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Artificial Intelligence Laboratory

Conference Publications

The Artificial Intelligence Laboratory has hosted and sponsored a number of international conferences and workshops including the IEEE Intelligence and Security Informatics (ISI) conferences and the Biosurveillance and Biosecurity workshops. Below are listed papers presented at these and other conferences by AI Lab members.



Dr. Henry Lee addresses
the audience during his
keynote speech at ISI 2008.

2013

V. Benjamin, W. Chung, A. Abbasi, J. Chuang, C. A. Larson, H. Chen, “Evaluating Text Visualization: An Experiment in Authorship Analysis,” Proceedings of 2013 IEEE International Conference on Intelligence and Security Informatics, ISI 2013, Seattle, Washington, June 4-7.

V. Benjamin, H. Chen, “Machine Learning for Attack Vector Identification in Malicious Source Code,” Proceedings of 2013 IEEE International Conference on Intelligence and Security Informatics, ISI 2013, Seattle, Washington, June 4-7.

2012

H. Chen, “Dark Web: Exploring and Mining the Dark Side of the Web,” International Conference of Formal Concept Theory (ICFCA), Belgium, May 7-10, 2012.

H. Chen, “From Dark Web to GeoPolitical Web: Exploring the Value of Social Media Informatics,”European Intelligence and Security Informatics Conference (EISIC), Denmark, August 20-24, 2012.

C. Yang, H. Chen, H. Wactlar, C. Combi, and X. Tang, SHB 2012: International Workshop on Smart Health and Wellbeing. ACM International Conference on Information and Knowledge Management,(CIKM), Hawaii, October 29-November 2, 2012.

V. Benjamin and H. Chen, “Securing Cyberspace: Identifying Key Actors in Hacker Communities,” Proceedings of 2012 IEEE International Conference on Intelligence and Security Informatics, ISI 2012, Washington, DC, June 2012.

D. Zimbra and H. Chen, “Scalable Sentiment Classification across Multiple Dark Web Forums,” IEEE International Conference on Intelligence and Security Informatics, ISI 2012, Washington, DC, June 2012.

M. Yang and H. Chen, “Partially Supervised Learning for Radical Opinion Identification in Hate Group,” Proceedings of 2012 IEEE International Conference on Intelligence and Security Informatics, ISI 2012, Washington, DC, June 2012.

J. Woo and H. Chen, “A Event-Driven SIR Model for Topic Diffusion in Web Forums,” Proceedings of 2012 IEEE International Conference on Intelligence and Security Informatics, ISI 2012, Washington, DC, June 2012.

P. Hu, D. Wan, Y. Dang, C. Larson, and H. Chen, “Evaluating an Integrated Forum Portal for Terrorist Surveillance and Analysis,” Proceedings of 2012 IEEE International Conference on Intelligence and Security Informatics, ISI 2012, Washington, DC, June 2012.

S. Kaza and H. Chen, “Using Burst Detection Techniques to Identify Suspicious Vehicular Traffic at Border Crossings,” Proceedings of 2012 IEEE International Conference on Intelligence and Security Informatics, ISI 2012, Washington, DC, June 2012.

2011

H. Chen, C. Larson, T. Elhourani, D. Zimbra, and D. Ware, “The GeoPolitical Web: Assessing Societal Risk in an Uncertain World,” Proceedings of 2011 IEEE International Conference on Intelligence and Security Informatics, ISI 2011, Beijing, China, July 2011.

H. Chen, D. Denning, N. Roberts, C. Larson, X. Yu, and C. Huang, “The Dark Web Forum Portal: From Multi-lingual to Video,” Proceedings of 2011 IEEE International Conference on Intelligence and Security Informatics, ISI 2011, Beijing, China, July 2011.

S. Zeng, M. Lin, and H. Chen, “Dynamic User-level Affect Analysis in Social Media: Modeling Violence in the Dark Web,” Proceedings of 2011 IEEE International Conference on Intelligence and Security Informatics, ISI 2011, Beijing, China, July 2011.

