徐雅静

徐雅静
北京邮电大学副教授
2003年获得北京邮电大学计算机应用专业工学硕士学位
同年留校任教
2008年获得北京邮电大学信号与系统专业工学博士学位
2008年应邀到美国Montana State University作为访问学者进修

2016年应邀到美国Syracuse University作为访问学者进修

研究方向:
IR智能信息检索、NLP自然语言处理、CV图像识别与应用
– 近年来,在国际国内一级期刊和会议上发表论文累计20余篇,并被SCI、EI等检索。累计申请12项专利,其中4项已获授权
– 目前承担多个国际学术期刊、国内学术期刊的评审专家

项目产品展示

我们重点研究了自然语言理解中的三类技术:1)基于常识的知识图谱和事理图谱建模技术 2)复杂语义消岐技术  3)基于信息抽取和推理的信息精准表示。基于此,我们在情感分析、人机对话、用户画像、个性化推荐、故障预测、大数据分析等方面进行了应用开发。此外,我们在图像识别和检索方面也开展了多项研究,开发了多个产品。代表案例如下。

 图1 研究路线

应用1:基于金融知识图谱和事理图谱的用户画像自动生成系统

通过互联网构建金融知识图谱和金融事理知识图谱,通过词扩展、语义扩展、关系扩展、语义消岐等技术,进行知识推理,计算知识和已有用户特征的关系,得到对业务感兴趣的潜在用户画像。

图2 用户画像自动生成

应用2:大数据分析系统

基于大规模多层次高精度文本分类识别,对数据进行统计分析、趋势分析、时序分析和模式发现,并构建关系网对潜在社区进行发现,生成决策支撑。

图3 大数据分析系统

应用3:基于自动hash编码的以图搜图服装检索系统

基于图像hash编码技术,对待识别图像进行分割预处理,并训练得到每个服装的hash向量,进行快速检索。

图4  服装检索系统

应用4:基于台风图片的定强检索系统

对台风图像进行深度卷积分析,通过训练深度卷积模型,得到细粒度图像的特征向量,计算风级、风速、置信度,并输出相应的检索结果。

图5 台风定强系统

应用5:多媒体指挥调度系统

综合视频电话技术、视频监控技术、广播红外技术、环监技术、告警联动技术、安防技术等,构建的多媒体指挥调度系统,能够自动生成预案,并对紧急情况下事件的全面了解,生成决策支撑。

