D-Lib Magazine January 2006 Volume 12 Number 1 ISSN 1082-9873 Folksonomies Tidying up Tags? 1. Introduction A folksonomy is a type of distributed classification system. It is usually created by a group of individuals, typically the resource users. Users add tags to online items, such as images, videos, bookmarks and text. These tags are then shared and sometimes refined. A general review of social