Andrew Freed

Andrew is a technical lead in the IBM Watson development organization. He has worked at IBM since 2003. Andrew has several developer-focused articles on developerWorks and has filed over 70 patents. After work, Andrew enjoys spending time with his two sons.

How to test a cognitive system (and why it’s so important).

Watson solutions are probabilistic systems, generally based on machine learning algorithms involving hundreds or thousands of variables, and as such are a far cry from the deterministic systems I was used to. This blog post and several following will chronicle my experiences testing these systems as well as sharing some lessons learned along the way.   Continue reading How to test a cognitive system (and why it’s so important).