Lei Zhang (张镭)

Ph.D.

Department of Computer Science
University of Illinois at Chicago ( UIC )



Email: lzhang32 AT gmail DOT com 


About Me

I have received Ph.D. degree in Computer Science from UIC. My advisor is Prof. Bing Liu. I received my Master and Bacholer's degree in Computer Science from Wuhan University, China.


Research Interests

My research interests include Opinion Mining / Sentiment Analysis, Text Mining, Data Mining and Machine Learning.


Publications  

  •  Lei Zhang, Bing Liu  "Aspect Extraction for Sentiment Analysis in Social Media", book chapter in Encyclopedia of Social Network Analysis and Mining, Springer, 2016
  • Lei Zhang, Bing Liu. "Sentiment Analysis and Opinion Mining", book chapter in Encyclopedia of Machine Learning and Data Mining, Springer, 2015
  • Lei Zhang, Bing Liu. "Aspect and Entity Extraction for Opinion Mining", book chapter in Data Mining and Knowledge Discovery for Big Data: Methodologies, Challenges, and Opportunities, Springer, 2014 [pdf]  
  • Lifeng Jia, Clement Yu, Weiyi Meng and Lei Zhang. Facet-Driven Blog Feed Retrieval. In Proceeding of the 14th International Conference on Intelligent Text Processing and Computational Linguistics (CICLing 2013)
  • Bing Liu, Lei Zhang.   "A  Survey of Opinion Mining and Sentiment Analysis". book chapter in Mining Text Data,  Kluwer Academic Publishers 2012 [pdf]
  • Lei Zhang, Bing Liu. "Extracting Resource Terms for Sentiment Analysis". In Proceeding of the 5th International Joint Conference on Natural Language Processing (IJCNLP 2011) [pdf]
  • Lei Zhang, Bing Liu. "Identifying Noun Product Features that Imply Opinions". In Proceeding of the 49th Annual Meeting of the Association for Computational Linguistics (ACL 2011) [poster][pdf]
  • Zhongwu Zhai, Bing Liu, Lei Zhang, Hua Xu, Peifa Jia.  "Identifying Evaluative Sentences in Online Discussions" In Proceedings of 25th Conference on Artificial Intelligence (AAAI 2011)
  • Malu Castellanos, Umeshwar Dayal, Meichun Hsu, Riddhiman Ghosh, Mohamed Dekhil, Yue Lu, Lei Zhang, Mark Schreiman. "LCI : A Social Channel Analysis Platform for Live Customer Intelligence" In Proceedings of the 2011 ACM SIGMOD/PODS Conference (SIGMOD 2011)
  • Lei Zhang, Riddhiman Ghosh, Mohamed Dekhil, Meichun Hsu, Bing Liu. "Combining Lexicon-based and Learning-based Methods for Twitter Sentiment Analysis".  Technical Report, HP Labs.[pdf]  
  • Lei Zhang, Bing Liu. "Entity Set Expansion in Opinion Documents".In Proceedings of the 22nd ACM Conference on Hypertext and Hypermedia(HT 2011) [ppt][pdf][demo][data]
  • Malu Castellanos, Riddhiman Ghosh, Yue Lu, Lei Zhang, Perla Ruiz, Mohamed Dekhil, Umeshwar Dayal,Meichun Hsu.  "LivePulse: Tapping Social Media for Sentiments in Real-Time", In Proceedings of the 20th World Wide Web Conference (WWW 2011) [system demo]
  • Lei Zhang, Bing Liu, Suk Hwan Lim, Eamonn O'Brien-Strain. "Extracting and Ranking Product Features in Opinion Documents", In Proceedings of the 23rd International Conference on Computational Linguistics (COLING 2010) [poster] [pdf] [demo]
  • Xiaoli Li, Lei Zhang, Bing Liu, See-Kiong Ng. "Distributional Similarity vs. PU Learning for Entity Set Expansion", In Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics (ACL 2010)
  • Xiaowen Ding, Bing Liu, Lei Zhang. "Entity Discovery and Assignment for Opinion Mining Applications",  In Proceedings of ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD 2009)
  • Lei Zhang, Bing Liu, Jeffrey Benkler, Chi Zhou. "Finding Actionable Knowledge via Automated Comparison", In Proceedings of the 25th International Conference on Data Engineering (ICDE 2009) [ppt][pdf][similar open source application]

