![O'Reilly Radar Podcast - O'Reilly Media Podcast show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/056/601/small/o-reilly-radar.jpg)
Summary: <p>This week, I talk with <a href="https://twitter.com/zelandiya">Alyona Medelyan</a>, co-founder and CEO at <a href="http://www.getthematic.com/">Thematic</a> and founder and CEO at <a href="http://entopix.com/">Entopix</a>. We talk about natural language understanding, the challenges of analyzing unstructured text, and her <a href="http://www.medelyan.com/software">open source indexing tool Maui</a> that she's been working on for the past 10 years.</p>