The need for orthogonality analysis for structured entities is presented. The paper presents the basic aspects involving data files. The basic concepts of data files are presented. The paper defines a method for analyzing the orthogonality of structured entities. A model for the orthogonality...

There are presented aspects of orthogonality in the development of the national digital wealth. There is presented the concept of NDW. Are identified quality characteristics. Are built orthogonality metrics for software development applications which are parts of NDW.