1. SHEN J. IBM’s Fourth Strategic Transformation: the Arriving of Cognitive Business[N/ OL]. The Economic Observer, 2016.3.6[2016–03–14]. http://tech.163.com/16/0306/07/BHF6CGVK000915BD.html .
2. LIN J, LUO R. Virginia Rometty: IBM Has Transformed into a Cognitive Solution and Cloud Platform Company[EB/OL]. (2016–01–07) [2016–03–02]. http://tech.qq.com/a/20160107/044607.htm .
3. KONG L. IBM’s Ambition in Cognitive Business[N/OL]. China Business News, 2016–03–04[2016–05–04]. http://finance.ifeng.com/a/20160304/14249004_0.shtml .
4. JI J. Can the Elephant Keep on Dancing when IBM Faces Performance Downturn? [N/ OL]. 21st Century Economic Report, 2015–10–21[2016–03–25]. http://tech.sina.com.cn/it/2015-10-21/doc-ifxivsee8947982.shtml .
5. U.S. Media: Can Virginia Rometty Lead IBM to a Successful Make-over[EB/OL]. (2015–04–22) [2016–03–24]. http://tech.huanqiu.com/original/2015–04/6255267.html .