1. In a document enrichment system, a computer-implemented method for creating at a meta-document server a new meta-document from an exported meta-document, comprising: (a) adding services in the new meta-document available at an importing meta-document server with services that map exactly to a predefined categorization; and (b) for those services not added at (a) but specified in the exported meta-document, adding services in the new meta-document available at the importing meta-document server with services that partially map to a predefined categorization, and have at least one dictionary and one key in common.