Choudur Lakshminarayan
Teaching Professor
School of Business
Education
- PhD (1990) The University of Texas (Mathematical Sciences)
Research
Research Areas
Large-Scale Machine Learning, Mathematical Statistics, Applied Mathematics, Biostatistics, Statistical Signal Processing, Data Mining, Text Mining, and Industrial Mathematics, and Causal Inference.
Application Areas
Highly Scalable Algorithms, Sensor Analytics, Healthcare and Pharmaceuticals, Energy, Semiconductor manufacturing, Database Technology, Large Scale Data centers, Finance, Marketing Optimization, Web analytics, Digital Marketing
Large-Scale Machine Learning, Mathematical Statistics, Applied Mathematics, Biostatistics, Statistical Signal Processing, Data Mining, Text Mining, and Industrial Mathematics, and Causal Inference.
Application Areas
Highly Scalable Algorithms, Sensor Analytics, Healthcare and Pharmaceuticals, Energy, Semiconductor manufacturing, Database Technology, Large Scale Data centers, Finance, Marketing Optimization, Web analytics, Digital Marketing
Experience
Academic
Industry Professor of Statistics, College of Business, Stevens Institute of Technology
Adjunct Assistant Professor, Department of Statistics and Data Sciences and Electrical and Communication Engineering, The University of Texas at Austin, 2018-2022
Adjunct Professor, Department of Mathematics and Statistics, American University, D.C., 2020-2022
Faculty Affiliate and Adjunct Assistant Professor, Department of Statistics and Data Sciences, The University of Texas at Austin, September 2012-2022
Visiting Professor, Indian Institute of Technology, Hyderabad, Department of Electrical Engineering, Spring, 2012- June 2013
Professor, Indian Institute of Information Technology, Bangalore, 09/2003-06/2004
Industry
Engineering Fellow, Sr. Director, Chief Data Scientist, Teradata Labs, 2016-2022
Principal Research Scientist, Big Data Advanced R&D Center, Hewlett-Packard Laboratories, 2013-2016
Principal Research Scientist, Hewlett-Packard Laboratories, 2007-2013
Senior Research Scientist, Hewlett-Packard Laboratories, 2002-2007
Sr. Member Technical Staff, E-Business Research, Compaq Computer 2001-2002
Member Technical Staff, Advanced Product Development and Research Labs, Motorola, 2000- 2001
Mathematical Statistician, Texas Instruments, 1992- 2000
Analyst/Biostatistician, Johnson and Johnson, 1988-1989Scientific
Industry Professor of Statistics, College of Business, Stevens Institute of Technology
Adjunct Assistant Professor, Department of Statistics and Data Sciences and Electrical and Communication Engineering, The University of Texas at Austin, 2018-2022
Adjunct Professor, Department of Mathematics and Statistics, American University, D.C., 2020-2022
Faculty Affiliate and Adjunct Assistant Professor, Department of Statistics and Data Sciences, The University of Texas at Austin, September 2012-2022
Visiting Professor, Indian Institute of Technology, Hyderabad, Department of Electrical Engineering, Spring, 2012- June 2013
Professor, Indian Institute of Information Technology, Bangalore, 09/2003-06/2004
Industry
Engineering Fellow, Sr. Director, Chief Data Scientist, Teradata Labs, 2016-2022
Principal Research Scientist, Big Data Advanced R&D Center, Hewlett-Packard Laboratories, 2013-2016
Principal Research Scientist, Hewlett-Packard Laboratories, 2007-2013
Senior Research Scientist, Hewlett-Packard Laboratories, 2002-2007
Sr. Member Technical Staff, E-Business Research, Compaq Computer 2001-2002
Member Technical Staff, Advanced Product Development and Research Labs, Motorola, 2000- 2001
Mathematical Statistician, Texas Instruments, 1992- 2000
Analyst/Biostatistician, Johnson and Johnson, 1988-1989Scientific
Institutional Service
- Stevens Institute for Artificial Intelligence Member
- Program Academic Committee for the Business Intelligence and Analytics (BIA) and Management Information Systems (MIS) programs. Member
- Undergraduate Curriculum Committee for 2023-2024 Member
- AAC Member
- Course development for Frontiers of Technology Member
- the New Stevens Core Curriculum Committee: Frontiers of Technology module on Data Science and Analytics Member
- BI&A faculty meeting Member
- Non tenure track lecturer position in Information systems Chair
- Non-tenure track lecturer in Analytics Member
- Non tenure track position in Information systems Chair
- Search Committee for non-tenure track position in Analytics Member
Professional Service
- American Statistical Association, Austin, Texas Chapter Vice President
- American statistical association, Austin Chapter Vice President
Consulting Service
LiveOak Inc
Machine Learning and Forecasting models for predicting luxury real-estate properties going on sale in Southern California
7X.Energy, Solar Energy
Battery Storage Optimization and Bidding for Wind and Solar at Sub Stations in Texas
Rollick, Austin, Texas
Campaign Optimization for Forklifts by Toyota
BrilliantMD, An Austin based Health Analytics Company, 2016-2017
Analytical pipelines for optimized care-giving from acute care to rehabilitation
Imanage, a document analytics company, Chicago, Illinois, 2016-
Machine Learning for Document Clustering and Classification. Detection of fraud by attorneys at Law firms.
