This two-volume set (CCIS 267 and CCIS 268) constitutes the refereed proceedings of the
International Conference on Information and Business Intelligence IBI 2011 held in Chongqing
China in December 2011. The 229 full papers presented were carefully reviewed and selected
from 745 submissions. The papers address topics such as communication systems accounting and
agribusiness information education and educational technology manufacturing engineering
multimedia convergence security and trust computing business teaching and education
international business and marketing economics and finance and control systems and digital
convergence.