A review usually consists of the customer’s opinion on various aspects of the product, the service, or the website itself. Extracting these opinions can help e-commerce store owners understand the state of their business and improve it accordingly.

In this talk, we will give an intuitive explanation on how NLP models work, and describe how we built our Insights engine for extracting topics and opinions from reviews, along with their corresponding sentiment scores (i.e., good, bad or neutral).