Realtor.Com, A Newscorp Company, Santa Clara, California
Machine Learning and Forecasting models for predicting real-estate properties going on sale in the United States of America.
Hologic Systems, Marboro, Massachusetts, 2017
Image recognition for automated Detection of Cancer of the Cervix.
Alberta Open Data Institute
A Canadian government initiative for analytics of publicly available data related to Healthcare, Energy, and other verticals with consequences to public policy
McKinsey & Company, Institute for Corporate Excellence, Washington, D.C., 2007
Consulting on Text analytics and mining methods to analyze enduring corporate excellence
BHEL, Research and Development, Government of India, 2007
Adviser on the project related to Gas turbine diagnostics and monitoring via machine learning
B2K Corporation and Brickwork, Bangalore, India, 2003-2005
Adviser related to Quantitative methods, Analytics, and Training in Finance, retail, Business process outsourcing, and Engineering
National Bank of Kuwait, Kuwait City, Kuwait, 2004
Workshop on “Analytics in Banking,” and advise on project related to customer recruitment and Retention, Kuwait City, Kuwait
Government of Karnataka, Revenue Department, 2003
Adviser related to Mining government lands records data to detect trends in crop yields, mutation time for deed transfers, and other aspects of government owned lands and tracts
World Omni Financial Corporation (Subsidiary of Toyota corporation), Deerfield Beach, Florida, 2000
Machine Learning and Forecasting models for predicting luxury real-estate properties going on sale in Southern California
7X.Energy, Solar Energy
Battery Storage Optimization and Bidding for Wind and Solar at Sub Stations in Texas
Rollick, Austin, Texas
Campaign Optimization for Forklifts by Toyota
BrilliantMD, An Austin based Health Analytics Company, 2016-2017
Analytical pipelines for optimized care-giving from acute care to rehabilitation
Imanage, a document analytics company, Chicago, Illinois, 2016-
Machine Learning for Document Clustering and Classification. Detection of fraud by attorneys at Law firms.
Realtor.Com, A Newscorp Company, Santa Clara, California
Machine Learning and Forecasting models for predicting real-estate properties going on sale in the United States of America.
Hologic Systems, Marboro, Massachusetts, 2017
Image recognition for automated Detection of Cancer of the Cervix.
Alberta Open Data Institute
A Canadian government initiative for analytics of publicly available data related to Healthcare, Energy, and other verticals with consequences to public policy
McKinsey & Company, Institute for Corporate Excellence, Washington, D.C., 2007
Consulting on Text analytics and mining methods to analyze enduring corporate excellence
BHEL, Research and Development, Government of India, 2007
Adviser on the project related to Gas turbine diagnostics and monitoring via machine learning
B2K Corporation and Brickwork, Bangalore, India, 2003-2005
Adviser related to Quantitative methods, Analytics, and Training in Finance, retail, Business process outsourcing, and Engineering
National Bank of Kuwait, Kuwait City, Kuwait, 2004
Workshop on “Analytics in Banking,” and advise on project related to customer recruitment and Retention, Kuwait City, Kuwait
Government of Karnataka, Revenue Department, 2003
Adviser related to Mining government lands records data to detect trends in crop yields, mutation time for deed transfers, and other aspects of government owned lands and tracts
World Omni Financial Corporation (Subsidiary of Toyota corporation), Deerfield Beach, Florida, 2000
Appointments
Selected Appointments
Associate Editor, Journal of Applied Stochastic Models in Business and Industry (ASMBI), Wiley
Editorial Board Member, Nature Scientific Reports
Quality and Productivity Research Conference (QPRC), American Society for Quality, 2019 (program committee)
SIAM International conference on data mining (program committee)
Joint Statistical meetings (program committee)
HP Tech Con’11, (Review Committee Member)
International Conference on Big Data Analytics, 2012, New Delhi, India (program committee)
Associate Editor, Journal of Applied Stochastic Models in Business and Industry (ASMBI), Wiley
Editorial Board Member, Nature Scientific Reports
Quality and Productivity Research Conference (QPRC), American Society for Quality, 2019 (program committee)
SIAM International conference on data mining (program committee)
Joint Statistical meetings (program committee)
HP Tech Con’11, (Review Committee Member)
International Conference on Big Data Analytics, 2012, New Delhi, India (program committee)
Innovation and Entrepreneurship
Co-Founder, Chief Scientific Officer, Pattern Sciences LLC: An Austin based Startup involved in Data Sciences and Machine Learning in Healthcare applications, and Department of Defense contracts.
