A cognitive system for business and technical support: A case study. - Pankaj Dhoolia; Pallavi Chugh; Pierre Costa; Neelamadhav Gantayat; Monika Gupta 002; Nanda Kambhatla; Rajesh Kumar; Senthil Mani; Pulak Mitra; Cathy Rogerson; Mayur Saxena (IBM J. Res. Dev., 2017)