INFORMS Journal on Computing

A site for hosting software and data repositories associated with papers appearing in the INFORMS Journal on Computing

View source on GitHub

Welcome to the IJOC Software and Data Repositories

This is the website for the GitHub repositories for hosting software and data associated with papers appearing in the INFORMS Journal on Computing.

Available Software and Data

ACCEPTED, BUT NOT YET PUBLISHED

Path-Based Formulations for the Design of On-demand Multimodal Transit Systems with Adoption Awareness by Hongzhao Guan, Beste Basciftci, and Pascal Van Hentenryck, has associated software/data.
Computing optimality certificates for convex mixed-integer nonlinear problems by Katrin Halbig, Lukas Hümbs, Florian Rösel, Lars Schewe, and Dieter Weninger, has associated software/data
Computing Bi-Path Multi-Commodity Flows with Constraint Programming-based Branch-and-Price-and-Cut by Jiachen Zhang, Youcef Magnouche, Pierre Bauguion, Sebastien Martin, and J. Christopher Beck, has associated software/data.
Identifying Socially Optimal Equilibria Using Combinatorial Properties of Nash Equilibria in Bimatrix Games by Amin Dehghanian, Yujia Xie, and Nicoleta Serban, has associated software/data.
The impact of passive social media viewers in influence maximization by Michael Kahr, Markus Leitner, and Ivana Ljubić, has associated software/data.
A flow-based formulation for parallel machine scheduling using decision diagrams by Daniel Kowalczyk, Roel Leus, Christopher Hojny, and Stefan Røpke, has associated software/data.
The continuous time-resource tradeoff scheduling problem with time windows by Christian Artigues, Emmanuel Hebrard, Alain Quilliot, and Helene Toussaint, has associated software/data.
A Graph-based Approach for Relating Integer Programs by Zachary Steever, Kyle Hunt, Mark Karwan, Junsong Yuan, and Chase C. Murray, has associated software/data.
Feasibility verification and upper bound computation in global minimization using approximate active index sets by Christian Fullner, Peter Kirst, Hendrik Otto, and Steffen Rebennack, has associated software/data.

PUBLISHED IN ARTICLES IN ADVANCE (AIA)

