How to cite this paper
López-Santana, E., Rodríguez-Vásquez, W & Méndez-Giraldo, G. (2018). A hybrid expert system, clustering and ant colony optimization approach for scheduling and routing problem in courier services.International Journal of Industrial Engineering Computations , 9(3), 369-396.
Refrences
Almoustafa, S., Hanafi, S., & Mladenović, N. (2013). New exact method for large asymmetric distance-constrained vehicle routing problem. European Journal of Operational Research, 226(3), 386–394. Journal Article. https://doi.org/10.1016/j.ejor.2012.11.040
Archetti, C., Jabali, O., & Speranza, M. G. (2015). Multi-period Vehicle Routing Problem with Due dates. Computers & Operations Research, 61, 122–134. https://doi.org/10.1016/j.cor.2015.03.014
Braekers, K., Ramaekers, K., & Van Nieuwenhuyse, I. (2016). The vehicle routing problem: State of the art classification and review. Computers & Industrial Engineering, 99, 300–313. https://doi.org/10.1016/j.cie.2015.12.007
Cacchiani, V., Hemmelmayr, V. C., & Tricoire, F. (2014). A set-covering based heuristic algorithm for the periodic vehicle routing problem. Discrete Applied Mathematics (Amsterdam, Netherlands : 1988), 163(Pt 1), 53–64. https://doi.org/10.1016/j.dam.2012.08.032
Chang, T.-S., & Yen, H.-M. (2012). City-courier routing and scheduling problems. European Journal of Operational Research, 223(2), 489–498. https://doi.org/10.1016/j.ejor.2012.06.007
Cheng, C.-B., & Mao, C.-P. (2007). A modified ant colony system for solving the travelling salesman problem with time windows. Mathematical and Computer Modelling, 46(9–10), 1225–1235. Journal Article. https://doi.org/10.1016/j.mcm.2006.11.035
Chu, F., Labadi, N., & Prins, C. (2006). A Scatter Search for the periodic capacitated arc routing problem. European Journal of Operational Research, 169(2), 586–605. https://doi.org/10.1016/j.ejor.2004.08.017
Clarke, G. u, & Wright, J. W. (1964). Scheduling of vehicles from a central depot to a number of delivery points. Operations Research, 12(4), 568–581. Journal Article. https://doi.org/10.1287/opre.12.4.568
Díez, R. P., Gómez, A. G., & Martínez, N. de A. (2001). Introduction to Artificial Intelligence: Expert Systems, Artificial Neural Networks, and Evolutionary Computation. Universidad de Oviedo.
Ding, Q., Hu, X., Sun, L., & Wang, Y. (2012). An improved ant colony optimization and its application to vehicle routing problem with time windows. Neurocomputing, 98, 101–107. Journal Article. https://doi.org/10.1016/j.neucom.2011.09.040
Dios, M., & Framinan, J. M. (2016). A review and classification of computer-based manufacturing scheduling tools. Computers and Industrial Engineering, 99, 229–249. https://doi.org/10.1016/j.cie.2016.07.020
Eksioglu, B., Vural, A. V., & Reisman, A. (2009). The vehicle routing problem: A taxonomic review. Computers & Industrial Engineering, 57(4), 1472–1483. Journal Article. https://doi.org/10.1016/j.cie.2009.05.009
Farahani, R. Z., Rezapour, S., & Kardar, L. (2011). Logistics Operations and Management. Book, Elsevier. https://doi.org/10.1016/C2010-0-67008-8
Fikar, C., & Hirsch, P. (2015). A matheuristic for routing real-world home service transport systems facilitating walking. Journal of Cleaner Production, 105, 300–310. https://doi.org/10.1016/j.jclepro.2014.07.013
Francis, P., Smilowitz, K., & Tzur, M. (2006). The Period Vehicle Routing Problem with Service Choice. Transportation Science, 40(4), 439–454. https://doi.org/10.1287/trsc.1050.0140
Galindres-Guancha, L. F., Toro-Ocampo, E. M., & Gallego- Rendón, R. A. (2018). Multi-objective MDVRP solution considering route balance and cost using the ILS metaheuristic. International Journal of Industrial Engineering Computations, 9(1), 33–46. https://doi.org/10.5267/j.ijiec.2017.5.002
