Karthik Natarajan

95 papers A* 2A 1C 1Misc 20Journal 64Unranked 7
YearRankTypeTitle / Venue / Authors
2025 J jnl
CEHR-XGPT: A Scalable Multi-Task Foundation Model for Electronic Health Records.
CoRR
Chao Pang, Jiheum Park, Xinzhuo Jiang, Nishanth Parameshwar Pavinkurve, Krishna S. Kalluri, Shalmali Joshi, Noémie Elhadad, Karthik Natarajan
2025 J jnl
FoMoH: A clinically meaningful foundation model evaluation for structured electronic health records.
CoRR
Chao Pang, Vincent Jeanselme, Young Sang Choi, Xinzhuo Jiang, Zilin Jing, Aparajita Kashyap, Yuta Kobayashi, Yanwei Li, Florent Pollet, Karthik Natarajan, Shalmali Joshi
2025 J jnl
Pairwise independent correlation gap.
Oper. Res. Lett.
Arjun Kodagehalli Ramachandra, Karthik Natarajan
2025 J jnl
Robustness to Dependency in Influence Maximization.
Manag. Sci.
Louis Chen, Chee Chin Lim, Divya Padmanabhan, Karthik Natarajan
2024 J jnl
CEHR-GPT: Generating Electronic Health Records with Chronological Patient Timelines.
CoRR
Chao Pang, Xinzhuo Jiang, Nishanth Parameshwar Pavinkurve, Krishna S. Kalluri, Elise L. Minto, Jason Patterson, Linying Zhang, George Hripcsak, Noémie Elhadad, Karthik Natarajan
2024 J jnl
Environment Scan of Generative AI Infrastructure for Clinical and Translational Science.
CoRR
Betina Idnay, Zihan Xu, William G. Adams, Mohammad Adibuzzaman, Nicholas R. Anderson, Neil Bahroos, Douglas S. Bell, Cody Bumgardner, Thomas R. Campion Jr., Victor M. Castro, James J. Cimino, I. Glenn Cohen, David A. Dorr, Peter L. Elkin, Jungwei W. Fan, Todd Ferris, David J. Foran, David A. Hanauer, Mike Hogarth, Kun Huang, Jayashree Kalpathy-Cramer, Manoj Kandpal, Niranjan S. Karnik, Avnish Katoch, Albert M. Lai, Christophe G. Lambert, Lang Li, Christopher J. Lindsell, Jinze Liu, Zhiyong Lu, Yuan Luo, Peter McGarvey, Eneida A. Mendonça, Parsa Mirhaji, Shawn N. Murphy, John D. Osborne, Ioannis Ch. Paschalidis, Paul A. Harris, Fred W. Prior, Nicholas J. Shaheen, Nawar Shara, Ida Sim, Umberto Tachinardi, Lemuel R. Waitman, Rosalind J. Wright, Adrian H. Zai, Kai Zheng, Sandra Soo-Jin Lee, Bradley A. Malin, Karthik Natarajan, W. Nicholson Price, Rui Zhang, Yiye Zhang, Hua Xu, Jiang Bian, Chunhua Weng, Yifan Peng
2024 J jnl
Identifying erroneous height and weight values from adult electronic health records in the All of Us research program.
J. Biomed. Informatics
Andrew Guide, Lina Sulieman, Shawn Garbett, Robert M. Cronin, Matthew E. Spotnitz, Karthik Natarajan, Robert J. Carroll, Paul A. Harris, Qingxia Chen
2024 J jnl
Using patient portals for large-scale recruitment of individuals underrepresented in biomedical research: an evaluation of engagement patterns throughout the patient portal recruitment process at a single site within the
J. Am. Medical Informatics Assoc.
Maura Beaton, Xinzhuo Jiang, Elise L. Minto, Chun Yee Lau, Lennon Turner, George Hripcsak, Kanchan Chaudhari, Karthik Natarajan
2023 — conf
A Model for Multi-Institutional Clinical Data Repository.
MIE
Karthik Natarajan, Chunhua Weng, Soumitra Sengupta
2023 A* conf
A Nonparametric Approach with Marginals for Modeling Consumer Choice.
