]> Collections v. 1.2 1.2 en Collections ontology Paolo Ciccarese Marco Ocana January 14, 2009 rdf/xml element - The link to the members of a Set followedBy - The link to the first item of the list item - The link to every item of the Bag itemContent - The link to the actual resource to which the item refers. lastItem - The link to the first item of the list nextItem - The link to the next item in a list (ordered collection) preceededBy - The link to the previous item in a list (ordered collection) previousItem - The link to the previous item in a list (ordered collection) size - The number of item belonging to a collection Item - Element belonging to a Bag ListItem - Element belonging to a list List - An ordered array of items, that can be present in multiple copies 1 1 Bag - Collection that can have a number of copies of each object Set - A collection that cannot contain duplicate elements. Collection - A group of objects that can be considered as a whole.