about which information is to be held in a datab
ase and which the logical schema for that database encodes. The term data model (or data modeling method) is also used for a set of logical abstractions employed in constructing such a model. [Computer and Information Sciences] 
n., A grammar of metadata language; a formalized world view that provides a context for metadata by defining the structur
al
relationships between different types of elements and sometimes by characterizing the things to which the ele