Monthly Archives: January 2012

Warm Starting a Recommender with Hadoop

In my earlier post I discussed the solution for cold starting a recommender. Cold starting refers to the situation when no user interaction data is available. You may have a newly registered user in your web site. The user may … Continue reading

Posted in Big Data, Data Mining, Hadoop and Map Reduce, Recommendation Engine | Tagged , | 1 Comment

Fraudsters, Outliers and Big Data

Recently, I started working on Hadoop based solutions for fraud detection. Fraud detection is critical for many industries,  including  but not limited to financial,  insurance  and retail. Data mining is a key enabler in effective fraud detection. In this and … Continue reading

Posted in Big Data, Data Mining, Fraud Detection | Tagged , , | 22 Comments