Compare effectiveness of methods and frameworks of identity management.Describe different examples from your reading

Compare effectiveness of methods and frameworks of identity management.Describe different examples from your reading and experience that represent each of 3 approaches to re-categorization.
Provide examples of  (a)decategorization, (b) cross-categorization and (c) supercategorization based on your reading and experience
Discuss how they can contribute to identity management process

Readings: Korostelina (e-book): 201-239; Ashmore(e-book): 187-213;McKeown(e-book): 261- 276, 333-347