J. Woo, J. Son, and H. Chen, “An SIR Model for Violent Topic Diffusion in Social Media,” Proceedings of 2011 IEEE International Conference on Intelligence and Security Informatics, ISI 2011, Beijing, China, July 2011.

2010

Y. Zhang, S. Zeng, C. Huang, L. Fan, X. Yu, Y. Dang, C. Larson, D. Denning, N. Roberts, and H. Chen, “Developing a Dark Web Collection and Infrastructure for Computational and Social Sciences,” Proceedings of 2010 IEEE International Conference on Intelligence and Security Informatics, ISI 2010, Vancouver, Canada, May 2010.

D. Zimbra and H. Chen, “Comparing the Virtual Linkage Intensity and Real World Proximity of Social Movements,” Proceedings of 2010 IEEE International Conference on Intelligence and Security Informatics, ISI 2010, Vancouver, Canada, May 2010.

Y. Ku, C. Chiu, Y. Zhang, L. Fan, and H. Chen, “Global Disease Surveillance using Social Media: HIV/AIDS Content Intervention in Web Forums,” Proceedings of 2010 IEEE International Conference on Intelligence and Security Informatics, ISI 2010, Vancouver, Canada, May 2010.

2009

Y. Zhang, Y. Dang, and H. Chen, "Gender Difference Analysis of Political Web Forums: An Experiment on an International Islamic Women's Forum," in Proceedings of the IEEE International Intelligence and Security Informatics Conference (Dallas, Texas, June 8-11, 2009).

Y. Zhang, S. Zeng, L. Fan, Y. Dang, C. Larson, and H. Chen, "Dark Web Forums Portal: Searching and Analyzing Jihadist Forums," in Proceedings of the IEEE International Intelligence and Security Informatics Conference (Dallas, Texas, June 8-11, 2009).

H. Chen, "IEDs in the Dark Web: Lexicon Expansion and Genre Classification," in Proceedings of the IEEE International Intelligence and Security Informatics Conference (Dallas, Texas, June 8-11, 2009).

T. Fu, C. Huang, and H. Chen, "Identification of Extremist Videos in Online Video Sharing Sites," in Proceedings of the IEEE International Intelligence and Security Informatics Conference (Dallas, Texas, June 8-11, 2009).

H. Lu, N. W. Huang, Z. Zhang, and T.-J. Chen, "Identifying Firm-specific Risk Statements in News Articles," in Proceedings of the Pacific Asian Workshop in Intelligence and Security Informatics (PAISI) (Bangkok, Thailand, April 2009). Springer; Lecture Notes in Computer Science, 5477.

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2008

H. Chen and the Dark Web Team (2008). "IEDs in the Dark Web: Genre Classification of Improvised Explosive Device Web Pages," in Proceedings of the IEEE International Intelligence and Security Informatics Conference (Taipei, Taiwan, July 17-20, 2008). Springer Lecture Notes in Computer Science.

H. Chen and the Dark Web Team (2008). "Discovery of Improvised Explosive Device Content in the Dark Web," in Proceedings of the IEEE International Intelligence and Security Informatics Conference (Taipei, Taiwan, July 17-20, 2008). Springer Lecture Notes in Computer Science.

H. Chen and the Dark Web Team (2008). "Sentiment and Affect Analysis of Dark Web Forums: Measuring Radicalization on the Internet, " in Proceedings of the IEEE International Intelligence and Security Informatics Conference (Taipei, Taiwan, July 17-20, 2008). Springer Lecture Notes in Computer Science.

H. Chen, S. Thoms, T. Fu. "Cyber Extremism in Web 2.0: An Exploratory Study of International Jihadist Groups," in Proceedings of the 2008 IEEE Intelligence and Security Informatics Conference, Taiwan, June 17-20, 2008.

