Yong Tan
Associate Professor of Information Systems
Evert McCabe Faculty Fellow 

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Research Interests

• Peer-to-peer network evolution

• Social networks (A tutorial given at the INFORMS Annual Meeting, Seattle, November 7, 2007)

• Open source software development

• Information security

• Digital content distribution channels

• Economics of Internet interconnectivity  

• Online trust management
• Pricing of Internet services

1. “Analysis of a Least Recently Used Cache Management Policy for Web Browsers,”  with V.S. Mookerjee, Operations Research, 50(2), 345-357, 2002.
2. “Optimal Processing Policies for an E-Commerce Web Server,” with V.S. Mookerjee and K. Moinzadeh, INFORMS Journal on Computing, 17(1), 99-110, 2005.
3. “Evaluation and Design of Online Cooperative Feedback Mechanism for Reputation Management,” with M. Fan and A.B. Whinston, IEEE Transactions on Knowledge and Data Engineering, 17(2), 244-254, 2005.
4. “Comparing Uniform and Flexible Policies for Software Maintenance and Replacement,” with V.S. Mookerjee, IEEE Transactions on Software Engineering, 31(3), 238-255, 2005.
5. “Economic Control and Inspection Policies for High-Speed Production Systems,” with K. Moinzadeh, IIE Transactions, 37(8), 711-724, 2005.
6. “Allocating Spending between Advertising and Information Technology in Electronic Retailing,” with V.S. Mookerjee, Management Science, 51(8), 1236-1249, 2005.
7. “An Economic Analysis of Interconnection Arrangements Between Internet Backbone Providers,” with I.R. Chiang and V.S. Mookerjee, Operations Research, 54(4) 776-788, 2006.
8. “Analyzing Document-Duplication Effects on Policies for Browser and Proxy Caching,” with Y. Ji and V.S. Mookerjee, INFORMS Journal on Computing, 18(4) 506-522, 2006.
9. “Pricing Communication Services with Delay Guarantee,” with Z. Zhang and D. Dey, INFORMS Journal on Computing, 19(2) 248-260, 2007.
10. “Price and QoS Competition in Communication Services,” with Z. Zhang and D. Dey, European Journal of Operational Research, 187(3) 871-886, 2008.

11. “Analysis of Scale Effects in Peer-to-Peer Networks,” with Y.-M. Li and Y.-P. Zhou, IEEE/ACM Transactions on Networking, 16(3) 590-602, 2008.

12. “An Admission-Control Technique for Delay Reduction in Proxy Caching,” with C. Kaya, G. Zhang and V.S. Mookerjee, Decision Support Systems, 46 594–603, 2009.

13. “Service Differentiation and Price Competition in Web Services,” with Z. Zhang and D. Dey, Decision Support Systems, 47 93–104, 2009.

14. “Diffusion Models for Peer-to-Peer (P2P) Media Distribution: On the Impact of Decentralized, Constrained Supply,” with K. Hosanagar and P. Han, Information Systems Research, forthcoming.

