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...