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2007

A. Abbasi and H. Chen. (2007). "Categorization and analysis of text in computer mediated communication archives using visualization," in Ray Larson, Edie Rasmussen, Shigeo Sugimoto and Elaine Toms, eds., Proceedings of the 2007 Joint Conference on Digital Libraries (JCDL), Vancouver, BC, Canada, June 18-23, 2007, p. 11-18.

X. Li, H. Chen, Z. Zhang, J. Li. "Automatic patent classification using citation network information: an experimental study in nanotechnology," in Ray Larson, Edie Rasmussen, Shigeo Sugimoto and Elaine Toms, eds., Proceedings of the 2007 Joint Conference on Digital Libraries (JCDL), Vancouver, BC, Canada, June 18-23, 2007, p. 419-427.

T. Fu, A. Abbasi, and H. Chen. (2007). "Interaction coherence analysis for Dark Web forums," in Gheorghe Muresan, Tayfur Altiok, Banjamin Melamed, and Daniel Zeng., Proceedings of the 2007 IEEE Intelligence and Security Informatics Conference, New Brunswick, NJ, May 23-24, p. 342-349.

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2006

B. Marshall, and H. Chen, "Using Importance Flooding to Identify Interesting Networks of Criminal Activity", Proceedings of the IEEE International Conference on Intelligence and Security Informatics (ISI-2006), May 23-24, 2006, San Diego, U.S.A. Springer. Pgs. 14-25.

A. Abbasi and H. Chen, "Visualizing Authorship for Identification," Proceedings of the IEEE International Conference on Intelligence and Security Informatics (ISI-2006), May 23-24, 2006, San Diego, U.S.A. Springer. Pgs. 60-71.

P. Yan, D. Zeng, and H. Chen, "A Review of Public Health Syndromic Surveillance Systems," Proceedings of the IEEE International Conference on Intelligence and Security Informatics (ISI-2006), May 23-24, 2006, San Diego, U.S.A. Springer. Pgs. 249-260.

S. Kaza, Y. Wang, and H. Chen, "Suspect Vehicle Identification for Border Safety with Modified Mutual Information." Proceedings of the IEEE International Conference on Intelligence and Security Informatics (ISI-2006), May 23-24, 2006, San Diego, U.S.A. Springer. Pgs. 308-318.

J. Xu, H. Chen, Y. Zhou, J. Qin, "On the Topology of the Dark Web of Terrorist Groups." Proceedings of the IEEE International Conference on Intelligence and Security Informatics (ISI-2006), May 23-24, 2006, San Diego, U.S.A. Springer. Pgs. 367-376.

G. Wang, H. Chen, and H. Atabakhsh, "A Multi-layer Naïve Bayes Model for Approximate Identity Matching," Proceedings of the IEEE International Conference on Intelligence and Security Informatics (ISI-2006), May 23-24, 2006, San Diego, U.S.A. Springer. Pgs. 479-484.

J.-H. Wang, T.J. Fu, H.-H. Lin, and H. Chen, "A Framework for Exploring Gray Web Forums: Analysis of Forum-Based Communities in Taiwan." Proceedings of the IEEE International Conference on Intelligence and Security Informatics (ISI-2006), May 23-24, 2006, San Diego, U.S.A.. Springer. Pgs. 479-484.

J. Ma, D. Zeng, and H. Chen. "Spatial-Temporal Cross-Correlation Analysis: A New Measure and a Case Study in Infectious Disease Informatics." Proceedings of the IEEE International Conference on Intelligence and Security Informatics (ISI-2006), May 23-24, 2006, San Diego, U.S.A.. Springer. Pgs. 542-547.

A. Salem, E. Reid, and H. Chen. "Content Analysis of Jihadi Exgremist Groups Videos." Proceedings of the IEEE International Conference on Intelligence and Security Informatics (ISI-2006), May 23-24, 2006, San Diego, U.S.A.. Springer. Pgs. 615-620.

