Alex J. Ruiz-Torres

34 papers Misc 4Journal 29Unranked 1

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	MIP model and heuristics to minimize environmental metrics in a production environment with deteriorating machines, skilled workers, and finishing tools, the case of a pottery handicrafts workshop. Expert Syst. Appl. Norelhouda Sekkal, Alex J. Ruiz-Torres
2023	J	`jnl`	Determining number of suppliers, duration of supply cycle and allocation to in-house production under supply uncertainty. Comput. Ind. Eng. Alex J. Ruiz-Torres, José Humberto Ablanedo-Rosas, Farzad Mahmoodi, Shunichi Ohmori
2022	J	`jnl`	Hybrid two stage flowshop scheduling with secondary resources based on time buckets. Int. J. Prod. Res. Alex J. Ruiz-Torres, Giuseppe Paletta, Belarmino Adenso-Díaz
2022	J	`jnl`	Scheduling in parallel machines with two objectives: analysis of factors that influence the Pareto frontier. Oper. Res. Julio Mar-Ortiz, Alex J. Ruiz-Torres, Belarmino Adenso-Díaz
2021	J	`jnl`	The Multiple Supply Chain Design Problem: Integration of Multiple Configurations Based on Product, Customer, and Supply Chain Characteristics. Int. J. Inf. Syst. Supply Chain Manag. Shunichi Ohmori, Tsuneaki Arakane, Alex J. Ruiz-Torres, Kazuho Yoshimoto
2019	J	`jnl`	A note on posterior tight worst-case bounds for longest processing time schedules. 4OR Johnny C. Ho, Ivar Massabò, Giuseppe Paletta, Alex J. Ruiz-Torres
2019	J	`jnl`	Scheduling workers: A multi-criteria model considering their satisfaction. Comput. Ind. Eng. Alex J. Ruiz-Torres, José Humberto Ablanedo-Rosas, Somnath Mukhopadhyay, Giuseppe Paletta
2018	J	`jnl`	Scheduling assemble-to-order systems with multiple cells to minimize costs and tardy deliveries. Comput. Ind. Eng. Alex J. Ruiz-Torres, Giuseppe Paletta, Farzad Mahmoodi, José Humberto Ablanedo-Rosas
2017	J	`jnl`	Makespan minimisation with sequence-dependent machine deterioration and maintenance events. Int. J. Prod. Res. Alex J. Ruiz-Torres, Giuseppe Paletta, Rym M'Hallah
2017	J	`jnl`	Quality assurance laboratory planning system to maximize worker preference subject to certification and preference balance constraints. Comput. Oper. Res. Alex J. Ruiz-Torres, Farzad Mahmoodi, Markku Kuula
2016	J	`jnl`	A note on longest processing time algorithms for the two uniform parallel machine makespan minimization problem. J. Sched. Ivar Massabò, Giuseppe Paletta, Alex J. Ruiz-Torres
2015	J	`jnl`	Maximizing the Percentage of On-Time Jobs with Sequence Dependent Deteriorating Process Times. Int. J. Oper. Res. Inf. Syst. Alex J. Ruiz-Torres, Giuseppe Paletta, Eduardo Pérez-Roman
2015	J	`jnl`	Partial Solutions and MultiFit Algorithm for Multiprocessor Scheduling. J. Math. Model. Algorithms Oper. Res. Giuseppe Paletta, Alex J. Ruiz-Torres
2013	J	`jnl`	Parallel machine scheduling to minimize the makespan with sequence dependent deteriorating effects. Comput. Oper. Res. Alex J. Ruiz-Torres, Giuseppe Paletta, Eduardo Pérez-Roman
2013	J	`jnl`	Supplier selection model with contingency planning for supplier failures. Comput. Ind. Eng. Alex J. Ruiz-Torres, Farzad Mahmoodi, Amy Z. Zeng
2012	J	`jnl`	A new heuristic for workload balancing on identical parallel machines and a statistical perspective on the workload balancing criteria. Comput. Oper. Res. A. Cossari, Johnny C. Ho, Giuseppe Paletta, Alex J. Ruiz-Torres
