[1] R. Desai, J. Xiao, and R. Volz, Contact Formations and Design Constraints: A New Basis for the Automatic Generation of Robot Programs, in NATO ASI Series: CAD Based Programming for Sensor Based Robots , (B. Ravani, Editor), Springer-Verlag, pp. 361-395. July 1988.
[2] J. Xiao, On Recognition of Contacts between Objects in the Presence of Uncertainties, invited paper for the SPIE's International Symposium on Data Structures and Target Classification, pp. 134-145, Orlando, Florida, April 1-3 1991.
[3] Jing Xiao, Contact Detection and Contact Motion in the Presence of Uncertainties, in the 1991 NASA Space Operations, Applications, and Research Symposium (SOAR) at NASA Johnson Space Center, pp. 230-237, July 9-11, 1991.
[4] Jing Xiao Automatic Determination of Topological Contacts in the Presence of Sensing Uncertainties, Proc. 1993 IEEE International Conference on Robotics and Automation, pp. 65-70, Atlanta, May 1993.
[5] J. Xiao and M. Su Automatic Verification of Topological Contacts by Vision, in Proc. 1993 IEEE International Symposium on Intelligent Control, Chicago, pp. 314-319, August 1993.
[6] Jing Xiao, Towards Obtaining All Possible Contacts --- Growing A Polyhedron by Its Location Uncertainty, Proc. 1994 IEEE/RSJ/GI International Conference on Intelligent Robots and Systems, Munich, Germany, pp. 1788-1795, September 1994.
[7] J. Xiao and L. Zhang Automatic Recognition of Contacts in the Presence of Location Uncertainty, in Proc. 1995 NSF Design and Manufacturing Conference, San Diego, pp. 567-568, Jan. 1995.
[8] J. Xiao and L. Zhang, An Efficient Algorithm (FAPRIC) for Finding the Principal Contacts Possibly Established due to Uncertainties, in the proceedings of the 1995 IEEE International Conference on Robotics and Automation, Nagoya, Japan, pp. 427-432, May 1995.
[9] J. Xiao and L. Zhang, A General Strategy to Determine Geometrically Valid Contact Formations from Possible Contact Primitives, in the Proceedings of 1995 IEEE International Conference on Robotics and Automation, Nagoya, Japan, pp. 2728-2733, May 1995.
[10] J. Xiao and L. Zhang, Towards Obtaining All Possible Contacts --- Growing A Polyhedron by Its Location Uncertainty, IEEE Transactions on Robotics and Automation, 12(4), pages 553-565, August 1996.
[11] J. Xiao and L. Zhang, Contact Constraint Analysis and Determination of Geometrically Valid Contact Formations from Possible Contact Primitives, IEEE Transactions on Robotics and Automation, 13(3):456--466, June 1997.
[12] J. Xiao, Goal-contact Relaxation Graphs for Contact-based Fine Motion Planning, 1997 IEEE International Symposium on Assembly and Task Planning, Marina del Rey, California, pp. 25--30, August 7--9, 1997.
[13] J. Xiao and L. Liu, Contact States: Representation and Recognizability in the Presence of Uncertainties, in the 1998 IEEE/RSJ International Conference on Intelligent Robots and Systems, Victoria, B.C., Canada, October 13--17, 1998.
[14] Lixin Zhang and Jing Xiao, Derivation of Contact States from Geometric Models of Objects, in the Proceedings of the IEEE Int. Conf. Assembly and Task Planning, Pittsburgh, pp. 375-380, Aug. 1995. (Postscript)
[15] Lixin Zhang and Jing Xiao, Derivation of Contact States from Geometric Models of Objects, Technical Report, Dept. of Computer Science, UNCC, 1995. (Postscript)
[16] Jing Xiao and Lixin Zhang, Computing Rotation Distance between Contacting Polytopes, in the Proceedings of the 1996 IEEE International Conference on Robotics and Automation, Minneapolis, MN, pages 791-797, April 1996. (Postscript)
[17] Xuerong Ji and Jing Xiao, Automatic Generation of High-Level Contact State Space, in the Proceedings of 1999 IEEE International Conference on Robotics and Automation, Detroit, MI, pp. 238-244, May 10--15, 1999. (PDF)
[18] Jing Xiao and Xuerong Ji, A Divide-and-Merge Approach to Contact Motion Planning, in the Proceedings of 2000 IEEE International Conference on Robotics and Automation, San Francisco, April 2000. (PDF)
[19] Xuerong Ji and Jing Xiao, Towards Random Sampling with Contact Constraints, in the Proceedings of 2000 IEEE International Conference on Robotics and Automation, San Francisco, April 2000. (Postscript)
[20] Xuerong Ji and Jing Xiao, Planning Motion Compliant to Complex Contact States, International Journal of Robotics Research, 20(6):446-465, June 2001. (PDF)
[21] Jing Xiao and Xuerong Ji, On Automatic Generation of High-level Contact State Space, International Journal of Robotics Research (and its first multi-media extension issue eIJRR), 20(7):584--606, July 2001. (PDF)
[22] David Johnston and Jing Xiao, Hierarchical Analysis For Determining Disconnectedness in a Contact Formation, in the Proceedings of 2002 IEEE International Conference on Robotics and Automation, Washington D.C., May 2002.
[23] Zhihua Zou and Jing Xiao, Tracking Minimum Distances between Curved Objects with Parametric Surfaces in Real Time, Proceedings of 2003 IEEE/RSJ International Conference on Intelligent Robots and Systems, Las Vegas, Oct. 2003. (PDF)
[24] Qi Luo, Ernesto Staffetti, and Jing Xiao, Representation of Contact States between Curved Objects, in the 2004 IEEE International Conference on Robotics and Automation, New Orleans, April 2004. (PDF)
[25] Wim Meeussen, Jing Xiao, Joris De Schutter, Herman Bruyninckx, and Ernesto Staffetti, Automatic Verification of Contact States Taking into Account Manipulator Constraints, in the 2004 IEEE International Conference on Robotics and Automation, New Orleans, April 2004. (PDF)
[26] Peng Tang and Jing Xiao, Automatic Generation of High-level Contact State Space between Planar Curved Objects, presented at the 2005 IEEE International Conference on Robotics and Automation, Barcelona, April 2005. (PDF)
[27] Ernesto Staffetti, Wim Meeussen, and Jing Xiao, A New Formalism to Characterize Contact States Involving Articulated Polyhedral Objects, presented at the 2005 IEEE International Conference on Robotics and Automation, Barcelona, April 2005. (PDF)
[28] Wusheng Chou and Jing Xiao, An Interactive Approach to Determining Complex Contact States, Proceedings of 2005 IEEE Symposium on Assembly and Task Planning, Montreal, July 19--21, 2005.(PDF)
[29] Peng Tang and Jing Xiao, Automatic Generation of Contact State Graphs Based on Curvature Monotonic Segmentation, Proceedings of 2006 IEEE International Conference on Robotics and Automation, Orlando, May 2006.
[30] Peng Tang and Jing Xiao, Generation of Point-contact State Space between Strictly Curved Objects, 2006 Robotics: Science and Systems, Philadelphia, August 2006.(Download)
[31] Wusheng Chou and Jing Xiao, Real-time and Accurate Multiple Contact Detection between General Curved Objects, Proc. IEEE/RSJ International Conference on Intelligent Robots and Systems, Beijing, China, Oct. 2006. (PDF)
[32]Peng Tang and Jing Xiao, Automatic Generation of A High-level Contact State Graph for Assembly between Curved Objects, Proc. IEEE International Symposium on Assembly and Manufacturing , Ann Arbor, MI, July 2007.