Cognitive Systems Spending Market, By Device Type (Hardware, Software and Services), By Technology (Natural Language, Processing Machine Learning and Automated Reasoning), By Deployment (Public and On-premise), By Vertical (Banking, Education, Government, Healthcare, Insurance, Manufacturing, Securities and investment services, Telecommunications, Transportation, Other industries (Cross industries, Discrete manufacturing, Process manufacturing, retail)) and by Region (North America, Europe, Asia Pacific, RoW) - Size, Share, Outlook, and Opportunity Analysis, 2020 - 2027