From these modeling aspects, identification of business services is an important activity, which is one-to-one mapping to an it service realization.

Namespace prefixes are basically meaningless to anyone except the author of the original document and relying on a constant one-to-one mapping of namespace prefixes to URIs is unwise at best.

You might have noticed that I don't use a one-to-one mapping between the pixels in the image and the cells in the CA.