Author Archives: Darren Vengroff

About Darren Vengroff

A renowned computer scientist and technology industry veteran, Darren is responsible for all of RichRelevance’s analytical and machine learning development – from high-level strategy and analytics, to strategic implementation plans. From startups to industry leaders Amazon.com and Goldman Sachs, Darren has designed and built a variety of world-class customer-focused scalable applications. To continue reading Darren's profile click here.

Ensemble Learning: Live on TV’s Jeopardy and Behind the Scenes on Leading Retail Websites

by Darren Vengroff in Data Mining & Algorithms on February 14, 2011

Starting today, IBM’s Watson supercomputer will go up against a pair of human Jeopardy champions. Regardless of whether man or machine comes out on top, it will be a banner day for a machine learning technique called ensemble learning. Ensemble learning is based on the notion that tens or hundreds of independent algorithms, each aimed … Continue Reading

The Inspiration Behind RecLab: Don’t Bring the Data to the Code, Bring the Code to the Data

by Darren Vengroff in Data Mining & Algorithms, RecLab on January 31, 2011

Last fall I had the pleasure of visiting Barcelona, one of my favorite cities on earth. It normally wouldn’t take much beyond the great Catalan food and wine to entice me to visit, but in this case there was an even more compelling reason to visit—to participate in the ACM Recommender Systems conference and spend … Continue Reading

Contributed Article on Mashable

by Darren Vengroff in Marketing Trends, Personalization on August 6, 2010

Today, I had the opportunity to write about the Amazon-Facebook partnership on Mashable with a post titled How Online Retailers Can Leverage Facebook’s Open Graph. This post is directly tied to my ongoing interest in consumer focused applications, which has led me into the online retail space (first at Amazon.com and now at RichRelevance) as … Continue Reading

Know Thy Shopper: Inside the RichRelevance Core Platform

by Darren Vengroff in Data Mining & Algorithms, Personalization on January 26, 2010

Feature-richness in the ecommerce space has now become critical for today’s sophisticated shopper, who is presented with a multitude of sites that they can enter and abandon with mere clicks of a mouse. When an online shopper has a good first experience with a website, sixty percent of the time he/she will return to that … Continue Reading

The Online Shopper’s Need For Speed

by Darren Vengroff in Reporting & Analytics, eCommerce Trends on July 9, 2009

June 25, 2009 will be remembered in many memories as the day Michael Jackson died, but for those of us working the front lines of Internet infrastructure June 25, 2009 will be the day our servers and the patience of millions of users was tested with the news of Michael Jackson’s death. Here at RichRelevance … Continue Reading