禹继国，1972年生，山东泰安人，2004年毕业于山东大学获博士学位。现任曲阜师范大学计算机科学学院副院长，教授，硕士生导师；是中国计算机学会（CCF）高级会员；IEEE会员；中国运筹学会会员；山东省运筹学会理事。作为主要成员参与完成了国家和省部级项目4项。主持完成省部级科研项目2项。2004年获校教学比赛一等奖，2007年获市科技进步二等奖，2008年获省高校优秀科研成果二等奖，2009年获省计算机应用优秀成果二等奖，研究生创新教育省级教学成果二等奖，多次被评为研究生管理先进个人和优秀研究生指导教师。现承担（第2位）省自然科学基金项目2项，和省科技攻关计划项目各一项。指导研究生33名，其中16名已获硕士学位。近年来一直从事无线网络路由协议、对等网络拓扑构造与搜索、近似算法与分布式算法设计、图的匹配与染色理论方面的研究。关于分数因子的有关结果有三篇文章被写入Qinglin Roger Yu和Guizhen Liu的专著《Graph Factor and Matching Extension》中。
近几年发表论文如下：
[1] Jiguo Yu, Wenjun Liu, Jingjing Song, Baoxiang Cao, EEMR: An energy-efficient multi-hop routing protocol for wireless sensor networks， In Proceedings of IEEE/ACS International Conference on Computer Systems and Application (AICCSA) 2008, 291-298. (EI/ISTP)
[2] Jiguo Yu, Wenjun Liu, Jingjing Song, C2WSN: A Two-Tier Chord Overlay Serves for Efficient Queries in Large-Scale Wireless Sensor Networks, In Proceedings of 15th International Conference on Advanced Computing and Communications (ADCOM 2007), 237-242.(EI)
[3] Jiguo Yu, Suxia Cui, Guanghui Wang， An Algorithm with Better Approximation Ratio for Multicast Traffic in Unidirectional SONET/WDM Rings， COCOA 2009, Lecture Notes in Computer Science 5573 Springer, 530-540.(EI/ISTP)
[4] Jiguo Yu, Jingjing Song, Baoxiang Cao, REIK: A Novel P2P Overlay Network with Byzantine Fault Tolerance, skg, pp. 146-151, In Proceedings of Third International Conference on Semantics, Knowledge and Grid 2007.(EI)
[5] Jiguo Yu, Jingjing Song, Wenjun Liu, Li Zhao and Baoxiang Cao, KZCAN: A Kautz based content-addressable network, In Proceedings of Eighth ACIS International Conference on Software Engineering, Artificial Intelligence, Networking, and Parallel/Distributed Computing(SNPD 2007), 299 – 304.(EI)
[6] Jiguo Yu, Qiuju Bian, Guizhen Liu and Na Wang, Some results on fractional n-factor-critical graphs, J. Appl. Math. & Computing, 25(2007) No.1-2, 283-291.(EI)
[7] Yu Jiguo,Liu Guizhen,Ma Meijie and Cao Baoxiang, A degree condition for graphs to have fractional k-factors, Advan. Math., 35(5)(2006), 621-628.
[8] Jiguo Yu, Suxia Cui, Guanghui Wang, Approximating the Multicast Traffic Grooming Problem in Unidirectional SONET/WDM Rings, COCOA 2009, Lecture Notes in Computer Science 5573 Springer, 519-529.(EI/ISTP)
[9] Jiguo Yu, Jingjing Song, Wenjun Liu, Li Zhao and Baoxiang Cao, BGKR: A Novel P2P Network Based on Generalized Kautz and Ring with Constant Congestion, In Proceedings of ChinaCom2007, 50-55.(EI)
[10]Jiguo Yu, Guizhen Liu, Notes on fractional (1,f)-odd factors of graphs, FAW2007, Lecture Notes in Computer Science 4613, 310-316.(EI/ISTP)
[11] Wenjun Liu, Jiguo Yu, Jingjing Song, Xiaoqing Lan, Baoxiang Cao, ERASP: An Efficient and Robust Adaptive Superpeer Overlay Network, In Proceedings of APWeb 2008, 468-474.(EI/ISTP)
[12] Wenjun Liu, Yu Sun, Jiguo Yu, Baoxiang Cao, A Grid-Based Distributed Multi-Hop Routing Protocol for Wireless Sensor Networks, In Proceedings of the 2008 IEEE/IFIP International Conference on Embedded and Ubiquitous Computing (EUC)2008,: 330-336. (EI)
[13]Wenjun Liu, Yue Sun, Yang Bai, Jiguo Yu, Baoxiang Cao, "DCR: An Energy-Efficient Distributed Clustering and Routing Protocol for Wireless Sensor Networks," In Proceedings of International Conference on Communication Software and Network (ICCSN2009), 786-790.
