1. CNN Money;Annual Ranking of Americas Largest Corporations,2011
2. Federal Trade Commission;Children's Online Protection Privacy Act,1998
3. US Senate Committee on Banking, Housing, and Urban Affairs;Conference Report and Text of The Gramm–Leach–Bliley Bill,1999
4. An improved fuzzy clustering method for text mining;Deng,2010
5. Applying an enhanced algorithm for mining incremental updates on an Egyptian newspaper website, INC, IMS and IDC, NCM’09;El Fangary,2009