网络传播分析与预测
  • 大数据管理与分析

新闻


  • 2023年9月,我们的论文 "Public Opinion Field Effect Fusion in Representation Learning for Trending Topics Diffusion." 被人工智能领域顶级国际学术会议 NeurIPS 2023 (CCF-A) 录用。

  • 2023年8月,我们的论文 "Hierarchical Label Inference Incorporating Attribute Semantics in Attributed Networks." 被数据挖掘领域顶级国际学术会议 ICDM 2023 (CCF-B) 录用。

  • 2023年5月,祝贺张航同学硕士期间的研究成果"某类multi-cost网络优化路径问题的NP难性证明." 获得起硕基础研究奖学金(学生系列仅1人获得)。

  • 2023年3月,祝贺普林发同学硕士研究生毕业,入职腾讯金融科技(深圳)。

  • 2023年3月,祝贺张航同学硕士研究生毕业,入职天津国税局。

  • 2023年2月, 我们的论文 "An Effective Index Method for Historical Reachability Queries over Evolving Graphs." 被数据库领域旗舰级学术会议 SIGMOD 2023 (CCF-A) 录用.

  • 2022年6月,我们的论文 "MLI: A multi-level inference mechanism for user attributes in social networks." 被数据挖掘领域顶级学术期刊 TOIS (CCF-A) 录用。

论文发表(第一作者或通讯作者)


