US Patent 7627591 Method and/or system for manipulating tree expressions

Embodiments of methods and/or systems of manipulating tree expressions are disclosed. In one particular example, a tree expression may represent information and/or data in one particular view among a plurality of views. Further, in another particular example, a tree expression representing information and/or data in a first view may be transformed and/or converted to a tree expression which represents the information and/or data in a second view which is different from the first view.