PhD dissertation topic
    Text Mining with the Exploitation of User's Background Knowledge

Journal Papers:

Wu, Y. B. and Chen, X., Assessing Students' Learning with Text Processing Techniques. Volume 9 Issue 3, October 2005

Wu, Y. B., Li, Q., Bot, R. and Chen, X. (2005). "Finding Nuggets in Documents: A Machine Learning Approach," Journal for American Society of Information Science and Technology (JASIS&T), March 2005.

Conference Proceedings:

Chen, X. and Wu, Y. B. (2006). Personalized Knowledge Discovery: Mining Novel Association Rules from Text. Proceedings of SIAM SDM'06, April 20-22, 2006, Bethesda, MD, USA

Chen, X. and Wu, Y. B. (2005). Web Mining from Competitors' Websites. Proceedings of KDD'05, August 21-24, 2005, Chicago, IL, USA

Chen, X. and Wu, Y. B. (2005) "Web Mining for Business Intelligence: Discovering Novel Association Rules from Competitors' Websites," IRMA 05, San Diego, California

Chen, X. and Wu, Y. B. (2004) "Knowledge Discovery from Competitors' Websites." Proceedings of the 3rd Workshop on e-Business (WeB2004), Washington, DC

Chen, X. and Wu, Y. B. (2004) "Assessing Student Learning Through Keyword Density Analysis of Online Class Messages," Proceedings of the 2004 American Conference on Information Systems, New York City, NY (Best Paper Award)

Chen, X. and Wu, Y. B. (2004) "Automated Evaluation of Students' Performance by Analyzing Online Messages," Proceedings of IRMA 2004, New Orleans.

Li, Q., Wu, Y. B., Bot, R. S. and Chen, X. (2005). Automatically Finding Significant Topical Terms from Documents. Proceedings of AMCIS'05, Omaha, Nebraska, August 11-14, 2005

Li, Q., Wu, Y. B., Chen, X. and Bot, R. S. (2005). Extracting Conceptual Terms from Medical Documents. Proceedings of AMCIS'05, Omaha, Nebraska, August 11-14, 2005

Wu, Y. B., Bot, R. S., Chen, X. and Li, Q. (2005). Improving Concept Hierarchy Development for Web Returned Documents Using Automatic Classification. ICOMP'05, Las Vegas, USA, June 27-30, 2005

Wu, Y. B., Li, Q., Chen, X. and Bot, R. S. (2005). Learning by Examples: Identifying Key Concepts from Text Using Pre-Defined Inputs. ICAI'05, Las Vegas, USA, June 27-30, 2005

Wu, Y. B. and Chen, X., (2005) "eLearning Assessment Through Textual Analysis of Class Discussions," ICALT'05

Li, Q., Wu, Y. B., Bot, R. S., and Chen, X. (2004) "Incorporating Document Keyphrases in Search Results," Proceedings of the 2004 American Conference on Information Systems, New York City, NY

Wu, Y. B., Li, Q., Bot, R.S. and Chen, X. (2004) "KIP: Keyphrase Identification Program with Learning Functions," Proceedings of ITCC 2004, Las Vegas.

Wu, Y. B. and Chen, X. (2004) "Assessing Distance Learning Students' Performance: A Natural Language Processing Approach to Analyzing Online Class Discussion Messages," Proceedings of ITCC 2004, Las Vegas.

Bot, R. S., Wu, Y. B., Chen, X. and Li, Q. (2004) "A Hybrid Classifier Approach for Web Retrieved Documents Classification," Proceedings of ITCC 2004, Las Vegas.

Wu, Y. B., Shanker, L. and Chen, X. (2003) "Finding More Useful Information Faster from Web Search Results," Proceedings of CIKM 2003, New Orleans, pp. 568-571.

Wu, Y. B., and Chen, X. (2003) "Extracting Features from Web Search Returned Hits for Hierarchical Classification," Proceedings of the 2003 International Conference on Information and Knowledge Engineering (IKE'03), June 23 - 26, 2003, Las Vegas, Nevada, USA, page 103-108

Poster and Demonstration:

Chen, X., Kim, D., Nnadi, N., Shrivastava, P., Bieber, M., Im, I. and Wu, Y.-F. 2002 "Towards Integrating Digital Library Collections and Services," Joint Conferences on Digital Libraries, Washington, DC, demonstration

• Implemented the Content Filtering engine which identifies similar documents in content to a given document.
• Skills used: COM, VC++, ASP, Web Services, XML
• A demo system: http://highlight.njit.edu/ais/

Digital Library Service Integration (DLSI): integrates digital libraries services through structural and lexical links

• Implemented the Lexical Analysis engine which identifies interesting elements from free text and associates them with lexical links to thesauri databases and useful services/resources.
• Skills used: COM, VC++, ASP, Web Services, XML, Java, Java Serverlet, JSP
• A demo system: http://highlight.njit.edu/lexical 
• DLSI: http://hynic.njit.edu 

Concept Hierarchy Developer: extracts noun phrases from documents and develops a dynamic concept hierarchy to facilitate searching and browsing

• Contributed to, in a team, the research of the concept hierarchy developer.
• Developed and maintained the prototype system: a meta-search engine
• Skills used: MS IIS, COM, VC++, ASP, JavaScript
• System link: http://highlight.njit.edu

Keyphrase Identification Program (KIP): extracts domain-specific keyphrases from documents with learning functions

• Contributed to, in a team, the research of the KIP.
• Developed the noun phrase extraction module
• Skills used: MFC
• A demo system: http://highlight.njit.edu/wrlc

Automated Participation Evaluation in Distance Learning Classes: assesses student learning through keyword density mining from online class discussion messages.

• Contributed to, in a team, the research of the evaluation algorithm.
• Developed a program which can download messages and attachments from a WebBoard online system.
• Implemented the participation evaluation algorithm.
• Skill used: VC++, networking programming

The Student Management System: supports the business processes in the Student Administration Office of the Nanjing University.

• Analyzed and Designed the system
• Implemented the System Management module
• Skills used: DFD, VB, Access database

Bailixin Real Estate Management Information System: supports the business processes in Bailixin Real Estate Corporation, Chongqing, China.

• Analyzed and Designed, in a team, the system. Was responsible for the  Marketing subsystem.
• Skills used: VB, MS SQL Server

The Life-Insurance Management System:  supports the business processes in the Life-Insurance Ministry of the Nanjing City, China.

• Worked as a programmer.
• Skills used: PowerBuilder, SQL Anywhere

• Client/Server Systems Development
• Database Design and Application Implementation
• Information Retrieval Systems Design, Deployment, and Evaluation
• Text Mining Systems Design, Deployment, and Evaluation

Programming Languages

• C/C++/VC++, Java, Basic/VB, FoxPro/VFP, Pascal/Delphi

Web Application Development

• CGI, ASP, PHP, JSP, Java Serverlet
• HTML/DHTML, JavaScript, VBScript, Java Applet

CIS 114 – Introduction to Computer Science II: Data Structure and the C++ Implementation (Instructor)

CIS 375 - Applications Development for the World Wide Web (Instructor for Lab Tutorial)