2012	—	`conf`	Dynamic Intelligent System for Sourcing Contingency Planning Considering Supplier Failures. EMS Alex J. Ruiz-Torres, Farzad Mahmoodi, Amy Z. Zeng, Elsa Nieves-Rodriguez
2011	J	`jnl`	Minimizing total weighted flowtime subject to minimum makespan on two identical parallel machines. J. Intell. Manuf. Johnny C. Ho, Francisco J. López, Alex J. Ruiz-Torres, Tzu-Liang (Bill) Tseng
2010	J	`jnl`	Minimizing the number of tardy jobs in the flowshop problem with operation and resource flexibility. Comput. Oper. Res. Alex J. Ruiz-Torres, José Humberto Ablanedo-Rosas, Johnny C. Ho
2010	J	`jnl`	Parallel machine scheduling problems considering regular measures of performance and machine cost. J. Oper. Res. Soc. Alex J. Ruiz-Torres, Francisco J. López, Piotr J. Wojciechowski, Johnny C. Ho
2009	J	`jnl`	A systematic approach for resource allocation in software projects. Comput. Ind. Eng. Luis Daniel Otero, Grisselle Centeno, Alex J. Ruiz-Torres, Carlos E. Otero
2009	J	`jnl`	Minimizing the normalized sum of square for workload deviations on m parallel processors. Comput. Ind. Eng. Johnny C. Ho, Tzu-Liang (Bill) Tseng, Alex J. Ruiz-Torres, Francisco J. López
2008	J	`jnl`	Minimizing the number of late jobs for the permutation flowshop problem with secondary resources. Comput. Oper. Res. Alex J. Ruiz-Torres, Grisselle Centeno
2007	J	`jnl`	Scheduling uniform parallel machines subject to a secondary resource to minimize the number of tardy jobs. Eur. J. Oper. Res. Alex J. Ruiz-Torres, Francisco J. López, Johnny C. Ho
2007	J	`jnl`	Scheduling with flexible resources in parallel workcenters to minimize maximum completion time. Comput. Oper. Res. Alex J. Ruiz-Torres, Grisselle Centeno
2006	J	`jnl`	Knowledge based representation and operations assessment of space transportation system architectures. Knowl. Based Syst. Alex J. Ruiz-Torres, Edgar Zapata, Kazuo Nakatani, Marcella L. Cowen
2005	J	`jnl`	Generating efficient schedules for identical parallel machines involving flow-time and tardy jobs. Eur. J. Oper. Res. Jatinder N. D. Gupta, Alex J. Ruiz-Torres
2004	Misc	`conf`	An Integrated Estimation and Modeling Environment for the Design of the Orbital Space Plane. WSC Dayana Cope, Mansooreh Mollaghasemi, Assem Kaylani, Alex J. Ruiz-Torres, Martin J. Steele, Marcella L. Cowen
2004	J	`jnl`	Using the FDH formulation of DEA to evaluate a multi-criteria problem in parallel machine scheduling. Comput. Ind. Eng. Alex J. Ruiz-Torres, Francisco J. López
2003	J	`jnl`	Minimizing maximum tardiness and number of tardy jobs on parallel machines subject to minimum flow-time. J. Oper. Res. Soc. Jatinder N. D. Gupta, Alex J. Ruiz-Torres, Scott Webster
2000	J	`jnl`	Minimizing makespan subject to minimum total flow-time on identical parallel machines. Eur. J. Oper. Res. Jatinder N. D. Gupta, Alex J. Ruiz-Torres
2000	Misc	`conf`	Simulation based operational analysis of future space transportation systems. WSC Alex J. Ruiz-Torres, Edgar Zapata
1998	Misc	`conf`	Application of Real-Time Simulation to Assign Due Dates on Logistic-manufacturing Networks. WSC Alex J. Ruiz-Torres, Kazuo Nakatani
1997	Misc	`conf`	Simulation Based Approach to Study the Interaction of Scheduling and Routing on a Logistic Network. WSC Alex J. Ruiz-Torres, John E. Tyworth