| Publisher | The person or organization responsible for making the document available or for putting into print. | 
    
      | Contributors | A person or organization responsible for making contributions to the content of the document. | 
    
      | Date | A date associated with an event in the life cycle of the document, in YYYY-MM-DD format, as per ISO 8601. | 
    
      | Type | The nature or genre of the content of the document, eg. categories, functions, etc. | 
    
      | Format | The physical or digital manifestation of the document. Media type and dimensions would be worth noting. RFC2045,RFC2046 for MIME types are also useful here. | 
    
      | Identifier | An unambiguous reference to the document within a given context such as ISBN or URI. | 
    
      | Source | A reference to a document from which the present document is derived, eg. ISDN or URI. | 
    
      | Language | The language in which the content of the document is written, usually a ISO-639 language code. Optionally suffixed with a hyphen and an ISO-3166 country code, eg. en-GB, fr-CH. | 
    
      | Relation | A reference to a related document, possibly using a formal identifier such as a ISBN or URI. | 
    
      | Coverage | The extent or scope of the content of the document, possibly including location, time and jurisdiction ranges. | 
    
      | Rights | Information about rights held in and over the document, eg. copyright, patent or trademark. |