夏文 副教授 硕士生导师

通讯地址：深圳南山区西丽大学城哈工大校区
电子邮件：xiawen@hit.edu.cn OR wx.hust@gmail.com
联系电话：

个人简介

Wen Xia received his Ph.D. degree in Computer Science from Huazhong University of Science and Technology in June, 2014. His research interests include data deduplication, data compression, storage systems, and cloud storage. He publishes over 30 papers in major journals and conferences including Proceedings of the IEEE (PIEEE), IEEE Transactions on Computers (TC), IEEE Transactions on Parallel and Distributed Systems (TPDS), USENIX ATC, FAST, INFOCOM, MSST, Performance, IPDPS, HotStorage, etc. 

夏文，副教授，硕士生导师，主要研究方向为云存储、云计算、去重压缩等。在存储等相关领域发表论文三十余篇（含中国计算机学会推荐A类13篇，B类7篇），其中包括USENIX ATC（3篇），FAST（2篇），IEEE Trans.（6篇）等，申请专利26项（含授权专利10项），曾获得湖北省科技进步一等奖、中国电子学会优秀博士学位论文奖、湖北省优秀学士论文指导教师、哈尔滨工业大学“青年拔尖人才”、深圳市“孔雀计划”高层次人才等荣誉。针对所在研究方向与工业界EMC（美国）、 NEC（美国）、腾讯、中兴、华为等知名IT公司开展了广泛的合作研究以及技术推广工作，部分研究成果也已被多个国外GitHub开源项目采纳（比如ContentBlockchain, zvault, rdedup, rsroll等）。

欢迎对我的研究方向感兴趣的童鞋报考研究生，具体要求：为人正直，勤奋踏实，有较强的编程、数学、英语能力，以及较为独立的思考能力，也可以提前进入课题组实习，感兴趣的童鞋email联系☺。

也欢迎动手能力强悍，有较为充足课余时间的本科童鞋提前参与课题组科研学习，并参与具体高水平科研项目和学术论文工作，为今后出国深造OR读研OR就业提前打好基础，感兴趣的童鞋email联系☺。

研究方向

Storage systems, cloud computing, data compression, etc

教育经历

2008.09-2014.06  Ph.D. in Computer Science, Huazhong University of Science and Technology (HUST), Wuhan, China. 
2004.09-2008.06  B.S. in Computer Science, Hunan Normal University (HUNNU), Changsha, China,

研究与工作经历

2012.09-2013.03  Research Assistant in Storage System Group of NEC Laboratory American (NEC Labs), NJ, USA. 
2011.12-2012.06.  Visiting Scholar in Computer Science and Engineering, University of Nebraska- Lincoln (UNL), USA.

专业资质与学术兼职

Reviewer：  ACM Transactions on Storage, 
IEEE Transactions on Computers, 
IEEE Transactions on Knowledge and Data Engineering, 
IEEE Transactions on Dependable and Secure Computing, 
Journal of Computer Science and Technology,

科研项目

2016- 2018  National Natural Science Foundation of China (NSFC), No. 61502190

科研成果及奖励

2016  The Chinese Institute of Electronics (CIE) Distinguished PhD Dissertation Award.
2015  Advisor Award for Excellent B.E Thesis in Hubei Province
2015  Excellent Doctorial Dissertation Award of Hubei Province

发明专利

Dan Feng, Wen Xia, and Yu Hua. A Similarity and Locality based Deduplication Scheme. Granted Number: ZL201110127695.6. (Chinese) 

Dan Feng, Wen Xia, Hong Jiang, Lei Tian, and Min Fu. A Data Deduplication Aware Delta Compression Scheme. Granted Number: ZL201210303650.4. (Chinese) 

Dan Feng, Wen Xia, Yucheng Zhang, and Min Fu. A Parallel Chunking Algorithm for Data Deduplication. Application Number: 201410621223.X. (Chinese) 

Dan Feng, Yukun Zhou, Wen Xia, Min Fu, and Fangting Huang. A Secure Data Deduplication Scheme for Backup System. Application Number: 201310301670.2. (Chinese) 