Honors and Awards
Elected Member, International Statistical Institute (ISI)
Elected Fellow of the American Statistical Association
Engineering Fellow, Teradata Corporation
Elected Sr. Member Technical Staff, Advanced Career Path, Compaq Computer
Elected Master Technologist, Technical Career Path, HP laboratories
Over 30 issued United States Patents
Hewlett Packard Innovation Award Return on marketing Investment HP Star Award
Special Invited Paper, Topological Data Analysis in Digital Marketing, International Society for Business and Industrial Statistics
Special Invited paper, Markov Random Fields in Pattern Recognition for Semiconductor Manufacturing, Institute of Mathematical Statistics/American Statistical Association, Spring Research Conference, Alexandra, Virginia, (2001)
Elected Fellow of the American Statistical Association
Engineering Fellow, Teradata Corporation
Elected Sr. Member Technical Staff, Advanced Career Path, Compaq Computer
Elected Master Technologist, Technical Career Path, HP laboratories
Over 30 issued United States Patents
Hewlett Packard Innovation Award Return on marketing Investment HP Star Award
Special Invited Paper, Topological Data Analysis in Digital Marketing, International Society for Business and Industrial Statistics
Special Invited paper, Markov Random Fields in Pattern Recognition for Semiconductor Manufacturing, Institute of Mathematical Statistics/American Statistical Association, Spring Research Conference, Alexandra, Virginia, (2001)
Professional Societies
- ASA – American Statistical Association Fellow
Patents and Inventions
Selected Patents
Segments of contacts, 11,244,332, February 8, 2022
Incrementally Updating a Database Statistic, 10,922,314, February 16, 2021
Singular Value Decompositions, 10,012,1527, September 1, 2020
Segments of Contacts, 10,565,603, February 18, 2020
Multi-column statistic generation of a multi-dimensional tree, 10,545 January 28, 2020
Managing Database with Counting Bloom Filter, 10,452,676, October 22, 2019
Incrementally Updating Statistics, 10,430, 41, October 1, 2019
Estimating Unique Entry Counts Using a Counting Bloom Filter, 9, 465,826, October 11, 2016
Generating a Qury plan for estimating a number of unique attributes, in a database, 9,576,027, February 21, 2017
Energy Based Wavelet Thresholding, 9,405,731, February 21, 2017
Anomaly Detection in Streaming Data, 9,218,527, April 1, 2014
System and Method for Ranking Anomalies, 9,141 914, September 22, 2015
Estimate the number of unique values in a list, 9,158, 815, October 13, 2015
Detecting Regime Change in Streaming Data, 9,078,629, July 14, 2015
Classifying Unclassified Samples, 9,037,518, May 19, 2015
Anomaly Detection in Data Centers, 8,668,620, April 1, 2014
Classification of a signal in a time domain,8,706,203, April 22, 2014
Compression of Non-dyadic Sensor data Organized within a Non-dyadic Hierarchy, 8,898,209, November 25, 2014
Estimation of Unique Database Values, 8,549,004, October 1, 2013
Website Analysis using Quantitative and Qualitative Data, 8,396,737, March 12, 2013
Method and System for Site Path Evaluation Using Web Session Clustering, 8,572, 223, October 29, 2013
Method and apparatus for identifying anomalies of a signal, 8,620,609, December 31, 2013
Prediction of Financial Performance for a Portfolio of Marketing Investments, 8,180,693, May 15, 2012
System and Method for Incorporating Qualitative inputs in Econometric Models. 8,180, 694, May 15, 2012
System and method for optimizing financial performance generated by marketing investments under budget constraints, 8,027,897, September 27, 2011
Multi Regime Detection in Streaming Data, 8,620,987
Process Capability Metrics in On-line Monitoring, (US7,002,106,82): Defensive Publication
System and Method for estimating unique attributes in a database, 7,428,550, September 23, 2008
