Cognitive Computing researcher here.
This system utilizes vector space and is based on a development at Lawrence Berkeley National Laboratory:
https://www.kaggle.com/c/word2vec-nlp-tutorial/forums/t/1234...
http://genopharmix.com/biomimetic-cognition/in_silico_cognit...
It's designed to mimic the process of human cognition aka AI.
It's fairly sophisticated as shown by its results.