March 27 to 29 2017, Santa Clara, USA.

Speakers

Speaker "Venkatesh Ramanathan" Details

Name :
venkatesh ramanathan
Company :
Title :
Data Scientist
Topic :

Large Scale Machine Learning for Payment Fraud Prevention

Abstract :

PayPal is at the forefront of applying large scale machine learning algorithms to keep fraudsters at bay. In this talk, I’ll present how advanced machine learning algorithms such as Deep Learning and Gradient Boosting are applied at PayPal for fraud prevention. I’ll elaborate on specific challenges in applying large scale machine technique to payment fraud prevention. I’ll explain how we employ sophisticated machine learning tools – open source and in-house developed. I will also present results from experiments conducted on a very large data set containing over 100 million examples and 1000s of features.

Profile :
Venkatesh is a senior data scientist at PayPal where he is working on building state-of-the-art tools for payment fraud detection. He has over 20+ years experience in designing, developing and leading teams to build scalable server side software. In addition to being an expert in big-data technologies, Venkatesh holds a Ph.D. degree in Computer Science with specialization in Machine Learning and Natural Language Processing (NLP) and had worked on various problems in the areas of Anti-Spam, Phishing Detection, and Face Recognition.
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