Wei Zhang 0033 Weimin Lei Hongbin Li An Extended Data Collaboration Mechanism for XCON Multimedia Conference. 304-310 2009 HIS (2) https://doi.org/10.1109/HIS.2009.173 https://doi.ieeecomputersociety.org/10.1109/HIS.2009.173 conf/his/2009 db/conf/his/his2009-2.html#ZhangLL09