EC
Yanqiu Ruan, Xiaobo Li, Karthyek Murthy, Karthik Natarajan
2023 J jnl
Clinical and temporal characterization of COVID-19 subgroups using patient vector embeddings of electronic health records.
J. Am. Medical Informatics Assoc.
Casey N. Ta, Jason E. Zucker, Po-Hsiang Chiu, Yilu Fang, Karthik Natarajan, Chunhua Weng
2023 J jnl
Discrete Optimal Transport with Independent Marginals is #P-Hard.
SIAM J. Optim.
Bahar Taskesen, Soroosh Shafieezadeh-Abadeh, Daniel Kuhn, Karthik Natarajan
2023 J jnl
Probability bounds for
Oper. Res. Lett.
Karthik Natarajan, Arjun Kodagehalli Ramachandra, Colin Tan
2023 J jnl
Representing and utilizing clinical textual data for real world studies: An OHDSI approach.
J. Biomed. Informatics
Vipina Kuttichi Keloth, Juan M. Banda, Michael J. Gurley, Paul M. Heider, Georgina Kennedy, Hongfang Liu, Feifan Liu, Timothy Miller, Karthik Natarajan, Olga V. Patterson, Yifan Peng, Kalpana Raja, Ruth M. Reeves, Masoud Rouhizadeh, Jianlin Shi, Xiaoyan Wang, Yanshan Wang, Wei-Qi Wei, Andrew E. Williams, Rui Zhang, Rimma Belenkaya, Christian G. Reich, Clair Blacketer, Patrick B. Ryan, George Hripcsak, Noémie Elhadad, Hua Xu
2023 J jnl
Tight Probability Bounds with Pairwise Independence.
SIAM J. Discret. Math.
Arjun Kodagehalli Ramachandra, Karthik Natarajan
2022 J jnl
A Representative Consumer Model in Data-Driven Multiproduct Pricing Optimization.
Manag. Sci.
Zhenzhen Yan, Karthik Natarajan, Chung-Piaw Teo, Cong Cheng
2022 J jnl
An interactive fitness-for-use data completeness tool to assess activity tracker data.
J. Am. Medical Informatics Assoc.
Sylvia Cho, Ipek Ensari, Noémie Elhadad, Chunhua Weng, Jennifer M. Radin, Brinnae Bent, Pooja M. Desai, Karthik Natarajan
2022 Misc conf
Analyzing healthcare-seeking behavior among All of Us enrollees in the era of COVID-19.
AMIA
Nripendra D. Acharya, Harry Reyes Nieva, Karthik Natarajan
2022 J jnl
Comparing medical history data derived from electronic health records and survey answers in the
J. Am. Medical Informatics Assoc.
Lina M. Sulieman, Robert M. Cronin, Robert J. Carroll, Karthik Natarajan, Kayla Marginean, Brandy Mapes, Dan M. Roden, Paul A. Harris, Andrea H. Ramirez
2022 J jnl
Discrete Optimal Transport with Independent Marginals is #P-Hard.
CoRR
Bahar Taskesen, Soroosh Shafieezadeh-Abadeh, Daniel Kuhn, Karthik Natarajan
2022 J jnl
Distributionally Robust Linear and Discrete Optimization with Marginals.
Oper. Res.
Louis Chen, Will Ma, Karthik Natarajan, David Simchi-Levi, Zhenzhen Yan
2022 J jnl
Extremal Probability Bounds in Combinatorial Optimization.
SIAM J. Optim.
Divya Padmanabhan, Selin Damla Ahipasaoglu, Arjun Kodagehalli Ramachandra, Karthik Natarajan
2022 Misc conf
Feasibility of Linking Area Deprivation Index Data to the OMOP Common Data Model.
AMIA
Xinzhuo Jiang, Maura Beaton, Jake Gillberg, Andrew Williams, Karthik Natarajan
2022 Misc conf
Self-paced Training Modality to Promote the Use of All of Us Researcher Workbench in Educational and Research Settings.
AMIA
Hiral Master, Lina Sulieman, Paul A. Harris, Karthik Natarajan, Robert J. Carroll, Kayla Marginean, Kelsey R. Mayo, Aymone Kouame, Michael Lyons
2022 J jnl
Submodularity and pairwise independence.