新建位图图像

图6 多媒体指挥调度系统

代表性论文

  1. Xu Yajing, Li Gongfu*, Xue Chao,Luo Angen,Song Yizhe, Affinity-based human mobility pattern for improved region function discovering[J], Journal of China Universities of Posts and Telecommunications (JCUPT) (English Edition),2016.02
  2.  Li Si, Li Mingzheng, Xu Yajing, Bao Zuyi, Fu Lu, Zhu Yan, Capsules Based Chinese Word Segmentation for Ancient Chinese Medical Books[J], IEEE Access, 2018 Vol 6: 70874-70883
  3. Li Zhichao, Han Yuping, Xu Yajing*,Gao Sheng, Visual relation extraction via multi-modal translation embedding based model[C], 22nd Pacific-Asia Conference on Advances in Knowledge Discovery and Data Mining, PAKDD 2018, Melbourne, Australia, 03-06 June 2018
  4. Li Tong, Gao Sheng , Xu Yajing, Deep Multi-Similarity Hashing for Multi-label Image Retrieval, ACM International on Conference on Information and Knowledge Management. ACM, 2017, Singapore, 06-10 November 2017
  5. Han Yuping, Xu Yajing*,Liu Shishuo, Gao Sheng, Visual Relationship Detection Based on Local Feature and Context Feature[C], In 2018 International Conference on Network Infrastructure and Digital Content, IC-NIDC 2018, GuiYang, P.R. China, 22-24 August 2018
  6. Xu Yajing, Xue Chao*, Li Gongfu, Song Yizhe, Discovering Social Relationship between City Regions using Human Mobility[C], QSHINE 2015
  7. Wang Shan, Xu Yajing*, Gao Sheng, Revealing Functional Regions via Joint Matrix Factorization Based Model[C]. IEEE IC-NIDC 2016, pp.205-209
  8. Luo Angen#, Gao Sheng, Xu Yajing,Deep Semantic Match Model for Entity Linking Using Knowledge Graph and Text,International Conference on Identification, Information & Knowledge in the Internet of Things,2017,Qubu,P.R.China,19-21 October 2017
  9. Hu Jiani, Deng Weihong, Guo Jun, Xu Yajing. Max-K-in Distance Analysis for Dimension Reduction[C], 2014 22nd International Conference on Pattern Recognition, ICPR 2014, August 24-28 2014, Stockholm , Sweden. pp726-731,2014
  10. Xu, Yajing; Gao, Zhe; Xiao, Bo;etc.”Key Nodes Evaluation with Multi-criteria in Complex Networks based on AHP analysis”,In Proceedings of 2013 5th IEEE International Conference on Broadband Network & Multimedia Technology,IC-BMNT2013, November 17-19th 2013 Guilin,China.pp.105-109,2013
  11.  Xu, Yajing; Wan, Shen; Tang, Jian; Wolff, Richard S. “Interference Aware routing and scheduling in wireless backhaul networks with smart antennas” [C], 2009 6th Annual IEEE Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks, SECON 2009 (EI:20094712487708)
  12.  Xu, Yajing; Li, Zhitao; Zhong, Xiufang; Xu, Huimin; “Bandwidth scheduling algorithm based on minimum interference traffic in Mesh mode”[J] , Gaojishu Tongxin/Chinese High Technology Letters, v 18, n 6, p 551-555, June 2008 (EI:20082811368549)
  13. Xu, Ya-Jing; Li, Zhi-Tao; Zhong, Xiu-Fang; Xu, Hui-Min;” Adaptive bandwidth request mechanism for real-time traffic in WiMAX”[J], Beijing Youdian Daxue Xuebao/Journal of Beijing University of Posts and Telecommunications, v 30, n 6, p 56-59, December 2007 (EI:20080511071193)
  14. Xu, Ya-Jing; Yan, Xiao-Dong; Xu, Hui-Min; “Research on DFS algorithm in a dense WLAN environment”[J], Dianzi Keji Daxue Xuebao/Journal of the University of Electronic Science and Technology of China, v 36, n 5, p 892-895, October 2007 (EI:20074710937058)
  15. Xu-Yajing; Tao, Li-Zhi; Fang, Zhong-Xiu; Min, Xu-Hui;” A bandwidth scheduling algorithm based on minimum interference traffic in mesh mode”[J],2007 International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2007, p 822-825 ( EI:20080311027364)
  16. Zhao, Na; Xu, Yajing; Xu, Huimin; ”WAP topology property analysis: Comparison with WWW”, In Proceedings of 4th IEEE International Conference on Broadband Network and Multimedia Technology, IC-BNMT 2011 (EI Index:20121214869308)
  17. Feng, Bo; Xu, Yajing; Zhao, Na; Xu, Huimin;” A new method of mining frequent closed trees in data streams”[J] Proceedings – 2010 7th International Conference on Fuzzy Systems and Knowledge Discovery, FSKD 2010, v 5, p 2245-2249, (EI:20104813422801)
  18. Feng, Bo; Xu, Ya-Jing; Zhao, Na; Xu, Hui-Min” A batch mining algorithm for frequent closed labeled trees in data streams”[J], Beijing Youdian Daxue Xuebao/Journal of Beijing University of Posts and Telecommunications, v 33, n 5, p 121-125, October 2010 (EI:20104813445126)
  19. Li, Zhi-Tao; Xu, Ya-Jing; Liu, Li-Hong; Xu, Hui-Min; ” Design and implementation of available bandwidth measurement in IPv6 networks”[J], Dianzi Keji Daxue Xuebao/Journal of the University of Electronic Science and Technology of China, v 37, n 6, p 922-925, November 2008 (EI:20090211855670)
  20. Li, Zhi-Tao; Xu, Ya-Jing; Liu, Li-Hong; Xu, Hui-Min;” Approach to available bandwidth measurement in IPv6 networks”[J],Dianzi Yu Xinxi Xuebao/Journal of Electronics and Information Technology, v 30, n 9, p 2283-2286, September 2008 (EI:20084111636474)
  21. Li, Zhitao; Xu, Yajing; Liu, Qing; Xu, Huimin;” A novel approach of channel utilization measurement in WLAN”[J],2007 International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2007, p 2173-2176 (EI:20080311027694)

 代表著作

  1. 徐雅静 肖波 等 《数据结构与算法》 2019年2月,北京邮电大学出版社
  2. 徐雅静 肖波 《数据结构与STL(第2版)》 2014年1月,北京邮电大学出版社
  3. 肖波 徐雅静 《数据结构与STL》   2010年9月,北京邮电大学出版社
  4. 徐惠民 徐雅静《大学计算机基础》(第二版)  2009年9月,人民邮电出版社
  5. 徐惠民 徐雅静 《大学计算机基础》 2006年5月,人民邮电出版社
  6. 徐惠民等   《C++大学计算机基础》 2010年9月,人民邮电出版社