H. Shen and S. Zhou, “A Three-layer Architecture for Reconciliating Compound Actions in Collaborative Editing Systems, Proceedings of IEEE International Conference on Parallel and Distributed Systems, Fukuoka, Japan, July 20-22, 2005.

 H. Shen, S. Zhou, and C. Sun, “Flexible Concurrency Control for Collaborative Office Systems”, Proceedings of IEEE International Conference on Information Technology and Applications, Sydney, Australia, July 3-7, 2005.

D.N.B. Ta, S. Zhou, and H. Shen, "A Generic HLA-based Communication Architecture for Distributed Virtual Environments", Proceedings of Parallel and Distributed Computing and Networks, 15-17 February 2005, Innsbruck, Austria.

S. Xia, D. Sun, C.Sun, H.Shen, and D. Chen, “Leveraging Single-user Applications for Multi-user Collaboration: the CoWord Approach,” Proceedings of ACM Conference on Computer-Supported Cooperative Work, Chicago, November 6-10, 2004.

H. Shen, C. T. Cheong, and C. Sun, “CoStarOffice: Towards a Flexible Platform-independent Collaborative Office System,” Proceedings of the 6^th International Workshop on Collaborative Editing Systems in conjunction with ACM Conference on Computer Supported Cooperative Work, Chicago, November 6, 2004.

H. Shen and C.Sun, “A Complete Textual Merging Algorithm for Software Configuration Management Systems,” Proceedings of IEEE 28th Annual International Computer Software and Application Conference, September 28-30 2004.

H. Shen and C. Sun: “Improving Real-time Collaboration with Highlighting", International Journal of Future Generation Computer Systems, Vol 20, No. 4, pp 605-625, May 2004 North-Holland, Elsevier Science Publisher.

H. Shen: “Internet-based Collaborative Programming Techniques and Environments" Ph.D dissertation, Griffith University, Australia.

H. Shen and C. Sun: “Flexible Notification for Collaborative Systems", Proc. of ACM Conference on Computer-Supported Cooperative Work, pp 77-86, November 16-20, 2002, ACM Press, New Orleans, Louisiana, USA.

H. Shen and C. Sun: “Flexible Merging for Asynchronous Collaborative Systems", Proc. of Tenth International Conference on Cooperative Information Systems, pp 304-321, October 30 - November 1, 2002, Springer Verlag, University of California, Irvine, USA.

H. Shen and C. Sun: “Highlighting: A Gesturing Communication Tool for Real-time Collaborative Systems", Proc. of the 5th IEEE International Conference on Algorithms & Architectures for Parallel Processing, pp 180-187, October 23- 25, 2002, IEEE Computer Society, Beijing, China.

H. Shen and C. Sun: “RECIPE: A Web-based Environment for Supporting Real-time Collaborative Programming" Proc. of International Conference on Networks, Parallel and Distributed Processing, and Applications, pp 283-288, October 2- 4, 2002, ACTA Press, Tsukuba, Japan.

H. Shen and C. Sun: “A Log Compression Algorithm for Operation-based Version Control Systems" Proc. of IEEE 26th Annual International Computer Software and Application Conference, pp 867-872, August 26-29, 2002, IEEE Computer Society, Oxford, England.