Published in AIA, but not yet scheduled in an issue

A Sequential Follower Refinement Algorithm for Robust Surgery Scheduling by Ankit Bansal, Jean-Philippe Richard, Bjorn P. Berg, and Yu-Li Huang, has associated software/data.
Supervised ML for Solving the GI/GI/1 Queue by Opher Baron, Dmitry Krass, Arik Senderovich, and Eliran Sherzer, has associated software/data.
Sparsity-Exploiting Distributed Projections onto a Simplex by Yongzheng Dai and Chen Chen, has associated software/data.
VRPSolverEasy: A Python Library for the Exact Solution of a Rich Vehicle Routing Problem by Najib Errami, Eduardo Queiroga, Ruslan Sadykov, and Eduardo Uchoa, has associated software/data.
A Column Generation Scheme for Distributionally Robust Multi-Item Newsvendor Problems by Shanshan Wang and Erick Delage, has associated software/data.
Product Redesign and Innovation Based on Online Reviews: A Multistage Combined Search Method by Jindong Qin, Pan Zheng, and Xiaojun Wang, has associated software/data.
Largest Volume Inscribed Rectangles in Convex Sets Defined by Finite Number of Inequalities by Mehdi Behroozi, has associated software/data.
PyVRP: A High-Performance VRP Solver Package by Niels A. Wouda, Leon Lan, and Wouter Kool, has associated software/data.
Cost-Effective Acquisition of First-Party Data for Business Analytics by Xiaoping Liu and Xiao-Bai Li, has associated software/data.
A Shrinkage Approach to Improve Direct Bootstrap Resampling under Input Uncertainty by Eunhye Song, Henry Lam, and Russell R. Barton, has associated software/data.
An Approximate Dynamic Programming Approach to Dynamic Stochastic Matching by Fan You and Thomas Vossen, has associated software/data.
Appointment Scheduling with Delay-Tolerance Heterogeneity by Shuming Wang, Jun Li, Marcus Ang, and Tsan Sheng Ng, has associated software/data.
Polyhedral Relaxations for Optimal Pump Scheduling of Potable Water Distribution Networks by Byron Tasseff, Russell Bent, Carleton Coffrin, Clayton Barrows, Devon Sigler, Jonathan Stickel, Ahmed S. Zamzam, Yang Liu, and Pascal Van Hentenryck, has associated software/data.
Solving Bilevel Programs Based on Lower-level Mond-Weir Duality by Yu-Wei Li, Gui-Hua Lin, and Xide Zhu, has associated software/data.
Quadratic Optimization Models for Balancing Preferential Access and Fairness: Formulations and Optimality Conditions by Christian Schmitt and Bismark Singh, has associated software/data.
Real-time Derivative Pricing and Hedging with Consistent Metamodels by Guangxin Jiang, L. Jeff Hong, and Haihui Shen, has associated software/data.
Decomposable Formulation of Transmission Constraints for Decentralized Power Systems Optimization by Alinson S. Xavier, Feng Qiu, and Santanu S. Dey, has associated software/data.
Decision Diagram-Based Branch-and-Bound with Caching for Dominance and Suboptimality Detection by Vianney Coppe, Xavier Gillard, and Pierre Schaus, has associated software/data.
Unified Framework for Choice-based Facility Location Problem by Yun Hui Lin, Qingyun Tian, and Yanlu Zhao, has associated software/data.
Regret Minimization and Separation in Multi-Bidder Multi-Item Auctions by Cagil Kocyigit, Daniel Kuhn, and Napat Rujeerapaiboon, has associated software/data.
A FAST Method for Nested Estimation by Guo Liang, Kun Zhang, and Jun Luo, has associated software/data.
Convergence Rates of Zeroth-order Gradient Descent for Łojasiewicz Functions by Tianyu Wang and Yasong Feng, has associated software/data.
Constraint Learning to Define Trust Regions in Optimization Over Pre-Trained Predictive Models by Chenbo Shi, Mohsen Emadikhiav, Leonardo Lozano, and David Bergman, has associated software/data.
Let the Laser Beam Connect the Dots: Forecasting and Narrating Stock Market Volatility by Zhu Zhang, Jie Yuan, and Amulya Gupta, has associated software/data.

Published in AIA and scheduled for Volume 36, Issue 2

Heuristic Search for Rank Aggregation with Application to Label Ranking by Yangming Zhou, Jin-Kao Hao, and Zhen Li, has associated software/data.
BilevelJuMP.jl: modeling and solving bilevel optimization problems in Julia by Joaquim Dias Garcia, Guilherme Bodin, and Alexandre Street, has associated software/data.
Seamless Multimodal Transportation Scheduling by Arvind U. Raghunathan, David Bergman, John N. Hooker, Thiago Serra, and Shingo Kobori, has associated software/data.
A Differentiable Path-Following Method with a Compact Formulation to Compute Proper Equilibria by Yiyin Cao, Yin Chen, and Chuangyin Dang, has associated software/data.
Combination Chemotherapy Optimization with Discrete Dosing by Temitayo Ajayi, Seyedmohammadhossein Hosseinian, Andrew J. Schaefer, and Clifton D. Fuller, has associated software/data.
Flexible Differentiable Optimization via Model Transformations by Mathieu Besançon, Joaquim Dias Garcia, Benoît Legat, and Akshay Sharma, has associated software/data.
Bayesian Network Models for PTSD Screening in Veterans by Yi Tan, Prakash P. Shenoy, Ben Sherwood, Catherine Shenoy, Melinda Gaddy, and Mary E. Oehlert, has associated software/data.
A Decision Rule Approach for Two-Stage Data-Driven Distributionally Robust Optimization Problems with Random Recourse by Xiangyi Fan and Grani A. Hanasusanto, has associated software/data.
Deterring the Gray Market: Product Diversion Detection via Learning Disentangled Representations of Multivariate Time Series by Hao Lin, Guannan Liu, Junjie Wu, and J. Leon Zhao, has associated software/data.
Ensemble Variance Reduction Methods for Stochastic Mixed-Integer Programming and their Application to the Stochastic Facility Location Problem by Jiajun Xu and Suvrajeet Sen, has associated software/data.
InfrastructureModels: Composable Multi-Infrastructure Optimization in Julia by Russell Bent, Byron Tasseff, and Carleton Coffrin, has associated software/data.
A Deep Learning and Image Processing Pipeline for Object Characterization in Firm Operations by Alireza Aghasi, Arun Rai, and Yusen Xia, has associated software/data.
The descent-ascent algorithm for DC programming by Pietro D’Alessandro, Manlio Gaudioso, Giovanni Giallombardo, and Giovanna Miglionico, has associated software/data.
Correlation Clustering Problem under Mediation by Zacharie Ales, Celine Engelbeen, and Rosa Figueiredo, has associated software/data.
An Efficient Global Optimal Method for Cardinality Constrained Portfolio Optimization by Wei Xu, Jie Tang, Ka Fai Cedric Yiu, and Jian Wen Peng, has associated software/data.

