1. A knowledge asset management system for an engineering data analysis system having a plurality of objects, comprising: a first storage device storing records of users registered in the engineering data analysis system; a second storage device storing records of the operating history of the objects; a processor generating an object table specifying the characteristics of each object, determining the logical connection between the objects according to the operating history of the users and the characteristics of each object, and generating an object relational table accordingly; and a knowledge asset database storing the object table and the object relational table, containing records of a trigger object and a corresponding linking object.