基于STRUTS的網絡調查應用，支持單選，多選，圖形等多種樣式問答。
Web based test / exam system, supports profiles, groups and categories. Questions with one or more correct answers, open answers. Graphical results. Struts, J2EE, MVC.
Libgist is an implementation of the Generalized Search Tree, a template index structure that makes it easy to implement any type of hierarchical access method (AM).
