METHOD AND APPARATUS FOR REALIZING A DYNAMICALLY TYPED FILE OR OBJECT SYSTEM ENABLING A USER TO PERFORM CALCULATIONS OVER THE FIELDS ASSOCIATED WITH THE FILES OR OBJECTS IN THE SYSTEM

摘要

According to the invention there is provided a method for retrieving the value of a first path of a first entity in a data system comprising a calculation device and a storage device with said first path stored thereon, said method comprising the step of said calculation device calculating said value as all calculated entities: that are descendants of said first entity; and that are members of said first path.