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Christopher C. Yang

Associate Professor

Information Science

Dr. Yang's research interests include Web search and mining, security informatics, knowledge management, cross-lingual information retrieval, text summarization, multimedia retrieval, information visualization, information sharing and privacy, digital library, and electronic commerce. His teaching interests include data mining, artificial intelligence, information retrieval, information systems analysis and design. He is the program director of the MS in Health Informatics.

Education

  • PhD, Computer Engineering, University of Arizona
  • MSc, Computer Engineering, University of Arizona
  • BSc, Computer Engineering, University of Arizona

Research/Teaching Interests

Healthcare informatics, social media analytics, knowledge discovery, Web search and mining, recommendation systems, pharmacovigilance, drug repositioning, electronic commerce, intelligence and security informatics

Select Publications

  • Q. Ping, C. C. Yang, S. Marshall, N. Avis, and E. H. Ip, “Breast Cancer Symptom Clusters Derived from Social Media and Research Study Data Using Improved K-Medoid Clustering,” IEEE Transactions on Computational Social Systems, vol.3, no.2, 2016, pp. 63 – 74.
  • H. Yang and C. C. Yang, “Using Health Consumer Contributed Data to Detect Adverse Drug Reactions by Association Mining with Temporal Analysis,” ACM Transactions on Intelligent Systems and Technology, vol.6, no.4, August, 2015.
  • Z. Hai, K. Chang, G. Cong, and C. C. Yang, “An Association-based Unified Framework for Mining Features and Opinion Words,” ACM Transactions on Intelligent Systems and Technology, vol.6, no. 2, May 2015, 26:1-21.
  • X. Tang and C. C. Yang, “Detecting Social Media Hidden Communities using Dynamic Stochastic Blockmodel with Temporal Dirichlet Process,” ACM Transactions on Intelligent Systems and Technology, vol.5, no.2, April 2014, 36:1-21.
  • C. C. Yang, H. Yang, and L. Jiang, “Postmarketing Drug Safety Surveillance using Publicly Available Health Consumer Contributed Content in Social Media,” ACM Transactions on Management Information Systems, vol.5, no.1, April, 2014.
  • Z. Hai, K. Chang, J. Ki, and C. C. Yang, “Identifying Features in Opinion Mining via Intrinsic and Extrinsic Domain Relevance,” IEEE Transactions on Knowledge and Data Engineering, Vol.26, Issue.3, March, 2014, pp.623-634.
  • C. C. Yang, X. Tang, H. Yang, and L. Jiang, “Identifying Implicit and Explicit Relationships in Social Commerce Activities,” International Journal of Electronic Commerce, vol.18, no.2, Winter, 2013-2014, pp.73-96.
  • K. Chuang and C. C. Yang, “Interaction Patterns of Nurturant Support Exchanged in Online Health Social Networking,” Journal of Medical Internet Research, vol. 14, no.3, 2012.
  • X. Tang and C. C. Yang, “Ranking User Influence in Healthcare Social Media,” ACM Transactions on Intelligent Systems and Technology, vol.3, no.4, 2012.
  • C. C. Yang and T. Ng, “Analyzing and Visualizing Web Opinion Development and Social Interactions with Density Based Clustering,” IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans, vol.41, no.6, 2011, pp.1144-1155.

Grant Awards

  • BIGDATA: IA: Predictive Analytics of Driver's Engagement for Injury Prevention, PI, 2019 – 2022, NSF, PI, $999,993. (NSF-1741306).
  • Mining Heterogeneous Network Constructed from Multiple Data Sources, PI, 2017 – 2018, NSF, PI $198,662. (NSF-1650531)
  • CIF21 DIBBs: DIBBs for Intelligence and Security Informatics Research Community, Drexel PI, 2014-2017, NSF, $1,499,531. (NSF-1443019) 
  • Building a Workforce of Next Generation of Librarians for the 21st Century Global Information Access, 2014-2017, Co-PI, IMLS, $498,773.
  • Diffusion of Marketing Messages about Tobacco Products through Social Media, 1P50CA180905, USC P50 Tobacco Center of Regulatory Science (TCORS) for Vulnerable Populations, Drexel PI (USC PI: Jennifier Unger), 2013 – 2018, National Institutes of Health, $622,865.
  • Actonnect, Patient-Research Matching Challenge, PI, Patient-Centered Outcomes Research Institute (PCORI), $10,000.
  • Capacity Building: Development and Dissemination of the Drexel University Cybersecurity Program, 2012 – 2015, Co-PI, NSF SFS program, $888,491.
  • Social Media for Decision Informatics with Applications to Healthcare Management, 2012 – 2013, PI, NSF I/UCRC, $60,000.
  • NSF I/UCRC- Center for Visual and Decision Informatics, Senior Personnel, National Science Foundation, 2012-2017, $675,000.  

Awards & Recognition

  • Actonnect, First Place, PCORI Patient-Research Matching Challenge 2013
  • Recognition of Service Award, the Association for Computing Machinery (ACM), 2000
  • Recognition of Service Award, the Association for Computing Machinery (ACM), 2012 

Professional Activities & Associations

  • Editor-in-Chief, Journal of Healthcare Informatics Research
  • Series Editor, CRC Healthcare Informatics Book Series
  • Co-editor, Electronic Commerce Research and Applications
  • Associate editor, ACM Transactions on Intelligent Systems and Technology
  • Associate editor, Social Network Analysis and Mining
  • Guest editor of Artificial Intelligence in Medicine, Special Issue on Healthcare Informatics
  • Guest editor of IEEE Intelligent Systems, Special Issue on Social Intelligence and Technology
  • Guest editor of ACM Transactions on Management Information Systems, Special Issue on Informatics for Smart Health and Wellbeing
  • Guest editor of ACM Transactions on Intelligent Systems and Technology, Special Issue on Intelligent Systems for Health Informatics
  • Guest editor of IEEE Transactions on Systems, Man, & Cybernetics, Part A, Special Issue on Social Media Analytics: Understanding the Pulse of the Society
  • Steering Committee Chair, IEEE International Conference on Healthcare Informatics
  • General Chair, International Conference on Electronic Commerce, 2014
  • General Chair, IEEE International Conference on Healthcare Informatics, 2013
  • General Chair, International Conference on Social Intelligence and Technology, 201
  • Program Committee Chair, ACM SIGHIT International Health Informatics Symposium, Miami, FL, 2012.
  • Program Co-chair, IEEE International Conference on Intelligence and Security Informatics, Beijing, China, 2011
  • Program Vice-chair, ACM Eighteenth Conference on Information and Knowledge Management (CIKM), Hong Kong, China, 2009