Learn More About Building Text Classifiers

You could start by watching some of the videos from the early days of DiscoverText:

Jobs Versus Steve Jobs

http://www.screencast.com/t/gyN51cLN

 

Bloomberg Pilot

http://www.screencast.com/t/RgmiOc4dznE

 

Bloomberg Part 2

http://www.screencast.com/t/RgmiOc4dznE

 

Building a Social Sifter

http://www.screencast.com/t/kpnQ9kdYvS

 

These were some of the key moments early in the development of the software where we started to see how the application of our human coding and measurement tools to the text classification problem could yield promising machine-learning results.