Teaching Experience

  • Teaching Assistant ,     Department of Computer Science of UIC, U.S.       August 2006 - May 2007
  • Teaching Assistant ,     Computer School, Wuhan University, China            September 2004 - December 2004
  • Teacher,       Hubei Communications Technical College, China                      March 2004 - July 2004


Working Experience

  • Staff Software Engineer and Data Scientist ,  Linkedin. Mountain View, CA, U.S.  September 2015 - Present
  • Computer Scientist ,  Adobe. San Jose, CA, U.S.  December 2012 -  September 2015
  • Machine Learning Specialist and Software Development Manager ,  E-Commerce,  Sears Holdings Corporation.  Hoffman Estates, IL, U.S.  May 2011 -  December 2012 
  • Research Associate ,    Intelligent Information Management Lab at HP Labs, Palo Alto, CA,  U.S.   May - August  2010
  • Graduate Research Assistant ,    Motorola Labs, Schaumburg, IL, U.S.  May - August 2009
  • Graduate Research Assistant ,   Motorola Labs, Schaumburg, IL, U.S.  May - August 2007
  • Software Engineer,  WHU Firstlink Digital Technology Co., Ltd, Wuhan, Hubei, China.  July 2005 - June 2006                 


Talks

  • "Bussiness Analytics at LinkedIn"   Talk given at Department of EECS, Colorado School of Mine.  April 21, 2016
  • "Multilingual Sentiment Analysis for Social Media : Technologies and ChallengesTalk given at San Francisco Globalization Meetup. July 13, 2015  
  • "Text Analytics for Dig Data"  Talk given at Big Data Forum, iheima.com. March 28, 2015  
  • "Social Media Analytics: Harness Bussiness Intelligence from Big Data"  Talk given at Big Data Forum, Analysys International. Feburary 15, 2015  
  • "NLP in the Era of Big Data: a Practioner's Perspective"     Talk given at Multimedia Communication Center, Wuhan University. Janurary 6, 2015   
  • "Aspect and Entity Extraction from Opinion Documents"    Ph.D. defense presentation. University of Illinois at Chicago.   March 28, 2012  
  • "Opinion Mining : A Multifaceted Problem"     Talk given at Machine Learning Group, Online Bussiness Unit,  Sears Holdings Corporation.  Feburary 16, 2011        


Professional Services

    Invited Reviewer

  

    Program Committee Member

   

    Patent Review Committee Member at Adobe ,   2015           

           

 

My Deployed Softwares

  • WZL-1   an image processing software used in radiographic welding seam inspection system. It was deployed in Wuhan Boiler Company, China. 2004. (core contributor)
  • Firstlink secure videoconferencing system   a secure videoconferencing system basd on H.235 protocol. It was developed in Firstlink Digital Technology Co., Ltd, China, 2006. (main contributor) 
  • Opportunity Map  a data mining software used for analyzing large data sets. It was deployed in Motorola Labs, U.S.  2008. (core contributor)
  • Compare Search  a development and test platform for product search relevancy algorithms. It was deployed in Sears Holdings, 2012. (core contributor) 
  • Sammy   a sentiment analysis system for social media data. It is deployed in Adobe, 2013. (core contributor)        


My Patents

  • Performing Sentiment Analysis   US 20130103385 A1 ; US 20130103386 A1
  • Determining Sentiments of Social Posts Based on User Feedback    (pending by Adobe) 
  • Trending Topic Extraction from Social Media in Real Time  (pending by Adobe)


 

My Research Programs and  Resources

  • Entity Finder   a program used to find product entities from product reviews.
  • Feature Finder   a program used to find product features/aspects from product reviews.
  • Opinion Lexicon    a list of opinion-bearing words (adjectives, adverbs , nouns, verbs and phrases) used for opinion mining and sentiment analysis   


Recent Awards

  • Sears Holdings Innovation Project Reward, 2012 
  • SIGWEB Travel Award, 2011
  •  Presenter's Travel Award, University of Illinois at Chicago  2010, 2011
  •  Graduate Student Council Award, University of Illinois at Chicago  2010, 2011 


Links



Chinese Zodiac (生肖)    The pictures are drawn by my father.

    Mouse (鼠)                     OX (牛)                          Tiger (虎)                         Rabbit(兔)


My son :-)  

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Useful Websites  

  • Booked    a hotel online reservation service. It contains many valuable customer reviews for hotels.  


 Created : September 9, 2010 ;  Last Updated: September 30, 2017

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