Y. Zhou, J. Qin, G. Lai, E. Reid, and H. Chen. "Exploring the Dark Side of the Web: Collection and Analysis of U.S. Extremist Online Forums." Proceedings of the IEEE International Conference on Intelligence and Security Informatics (ISI-2006), May 23-24, 2006, San Diego, U.S.A.. Springer. Pgs. 615-620.

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2005

R. Schumaker, and "Textual Analysis of Stock Market Prediction Using Financial News Articles," 12th Americas Conference on Information Systems (AMCIS-2006), Aug 2006. Acapulco, Mexico

D. McDonald, H. Chen, and R. Schumaker, "Transforming Open-Source Documents to Terror Networks: The Arizona TerrorNet," American Association for Artificial Intelligence Conference Spring Symposia (AAAI-2005), March 2005. Stanford, CA

G. Wang, H. Atabakhsh, T. Petersen, H. Chen, "Discovering Identity Problems: A Case Study," In Proceedings of the Intelligence and Security Informatics: IEEE International Conference on Intelligence and Security Informatics (ISI 2005), Atlanta, GA, USA, May 19-20, 2005

S. Kaza, B. Marshall, J. Xu, A. Wang, H. Gowda, H. Atabakhsh, T. Petersen, C. Violette, and H. Chen, "BorderSafe: Cross-Jurisdictional Information Sharing, Analysis, and Visualization," IEEE International Conference on Intelligence and Security Informatics (ISI), Atlanta, GA, 2005.

S. Kaza, T. Wang, H. Gowda, and H. Chen, "Target Vehicle Identification for Border Safety using Mutual Information," 8th International IEEE Conference on Intelligent Transportation Systems, Vienna, Austria, 2005.

S. Kaza, J. Xu, and H. Chen, "Topological Analysis of Criminal Activity Networks in Multiple Jurisdictions," The National Conference on Digital Government Research (DGO), Atlanta, GA, 2005.

H. Chen, H. Atabakhsh, C. Tseng, B. Marshall, S. Kaza, S. Eggers, H. Gowda, A. Shah, T. Petersen, and C. Violette, "Visualization in law enforcement," CHI '05 extended abstracts on Human factors in computing systems, Portland, OR, USA, 2005.

J. Xu, B. Marshall, S. Kaza, and H. Chen, "Analyzing and Visualizing Criminal Network Dynamics: A Case Study," IEEE Conference on Intelligence and Security Informatics (ISI), Tucson, AZ, 2004.

Byron Marshall , Karin Quiñones, Hua Su, Shauna Eggers, and Hsinchun Chen "Visualizing Aggregated Biological Pathway Relations"
Proceedings of the 2005 Joint ACM/IEEE Conference on Digital Libraries (JCDL 2005), June 7-11 , Denver, CO, 2005.

Byron Marshall , Hua Su, Dan McDonald, and Hsinchun Chen, "Linking Ontological Resources Using Aggregatable Substance Identifiers to Organize Extracted Relations"
Pacific Symposium on Biocomputing, Jan 4-8, 2005, Big Island , Hawaii.

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2004

B. Marshall, S. Kaza, J. Xu, H. Atabakhsh, T. Petersen, C. Violette, and H. Chen, "Cross-Jurisdictional Criminal Activity Networks to Support Border and Transportation Security," 7th International IEEE Conference on Intelligent Transportation Systems, Washington D.C., 2004.

B. Marshall, T. Madhusudan. "Element matching in concept maps," Proceedings of the fourth ACM and IEEE Joint Conference on Digital Libraries (JCDL-2004), June 7-11, Tucson, AZ.

J Qin, Y. Zhou, and M.l Chau, "Building domain-specific web collections for scientific digital libraries: a meta-search enhanced focused crawling method." Proceedings of the fourth ACM and IEEE Joint Conference on Digital Libraries (JCDL-2004), June 7-11, Tucson, AZ.