CoRR
Arjun Kodagehalli Ramachandra, Karthik Natarajan
2022 J jnl
The
Patterns
Andrea H. Ramirez, Lina M. Sulieman, David J. Schlueter, Alese E. Halvorson, Jun Qian, Francis Ratsimbazafy, Roxana Loperena-Cortes, Kelsey R. Mayo, Melissa A. Basford, Nicole Deflaux, Karthik Muthuraman, Karthik Natarajan, Abel N. Kho, Hua Xu, Consuelo H. Wilkins, Hoda Anton-Culver, Eric Boerwinkle, Mine Cicek, Cheryl R. Clark, Elizabeth Cohn, Lucila Ohno-Machado, Sheri D. Schully, Brian K. Ahmedani, Maria Argos, Robert M. Cronin, Christopher J. O'Donnell, Mona Fouad, David B. Goldstein, Philip Greenland, Scott J. Hebbring, Elizabeth W. Karlson, Parinda Khatri, Bruce Korf, Jordan W. Smoller, Stephen Sodeke, John Wilbanks, Justin Hentges, Stephen Mockrin, Christopher Lunt, Stephanie A. Devaney, Kelly Gebo, Joshua C. Denny, Robert J. Carroll, David Glazer, Paul A. Harris, George Hripcsak, Anthony A. Philippakis, Dan M. Roden
2021 J jnl
Are synthetic clinical notes useful for real natural language processing tasks: A case study on clinical entity recognition.
J. Am. Medical Informatics Assoc.
Jianfu Li, Yujia Zhou, Xiaoqian Jiang, Karthik Natarajan, Serguei V. S. Pakhomov, Hongfang Liu, Hua Xu
2021 — conf
CEHR-BERT: Incorporating temporal information from structured EHR data to improve prediction tasks.
ML4H@NeurIPS
Chao Pang, Xinzhuo Jiang, Krishna S. Kalluri, Matthew E. Spotnitz, Ruijun Chen, Adler J. Perotte, Karthik Natarajan
2021 J jnl
CEHR-BERT: Incorporating temporal information from structured EHR data to improve prediction tasks.
CoRR
Chao Pang, Xinzhuo Jiang, Krishna S. Kalluri, Matthew E. Spotnitz, Ruijun Chen, Adler J. Perotte, Karthik Natarajan
2021 Misc conf
Designing a Data Quality Characterization Tool for Fitness Tracker Data.
AMIA
Sylvia Cho, Karthik Natarajan
2021 J jnl
Development and validation of prediction models for mechanical ventilation, renal replacement therapy, and readmission in COVID-19 patients.
J. Am. Medical Informatics Assoc.
Victor Alfonso Rodriguez, Shreyas Bhave, Ruijun Chen, Chao Pang, George Hripcsak, Soumitra Sengupta, Noemie Elhadad, Robert A. Green, Jason S. Adelman, Katherine Schlosser Metitiri, Pierre A. Elias, Holden Groves, Sumit Mohan, Karthik Natarajan, Adler J. Perotte
2021 J jnl
Effect of Electronic Health Record Reminders for Routine Immunizations and Immunizations Needed for Chronic Medical Conditions.
Appl. Clin. Inform.
Ashley B. Stephens, Chelsea S. Wynn, Annika M. Hofstetter, Chelsea Kolff, Oscar Pena, Eric Kahn, Balendu Dasgupta, Karthik Natarajan, David K. Vawdrey, Mariellen M. Lane, Laura Robbins-Milne, Rajasekhar Ramakrishnan, Stephen Holleran, Melissa S. Stockwell
2021 J jnl
Exploiting partial correlations in distributionally robust optimization.
Math. Program.
Divya Padmanabhan, Karthik Natarajan, Karthyek Murthy
2021 Misc conf
Harmonization of Measurement Codes for Concept-Oriented Lab Data Retrieval.
AMIA
Matthew E. Spotnitz, Jason Patterson, Vojtech Huser, Chunhua Weng, Karthik Natarajan
2021 — conf
Harmonization of Measurement Codes for Concept-Oriented Lab Data Retrieval.
