Journal Publications

Maritime Container Shipping: Does Coopetition Improve Cost and Environmental Efficiencies?
Published on August 26, 2020

A. C. Trapp, Irina Harris, Vasco Sanchez Rodrigues, Joe Sarkis, "Maritime Container Shipping: Does Coopetition Improve Cost and Environmental Efficiencies?," available online, Transportation Research Part D, 2020.

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Outlier-Aware, Density-Based Gaze Fixation Identification
Published on June 30, 2020

W. Liu, A. C. Trapp, S. Djamasbi, "Outlier-Aware, Density-Based Gaze Fixation Identification," available online, Omega, 2020.

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Closing the Loop: Forging High-Quality Agile Virtual Enterprises in a Reverse Supply Chain via Solution Portfolios
Published on May 12, 2020

A. C. Trapp, R. A. Konrad, J. Sarkis, A. Z. Zeng, ""Closing the Loop: Forging High-Quality Agile Virtual Enterprises in a Reverse Supply Chain via Solution Portfolios," available online, Journal of the Operational Research Society, 2020.

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Optimizing Placement of Residential Shelters for Human Trafficking Survivors
Published on August 3, 2019

K. Maass, A. C. Trapp, R. A. Konrad, "Optimizing Placement of Residential Shelters for Human Trafficking Survivors," accepted for publication, Socio-Economic Planning Sciences, 2019.

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A Global Optimization Algorithm for Sparse Mixed Membership Matrix Factorization
Published on July 9, 2019

F. Zhang, C. Wang, A. C. Trapp, P. Flaherty, A Global Optimization Algorithm for Sparse Mixed Membership Matrix Factorization, New Advances in Statistics and Data Science, ICSA Book Series in Statistics, Springer, pp. 129-156, 2019

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Scalable User-Substation Assignment with Big Data from Power Grids
Published on June 1, 2019

B. Lyu, Y. Li, J. Fu, A. C. Trapp, H. Xi, Y. Liao, "Scalable User-Substation Assignment with Big Data from Power Grids," IEEE Transactions on Big Data, 5(2), pp. 209-222, 2019.

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Identifying Fixations in Gaze Data via Inner-Density and Optimization
Published on April 26, 2019

A. C. Trapp, W. Liu, S. Djamasbi, "Identifying Fixations in Gaze Data via Inner-Density and Optimization," INFORMS Journal on Computing, 31(3), pp. 459-476, 2019.

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Enriching Solutions to Combinatorial Problems via Solution Engineering
Published on April 22, 2019

T. Petit, A. C. Trapp, "Enriching Solutions to Combinatorial Problems via Solution Engineering," INFORMS Journal on Computing, 31(3), pp. 429-444, 2019.

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Detecting task demand via an eye tracking machine learning system
Published on January, 2019

M. Shojaiezadeh, S. Djamasbi, R. Paffenroth, A. C.Trapp, "Detecting Task Demand via an Eye Tracking Machine Learning System," Decision Support Systems, Vol. 116, pp. 91-101, 2019.

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Overcoming human trafficking via operations research and analytics: Opportunities for methods, models, and applications
Published on June 1, 2017

R. A. Konrad, A. C. Trapp, T. Palmbach, J. S. Blom, "Overcoming Human Trafficking via Operations Research and Analytics: Opportunities for Methods, Models, and Applications," European Journal of Operational Research, Vol. 259 (2), pp. 733-745, 2017.

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Recovering all generalized order-preserving submatrices: new exact formulations and algorithms
Published on March 25, 2016

A. C. Trapp, C. Li, P. Flaherty, "Recovering All Generalized Order-Preserving Submatrices: New Exact Formulations and Algorithms," Annals of Operations Research, Vol. 263 (1-2), pp. 385-404, 2018.

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An analysis of patient portal utilization: what can we learn about online patient behavior by examining portal click data?
Published on March, 2016

B. Tulu, A. C. Trapp, M. Hoque, D. M. Strong, S. A. Johnson, L. Garber, J. Trudel, "An Analysis of Patient Portal Utilization: What Can We Learn about Online Patient Behavior by Examining Portal Click Data?," Health Systems, Vol. 5 (1), pp. 66-79, 2016.

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Identifying Robust portfolios of suppliers: a sustainability selection and development perspective
Published on January 20, 2016

A. C. Trapp, J. Sarkis, "Identifying Robust Portfolios of Suppliers: A Sustainability Selection and Development Perspective," Journal of Cleaner Production, Vol. 112 (3), pp. 2088-2100, 2016.

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Finding diverse optima and near-optima to binary integer programs
Published on June 26, 2015

A. C. Trapp, R. A. Konrad, "Finding Diverse Optima and Near-Optima to Binary Integer Programs," IIE Transactions, Vol. 47 (11), pp. 1300-1312, 2015.

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Examining the impact of regular physician visits on heart failure patients: a use case with electronic health data
Published on October 30, 2015

Brenton Faber, R. A. Konrad, C. Tang, A. C. Trapp, "Examining the Impact of Regular Physician Visits on Heart Failure Patients: A Use Case with Electronic Health Data," Health Systems, Vol. 5 (2), pp. 132-139, 2016.

