Relation pm#name (?,?)
  exclusion:  rst#attributive_relation  pm#purpose  aktp#has-author  aktp#owned-by  pm#owner  pm#owner_of  sumo#leader  pm#seller  pm#customer  pm#generator  pm#creator  pm#spatial_origin  sumo#exploits  sumo#has_purpose  sumo#has_purpose_for_agent  pm#measure  pm#attribute  dc#Date  rdf#value  pm#rdf_reification_relation  pm#support  pm#example  pm#syntax  akts#has-magnitude
  supertype:  pm#attributive_relation__attributiverelation  like pm#binary_relation, this type mostly exists to categorize what cannot be categorized elsewhere
  subtype:  dc#Title (? -> pm#entity)  to specify a name of a resource
  subtype:  dc#Identifier (? -> pm#string)  to specify a reference that is unambiguous within a given context; SHOULD NOT BE USED IN WEBKB
     subtype:  dl#identifier (dl#entity -> rdfs#Literal)  a relation between an individual of a concept and the identifier of that concept; the identifier is a concrete data type, usually non_meaningful from the lexical viewpoint; useful to map many database relationships
  subtype:  rdfs#label (?,pm#string)  in WebKB, with FO, use the link '_'
     subtype:  dl#name (dl#entity,rdfs#Literal)  a relation between an instance of a concept and the name (instance of a concrete data type) of that concept; the name has to be a lexically meaningful name
     subtype:  akts#has-pretty-name (?,pm#string)
     subtype:  akts#has-variant-name__hasvariantname (?,pm#string)
  subtype:  tap#plural (?,pm#string)  to specify plural names; do not use in WebKB
  subtype:  tap#singular (?,pm#string)  to specify singular names; do not use in WebKB