  Working Papers

1. “Do I Follow My Friends or the Crowds? Examining Informational Cascades in Online Movie Reviews,” with Y.J. Lee and K. Hosanagar, Proceedings of WITS 2009.
2. “Social Networks Come to Healthcare,” with L. Yan, Proceedings of CIST 2009.
3. “Word-of-Mouth Communication in a Network of Blogs,” with G. Zhang, Proceedings of 3^rd CSWIM 2009.
4. “Healthcare Social Networking,” with L. Yan, Proceedings of 3^rd CSWIM 2009.
5. “Information Cascades and Contagion in Online Social networks,” with J. Oh and A. Susarla, 5^th Statistical Challenges on Electronic Commerce Research (SCECR) 2009.
6. “Diffusion of User-Generated Content in a Social Network Structure,” with J. Oh and A. Susarla, Proceedings of ICIS 2008, forthcoming.
7. “Making Money with Free Software? Sampling Implications of Software Market,” with Y.J. Lee, Proceedings of CIST 2008.
8. “Social Capital, Structural Holes and Team Composition: Collaborative Networks of the Open Source Software Community,” with P.V. Singh and V.S. Mookerjee, Proceedings of ICIS 2007.
9. “An Empirical Study of Software Sampling: Categorical Heterogeneity and Vendor Strategy,” with Y.J. Lee, Proceedings of WITS 2007, , 73-78, 2007.
10. “Digital Content Diffusion in a Social Network Structure,” with J. Oh and A. Susarla, Proceedings of WEB 2007.
11. “Quality of Service Feedback and Intra-organization Coordination for E-retailers,” with J. Oh and V.S. Mookerjee, Proceedings of WEB 2007.
12. “Determinants of Open Source Software License Choice: A Social Influence Perspective,” with P.V. Singh, C. Phelps, and M. Fan, WISE 2007.
13. “Planning to First Release: A Conditional Hazard Function Approach for Investigating Open Source Software Development Time,” with P.V. Singh, Proceedings of WITS 2006, 127-132, 2006;
14. “Optimal Timing of Dynamic Requirement Reviews for Software Development Process,” with M. Fan and Y. Ji, Proceedings of WITS 2006, 139-144, 2006;
15. “Optimal Patching Effort against Internet Worms,” with G. Zhang and K. Kannan, Proceedings of WITS 2006, 151-156, 2006;
16. “Stability and Efficiency of Communications Networks in Open Source Software Development,” with P.V. Singh, Proceedings of WITS 2005, 177-182, 2005;
17. “Optimal Rebating Strategies in Peer-to-Peer Content Distribution,” with P. Han and K. Hosanagar, Proceedings of ICIS 2005, 673-687, 2005;
18. “Dynamic Pricing for Technology Upgrades in Telecommunication Industry,” with P. Han and J. Peng, Proceedings of ICEC, 254-260, 2005;
19. “The Spread of Internet Worms and the Optimal Patch Release Strategies,” with P. Han, Proceedings of AMCIS-11, 3283-3291, 2005;
20. “On the Formation of Peer-to-Peer Networks: Self-Organized Sharing and Groups,” with Y.-M. Li and P. De, Proceedings of ICIS 2004,  493-503, 2004;
21. “Diffusion of Digital Products in P2P Networks,” with P. Han and K. Hosanagar, Proceedings of ICIS 2004, 505-515, 2004;
22. “Optimal Duplication in Cooperative Web Caching,” with K. Hosanagar, Proceedings of WITS 2004, 92-97, 2004;
23. “Pricing Peer-to-Peer Networks: Content Provision and Search Intermediary,” with Y.-M. Li and P. De, Proceedings of WITS 2004, 194-199, 2004;
24. “Optimal Rebating Strategies in P2P Diffusion,” with P. Han and K. Hosanagar, Proceedings of WITS 2004, 188-193, 2004;
25. “On the Scale of Peer-to-Peer Network,” with Y.-M. Li and Y.-P. Zhou, Proceedings of WITS 2003, 13-18, 2003;
26. “Price and Quality Competition in Data Networks under Delay Guarantee,” with Z. Zhang, Proceedings of WITS 2003, 139-144, 2003;
27. “Optimal Peering Strategies for Internet Service Providers,” with I. R. Chiang and V.S. Mookerjee, Proceedings of WITS 2001, 163-168, 2001;
28. “Balancing Marketing and Information Technology,” Proceedings of WITS 2000, 151-156, 2000; (Best paper nomination)
29. “Optimal Software Maintenance and Replacement Policies,” with V.S. Mookerjee, Proceedings of WITS 99, 216-221, 1999;  
30. “Pricing Strategy for Priority-Based Networks,” with D. Dey, Proceedings of WITS 99, 117-122, 1999.

• “Social Networks and Electronic Commerce: An Overview,” School of Media Management, China Communication University, Beijing, China, July 2009.
• “Research and Publishing in Social Networks and Electronic Commerce,” 2^nd Training Program on Graduate Student Advising, Education Council, Beijing City, China, July 2009.
• “Social Networks Analysis and Econometric Methods,” Department of Management Science, Sun Yat-Sen University, Guangzhou, China, June 2009.
• “A Hidden Markov Model of Developer Learning Dynamics in Open Source Software Projects,” UF ISOM Workshop, University of Florida, February 2009.
• “Research and Publishing in Information Systems,” Advanced Training Program on Economic and BA Research and Publishing, Department of Economics, University of Washington, August 2008.
• “Developer Learning Dynamics in Open Source Software Projects,” School of Management, University of Texas at Dallas, February 2008.
• “Social Networks: Theory and Applications,” A tutorial given at the INFORMS Annual Meeting, Seattle, November 2007.
• “Social Capital, Structural Holes and Team Composition: Collaborative Networks of the Open Source Software Community,” School of Management, Sun Yat-Sen University, July 2007.
• “Developer Learning Dynamics in Open Source Software Projects: A Hidden Markov Model Analysis,” Krannert School of Management, Purdue University, April 2007 (John and Cheryl Coffin Academic Speaker Series).
• “An Economic Analysis of Interconnection Arrangements Between Internet Backbone Providers,” presented at Tepper School of Business, Carnegie Mellon University, April 2005; University of Alberta, April 2005.
• “Optimal Duplication in Cooperative Web Caching,” December 2004, WITS 2004, Washington D.C.
• “Pricing Peer-to-Peer Networks: Content Provision and Search Intermediary,” December 2004, WITS 2004, Washington D.C.
• “Interconnection at Congested Internet Backbones,” November 2002, INFORMS, San Jose.

• “Balancing Marketing and Information Technology,” December 2000, WITS 2000, Brisbane, Australia.  

• “Value Based Design of Electronic Commerce Servers,” presented at The Wharton School, February 2000; Heinz School, Carnegie Mellon University, February, 2000; University of Texas at Dallas, January, 2000.

• “Optimal Polices for Software Maintenance and Replacement,” December, 1999, WITS99, Charlotte, North Carolina.

• “Pricing Strategies for Priority-Based Networks,” December, 1999, WITS99, Charlotte, North Carolina.

• "Analysis of an LRU-Based Caching Policy in Web Browsers," October, 1998, INFORMS Conference, Seattle, Washington.

Other Publications (Physics)