Pyramid (DIKW pyramid) to models which refers to the relationship structural between data, information, knowledge (science) and wisdom (wisdom or wisdom) to work trend. Usually, each layer defining a pattern on the lower layer are defined. For example, the information to certain patterns of data is said to be, or knowledge skill by finding the template in the information and data that is based on a specialized field of this type of information and data are different.

all versions of the model includes these four components are not (the previous version of the layer data, not some new version lacks the layer of wisdom are), and some models parts have additional. In addition to the pyramid this relationship as hierarchy, etc., chain and framework, also known. For example, adding a layer of "fact" at the bottom of the most part, some references can be seen because the "given" reality of the war that is recorded.