W. Chung, L. Chaboya, C. O'Toole, and H. Atabakhsh. "An evaluation methodology for coordinated event visualization in digital libraries." Proceedings of the fourth ACM and IEEE Joint Conference on Digital Libraries (JCDL-2004), June 7-11, Tucson, AZ.

D. Zeng, H. Chen, C. Tseng, C. Larson, M. Eidson, I. Gotham, C. Lynch, and M. Ascher. "West Nile Virus and Botulism Portal: A Case Study in Infectious Disease Informatics." Proceedings of the Second Symposium on Intelligence and Security Informatics (ISI 2004), June 10-11, 2004, Tucson, AZ, U.S. Springer. Pgs. 28-41.

E. Reid, J. Qin, W. Chung, J. Xu, Y. Zhou, R. Schumaker, M. Sageman, and H. Chen. "Terrorism Knowledge Discovery Project: A Knowledge Discovery Approach to Addressing the Threats of Terrorism." Proceedings of the Second Symposium on Intelligence and Security Informatics (ISI 2004), June 10-11, 2004, Tucson, AZ, U.S. Springer. Pgs. 125-145.

J. Xu, B. Marshall, S. Kaza, and H. Chen, "Analyzing and Visualizing Criminal Network Dynamics: A Case Study." Proceedings of the Second Symposium on Intelligence and Security Informatics (ISI 2004), June 10-11, 2004, Tucson, AZ, U.S. Springer. Pgs. 359-378.

H. Atabakhsh, C. Larson, T. Petersen, C. Violette, and H. Chen. "Information Sharing and Collaboration Policies within Government Agencies." Proceedings of the Second Symposium on Intelligence and Security Informatics (ISI 2004), June 10-11, 2004, Tucson, AZ, U.S. Springer. Pgs. 467-475.

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2003

C.Q. Yin, L.D. Nickels, C.Z. Chen, T. G. Ng, and H. Chen " DGPort: A Web Portal for Digital Government " Presented at dg.o2003, Digital Government Conference, May 18-21, 2003, Boston, MA

G. Leroy H. Chen, J. D. Martinez, S. Eggers, R. R. Falsey, K. L. Kislin, Z. Huang, J. Li, J. Xu, D. M. McDonald, and G. Ng "Genescene: Biomedical Text and Data Mining", Presented at the Third ACM and IEEE Joint Conference on Digital Libraries (JCDL-2003), Houston, May 2003.

B. Marshall, Y. Zhang, H. Chen, A. Lally, R. Shen, E. Fox and L. Cassel "Convergence of Knowledge Management and E-Learning: the GetSmart Experience," Presented at the Third ACM and IEEE Joint Conference on Digital Libraries (JCDL-2003), Houston, May 2003.

R. Zheng, Y. Qin, Z. Huang, and H. Chen, "Authorship Analysis in Cybercrime Investigation." Proceedings of the First NSF/NIJ Symposium on Intelligence and Security Informatics (ISI 2003), June 2-3, 2003, Tucson, AZ, U.S. Springer. Pgs. 59-73.

J. Schroeder, J. Xu, and H. Chen, "CrimeLink Explorer: Using Domain Knowledge to Facilitate Automated Crime Association Analysis." Proceedings of the First NSF/NIJ Symposium on Intelligence and Security Informatics (ISI 2003), June 2-3, 2003, Tucson, AZ, U.S. Springer. Pgs. 168-180.

T. Buetow, L. Chaboya, C. Toole, T. Cushna, D. Daspit, T. Petersen, H. Atabakhsh, and H. Chen. "A Spatio Temporal Visualizer for Law Enforcement." Proceedings of the First NSF/NIJ Symposium on Intelligence and Security Informatics (ISI 2003), June 2-3, 2003, Tucson, AZ, U.S. Springer. Pgs. 181-194.

P. Hu, C. Lin, and H. Chen. "Examining Technology Acceptance by Individual Law Enforcement Officers: An Exploratory Study." Proceedings of the First NSF/NIJ Symposium on Intelligence and Security Informatics (ISI 2003), June 2-3, 2003, Tucson, AZ, U.S. Springer. Pgs. 209-222.