Dan Feng, Yukun Zhou, Wen Xia, Min Fu, and Fangting Huang, Yucheng Zhang, Chunguang Li, A User-Aware Efficient Secure Deduplication Method and System. Application Number: 201510257654.7. (Chinese) 

Cristian Ungureanu, Erik Kruus, Wen Xia. Low-Memory Data Structure For Deduplicated Cache. Application Number: 61/811,271. (USA) 

Dan Feng, Yucheng Zhang, Wen Xia, Min Fu, Fangting Huang, and Yukun Zhou. A Chunking Method based on Asymmetric Extremum for Data Deduplication. Application Number: 201410803454.2. (Chinese) 

Dan Feng, Min Fu, Yu Hua, Wen Xia, Fangting Huang, and Qing Liu. A Fragmentation Elimination Scheme based on Historical Information. Application Number: 201410249181.1. (Chinese)) 

Dan Feng, Min Fu, Yu Hua, Wen Xia, Fangting Huang, and Qing Liu. A Cache Scheme for Data Restore in Deduplication systems . Application Number: 201410249865.1. (Chinese) 

Yu Hua, Dan Feng, Rongyu Lai, Wen Xia, Fangting Huang, Yukun Zhou, and Yucheng Zhang. A Defragmentation Strategy based on Global Statistics for Cloud Backups. Application Number: 201410089576.X. (Chinese) 

论文及著作

Yucheng Zhang, Wen Xia, Dan Feng, Hong Jiang, Yu Hua, Qiang Wang, "Finesse: Fine-Grained Feature Locality based Fast Resemblance Detection for Post-Deduplication Delta Compression", Proceedings of the 17th USENIX Conference on File and Storage Technologies (FAST'19), BOSTON, MA, USA, Feb. 2019. (Acceptance rate: 18%) 

Yukun Zhou, Dan Feng, Wen Xia, Min Fu and Yu Xiao" DARM: A Deduplication-Aware Redundancy Management Approach for Reliable-Enhanced Storage Systems, Accepted by 18th International Conference on Algorithms and Architectures for Parallel Processing(ICA3PP'18), Guangzhou, China, November 15-17th 2018 . 

Pengfei Zuo, Yu Hua, Cong Wang, Wen Xia, Shunde Cao, Yukun Zhou, and Yuanyuan Sun" Mitigating Traffic-based Side Channel Attacks in Bandwidth-efficient Cloud Storage, Accepted by Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS’18), Vancouver, British Columbia, Canada, May 2018. 

Yukun Zhou, Dan Feng, Yu Hua, Wen Xia, Min Fu, Fangting Huang, and Yucheng Zhang " A Similarity-aware Encrypted Deduplication Scheme with Flexible Access Control in the Cloud", Future Generation Comp. Syst. 84: 177-189 (2018). 

Pengfei Zuo, Yu Hua, Yuanyuan Sun, Xue Liu, Jie Wu, Yuncheng Guo, Wen Xia, Shunde Cao, Dan Feng, “Bandwidth and Energy Efficient Image Sharing for Situation Awareness in Disasters”, Accepted and to appear in IEEE Transactions on Parallel and Distributed Systems (TPDS), 2018. 

Chunguang Li, Dan Feng, Yu Hua, Wen Xia, Leihua Qin, Yue Huang, Yukun Zhou, "BAC: Bandwidth-Aware Compression for Efficient Live Migration of Virtual Machines", Proceedings of the 36th IEEE International Conference on Computer Communications (INFOCOM'17), Atlanta, GA, USA, May, 2017, pages: 55-63. (Acceptance: 21%) 

Pengfei Zuo, Yu Hua, Xue Liu, Dan Feng, Wen Xia, Shunde Cao, Jie Wu, Yuanyuan Sun, Yuncheng Guo, "BEES: Bandwidth- and Energy- Efficient Image Sharing for Real-time Situation Awareness", in Proceedings of the 37th International Conference on Distributed Computing Systems (ICDCS'17), Atlanta, GA, USA, June, 2017, pages: 1510-1520. 