MedInfo
Matthew E. Spotnitz, Jason Patterson, Vojtech Huser, Chunhua Weng, Karthik Natarajan
2021 Misc conf
Measuring the correctness of All of Us physical measurement.
AMIA
Lina Sulieman, Karthik Natarajan, Qingxia Chen, Robert J. Carroll, Kayla Marginean, Paul A. Harris, Andrea H. Ramirez
2021 J jnl
On the Heavy-Tail Behavior of the Distributionally Robust Newsvendor.
Oper. Res.
Bikramjit Das, Anulekha Dhara, Karthik Natarajan
2021 Misc conf
REDHot OMOP: Facilitating Semantic Interoperability in REDCap with FHIR and the OMOP CDM.
AMIA
Salvatore G. Volpe, Karthik Natarajan
2021 J jnl
The National COVID Cohort Collaborative (N3C): Rationale, design, infrastructure, and deployment.
J. Am. Medical Informatics Assoc.
Melissa A. Haendel, Christopher G. Chute, Tellen D. Bennett, David A. Eichmann, Justin Guinney, Warren A. Kibbe, Philip R. O. Payne, Emily R. Pfaff, Peter N. Robinson, Joel H. Saltz, Heidi Spratt, Christine Suver, John Wilbanks, Adam B. Wilcox, Andrew E. Williams, Chunlei Wu, Clair Blacketer, Robert L. Bradford, James J. Cimino, Marshall Clark, Evan W. Colmenares, Patricia A. Francis, Davera Gabriel, Alexis Graves, Raju Hemadri, Stephanie S. Hong, George Hripcsak, Dazhi Jiao, Jeffrey G. Klann, Kristin Kostka, Adam M. Lee, Harold P. Lehmann, Lora Lingrey, Robert T. Miller, Michele Morris, Shawn N. Murphy, Karthik Natarajan, Matvey B. Palchuk, Usman Sheikh, Harold Solbrig, Shyam Visweswaran, Anita Walden, Kellie M. Walters, Griffin M. Weber, Xiaohan Tanner Zhang, Richard L. Zhu, Benjamin R. C. Amor, Andrew T. Girvin, Amin Manna, Nabeel Qureshi, Michael G. Kurilla, Sam G. Michael, Lili M. Portilla, Joni L. Rutter, Christopher P. Austin, Ken R. Gersing
2021 J jnl
Tree Bounds for Sums of Bernoulli Random Variables: A Linear Optimization Approach.
INFORMS J. Optim.
Divya Padmanabhan, Karthik Natarajan
2021 J jnl
Worst-Case Expected Shortfall with Univariate and Bivariate Marginals.
INFORMS J. Comput.
Anulekha Dhara, Bikramjit Das, Karthik Natarajan
2020 Misc conf
Bias in the Reuse and Analysis of Electronic Health Record Data.
AMIA
Nicole Gray Weiskopf, Melody L. Greer, Karthik Natarajan, Caroline A. Thompson, Harold P. Lehmann
2020 J jnl
COVID-19 TestNorm: A tool to normalize COVID-19 testing names to LOINC codes.
J. Am. Medical Informatics Assoc.
Xiao Dong, Jianfu Li, Ekin Soysal, Jiang Bian, Scott L. DuVall, Elizabeth Hanchrow, Hongfang Liu, Kristine E. Lynch, Michael E. Matheny, Karthik Natarajan, Lucila Ohno-Machado, Serguei Pakhomov, Ruth Madeleine Reeves, Amy M. Sitapati, Swapna Abhyankar, Theresa Cullen, Jami Deckard, Xiaoqian Jiang, Robert Murphy, Hua Xu
2020 Misc conf
Characterization and Comparison of Embedding Algorithms for Phenotyping across a Network of Observational Databases.
AMIA
Chao Pang, Ruijun Chen, Harry Reyes Nieva, Krishna Kalluri, Tony Sun, Xinzhuo Jiang, Victor Alfonso Rodriguez, Patrick B. Ryan, Karthik Natarajan
2020 Misc conf
Characterizing database granularity using SNOMED-CT hierarchy.
