. . . "collections" . "Dictionary" . "collections" . . "A dictionary is an entity that provides a structure to some constituents, which are themselves entities. These constituents are said to be member of the dictionary." . "This concept allows for the provenance of the dictionary, but also of its constituents to be expressed. Such a notion of dictionary corresponds to a wide variety of concrete data structures, such as a maps or associative arrays." . . . "A given dictionary forms a given structure for its members. A different structure (obtained either by insertion or removal of members) constitutes a different dictionary." . . "http://www.w3.org/TR/2013/NOTE-prov-dictionary-20130430/#dictionary-conceptual-definition"^^ . . . "http://www.w3.org/TR/2013/NOTE-prov-dictionary-20130430/#expression-dictionary"^^ . . . "http://www.w3.org/TR/2013/NOTE-prov-dictionary-20130430/#dictionary-constraints"^^ .