Yucheng Zhang, Dan Feng, Hong Jiang, Wen Xia, Min Fu, Fangting Huang, Yukun Zhou, "A Fast Asymmetric Extremum Content Defined Chunking Algorithm for Data Deduplication in Backup Storage Systems", IEEE Transactions on Computers (TC), Vol. 66, No. 2, pp. 199 - 211, 2017. 

Wen Xia, Hong Jiang, Dan Feng, Fred Douglis, Philip Shilane, Yu Hua, Min Fu, Yucheng Zhang, and Yukun Zhou, "A Comprehensive Study of the Past, Present, and Future of Data Deduplication, " in Proceedings of the IEEE (PIEEE), Vol. 104, No. 9, Sep. 2016, pages: 1681-1710. 

Wen Xia, Yukun Zhou, Hong Jiang, Dan Feng, Yu Hua, Yuchong Hu, Yucheng Zhang, Qing Liu, "FastCDC: a Fast and Efficient Content-Defined Chunking Approach for Data Deduplication", in Proceedings of USENIX Annual Technical Conference (USENIX ATC'16), Denver, CO, USA, June 22–24, 2016, pages: 101-114. (Acceptance rate:18%, used by Content Blockchain Project, and the chunking source code is here) 

Wen Xia, Hong Jiang, Dan Feng, and Lei Tian, "DARE: A Deduplication-Aware Resemblance Detection and Elimination Scheme for Data Reduction with Low Overheads", IEEE Transactions on Computers (TC), Vol.65, No.6, June 2016, pages: 1692 - 1705. 

Fangting Huang, Dan Feng, Wen Xia, Wen Zhou, Yucheng Zhang, Min Fu, Chuntao Jiang, Yukun Zhou, “Security RBSG: Protecting Phrase Change Memory with Security-Level Adjustable Dynamic Mapping”, in Proceedings of the 30th IEEE International Parallel & Distributed Processing Symposium (IPDPS’16), Chicago, Illinois, USA, May 23-27, 2016, pages: 1081-1090. (Acceptance rate: 23%) 

Zijin Han, Wen Xia, Yuchong Hu, Dan Feng, Yucheng Zhang, Yukun Zhou, Min Fu, Liang Gu, "DEC: An Efficient Deduplication-Enhanced Compression Approach". In Proceedings of the 22nd IEEE International Conference on Parallel and Distributed Systems (ICPADS'16), Wuhan, China, Dec. 13-16, 2016, pages: 519-526. 

Jianquan Zhang, Dan Feng, Jianlin Gao, Wei Tong, Jingning Liu, Yu Hua, Yang Gao, Caihua Fang, Wen Xia, Feiling Fu, Yaqing Li, "Application-Aware and Software-Defined SSD Scheme for Tencent Large-Scale Storage System". In Proceedings of the 22nd IEEE International Conference on Parallel and Distributed Systems (ICPADS'16), Wuhan, China, Dec. 13-16, 2016, pages: 482-490. 

Wen Xia, Chunguang Li, Hong Jiang, Dan Feng, Yu Hua, Leihua Qin, and Yucheng Zhang, "Edelta: A Word-Enlarging Based Fast Delta Compression Approach", in Proceedings of the 7th USENIX Workshop on Hot Topics in Storage and File Systems (HotStorage'15), Santa Clara, CA, USA, July 6-7, 2015, pages 1-5. (Acceptance rate: 30%) 

Yukun Zhou, Dan Feng, Wen Xia, Min Fu, Fangting Huang, Yucheng Zhang, and Chunguang Li, "SecDep: A User-Aware Efficient Fine-Grained Secure Deduplication Scheme with Multi-Level Key Management", in Proceedings of the 31st International Conference on Massive Storage Systems and Technology (MSST'15), Santa Clara, CA, USA, June 2-5, 2015, pages 1-14. (Acceptance rate: 23%) 

Wen Xia, Hong Jiang, Dan Feng, and Yu Hua, "Similarity and Locality based Indexing for High Performance Data Deduplication", IEEE Transactions on Computers (TC), Vol.64, No.4, April 2015, pages: 1162-1176. 

