About the Author
Dr. Yuan is an expert on Liferay Portal and Content Management Systems (CMS). As an open source community contributor, he had published three Liferay books from 2008 to 2010. He is also an expert on Liferay integration with Ad Server OpenX, different search engines, enterprise content types including videos, audios, images, documents, and web contents, and other technologies such as BPM Intalio and Business Intelligence Pentaho, LDAP, and SSO. He holds a Ph.D. in Computer Science from the University of Zurich, where he focused on Integrity Control in Federated Database Systems. He earned his M.S. and B.S. degrees from China, where he conducted research on expert systems for predicting landslides. Previously, he worked as a Project Manager and a Technical Architect in Web GIS (Geographic Information System). He is experienced in SystemsDevelopment Lifecycle (SDLC) and has deep, hands-on, skills in J2EE technologies. He developed a BPEL (Business Process Execution Language) Engine called BPELPower from scratch in NASA data center. As the chief architect, Dr. Yuan led and successfully launched several large scale Liferay/Alfresco projects for millions of users each month.