PUBLISHED

Volume 36, Issue 1

A Set Covering Approach to Customized Coverage Instrumentation by Carla Michini, Peter Ohmann, Ben Liblit, and Jeffrey Linderoth, has associated software/data.
Detecting Critical Nodes in Sparse Graphs via “Reduce-Solve-Combine” Memetic Search by Yangming Zhou, Jiaqi Li, Jin-Kao Hao, and Fred Glover, has associated software/data.
DiversiTree: A New Method to Efficiently Compute Diverse Sets of Near-Optimal Solutions to Mixed-Integer Optimization Problems by Izuwa Ahanor, Hugh Medal, and Andrew C. Trapp, has associated software/data.
A Study on Optimal Release Schedule for Multi-Version Software by Yeu-Shiang Huang, Chih-Chiang Fang, Chun-Hsuan Chou, and Tzu-Liang (Bill) Tseng, has associated software/data.
Automation of Strategic Data Prioritization in System Model Calibration: Sensor Placement by Tianyi Li and Munther Dahleh, has associated software/data.
Federated Optimization under Intermittent Client Availability by Yikai Yan, Chaoyue Niu, Yucheng Ding, Zhenzhe Zheng, Shaojie Tang, Qinya Li, Fan Wu, Chengfei Lyu, Yanghe Feng, and Guihai Chen, has associated software/data.
Exact Matrix Factorization Updates for Nonlinear Programming by Adolfo R. Escobedo, has associated software/data.
Monte Carlo Methods for Economic Capital by Yajuan Li, Zachary T. Kaplan, and Marvin K. Nakayama, has associated software/data.

Volume 35, Issue 6

Software for Data-Based Stochastic Programming Using Bootstrap Estimation by Xiaotie Chen and David Woodruff, has associated software/data.
Platoon Optimization Based on Truck Pairs by Anirudh Kishore Bhoopalam, Niels Agatz, and Rob Zuidwijk, has associated software/data.
Asymptotically Optimal Sampling Policy for Selecting Top-m Alternatives by Gongbo Zhang, Yijie Peng, Jianghua Zhang, and Enlu Zhou, has associated software/data.
The Hot Spot Coverage Patrol Problem: Formulations and Solution Approaches by Yuchen Luo, Bruce Golden, and Rui Zhang, has associated software/data.
Control of Dual-Sourcing Inventory Systems using Recurrent Neural Networks by Lucas Bottcher, Thomas Asikis, and Ioannis Fragkos, has associated software/data.
PaPILO: A Parallel Presolving Library for Integer and Linear Optimization with Multiprecision Support by Ambros Gleixner, Leona Gottwald, and Alexander Hoen, has associated software/data.
Decision Rule Approaches for Pessimistic Bilevel Linear Programs under Moment Ambiguity with Facility Location Applications by Akshit Goyal, Yiling Zhang, and Chuan He, has associated software/data.
Distributionally Robust Chance Constrained p-Hub Center Problem by Yue Zhao, Zhi Chen, and Zhenzhen Zhang, has associated software/data.
Learning Symbolic Expressions: Mixed-Integer Formulations, Cuts, and Heuristics by Jongeun Kim, Sven Leyffer, Prasanna Balaprakash, has associated software/data.
ℓ0 Trend Filtering by Canhong Wen, Xueqin Wang, and Aijun Zhang, has associated software/data.