AMIA
Anna Ostropolets, Christian G. Reich, Patrick B. Ryan, Chunhua Weng, Anthony Molinaro, Frank J. DeFalco, Jitendra Jonnagaddala, Siaw-Teng Liaw, Hokyun Jeon, Rae Woong Park, Matthew E. Spotnitz, Karthik Natarajan, Kristin Kostka, George Argyriou, Robert T. Miller, Andrew E. Williams, Evan Minty, José D. Posada, George Hripcsak
2020 J jnl
Composite pattern to handle variation points in software architectural design of evolving application systems.
IET Softw.
Milu Mary Philip, Karthik Natarajan, Anithkumar Ramanathan, Vijayakumar Balakrishnan
2020 J jnl
Content Coverage Evaluation of the OMOP Vocabulary on the Transplant Domain Focusing on Concepts Relevant for Kidney Transplant Outcomes Analysis.
Appl. Clin. Inform.
Sylvia Cho, Margaret Sin, Demetra S. Tsapepas, Leigh-Anne Dale, Syed A. Husain, Sumit Mohan, Karthik Natarajan
2020 A* conf
Correlation Robust Influence Maximization.
NeurIPS
Louis Chen, Divya Padmanabhan, Chee Chin Lim, Karthik Natarajan
2020 J jnl
Correlation Robust Influence Maximization.
CoRR
Louis Chen, Divya Padmanabhan, Chee Chin Lim, Karthik Natarajan
2020 Misc conf
Data Quality Assessment of Laboratory Data.
AMIA
Vojtech Huser, Clair Blacketer, Karthik Natarajan, Robert T. Miller, Andrew Williams, Selva Muthu Kumaran Sathappan, José D. Posada, Nigam Shah
2020 Misc conf
Fitbit "Bring Your Own Device" data in the All of Us Research Program.
AMIA
Michelle Holko, Francis Ratsimbazafy, Kayla Marginean, Karthik Natarajan, Sylvia Cho, Josh Schilling, Aymone Kouame, Dan Webster, Shaquille Peters, Mark Begale, Kelly Gebo, Andrea H. Ramirez, Paul A. Harris
2020 Misc conf
Identifying Use Cases of Consumer-Grade Fitness Trackers in Research Studies.
AMIA
Sylvia Cho, Karthik Natarajan
2020 Misc conf
Normalizing Clinical Document Titles to LOINC Document Ontology: an Initial Study.
AMIA
Xu Zuo, Jianfu Li, Bo Zhao, Yujia Zhou, Xiao Dong, Jon D. Duke, Karthik Natarajan, George Hripcsak, Nigam Shah, Juan M. Banda, Ruth M. Reeves, Hua Xu
2020 Misc conf
Phenotype Concept Set Construction from Concept Pair Likelihoods.
AMIA
Victor Alfonso Rodriguez, Tony Sun, Phyllis Thangaraj, Chao Pang, Krishna Kalluri, Xinzhuo Jiang, Karthik Natarajan, Patrick B. Ryan, Anna Ostropolets, Ruijun Chen
2019 J jnl
A Convex Optimization Approach for Computing Correlated Choice Probabilities With Many Alternatives.
IEEE Trans. Autom. Control.
Selin Damla Ahipasaoglu, Xiaobo Li, Karthik Natarajan
2019 Misc conf
Curating EHR data in the All of Us Research Program.
AMIA
Karthik Natarajan, Robert J. Carroll, Thomas R. Campion Jr., Joan Grand, Shyam Visweswaran
2019 J jnl
Distributionally Robust Markovian Traffic Equilibrium.
Transp. Sci.
Selin Damla Ahipasaoglu, Ugur Arikan, Karthik Natarajan
2019 J jnl
Distributionally robust project crashing with partial or no correlation information.
Networks
Selin Damla Ahipasaoglu, Karthik Natarajan, Dongjian Shi
2019 — conf
Extending Achilles Heel Data Quality Tool with New Rules Informed by Multi-Site Data Quality Comparison.
MedInfo
Vojtech Huser, Xiaochun Li, Zuoyi Zhang, Sungjae Jung, Rae Woong Park, Juan M. Banda, Hanieh Razzaghi, Ajit Londhe, Karthik Natarajan
2019 J jnl
Facilitating phenotype transfer using a common data model.
