Andrew Freed

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Andrew is a technical lead in the IBM Watson development organization, responsible for helping clients transform their businesses using cognitive technologies. He has several developer-focused articles on developerWorks and has filed over 70 patents. You can find more of Andrew's work on LinkedIn and Twitter (@andrewrfreed) and his personal blog http://freedville.com/blog/. After work, Andrew enjoys spending time with his two sons.

Posts from this devCenter

Cognitive System Testing: Concluding remarks

This blog series has focused on a set of techniques needed for testing a cognitive system. As previously discussed, the cognitive system itself may be...

Cognitive System Testing: So, I don’t need to unit test my cognitive system?

Unit testing is still the foundation of testing a cognitive system and is critical for verifying that each of the system components is working correctly....

Cognitive system testing: Overall system accuracy testing

As described in previous posts, cognitive systems are probabilistic, non-deterministic systems, which will never achieve 100% accuracy. (After all – what is the accuracy of...

Cognitive system testing: Natural language processing unit testing

Natural Language Processing (NLP) is the way cognitive systems extract meaningful information out of plain text. NLP is part art and part science, and as...

Cognitive system testing: Testing at the beginning with ingestion verification test

A cognitive system is only as good as the data loaded into the system. Loading data into a cognitive system is often referred to as...

Cognitive system testing: Smoke testing

One quick way of testing a cognitive system is to use a “smoke test”, which tells you if the system is behaving so poorly that...

Posts from other devCenters
Articles from the developerWorks library

Adapt DevOps to cognitive and artificial intelligence systems

Explore an outline of a "cognitive DevOps" process that refines and adapts the best parts…

Step by step how-to on integrating your application with IBM Tivoli Monitoring 6.1

As a customer or business partner looking to hook an application to IBM Tivoli Monitoring…