Segments of contacts, 11,244,332, February 8, 2022
Incrementally Updating a Database Statistic, 10,922,314, February 16, 2021
Singular Value Decompositions, 10,012,1527, September 1, 2020
Segments of Contacts, 10,565,603, February 18, 2020
Multi-column statistic generation of a multi-dimensional tree, 10,545 January 28, 2020
Managing Database with Counting Bloom Filter, 10,452,676, October 22, 2019
Incrementally Updating Statistics, 10,430, 41, October 1, 2019
Estimating Unique Entry Counts Using a Counting Bloom Filter, 9, 465,826, October 11, 2016
Generating a Qury plan for estimating a number of unique attributes, in a database, 9,576,027, February 21, 2017
Energy Based Wavelet Thresholding, 9,405,731, February 21, 2017
Anomaly Detection in Streaming Data, 9,218,527, April 1, 2014
System and Method for Ranking Anomalies, 9,141 914, September 22, 2015
Estimate the number of unique values in a list, 9,158, 815, October 13, 2015
Detecting Regime Change in Streaming Data, 9,078,629, July 14, 2015
Classifying Unclassified Samples, 9,037,518, May 19, 2015
Anomaly Detection in Data Centers, 8,668,620, April 1, 2014
Classification of a signal in a time domain,8,706,203, April 22, 2014
Compression of Non-dyadic Sensor data Organized within a Non-dyadic Hierarchy, 8,898,209, November 25, 2014
Estimation of Unique Database Values, 8,549,004, October 1, 2013
Website Analysis using Quantitative and Qualitative Data, 8,396,737, March 12, 2013
Method and System for Site Path Evaluation Using Web Session Clustering, 8,572, 223, October 29, 2013
Method and apparatus for identifying anomalies of a signal, 8,620,609, December 31, 2013
Prediction of Financial Performance for a Portfolio of Marketing Investments, 8,180,693, May 15, 2012
System and Method for Incorporating Qualitative inputs in Econometric Models. 8,180, 694, May 15, 2012
System and method for optimizing financial performance generated by marketing investments under budget constraints, 8,027,897, September 27, 2011
Multi Regime Detection in Streaming Data, 8,620,987
Process Capability Metrics in On-line Monitoring, (US7,002,106,82): Defensive Publication
System and Method for estimating unique attributes in a database, 7,428,550, September 23, 2008
Selected Publications
Selected Publications
Exploring the effects of urban network topologies on entropy trajectories of segregation, Nature-Scientific Reports, Scientific Reports volume 14, Article number: 19188 (2024), https://www.nature.com/articles/s41598-024-70029-x. (Five-year Impact Factor: 4.3)
Topological Data Analysis in Digital Marketing,2018, (With Mingzhang, Yin), Applied Stochastic Models in Business and Industry,John Wiley & Sons, vol. 36(6), pages 1014-1028
Model Management and Handwritten Character Recognition, 2019 IEEE International Conference on Big Data (Big Data), 2019, pp. 6110-6112
Modeling Complex Clickstream Data by Stochastic Models: theory and Practice, WWW (Companion Volume) pp. 879-884, 2016
Time-based Compression and Classification of Heartbeats, IEEE Transactions on Biomedical Engineering, Volume:59, Issue:6, Pages:1641-1648
Statistical Techniques for Online Anomaly Detection in Data Centers, IM 2011: Proc. of 12th IFIP/IEEE International Symposium on Integrated Network Management, 2011:385-392
Non-Dyadic Haar Wavelets for Streaming and Sensor Data, Proc. of IEEE 26th International Conference on Data Engineering (ICDE). March 1-6, 2010. Los Angeles, USA, pp- 569-580, 2010
Markov Random fields in Pattern Recognition for Semiconductor Manufacturing,” Technometrics, Vol. 43, No. 1, pp.66-72, 2001
On estimating the Mean in a Bivariate Normal Distribution,” Journal of Statistical Simulation and Computation, pp-155-170, Vol. 58, 1997
An Adaptive Estimator of Location based on the t-family, Communications in Statistics, Theory and Methods, Vol. 23, pp-747-761, 1996.