Volume 35, Issue 5

Black-box Attack-Based Security Evaluation Framework for Credit Card Fraud Detection Models by Jin Xiao, Yuhang Tian, Yanlin Jia, Xiaoyi Jiang, Lean Yu, and Shouyang Wang, has associated software/data.
Adjustable Distributionally Robust Optimization with Infinitely Constrained Ambiguity Sets by Haolin Ruan, Zhi Chen, and Chin Pang Ho, has associated software/data.
An Interior-Point-Inspired Algorithm for Linear Programs Arising in Discrete Optimal Transport by Filippo Zanetti and Jacek Gondzio, has associated software/data.
A Cost-Effective Sequential Route Recommender System for Taxi Drivers by Junming Liu, Mingfei Teng, Weiwei Chen, and Hui Xiong, has associated software/data.
Globalized Distributionally Robust Counterpart by Feng Liu, Zhi Chen, and Shuming Wang, has associated software/data.
A Nonconvex Regularization Scheme for the Stochastic Dual Dynamic Programming Algorithm by Arnab Bhattacharya, Jeffrey P. Kharoufeh, and Bo Zeng, has associated software/data.
An Approximation Algorithm for k-Depot Split Delivery Vehicle Routing Problem by Xiaofan Lai, Liang Xu, Zhou Xu, and Yang Du, has associated software/data.

Volume 35, Issue 4

RSOME in Python: An Open-Source Package for Robust Stochastic Optimization Made Easy by Zhi Chen and Peng Xiong, has associated software/data.
Perturbation-based thresholding search for packing equal circles and spheres by Xiangjing Lai, Jin-Kao Hao, Renbin Xiao, and Fred Glover, has associated software/data.
An Ensemble Learning Approach with Gradient Resampling for Class-imbalance Problems by Hongke Zhao, Chuang Zhao, Xi Zhang, Nanlin Liu, Hengshu Zhu, Qi Liu, and Hui Xiong, has associated software/data.
Modeling Contingent Decision Behavior: A Bayesian Nonparametric Preference Learning Approach by Jiapeng Liu, Milosz Kadzinski, and Xiuwu Liao, has associated software/data.
TGVx: Dynamic Personalized POI Deep Recommendation Model by Xiao-Jun Wang, Tao Liu, and Weiguo Fan, has associated software/data.
Convex and Nonconvex Risk-based Linear Regression at Scale by Can Wu, Ying Cui, Donghui Li, and Defeng Sun, has associated software/data.
Mixed-Integer Programming Versus Constraint Programming for Shop Scheduling Problems: New Results and Outlook by Bahman Naderi, Ruben Ruiz, and Vahid Roshanaei, has associated software/data.
A Prediction-Based Approach for Online Dynamic Appointment Scheduling: A Case Study in Radiotherapy Treatment by Tu-San Pham, Antoine Legrain, Patrick De Causmaecker, and Louis-Martin Rousseau, has associated software/data.

Volume 35, Issue 3

Learning Equilibria in Asymmetric Auction Games by Martin Bichler, Nils Kohring, and Stefan Heidekrueger, has associated software/data.
Decomposition Strategies for Vehicle Routing Heuristics by Alberto Santini, Michael Schneider, Thibaut Vidal, and Daniele Vigo, has associated software/data.
Integrating Users’ Contextual Engagements with Their General Preferences: An Interpretable Followee Recommendation Method by Yaxuan Ran, Jiani Liu, and Yishi Zhang, has associated software/data.
Gradient-based Simulation Optimization Algorithms via Multi-Resolution System Approximations by Jingxu Xu and Zeyu Zheng, has associated software/data.
A Bayesian Semi-supervised Approach to Keyword Extraction with Only Positive and Unlabeled Data by Guanshen Wang, Yichen Cheng, Yusen Xia, Qiang Ling, and Xinlei Wang, has associated software/data.

