2019 International Conference on E-Business and E-Commerce Engineering (EBEE 2019) will be held in Bali, Indonesia during December 21-23, 2019. The conference committee welcome participants around the world to attend, and share research experiences with each other. On December 23, there will be an one-day tour in Bali. Welcome all the participants to join in it and have a good time there. Paper publication: Accepted excellent papers by EBEE 2019 will be published in the International Conference Proceedings ACM, which will be archived in the ACM Digital Library, and sent to be indexed by EI Compendex and Scopus, and submitted to be reviewed by Thomson Reuters Conference Proceedings Citation Index (ISI Web of Science). Topics of interest for submission include, but are not limited to: E-business Mobile commerce Innovative Business Models Enterprise application integration Business Process Integration Agent-mediated e-commerce systems Trading, negotiation, auction and mechanism design Human Computer Interactions Online-to-offline Services in e-Commerce Virtual organizations and coalitions Customer relationship management Agent-based artificial markets Big Data and Machine Learning in e-Commerce Submission methods: 1. ebee@iedrc.net 2. http://confsys.iconf.org/submission/ebee2019 Conference Website: www.ebee.net Conference Secretary: Ms. Luna Wu Email: ebee@iedrc.net Tel: +852-3500-0005 (Hong Kong) +1-313-263-4817 (USA) +86-28-86528478 (China)