Practical Liferay

Liferay Portal is the leading open-source enterprise portal framework that uses Java and Web 2.0 technologies.

Web portals often function as a point of access to information on the World Wide Web. Web portals, such as Yahoo!, present information from diverse sources in a unified way. Aside from the search engine standard, web portals offer other services such as e–mail, news, stock prices, infotain...