1. A method of providing collaborative tag sets to assist navigation of a folksonomy, comprising: creating a tag set definition user interface display object, wherein said tag set definition user interface display object enables a user to define a tag set by indicating a plurality of tags to be contained in said tag set, wherein each of said tags contained in said tag set are available for association with bookmarks in a folksonomy; wherein said tag set definition user interface display object is created independently from any bookmark; conveying the contents of said tag set to said folksonomy; creating a bookmark retrieval user interface display object, wherein said bookmark retrieval user interface display object enables a user to retrieve a list of bookmarks associated with an originally entered tag; determining that said originally entered tag is contained within said tag set; responsive to said determination that said originally entered tag is contained within said tag set, displaying at least one list of selectable tags including at least one other tag contained in said tag set; enabling said user to select at least one additional tag from said list of selectable tags; and displaying bookmarks associated with said originally entered tag and bookmarks associated with said at least one additional tag.