[14] Jiguo Yu, Lihua Han and Guizhen Liu, Some Results on the Classification for f-colored Graphs, ISORA'06, Lecture Notes in Operations Research, 6(2006), 292-298.(ISTP)
[15] Jiguo Yu, Na Wang and Baoxiang Cao, Some Results on fractional covered graphs, ISORA06, Lecture Notes in Operations Research, 6(2006), 334-341.(ISTP)
[16] Jiguo Yu, Na Wang, Xingjian Feng, Guizhen Liu, A note on fractional extendable graphs，Leture Notes in Engineering and Computer Science, IMECS2007, 2270-2273.(ISTP)
[17] Fengyin Li, Jiguo Yu, Hongwei Ju, A New Threshold Group Signature Scheme Based on Discrete Logarithm Problem, In Proceedings of SNPD 2007, 1176-1182. (EI)
[18] Guanghui Wang, Guizhen Liu and Jiguo Yu, Circular list colorings of some graphs, J. Appl. Math. & Computing, 20(1-2) (2006), 149 - 156.(EI)
[19] Yu Jiguo, Diao Kefeng and Liu Guizhen, The Minimum Edge Number of a 4-Uniform Co-Hypergraph, OR Transactions, 10(1)(2006), 95-98.
[20] Yu Jiguo, Wang Guanghui, Liu Guizhen, Girth and circular choosability of series parallel graphs, 数学研究与评论, 29(3)(2006), 495 - 498.
[21] Yu Jiguo, Guizhen Liu, Bian Qiuju, Han Lihua, Connected Factors in 2-connected Claw-free Graphs, Appl. Math., 19(1)( 2006) 169-175.
[22] Yu Jiguo, Wang Na, Bian Qiuju, Liu Guizhen, Some results on fractional deleted graphs, OR Transactions,, 11(2), (2007) 65-72.
[23] Jiguo Yu and Baoxiang Cao, Fractional Matchings of graphs, Lecture Notes in Electrical Engineering, Vol 5, Book Chapter in Advances in Industrial Engineering and Operational Research, Alan H. S. Chan and Sio-long Ao Editors, (2008), 209-226.
[24] Suxia Cui, Jiguo Yu, Baoxiang Cao, On minimizing the number of ADMs—better boundes for an algorithm with preprocessing, In Proceedings of ISORA2008, 219-230.(ISTP)
[25] Jing Qi, Jiguo Yu, Scale-free overlay structures for unstructured peer-to-peer networks, In Proceedings of GCC2008, 369-373.(EI/ISTP)
[26] Xing Li, Jiguo Yu, A novel P2P overlay network based on cycloid and folded hypercube, In Proceedings of GCC2008, 374-379.(EI/ISTP)
[28] Yu Jiguo, Zheng Yongmeng, Zhang Yonghong, 2-Induced-Matching Partition Problem and 2-Induced-Matching Cover Problem of Graphs with Diameter 5 are NP-complete, OR Transactions,, 2009 13(2).
[29] Jingjing Song, Zhaojun Xiang, Jiguo Yu, A Novel Hierarchical Overlay for Structured Peer-to-Peer Network. In Proceedings of ScalCom 2009, 183-188. (EI/ISTP)
[30] Jingjing Song,Jiguo Yu, Zhaojun Xiang, An Efficient Search Algorithm for REIK Overlay Network,In Proceedings ofACIS-ICIS 2009,166-170.(EI/ISTP)