J. Xu and H. Chen, "Untangling Criminal Networks: A Case Study." Proceedings of the First NSF/NIJ Symposium on Intelligence and Security Informatics (ISI 2003), June 2-3, 2003, Tucson, AZ, U.S. Springer. Pgs. 232-248.

J. L. Zhao, H. Bi, and H. Chen. "Collaborative Workflow Management for Interagency Crime Analysis." Proceedings of the First NSF/NIJ Symposium on Intelligence and Security Informatics (ISI 2003), June 2-3, 2003, Tucson, AZ, U.S. Springer. Pgs. 266-280.

D. Zeng, H. Chen, D. Daspit, F. Shan, S. Nandiraju, M. Chau, and C. Lin. "COPLINK Agent: An Architecture for Information Monitoring and Sharing in Law Enforcement." Proceedings of the First NSF/NIJ Symposium on Intelligence and Security Informatics (ISI 2003), June 2-3, 2003, Tucson, AZ, U.S. Springer. Pgs. 281-295.

W. Chang, W. Chung, H. Chen, and S. Chou. "An International Perspective on Fighting Cybercrime." Proceedings of the First NSF/NIJ Symposium on Intelligence and Security Informatics (ISI 2003), June 2-3, 2003, Tucson, AZ, U.S. Springer. Pgs. 379-384.

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2002

Z. Huang, W. Chung, T.-H. Ong and H. Chen, A Graph-Based Recommender System for Digital Library, in: Proceedings of the Second ACM/IEEE-CS Joint Conference on Digital Libraries (JCDL'02), Portland, Oregon, July 14-18, 65-73, (2002).

G. Leroy and H. Chen, "MedTextus: An Ontology-enhanced Medical Portal," presented at the Workshop on Information Technology and Systems (WITS), Barcelona, December 2002.

Michael Chau, H. Chen, Jialun Qin, Yilu Zhou, Yi Qin, Wai-Ki Sung, Daniel McDonald, "Comparison of Two Approaches to Building a Vertical Search Tool: A Case Study in the Nanotechnology Domain," Proceedings of the Second ACM/IEEE-CS Joint Conference on Digital Libraries (JCDL'02), Portland, Oregon, July 14-18, 2002.

G. Leroy and H. Chen, "Filling Preposition-based Templates to Capture Information from Medical Abstracts," presented at the Pacific Symposium on Biocomputing, Kaua’i, pp 350-361, January, 2002.

M. Chau, H. Chen, J. Qin, Y. Zhou, W.-K. Sung, M. Chen, Y. Qin, D. McDonald, A. Lally, M. Landon, "NanoPort: A Web Portal for Nanoscale Science and Technology," Proceedings of the Second ACM/IEEE-CS Joint Conference on Digital Libraries (JCDL'02), Portland, Oregon, July 14-18, 2002.

M. Chau, J. Xu, H. Chen, "Extracting Meaningful Entities from Police Narrative Reports," in Proceedings of the second National Conference on Digital Government Research, May 2002, Los Angeles CA.

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2001

M. Chau, D. Zeng, and H. Chen, "Personalized Spiders for Web Search and Analysis," Proceedings of the First ACM/IEEE-CS Joint Conference on Digital Libraries (JCDL'01), Roanoke, Virginia, pp. 79-87, June 24-28, 2001.

H. Atabakhsh, J. Schroeder, H. Chen, M. Chau, J. Xu, J. Zhang, and H. Bi, "COPLINK Knowledge Management for Law Enforcement: Text Analysis, Visualization and Collaboration," Proceedings of the National Conference for Digital Government Research (dg.o 2001), Los Angeles, California, May 21-23, 2001.

H. Chau, H. Atabakhsh, D. Zeng, and H. Chen, "Building an Infrastructure for Law Enforcement Information Sharing and Collaboration: Design Issues and Challenges," Proceedings of the National Conference for Digital Government Research (dg.o 2001), Los Angeles, California, May 21-23, 2001.

