Tagging Systems
What is Tagging?
keyword, description, classification, user-based, collaboration, easy, linear thinking, flickr, del.icio.us, hotissue, muststudy
Best examples: flickr, del.icio.us, gmail, technorati
Goals: organizing, sharing, navigating, filtering, searching, etc
Taxonomy vs. Folksonomy
Taxonomy: hierarchical & exclusive
Folksonomy(by tagging): non-hierarchical & inclusive
Automatic annotation vs. Tagging
Automatic annotation: content-based & good for only text
Tagging: context-based & good for multimedia data
Kinds of Tags
1.Identifying What it is About
ex) ajax, cat, mountain, etc
2.Identifying What it Is
ex) article, blog, book, etc
3.Identifying Who Owns It
ex) MichaelArrington, DionHinchcliffe, etc
4.Refining Categories
ex) 25, 100, etc
5.Identifying Qualities or Characteristics
ex) funny, stupid, interesting, inspiration
6.Self Reference
ex) mystuff, mycomments, etc
7.Task Organizing
ex) toread, jobsearch, musthave, etc
Unified User-Resource-Relation Model Analysis for Tagging