Volume 35, Issue 2

Aircraft Conflict Resolution: A Benchmark Generator by Mercedes Pelegrın and Martina Cerulli, has associated software/data.
Now You See it, Now You Don’t: Obfuscation of Online Third-Party Information Sharing by Ashkan Eshghi, Ram D. Gopal, Hooman Hidaji, and Raymond A. Patterson, has associated software/data.
Reference Vector Assisted Candidate Search with Aggregated Surrogate for Computationally Expensive Many Objective Optimization Problems by Wenyu Wang and Christine A. Shoemaker, has associated software/data.
Revisiting Semidefinite Programming Approaches to Options Pricing: Complexity and Computational Perspectives by Didier Henrion, Felix Kirschner, Etienne de Klerk, Milan Korda, Jean-Bernard Lasserre, and Victor Magron, has associated software/data: Options/Pricing.
Diagnostic Tools for Evaluating and Comparing Simulation-Optimization Algorithms by David J. Eckman, Shane G. Henderson, and Sara Shashaani, has associated software/data.
Convergence Analysis of Stochastic Kriging-Assisted Simulation with Random Covariates by Cheng Li, Siyang Gao, and Jianzhong Du, has associated software/data.
Acuity-Based Allocation of ICU-Downstream Beds with Flexible Staffing by Silviya Valeva, Guodong Pang, Andrew J. Schaefer, and Gilles Clermont, has associated software/data.
An LSTM+ Model for Managing Epidemics: Using Population Mobility and Vulnerability for Forecasting COVID-19 Hospital Admissions by Arindam Ray, Wolfgang Jank, Kaushik Dutta, and Matthew Mullarkey, has associated software/data.
SimOpt: A Testbed for Simulation-Optimization Experiments by David J. Eckman, Shane G. Henderson, and Sara Shashaani, has associated software/data.
Scalable Parallel Nonlinear Optimization with PyNumero and Parapint by Jose S. Rodriguez, Robert B. Parker, Carl D. Laird, Bethany L. Nicholson, John D. Siirola, and Michael L. Bynum, has associated software/data.

Volume 35, Issue 1

py-irt: A Scalable Item Response Theory Library for Python by John Lalor and Pedro Rodriguez, has associated software/data.
Unmanned Aerial Vehicle Information Collection Missions with Uncertain Characteristics by Michael D. Moskal II, Erdi Dasdemir, and Rajan Batta, has associated software/data.
Robust Sourcing Under Multi-level Supply Risks: Analysis of Random Yield and Capacity by Ming Zhao, Nickolas Freeman, and Kai Pan, has associated software/data.
A Multiobjective Approach for Sector Duration Optimization in Stereotactic Radiosurgery Treatment Planning by Oylum Seker, Mucahit Cevik, Merve Bodur, Young Le, and Mark Ruschin, has associated software/data.

Volume 34, Issue 6

ROC++: Robust Optimization in C++ by Phebe Vayanos, Qing Jin, and George Elissaios, has associated software/data: ROC++.
Solving Stochastic Optimization with Expectation Constraints Eﬀiciently by a Stochastic Augmented Lagrangian-Type Algorithm by Liwei Zhang, Yule Zhang, Jia Wu, and Xiantao Xiao, has associated software/data.
Bi-fidelity Surrogate Modelling: Showcasing the Need for New Test Instances by Nicolau Andres-Thio, Mario Andres Munoz, Kate Smith-Miles, has associated software/data.
An Algorithm for Maximizing a Convex Function Based on its Minimum by Aharon Ben-Tal and Ernst Roos, has associated software/data.
Integrated Backup Rolling Stock Allocation and Timetable Rescheduling with Uncertain Time-Variant Passenger Demand Under Disruptive Events by Jiateng Yin, Lixing Yang, Andrea D’Ariano, Tao Tang, and Ziyou Gao, has associated software/data.
Disjunctive Rule Lists by Ronilo Ragodos and Tong Wang, has associated software/data.
A Polyhedral Study on Fuel-Constrained Unit Commitment by Kai Pan, Ming Zhao, Chung-Lun Li, and Feng Qiu, has associated software/data.
Stability Representations of Many-to-One Matching Problems: An Integer Optimization Approach by Pitchaya Wiratchotisatian, Hoda Atef Yekta, and Andrew C. Trapp, has associated software/data.

