Alex J. Ruiz-Torres

Publication Activity (10 Years)

Years Active: 1997-2023
Publications (10 Years): 9

Top Topics

Makespan Minimization

Top Venues

Comput. Ind. Eng.

Int. J. Prod. Res.

Comput. Oper. Res.

J. Math. Model. Algorithms Oper. Res.

Publications

Alex J. Ruiz-Torres, José Humberto Ablanedo-Rosas, Farzad Mahmoodi, Shunichi Ohmori
Determining number of suppliers, duration of supply cycle and allocation to in-house production under supply uncertainty. Comput. Ind. Eng. 182 (2023)
Alex J. Ruiz-Torres, Giuseppe Paletta, Belarmino Adenso-Díaz
Hybrid two stage flowshop scheduling with secondary resources based on time buckets. Int. J. Prod. Res. 60 (6) (2022)
Julio Mar-Ortiz, Alex J. Ruiz-Torres, Belarmino Adenso-Díaz
Scheduling in parallel machines with two objectives: analysis of factors that influence the Pareto frontier. Oper. Res. 22 (4) (2022)
Alex J. Ruiz-Torres, José Humberto Ablanedo-Rosas, Somnath Mukhopadhyay, Giuseppe Paletta
Scheduling workers: A multi-criteria model considering their satisfaction. Comput. Ind. Eng. 128 (2019)
Johnny C. Ho, Ivar Massabò, Giuseppe Paletta, Alex J. Ruiz-Torres
A note on posterior tight worst-case bounds for longest processing time schedules. 4OR 17 (1) (2019)
Alex J. Ruiz-Torres, Giuseppe Paletta, Farzad Mahmoodi, José Humberto Ablanedo-Rosas
Scheduling assemble-to-order systems with multiple cells to minimize costs and tardy deliveries. Comput. Ind. Eng. 115 (2018)
Alex J. Ruiz-Torres, Farzad Mahmoodi, Markku Kuula
Quality assurance laboratory planning system to maximize worker preference subject to certification and preference balance constraints. Comput. Oper. Res. 83 (2017)
Alex J. Ruiz-Torres, Giuseppe Paletta, Rym M'Hallah
Makespan minimisation with sequence-dependent machine deterioration and maintenance events. Int. J. Prod. Res. 55 (2) (2017)
Ivar Massabò, Giuseppe Paletta, Alex J. Ruiz-Torres
A note on longest processing time algorithms for the two uniform parallel machine makespan minimization problem. J. Sched. 19 (2) (2016)
Alex J. Ruiz-Torres, Giuseppe Paletta, Eduardo Pérez-Roman
Maximizing the Percentage of On-Time Jobs with Sequence Dependent Deteriorating Process Times. Int. J. Oper. Res. Inf. Syst. 6 (3) (2015)
Giuseppe Paletta, Alex J. Ruiz-Torres
Partial Solutions and MultiFit Algorithm for Multiprocessor Scheduling. J. Math. Model. Algorithms Oper. Res. 14 (2) (2015)
Alex J. Ruiz-Torres, Giuseppe Paletta, Eduardo Pérez-Roman
Parallel machine scheduling to minimize the makespan with sequence dependent deteriorating effects. Comput. Oper. Res. 40 (8) (2013)
Alex J. Ruiz-Torres, Farzad Mahmoodi, Amy Z. Zeng
Supplier selection model with contingency planning for supplier failures. Comput. Ind. Eng. 66 (2) (2013)
Alex J. Ruiz-Torres, Farzad Mahmoodi, Amy Z. Zeng, Elsa Nieves-Rodriguez
Dynamic Intelligent System for Sourcing Contingency Planning Considering Supplier Failures. EMS (2012)
A. Cossari, Johnny C. Ho, Giuseppe Paletta, Alex J. Ruiz-Torres
A new heuristic for workload balancing on identical parallel machines and a statistical perspective on the workload balancing criteria. Comput. Oper. Res. 39 (7) (2012)
Johnny C. Ho, Francisco J. López, Alex J. Ruiz-Torres, Tzu-Liang (Bill) Tseng
Minimizing total weighted flowtime subject to minimum makespan on two identical parallel machines. J. Intell. Manuf. 22 (2) (2011)
Alex J. Ruiz-Torres, Francisco J. López, Piotr J. Wojciechowski, Johnny C. Ho
Parallel machine scheduling problems considering regular measures of performance and machine cost. J. Oper. Res. Soc. 61 (5) (2010)
Alex J. Ruiz-Torres, José Humberto Ablanedo-Rosas, Johnny C. Ho
Minimizing the number of tardy jobs in the flowshop problem with operation and resource flexibility. Comput. Oper. Res. 37 (2) (2010)
Luis Daniel Otero, Grisselle Centeno, Alex J. Ruiz-Torres, Carlos E. Otero
A systematic approach for resource allocation in software projects. Comput. Ind. Eng. 56 (4) (2009)
Johnny C. Ho, Tzu-Liang (Bill) Tseng, Alex J. Ruiz-Torres, Francisco J. López
Minimizing the normalized sum of square for workload deviations on m parallel processors. Comput. Ind. Eng. 56 (1) (2009)
Alex J. Ruiz-Torres, Grisselle Centeno
Minimizing the number of late jobs for the permutation flowshop problem with secondary resources. Comput. Oper. Res. 35 (4) (2008)
Alex J. Ruiz-Torres, Francisco J. López, Johnny C. Ho
Scheduling uniform parallel machines subject to a secondary resource to minimize the number of tardy jobs. Eur. J. Oper. Res. 179 (2) (2007)
Alex J. Ruiz-Torres, Grisselle Centeno
Scheduling with flexible resources in parallel workcenters to minimize maximum completion time. Comput. Oper. Res. 34 (1) (2007)
Alex J. Ruiz-Torres, Edgar Zapata, Kazuo Nakatani, Marcella L. Cowen
Knowledge based representation and operations assessment of space transportation system architectures. Knowl. Based Syst. 19 (7) (2006)
Jatinder N. D. Gupta, Alex J. Ruiz-Torres
Generating efficient schedules for identical parallel machines involving flow-time and tardy jobs. Eur. J. Oper. Res. 167 (3) (2005)
Alex J. Ruiz-Torres, Francisco J. López
Using the FDH formulation of DEA to evaluate a multi-criteria problem in parallel machine scheduling. Comput. Ind. Eng. 47 (2-3) (2004)
Dayana Cope, Mansooreh Mollaghasemi, Assem Kaylani, Alex J. Ruiz-Torres, Martin J. Steele, Marcella L. Cowen
An Integrated Estimation and Modeling Environment for the Design of the Orbital Space Plane. WSC (2004)
Jatinder N. D. Gupta, Alex J. Ruiz-Torres, S. Webster
Minimizing maximum tardiness and number of tardy jobs on parallel machines subject to minimum flow-time. J. Oper. Res. Soc. 54 (12) (2003)
Alex J. Ruiz-Torres, Edgar Zapata
Simulation based operational analysis of future space transportation systems. WSC (2000)
Jatinder N. D. Gupta, Alex J. Ruiz-Torres
Minimizing makespan subject to minimum total flow-time on identical parallel machines. Eur. J. Oper. Res. 125 (2) (2000)
Alex J. Ruiz-Torres, Kazuo Nakatani
Application of Real-Time Simulation to Assign Due Dates on Logistic-manufacturing Networks. WSC (1998)
Alex J. Ruiz-Torres, John E. Tyworth
Simulation Based Approach to Study the Interaction of Scheduling and Routing on a Logistic Network. WSC (1997)