H. Chen, "Medical Mining: A DLI-Status Report," Proceedings of the 4th International Conference of Asian Digital Libraries (ICADL 2001), Bangalore, India, December 10-12, 2001.

H. Chen, "Knowledge Management Systems: A Text Mining Perspective," Invited Tutorial for The 4th International Conference of Asian Digitial Libaries (ICADL 2001), Bangalore, India, December 10-12, 2001.

B. Zhu and H. Chen, "Social Visualization for Computer-Mediated Communication: A Knowledge Management Perspective," Proceedings of WITS'01, Conference, New Orleans, Louisana, December 15-16, 2001.

H. Chen, "COPLINK: Knowledge Management for Law Enforcement," Proceedings of the National Conference on Digital Government Research, Los Angeles, CA, May 21-23, 2001.

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2000

H. Chen, "A Case of Information Categorization in NSF DLI Research," Proceedings of The Second International Roundtable on Terminology, Seoul, Korea, December 10, 2000.

H. Chen, "High-Performance Digital Library Classification Systems: An Experiment in Medical Informatics," Editors: G. M. Olson, T. W. Malone, and J. B. Smith, Proceedings of the Third International Asian Digital Library Conference, Seoul, Korea, December 6-9, 2000.

H. Chen, "UMLS and Linguistics Enhanced Medical Information Retrieval," Proceedings of NHRI (National Health Research Institute) Research Resources 2000, Taipei, Taiwan, April 27, 2000.

N. C. Romano, C. Baur, H. Chen, "The MindMine Comment Analysis Tool for Collaborative Attitude Solicitation, Analysis, Sense-making and Visualization," Proceedings of the 33th Annual Hawaii International Conference on System Sciences (HICSS-33), Maui, Hawaii, January 7-10, 2000.

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1999

T. Ong and H. Chen, “Updateable PAT-Tree Approach to Chinese Key Phrase Extraction Using Mutual Information: A Linguistic Foundation for Knowledge Management,” Proceedings of the Second Asian Digital Library Conference , Taipei, Taiwan, November 8-9, 1999.

G. Leroy, K Tolle, and H. Chen, “Customizable and Ontology-Enhanced Medical Information Retrieval Interfaces,” Proceedings of International Medical Informatics Association Working Group 6 on Medical Concept Representation, Phoenix, Arizona, December 16-19, 1999.

B. Zhu, M. Ramsey, H. Chen, R. V. Hauck, T. D. Ng and B. R. Schatz, “Support Concept-based Multimedia Information Retrieval: A Knowledge Management Approach,” Proceedings of the ICIS Conference, Charlotte, North Carolina, December 12-15, 1999.

R. V. Hauck and H. Chen, “COPLINK: A Case of Intelligent Analysis and Knowledge Management,” Proceedings of the ICIS Conference , Charlotte, North Carolina, December 12-15, 1999.

N. C. Romano, D. Roussonov, J. F. Nunamaker, and H. Chen, “Collaborative Information Retrieval Environment: Integration of Information Retrieval with Group Support Systems,” Proceedings of the 32th Annual Hawaii International Conference on System Sciences (HICSS-32) , Maui, Hawaii, January 7-10, 1999.

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1998

H. Chen, “The Illinois Digital Library Initiative Project: Federating Repositories and Semantic Research,” Proceedings of The First Asia Digital Library Workshop '98, Hong Kong, August 6-7, 1998.

M. Ramsey, T. Ong, and H. Chen, “Multilingual Input System on the Web - an Open Multimedia Approach of Handwriting and Keyboard Recognition for Chinese and Japanese,” Proceedings of IEEE Advances in Digital Libraries Conferences (ADL '98), Santa Barbara, CA, Pages 188-195, April 22-24, 1998.