Volume 34, Issue 5

Disjoint Bilinear Optimization: A Two-stage Robust Optimization Perspective by Jianzhe Zhen, Ahmadreza Marandi, Danique de Moor, Dick den Hertog, and Lieven Vandenberghe, has associated software/data.
An Iterated Dual Substitution Approach for Binary Integer Programming Problems under the Min–Max Regret Criterion by Wei Wu, Manuel Iori, Silvano Martello, and Mutsunori Yagiura, has associated software/data.
FrankWolfe.jl: A High-performance and Flexible Toolbox for Frank-Wolfe Algorithms and Conditional Gradients by Mathieu Besançon, Alejandro Carderera, and Sebastian Pokutta, has associated software/data: FrankWolfe.jl.
Solving Natural Conic Formulations with Hypatia.jl by Chris Coey, Lea Kapelevich, and Juan Pablo Vielma, has associated software/data: Hypatia.
Decomposition and Adaptive Sampling for Data-Driven Inverse Linear Optimization by Rishabh Gupta and Qi Zhang, has associated software/data.
Projective Cutting-Planes for Robust Linear Programming and Cutting-stock Problems by Daniel Porumbel, has associated software/data.
A Software Package and Data Set for the Personal Protective Equipment Matching Problem During Covid-19 by Michele Samorani, Ram Bala, Rohit Jacob, and Shuhan He, has associated software/data.

Volume 34, Issue 4

VeRoViz: A Vehicle Routing Visualization Toolkit by L. Peng and C. Murray, has associated software/data: VeroViz.
Efficient Stochastic Programming in Julia by M. Biel and M. Johansson, has associated software/data: StochasticPrograms.jl.
Variable Bound Tightening and Valid Constraints for Multiperiod Blending by Yifu Chen and Christos T. Maravelias, has associated software/data: software/data.
A Restricted Dual Peaceman-Rachford Splitting Method for a Strengthened DNN Relaxation for QAP by Naomi Graham, Hao Hu, Jiyoung Im, Xinxin Li, and Henry Wolkowicz, has associated software/data.
SOS-SDP: an Exact Solver for Minimum Sum-of-Squares Clustering by Veronica Piccialli, Antonio M. Sudoso, and Angelika Wiegele, has associated software/data: SOS-SDP.

Volume 34, Issue 3

An Interior-Point Differentiable Path-Following Method to Compute Stationary Equilibria in Stochastic Games by Chuangyin Dang, P. Jean-Jacques Herings, and Peixuan Li, has associated software/data.

Volume 34, Issue 2

Distributionally Robust Optimization under Decision-Dependent Ambiguity Set with Applications to Machine Scheduling and Humanitarian Logistics by N. Noyan, G. Rudolf, and M.A. Lejeune, has associated software/data: AMPL.
JANOS: An Integrated Predictive and Prescriptive Modeling Framework by D. Bergman, T. Huang, P. Brooks, A. Lodi, and A.U. Raghunathan, has associated software/data: JANOS.

Volume 34, Issue 1

alfonso: Matlab Package for Nonsymmetric Conic Optimization by Dávid Papp and Sercan Yıldız, has associated software/data: alfonso.
Spatiotemporal Data Set for Out-of-Hospital Cardiac Arrests by J. Custodio and M. Lejeune, has associated software/data: VBOHCA.

Volume 33, Issue 4

frvcpy: An Open-Source Solver for the Fixed Route Vehicle Charging Problem by N. Kullman, A. Froger, JE Mendoza, and J. Goodson, has associated software/data: frvcpy.

Volume 33, Issue 1

SDDP.jl: A Julia Package for Stochastic Dual Dynamic Programming by O. Dowson and L. Kapelevich, has associated software/data: SDDP.jl.

Volume 32, Issue 4

PyMOSO: Software for Multi-Objective Simulation Optimization with R-PERLE and R-MinRLE by K. Cooper and S.R. Hunter, has associated software/data: PyMOSO.