J. Biomed. Informatics
George Hripcsak, Ning Shang, Peggy L. Peissig, Luke V. Rasmussen, Cong Liu, Barbara Benoit, Robert J. Carroll, David S. Carrell, Joshua C. Denny, Ozan Dikilitas, Vivian S. Gainer, Kayla Marie Howell, Jeffrey G. Klann, Iftikhar J. Kullo, Todd Lingren, Frank D. Mentch, Shawn N. Murphy, Karthik Natarajan, Chunhua Weng
2018 J jnl
Allocating Students to Multidisciplinary Capstone Projects Using Discrete Optimization.
Interfaces
Thomas L. Magnanti, Karthik Natarajan
2018 J jnl
Asymmetry and Ambiguity in Newsvendor Models.
Manag. Sci.
Karthik Natarajan, Melvyn Sim, Joline Uichanco
2018 J jnl
Bounds for Random Binary Quadratic Programs.
SIAM J. Optim.
Karthik Natarajan, Dongjian Shi, Kim-Chuan Toh
2018 Misc conf
Treatment Pathways in Patients with Cancer Using a Large-scale Observational Data Network.
AMIA
Ruijun Chen, Patrick B. Ryan, Karthik Natarajan, Thomas Falconer, Christian G. Reich, Rohit Vashisht, Nigam Shah, George Hripcsak
2017 Misc conf
Evaluation of OMOP Vocabulary on Transplant Registry Data.
AMIA
Sylvia Cho, Margaret Sin, Karthik Natarajan
2017 J jnl
On reduced semidefinite programs for second order moment bounds with applications.
Math. Program.
Karthik Natarajan, Chung-Piaw Teo
2017 J jnl
On the polynomial solvability of distributionally robust k-sum optimization.
Optim. Methods Softw.
Anulekha Dhara, Karthik Natarajan
2017 Misc conf
The Data and Research Center of the All of Us Research Program: Framework for a National Cohort Program and Research Opportunities.
AMIA
Robert J. Carroll, Joshua C. Mandel, Karthik Natarajan, Scott Sutherland, Joshua C. Denny
2016 J jnl
Least Squares Approximation to the Distribution of Project Completion Times with Gaussian Uncertainty.
Oper. Res.
Zhichao Zheng, Karthik Natarajan, Chung-Piaw Teo
2015 J jnl
Robustness to Dependency in Portfolio Optimization Using Overlapping Marginals.
Oper. Res.
Xuan Vinh Doan, Xiaobo Li, Karthik Natarajan
2014 J jnl
A Probabilistic Model for Minmax Regret in Combinatorial Optimization.
Oper. Res.
Karthik Natarajan, Dongjian Shi, Kim-Chuan Toh
2014 J jnl
Compressed Sensing Analog Front-End for Bio-Sensor Applications.
IEEE J. Solid State Circuits
Daibashish Gangopadhyay, Emily G. Allstot, Anna M. R. Dixon, Karthik Natarajan, Subhanshu Gupta, David J. Allstot
2014 J jnl
Diagnosis code assignment: models and evaluation metrics.
J. Am. Medical Informatics Assoc.
Adler J. Perotte, Rimma Pivovarov, Karthik Natarajan, Nicole Gray Weiskopf, Frank D. Wood, Noemie Elhadad
2014 J jnl
Distributionally robust mixed integer linear programs: Persistency models with applications.
Eur. J. Oper. Res.
Xiaobo Li, Karthik Natarajan, Chung-Piaw Teo, Zhichao Zheng
2014 J jnl
On Theoretical and Empirical Aspects of Marginal Distribution Choice Models.
Manag. Sci.
Vinit Kumar Mishra, Karthik Natarajan, Dhanesh Padmanabhan, Chung-Piaw Teo, Xiaobo Li
2013 Misc conf
Analyzing Requests for Clinical Data for Self-Service Penetration.
AMIA
Karthik Natarajan, Adam B. Wilcox, Niloo Sobhani, Aurelia Boyer
2013 C conf
From Boxes to bees: Active learning in freshmen calculus.