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1997

H. Chen, Y. Chung, M. Ramsey, C. Yang, P. Ma, and J. Yen , “Intelligent Agents on the Internet,” Proceedings of the 30th Annual Hawaii International Conference on System Sciences (HICSS-30), Maui, Hawaii, January 7-10, 1997.

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1996

B. Schatz, E. Johnson, P. Cochrane, and H. Chen, “Interactive Term for Users of Digital Libraries: Using Subject Thesauri and Co-occurrences Lists for Information Retrieval,” ACM Digital Library Conference, Pages 126-133, 1996.

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1995

H. Chen, B. R. Schatz, C. Lin , “Concept Classification and Search on Internet Using Machine Learning and Parallel Computing Techniques,” World Wide Web 4 Conference, Boston, MA, Pages 58-59, Poster Proceedings, December 11-14, 1995.

J. Yen, H. Chen, P. Ma, and T. Bui , “An Issue Identifier for Online Financial Databases,” Proceedings of International Society for Decision Support Systems Third International Conference ISDSS'95, Hong Kong, June 22-23, 1995.

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1994

H. Chen and B. Schatz , “Semantic Retrieval for the NCSA Mosaic,” Proceedings of the Second International World Wide Web Conferences '94, Chicago, Illinois, October 17-20, 1994.

J Martinez and H. Chen, “Cognitive Studies on the Use of Automatic Thesauri for Information Retrieval in Biological Domains,” AzLA Annual Conference, November, 1994.

H. Chen and L. She, “Inductive Query By Examples (IQBE): A Machine Learning Approach,” Proceedings of the 27th Annual Hawaii International Conference on System Sciences (HICSS-27), Maui, Hawaii, January 4-7, 1994.

H. Chen, “An Algorithmic Approach to Building Organizational Memory for a Scientific Community,” Proceedings of the 27th Annual Hawaii International Conference on System Sciences (HICSS-27), Maui, Hawaii, January 4-7, 1994.

H. Chen, “A Machine Learning Approach to Document Retrieval: An Overview and an Experiment,” Proceedings of the 27th Annual Hawaii International Conference on System Sciences (HICSS-27), Maui, Hawaii, January 4-7, 1994.

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1993

H. Chen , “ Approach on the Vocabulary Problem in Collaboration,” Proceedings in the National Science Foundation Coordination Theory and Collaboration Technology Workshop (NSFCTCT), Arlington, VA, July 8-10, 1993.

B. Schatz, E. Grossman, T. Friedman, K. Powell, J. Calley, H. Chen, L. Star, S. Hudson, S. Ward, “The Worm Community System, Release 2,” 1993 Meeting on C. elegans, University of Wisconsin, Madison, Wisconsin, June 2-6, 1993.

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1992

K. J, Lynch and H. Chen, “Knowledge Discovery from Historical Data: An Algorithmic Approach,” Proceedings in the 25th Annual Hawaii International Conference on System Sciences (HICSS-25), Kaui, Hawaii, Pages 70-79, January 7-10, 1992.

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1990

H. Chen and V. Dahr, “Online Query Refinement on Information Retrieval Systems: A Process Model of Searcher/System Interactions,” Proceedings in the 13th International Conference on Research and Development in Information Retrieval (SIGIR-90), Brussels, Belgium, 1990.

H. Chen and V. Dahr, “A Knowledge-Based Approach to the Design of Document-Based Retrieval Systems,” Proceedings in the 5th Conference on Office Information Systems (COIS-90), Boston, Massachusetts, 1990.

H. Chen, “A Knowledge-Based Design for Hypertext-Based Document Retrieval Systems,” Proceedings in the International Conference on Data Base and Expert Systems Applications (DEXA-90), Vienna, Austria, 1990.

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1987

H. Chen and V. Dahr, “Reducing Indeterminism in Consultation: A Cognitive Model of User/Librarian Interactions,”Proceedings of the 6th National Conference on Artificial Intellegence (AAAI-87), Seattle, Washington, 1987.

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