The Fifth Elephant 2012

Finding the elephant in the data.

Recommendation Play @Flipkart

Submitted by Gaurav Bhalotia on Saturday, 23 June 2012

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Technical level

Intermediate

Section

Data Analytics

Session type

Lecture

Status

Confirmed

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Objective

We will go over internet recommendation systems and how the user data can be mined to learn about preferences, tastes and behavior. The goal is to give users a flavor of building intelligent systems at scale.

Description

Product discovery is an important step in users interaction with an ecommerce website and recommendation systems play a very useful part in the discovery process. Recommendation Systems aim to predict the user’s intent and help connect them to products they need or may be interested in. Recommending the right set of products for every user, understanding his intent and foreseeing the future requirements is very important. This becomes ever so important with increasing size of the catalog, making it harder for every user to express their intent through well formed queries.

In this talk we’ll motivate different ways in which recommendation systems simplify and enrich the discovery/decision process. We will talk about various types of recommendations and algorithms aimed at mining the collective intelligence from the users of our website. We will cover the challenges faced while building the flipkart recommendation system:

--Where to begin

--How and what data to collect from users

--Analyzing and understanding the above data to mine personal tastes and behaviour patterns

--Scaling challenges and achieving performance both at the frontend and the backend

Speaker bio

Gaurav Bhalotia is the Director of Engineering for the Customer Platform at Flipkart. He has interest in information retrieval, search, categorization and related technologies and has several years of experience building scalable solutions around these. Prior to this he was leading teams at Kosmix (now @walmartlabs) and Retrevo building scaleable intelligent solutions.

Renuka and Pavan are the engineers behind Flipkart Recommendation System. They built the initial engine and have taken it through several improvements to a stage where it is a significant and important part of product discovery at Flipkart.

Renuka Khandelwal is SDE2 at Flipkart. Prior to joining Flipkart, she was with Siemens as Research Engineer in the Distributed System Team. Her major work is around Information Retrieval, Data Mining, Distributed Systems etc.

Pavan is working with Flipkart as SDE2. Prior to this, he was with Oracle working on the Security Framework for the Oracle Enterprise Manager. Post Graduated from IIT Madras, passionate to solve the complex algorithmic problems.

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