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Profile Details
Subject Matter Expertise
Services
Work Experience
Self Employed
- Present
Research Scholar
Chennai Mathematical Institute
January 2014 - Present
Software Architect
Self Employed (Contractor to Info Reliance and CSC at the IRS)
May 2007 - June 2013
Software Architect
Self Employed (Contractor to Fannie Mae and Freddie Mac)
January 2006 - May 2007
Technical Lead
Self Employed (Contractor to Freddie Mac)
August 2004 - December 2005
Software Engineer
Self Employed (Contractor to Northrop Grumman IT)
January 2003 - August 2004
Software Engineer
Metro Optix
May 2001 - October 2002
Software Engineer
Timera
January 1997 - April 2001
Education
PhD (Computer Science)
Chennai Mathematical Institute
January 2014 - June 2019
Certifications
- Certification details not provided.
Publications
JOURNAL ARTICLE
(2020). A Bayesian perspective of statistical machine learning for big data . Computational Statistics.
Sambasivan, Rajiv and Das, Sourish(2018). Classification and Regression Using Augmented Trees . International Journal of Data Science and Analytics. p. 1--18. Springer
Das, S., Roy, S., Sambasivan, R.(2018). Fast Gaussian Process Regression for Big Data . Big Data Research.
CONFERENCE PAPER
Sambasivan, R., Das, S.(2018). A statistical machine learning approach to yield curve forecasting . ICCIDS 2017 - International Conference on Computational Intelligence in Data Science, Proceedings. 2018-January. p. 1-6.
Sambasivan, Rajiv and Das, Sourish(2017). Big Data Regression Using Tree Based Segmentation. Proceedings of INDICON. IEEE