EDUCON
Flora S. Tsai, Karthik Natarajan, Selin Damla Ahipasaoglu, Chau Yuen, Hyowon Lee, Ngai-Man Cheung, Justin Ruths, Shisheng Huang, Thomas L. Magnanti
2013 — conf
Informatics Lessons from Using a Novel Immunization Information System.
MedInfo
David K. Vawdrey, Karthik Natarajan, Andrew S. Kanter, George Hripcsak, Gilad J. Kuperman, Melissa S. Stockwell
2013 J jnl
New analytical bounds on the average undershoot in an infinite horizon (
Oper. Res. Lett.
Chun-Hung Chiu, Ngai-Hang Z. Leung, Karthik Natarajan
2012 J jnl
Choice Prediction With Semidefinite Optimization When Utilities are Correlated.
IEEE Trans. Autom. Control.
Vinit Kumar Mishra, Karthik Natarajan, Hua Tao, Chung-Piaw Teo
2012 J jnl
On the Complexity of Nonoverlapping Multivariate Marginal Bounds for Probabilistic Combinatorial Optimization Problems.
Oper. Res.
Xuan Vinh Doan, Karthik Natarajan
2011 J jnl
Mixed 0-1 Linear Programs Under Objective Uncertainty: A Completely Positive Representation.
Oper. Res.
Karthik Natarajan, Chung-Piaw Teo, Zhichao Zheng
2011 — conf
Towards greener wireless transmission: Efficient power amplifier design.
IGCC
Karthik Natarajan, Sang-Min Yoo, David J. Allstot, Jeffrey S. Walling
2010 J jnl
A Current Reuse Quadrature GPS Receiver in 0.13 μ m CMOS.
IEEE J. Solid State Circuits
Kuang-Wei Cheng, Karthik Natarajan, David J. Allstot
2010 J jnl
An analysis of clinical queries in an electronic health record search utility.
Int. J. Medical Informatics
Karthik Natarajan, Daniel M. Stein, Samat Jain, Noemie Elhadad
2010 J jnl
Models for Minimax Stochastic Linear Optimization Problems with Risk Aversion.
Math. Oper. Res.
Dimitris Bertsimas, Xuan Vinh Doan, Karthik Natarajan, Chung-Piaw Teo
2009 — conf
A 7.2mW quadrature GPS receiver in 0.13µm CMOS.
ISSCC
Kuang-Wei Cheng, Karthik Natarajan, David J. Allstot
2009 J jnl
Constructing Risk Measures from Uncertainty Sets.
Oper. Res.
Karthik Natarajan, Dessislava Pachamanova, Melvyn Sim
2009 J jnl
Persistency Model and Its Applications in Choice Modeling.
Manag. Sci.
Karthik Natarajan, Miao Song, Chung-Piaw Teo
2008 J jnl
Incorporating Asymmetric Distributional Information in Robust Value-at-Risk Optimization.
Manag. Sci.
Karthik Natarajan, Dessislava Pachamanova, Melvyn Sim
2007 J jnl
A semidefinite optimization approach to the steady-state analysis of queueing systems.
Queueing Syst. Theory Appl.
Dimitris Bertsimas, Karthik Natarajan
2007 J jnl
Redesigning electronic health record systems to support public health.
J. Biomed. Informatics
Rita Kukafka, Jessica S. Ancker, Connie V. Chan, John Chelico, Sharib A. Khan, Selasie Mortoti, Karthik Natarajan, Kempton Presley, Kayann Stephens
2006 J jnl
Persistence in discrete optimization under data uncertainty.
Math. Program.
Dimitris Bertsimas, Karthik Natarajan, Chung-Piaw Teo
2004 J jnl
Probabilistic Combinatorial Optimization: Moments, Semidefinite Programming, and Asymptotic Bounds.
SIAM J. Optim.
Dimitris Bertsimas, Karthik Natarajan, Chung-Piaw Teo
2003 A conf
Microprocessor pipeline energy analysis.
ISLPED
Karthik Natarajan, Heather Hanson, Stephen W. Keckler, Charles R. Moore, Doug Burger