Modified embedding for multi-regime detection in non-stationary streaming data, Proc. of IEEE, ICASSP, 2011, 2256-2259
Time encoding using the Integrate and fire sampler: Discriminative Representation for Neural Action Potentials, Proc. of International Conference on Sampling Theory and Applications SampTA'11, 2011
Mixture of designer-experts for multi-regime detection in streaming Data, in Proceedings of 20th European Signal Processing Conference (EUSIPCO, 2012), Page(s):410-414
Exploring the effects of urban network topologies on entropy trajectories of segregation, Nature-Scientific Reports, Scientific Reports volume 14, Article number: 19188 (2024), https://www.nature.com/articles/s41598-024-70029-x. (Five-year Impact Factor: 4.3)
Topological Data Analysis in Digital Marketing,2018, (With Mingzhang, Yin), Applied Stochastic Models in Business and Industry,John Wiley & Sons, vol. 36(6), pages 1014-1028
Model Management and Handwritten Character Recognition, 2019 IEEE International Conference on Big Data (Big Data), 2019, pp. 6110-6112
Modeling Complex Clickstream Data by Stochastic Models: theory and Practice, WWW (Companion Volume) pp. 879-884, 2016
Time-based Compression and Classification of Heartbeats, IEEE Transactions on Biomedical Engineering, Volume:59, Issue:6, Pages:1641-1648
Statistical Techniques for Online Anomaly Detection in Data Centers, IM 2011: Proc. of 12th IFIP/IEEE International Symposium on Integrated Network Management, 2011:385-392
Non-Dyadic Haar Wavelets for Streaming and Sensor Data, Proc. of IEEE 26th International Conference on Data Engineering (ICDE). March 1-6, 2010. Los Angeles, USA, pp- 569-580, 2010
Markov Random fields in Pattern Recognition for Semiconductor Manufacturing,” Technometrics, Vol. 43, No. 1, pp.66-72, 2001
On estimating the Mean in a Bivariate Normal Distribution,” Journal of Statistical Simulation and Computation, pp-155-170, Vol. 58, 1997
An Adaptive Estimator of Location based on the t-family, Communications in Statistics, Theory and Methods, Vol. 23, pp-747-761, 1996.
Modified embedding for multi-regime detection in non-stationary streaming data, Proc. of IEEE, ICASSP, 2011, 2256-2259
Time encoding using the Integrate and fire sampler: Discriminative Representation for Neural Action Potentials, Proc. of International Conference on Sampling Theory and Applications SampTA'11, 2011
Mixture of designer-experts for multi-regime detection in streaming Data, in Proceedings of 20th European Signal Processing Conference (EUSIPCO, 2012), Page(s):410-414
Courses
Undergraduate
Advanced Probability and Stochastic Processes
Data Science Principles (Statistical Learning)
Statistical Software using SAS
Probability and StatisticsApplied Statistics for Business and Management
Linear programming and applications
Calculus
Analytic Geometry
College Algebra
Graduate
Design of Experiments
Streaming Data Analytics
Data Management
Foundations of Business Analytics
Multivariate Analysis
Linear Models theory
Streaming Data and Pattern Analysis (Statistical Time Series)
Foundations of Probability and Statistics
Statistical Pattern Recognition
Applied Statistics for Scientists and Engineers
Statistical Quality ControlLinear Regression Analysis
Mathematics for Management sciences
Industrial Training (Advanced)
Design and Analysis of Statistical Experiments, Texas Instruments Incorporated)
Statistical Process and Quality Control, Texas Instruments Incorporated
Large-Scale Machine Learning: Theory and Computation (Teradata Engineering)
Advanced Probability and Stochastic Processes
Data Science Principles (Statistical Learning)
Statistical Software using SAS
Probability and StatisticsApplied Statistics for Business and Management
Linear programming and applications
Calculus
Analytic Geometry
College Algebra
Graduate
Design of Experiments
Streaming Data Analytics
Data Management
Foundations of Business Analytics
Multivariate Analysis
Linear Models theory
Streaming Data and Pattern Analysis (Statistical Time Series)
Foundations of Probability and Statistics
Statistical Pattern Recognition
Applied Statistics for Scientists and Engineers
Statistical Quality ControlLinear Regression Analysis
Mathematics for Management sciences
Industrial Training (Advanced)
Design and Analysis of Statistical Experiments, Texas Instruments Incorporated)
Statistical Process and Quality Control, Texas Instruments Incorporated
Large-Scale Machine Learning: Theory and Computation (Teradata Engineering)