Min Fu, Dan Feng, Yu Hua, Xubin He, Zuoning Chen, Jingning Liu, Wen Xia, Fangting Huang, and Qing Liu, "Reducing Fragmentation for In-line Deduplication Backup Storage via Exploiting Backup History and Cache Knowledge", IEEE Transactions on Parallel and Distributed Systems (TPDS) , Vol.27, No.3, March 2016, pages: 855-868. 

Min Fu, Dan Feng, Yu Hua, Xubin He, Zuoning Chen, Wen Xia, Yucheng Zhang, and Yujuan Tan, “Design Tradeoffs for Data Deduplication Performance in Backup Workloads”, in Proceedings of the 13th USENIX Conference on File and Storage Technologies (FAST'15), Santa Clara, CA, USA, February 16-19, 2015. USENIX Association, pages: 331-344. (Acceptance rate: 21%) 

Yucheng Zhang, Hong Jiang, Dan Feng, Wen Xia, Min Fu, Fangting Huang, and Yukun Zhou, “AE: An Asymmetric Extremum Content Defined Chunking Algorithm for Fast and Bandwidth-Efficient Data Deduplication”, in Proceedings of the 34th IEEE International Conference on Computer Communications (INFOCOM'15), Hong Kong, China, April 26th - May 1st, 2015, pages: 1337-1345.(Acceptance rate: 19%) 

Wen Xia, Hong Jiang, Dan Feng, Lei Tian, Min Fu, and Yukun Zhou, "Ddelta: A Deduplication-Inspired Fast Delta Compression Approach", in Proceedings of the 32nd International Symposium on Computer Performance, Modeling, Measurements and Evaluation 2014 (IFIP Performance'14), Turin, Italy, October 7-9, 2014, pages: 258-272. ( Acceptance rate: 27%) 

Wen Xia, Hong Jiang, Dan Feng, and Lei Tian, "Combining Deduplication and Delta Compression to Achieve Low-Overhead Data Reduction on Backup Datasets", in Proceedings of IEEE Data Compression Conference 2014 (IEEE DCC'14), Snowbird, Utah, USA, March 26-28, 2014, pages 203–212. 

Min Fu, Dan Feng, Yu Hua, Xubin He, Zuoning Chen, Wen Xia, Fangting Huang, and Qing Liu, "Accelerating Restore and Garbage Collection in Deduplication-based Backup Systems via Exploiting Historical Information", in Proceedings of 2014 USENIX Annual Technical Conference (USENIX ATC'14), Philadelphia, PA, USA: USENIX Association, June 19-20, 2014, pages 181-192. (Acceptance rate: 15%) 

Rongyu Lai, Yu Hua, Dan Feng, Wen Xia, Min Fu, and Yifan Yang, "A Near-exact Defragmentation Scheme to Improve Restore Performance for Cloud Backup Systems", in Proceedings of the 14th International Conference on Algorithms and Architectures for Parallel Processing (ICA3PP'14), Dalian, China, August 24-27, 2014, pages 457- 471. (Acceptance rate: 25%) 

Wen Xia, Hong Jiang, Dan Feng, and Lei Tian, "Accelerating Data Deduplication by Exploiting Pipelining and Parallelism with Multicore or Manycore Processors", Work-In-Progress Report and Poster Session in the 10th USENIX Conference on File and Storage Technologies (USENIX FAST'12), San Jose, CA, USA, February 14-17, 2012, pages 1-2. (Acceptance rate: 25%) 

Wen Xia, Hong Jiang, Dan Feng, Lei Tian, Min Fu, and Zhongtao Wang, "P-Dedupe: Exploiting Parallelism in Data Deduplication System", in Proceedings of the 7th IEEE International Conference on Networking, Architecture, and Storage (IEEE NAS'12), Xiamen, China, June 28-30, 2012, pages 338-347. (Acceptance rate: 29%) 

Wen Xia, Hong Jiang, Dan Feng, and Yu Hua, "SiLo: A Similarity-Locality based Near-Exact Deduplication Scheme with Low RAM Overhead and High Throughput", in Proceedings of The 2011 USENIX Annual Technical Conference (USENIX ATC'11), Portland, OR, USA, June 15-17, 2011, pages 285-298. (Acceptance rate: 15%)