  1. [SIGMOD'23]  Yajun Yang, Hanxiao Li, Xiangjv Zhu, Junhu Wang, Xin Wang*, Hong Gao. An Effective Index Method for Historical Reachability Queries over Evolving Graphs. The 2023 ACM SIGMOD/PODS International Conference on Management of Data (SIGMOD 2023) (CCF推荐A类会议), 2023. [PDF][Bibtex]
  2. [TOIS'23]  Hang Zhang, Yajun Yang*, Xin Wang, Hong Gao, Qinghua Hu. MLI: A Multi-level Inference Mechanism for User Attributes in Social Networks. ACM Transactions on Information Systems (TOIS 2023) (CCF推荐A类期刊), 2023. [PDF][Bibtex]
  3. [DASFAA'23]  Tianbao Wang, Yajun Yang*, Qinghu Hu, Hong Gao. MRSCN: A GNN-based Model for Mining RelatIOnship Strength Changes between Nodes in Dynamic Networks. Database Systems for Advanced Applications - 28th International Conference (DASFAA 2023) (CCF推荐B类会议), 2023. [PDF][Bibtex]
  4. [IOTJ'22]  Jiawen Chen, Yajun Yang*, Chenyang Wang, Heng Zhang, Chao Qiu, Xiaofei Wang. Multitask Offloading Strategy Optimization Based on Directed Acyclic Graphs for Edge Computing. IEEE Internet of Things Journal (SCI一区), 2022, 9(12): 9367-9378. [PDF][Bibtex]
  5. [KBS'22]  Pengkai Liu, Xin Wang, Qiang Fu, Yajun Yang, Yuan-Fang Li, Qingpeng Zhang. KGVQL: A knowledge graph visual query language with bidirectional transformations. Knowledge-Based Systems (SCI二区), 2022, 250: 108870. [PDF][Bibtex]
  6. [ICME'22]  Mingyu Ma, Dongwei Ren, Yajun Yang*. Integrating Degradation Learning into Image Restoration. IEEE International Conference on Multimedia and Expo (ICME 2022, oral presentation) (CCF推荐B类会议), 2022. [PDF][Bibtex]
  7. [GLOBALCOM'22]  Sheng Lin, Chao Qiu, Jingchao Tan, Xiaofei Wang, Yajun Yang, Ying He, Jing Jiang. DADEs: 5G Dual-Adaptive Delay-aware and Energy-saving System with Tandem Learning. IEEE Global Communications Conference (GLOBALCOM 2022) (CCF推荐C类会议), 2022. [PDF][Bibtex]
  8. [WWWJ'21]  Yajun Yang, Hang Zhang, Hong Gao, Xin Wang*. An Efficient Index Method for the Optimal Path Query over Multi-cost Networks. World Wide Web (CCF推荐B类期刊), 2021, 24(2): 697-719. [PDF][Bibtex]
  9. [DASFAA'21]  Hang Zhang, Yajun Yang*, Xin Wang, Hong Gao, Qinghua Hu, Dan Yin. A Multilevel Inference Mechanism for User Attributes over Social Networks. Database Systems for Advanced Applications - 26th International Conference (DASFAA 2021) (CCF推荐B类会议), 2021. [PDF][Bibtex]
  10. [APWEB-WAIM'20]  Zian Pan, Yajun Yang*, Qinghua Hu. An Index Method for the Shortest Path Query on Vertex Subset for the Large Graphs. Web and Big Data - 4th International Joint Conference (APWeb-WAIM 2020) (CCF推荐C类会议), 2020. [PDF][Bibtex]
  11. [APWEB-WAIM'20]  Xingya Liang, Fuxiang Zhang, Xin Liu, Yajun Yang*. IterG: An Iteratively Learning Graph Convolutional Network with Ontology Semantics. Web and Big Data - 4th International Joint Conference (APWeb-WAIM 2020) (CCF推荐C类会议), 2020. [PDF][Bibtex]
  12. [软件学报'19]  LI Zhong-Fei, YANG Ya-Jun*, WANG Xin. Rule Based Shortest Path Query Algorithm. (In Chinese). Journal of Software (CCF推荐A类中文期刊), 2019. [PDF]
  13. [软件学报'19]  WANG Xin, XU Qiang, CHAI Le-Le, YANG Ya-Jun*, CHAI Yun-Peng. Efficient Distributed Query Processing on Large Scale RDF Graph Data. (In Chinese). Journal of Software (CCF推荐A类中文期刊), 2019. [PDF]
  14. [DSE'19]  Xin Wang, Lele Chai, Qiang Xu, YANG Ya-Jun*, Jianxin Li, Junhu Wang, Yunpeng Chai. Efficient Subgraph Matching on Large RDF Graphs Using MapReduce. Data Science and Engineering (CCF推荐C类期刊), 2019, 4(1): 24-43. [PDF][Bibtex]
  15. [WISE'19]  Baozhu Liu, Xin Wang, Yajun Yang, Yunpeng Chai. OntoDS: An Ontology-Aware Distributed Storage Scheme for RDF Graphs. Web Information Systems Engineering - 20th International Conference (WISE 2019) (CCF推荐C类会议), 2019. [PDF][Bibtex]
  16. [APWEB-WAIM'18]  Muxi Leng, Yajun Yang*, Junhu Wang, Qinghua Hu, Xin Wang. Finding the K Nearest Objects over Time Dependent Road Networks. Web and Big Data - 2nd International Joint Conference (APWeb-WAIM 2018) (CCF推荐C类会议), 2018. [PDF][Bibtex]
  17. [APweb'16]  Jing Pan, Yajun Yang*, Qinghua Hu, Hong Shi. A Label Inference Method Based on Maximal Entropy Random Walk over Graphs. The 18th Asia Pacific Web Conference (APWeb 2016) (CCF推荐C类会议), 2016. [PDF][Bibtex]
  18. [VLDB'14]  Yajun Yang, Hong Gao, Jeffrey Xu Yu*, Jianzhong Li. Finding the Cost-Optimal Path with Time Constraint over Time-Dependent Graphs. The 40th International Conference on Very Large Databases (VLDB 2014) (CCF推荐A类会议), 2014. [PDF][Bibtex]
  19. [WWWJ'14]  Yajun Yang, Jeffrey Xu Yu*, Hong Gao, Jianzhong Li. Mining Most Frequently Changing Component in Evolving Graphs. World Wide Web, (CCF推荐B类期刊), 2014,17(3): 351-376. [PDF][Bibtex]
  20. [WAIM'14]  Xin Wang, Guozheng Rao, Longxiang Jiang, Xuedong Lyu, Yajun Yang, Zhiyong Feng. TraPath: Fast Regular Path Query Evaluation on Large-Scale RDF Graphs. Web-Age Information Management - 15th International Conference (WAIM 2014) (CCF推荐C类会议), 2014. [PDF][Bibtex]
  21. [CIKM'12]  Yajun Yang, Jeffrey Xu Yu*, Hong Gao, Jianzhong Li.. Finding the Optimal Path over Multi-Cost Graphs.. In Proceedings of the 21st ACM International Conference on Information and Knowledge Management. (CIKM 2012) (CCF推荐B类会议), 2012. [PDF][Bibtex]
  22. [计算机学报'12]  YANG Ya-Jun, GAO Hong*, LI Jian-Zhong. Optimal Path Query Based on Cost Function over Multi-Cost Graphs. (In Chinese). Chinese Journal of Computers. (CCF推荐A类中文期刊), 2012, 35(10): 2147-2158. [PDF]
  23. [计算机学报'12]  YANG Ya-Jun, GAO Hong*, LI Jian-Zhong. Finding the Optimal Path under Time-Dependent Cost Function on Graphs. (In Chinese). Chinese Journal of Computers, (CCF推荐A类中文期刊), 2012, 35(11): 2247-2264. [PDF]
  24. [CWSN'11]  Yajun Yang, Hong Gao*, Jianzhong Li, Shengfei Shi. A Distributed and Kernal Based Scheme for Location Verification in Wireless Sensor Networks. (In English). The 5th Chinese Conference on Wireless Sensor Networks (CWSN), 2011. Best Paper Award.

研究项目


  • 社交媒体敏感热点内容传播动力学研究,人民网全国重点实验室共建课题,97万元,课题负责人。
  • 基于复杂网络的协同智能计算和边缘自治优化方法,国家重点研发计划子课题,81万元,课题负责人。
  • 大规模动态图中不稳定子结构挖掘算法研究,国家自然科学基金,24万元,课题负责人。

课程