Deals with naming conventions for the following entities: - a metadata term (Term); - a historical snapshot of the attributes describing a Term (Term Description); - a set of one or more annotations about a property used in an application as cited in an Application Profile (Property Usage); - a set of one or more Terms (Term Set); - a document documenting a Term Set (Term-Set Document); - a formal schema (e.g., in RDF) declaring one or more Terms (Term-Set Schema); - a set of one or more Term Usages (Application Profile).