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Analyzing the impact of in-rack sprinklers in a warehouse fire: A demonstration of the role optimization has in mitigating damage
Published on April, 2015

A. C. Trapp, A. S. Rangwala, "Analyzing the Impact of In-rack Sprinklers in a Warehouse Fire: A Demonstration of the Role Optimization Has in Mitigating Damage," Fire Safety Journal, Vol. 73, pp. 55-62, 2015.

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A note on constraint aggregation and value functions for two-stage stochastic integer programs
Published on February, 2015

A. C. Trapp, O. A. Prokopyev, "A Note on Constraint Aggregation and Value Functions for Two-Stage Stochastic Integer Programs," Discrete Optimization, Vol. 15, pp. 37-45, 2015.

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The provision of mental health treatment after screening: exploring the relationship between treatment setting and treatment intensity
Published on November–December, 2014

B. Shiner, C. Tang, A. C. Trapp, R. Konrad, I. Bar-On, B. V. Watts, "The Provision of Mental Health Treatment After Screening: Exploring the Relationship Between Treatment Setting and Treatment Intensity," General Hospital Psychiatry, Vol. 36 (6), pp. 581-588, 2014.

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On a Level-Set Characterization of the Value Function of an Integer Program and Its Application to Stochastic Programming
Published on March 19, 2013

A. C. Trapp, O. A. Prokopyev, A. J. Schaefer, "On a Level-Set Characterization of the Value Function of an Integer Program and Its Application to Stochastic Programming," Operations Research, Vol. 61 (2), pp. 498-511, 2013.

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Thermoacoustic heat engine modeling and design optimization
Published on October, 2011

A. C. Trapp, F. Zink, O. A. Prokopyev, L. Schaefer, "Thermoacoustic Heat Engine Modeling and Optimization," Applied Thermal Engineering, Vol. 31 (14-15), pp. 2518-2528, 2011.

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Optimization of minimum set of protein–DNA interactions: a quasi exact solution with minimum over-fitting
Published on February 1, 2010

N. Temiz, A. Trapp, O. Prokopyev, C. J. Camacho, "Optimization of Minimum Set of Protein-DNA Interactions: a Quasi Exact Solution with Minimum Over-fitting," Bioinformatics, Vol. 26 (3), pp. 319-325, 2010.

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Finding checkerboard patterns via fractional 0–1 programming
Published on February 1, 2010

A. Trapp, O. A. Prokopyev, S. Busygin, "Finding Checkerboard Patterns via Fractional 0-1 Programming," Journal of Combinatorial Optimization, Vol. 20 (1), pp. 1-26, 2010.

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Checking solvability of systems of interval linear equations and inequalities via mixed integer programming
Published on November 16, 2009

O. A. Prokopyev, S. Butenko, A. Trapp, "Checking Solvability of Systems of Interval Linear Equations and Inequalities via Mixed Integer Programming," European Journal of Operational Research, Vol. 199 (1), pp. 117-121, 2009.

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Solving the Order-Preserving Submatrix Problem via Integer Programming
Published on October 21, 2009

A. C. Trapp, O. A. Prokopyev, "Solving the Order-Preserving Submatrix Problem via Integer Programming," INFORMS Journal on Computing, Vol. 22 (3), pp. 387-400, 2010.

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Conference Publications

Globally Optimal Model-based Clustering via Mixed Integer Nonlinear Programming
Published on December 14, 2019

P. Flaherty, Pitchaya Wiratchotisatian, Andrew C. Trapp, "Globally Optimal Model-based Clustering via Mixed Integer Nonlinear Programming", NeurIPS 2019 Workshop on Sets & Partitions, pp. 1-10.

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Measuring Focused Attention Using Fixation Inner-Density
Published on June 3, 2018

Wen Liu, Mina Shojaeizadeh, Soussan Djamasbi, Andrew C. Trapp, "Measuring Focused Attention Using Fixation Inner-Density", International Conference on Augmented Cognition AC 2018: Augmented Cognition: Users and Contexts pp 105-116

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Creating a Decision Support System for Service Classification and Assignment through Optimization
Boston, MA, 2017

C. Chagnon, A.C. Trapp, S. Djamasbi, "Creating a Decision Support System for Service Classification and Assignment through Optimization," Americas Conference on Information Systems (AMCIS) 2017, Boston, MA, 2017.

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A Deterministic Global Optimization Method for Variational Inference
Barcelona, Spain, 2016

H. Saddiki, A.C. Trapp, P. Flaherty, "A Deterministic Global Optimization Method for Variational Inference," Advances in Approximate Bayesian Inference, NIPS 2016 Workshop, Barcelona, Spain, 2016.

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Scalable User Assignment in Power Grids: A Data Driven Approach
San Francisco, CA, 2016

B. Lyu, S. Li, Y. Li, J. Fu, A. C. Trapp, H. Xie, Y. Liao, "Scalable User Assignment in Power Grids: A Data Driven Approach," ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, San Francisco, CA, 2016.

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Finding Diverse Solutions of High Quality to Constraint Optimization Problems
Buenos Aires, Argentina, 2015

T. Petit, A. C. Trapp, "Finding Diverse Solutions of High Quality to Constraint Optimization Problems," International Joint Conference on Artificial Intelligence (IJCAI), Buenos Aires, Argentina, 2015. [Invited Oral (Long Talk) and Poster Presentation; Acceptance Rate 28.8% (575/1,996)]

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Created By: Minkun Liu