Ghiani, G., Manni, E., Quaranta, A., & Triki, C. (2009). Anticipatory algorithms for same-day courier dispatching. Transportation Research Part E: Logistics and Transportation Review, 45(1), 96–106. https://doi.org/10.1016/j.tre.2008.08.003
Gillett, B. E., & Miller, L. R. (1974). A Heuristic Algorithm for the Vehicle-Dispatch Problem. Operations Research, 22(2), 340–349. https://doi.org/10.1287/opre.22.2.340
Glover, F. W., & Kochenberger, G. A. (2003). Handbook of metaheuristics. (G. Fred & Gary A. Kochenberger, Eds.) (Vol. 57). Book, Springer US. https://doi.org/10.1007/b101874
Janssens, J., Van den Bergh, J., Sörensen, K., & Cattrysse, D. (2015). Multi-objective microzone-based vehicle routing for courier companies: From tactical to operational planning. European Journal of Operational Research, 242(1), 222–231. https://doi.org/10.1016/j.ejor.2014.09.026
Jia, H., Li, Y., Dong, B., & Ya, H. (2013). An Improved Tabu Search Approach to Vehicle Routing Problem. Procedia - Social and Behavioral Sciences, 96, 1208–1217. https://doi.org/10.1016/j.sbspro.2013.08.138
Kara, I., & Derya, T. (2015). Formulations for Minimizing Tour Duration of the Traveling Salesman Problem with Time Windows. Procedia Economics and Finance, 26, 1026–1034. https://doi.org/10.1016/S2212-5671(15)00926-0
Kek, A. G. H., Cheu, R. L., & Meng, Q. (2008). Distance-constrained capacitated vehicle routing problems with flexible assignment of start and end depots. Mathematical and Computer Modelling, 47(1–2), 140–152. https://doi.org/10.1016/j.mcm.2007.02.007
Krishnamoorthy, C. S., & Rajeev, S. (1996). Artificial intelligence and expert systems for engineers. Boca Raton: CRC Press.
Küçükoğlu, İ., & Öztürk, N. (2015). An advanced hybrid meta-heuristic algorithm for the vehicle routing problem with backhauls and time windows. Computers & Industrial Engineering, 86, 60–68. https://doi.org/10.1016/j.cie.2014.10.014
Kusiak, A. (1990). Intelligent manufacturing systems. London: Prentice Hall International.
Lin, C., Choy, K. L., Ho, G. T. S., Lam, H. Y., Pang, G. K. H., & Chin, K. S. (2014). A decision support system for optimizing dynamic courier routing operations. Expert Systems with Applications, 41(15), 6917–6933. https://doi.org/10.1016/j.eswa.2014.04.036
Lin, C. K. Y. (2011). A vehicle routing problem with pickup and delivery time windows, and coordination of transportable resources. Computers & Operations Research, 38(11), 1596–1609. https://doi.org/10.1016/j.cor.2011.01.021
Liu, R., Xie, X., Augusto, V., & Rodriguez, C. (2013). Heuristic algorithms for a vehicle routing problem with simultaneous delivery and pickup and time windows in home health care. European Journal of Operational Research, 230(3), 475–486. https://doi.org/10.1016/j.ejor.2013.04.044
López-Ibáñez, M., & Blum, C. (2010). Beam-ACO for the travelling salesman problem with time windows. Computers & Operations Research, 37(9), 1570–1583. Journal Article. https://doi.org/10.1016/j.cor.2009.11.015
López-Santana, E. R., & Méndez-Giraldo, G. A. (2016). A Knowledge-Based Expert System for Scheduling in Services Systems. In J. C. Figueroa-García, E. R. López-Santana, & R. Ferro-Escobar (Eds.), Applied Computer Sciences in Engineering WEA 2016 (pp. 212–224). Springer International Publishing AG. https://doi.org/10.1007/978-3-319-50880-1_19
López-Santana, E. R., & Romero Carvajal, J. de J. (2015). A hybrid column generation and clustering approach to the school bus routing problem with time windows. Ingeniería, 20(1), 111–127. https://doi.org/http://dx.doi.org/10.14483/udistrital.jour.reving.2015.1.a07
Malmborg, C. J. (2000). Current modeling practices in bank courier scheduling. Applied Mathematical Modelling, 24(4), 315–325. https://doi.org/10.1016/S0307-904X(99)00044-X
Méndez-Giraldo, G., Álvarez, L., Caicedo, C., & Malaver, M. (2013). Expert system for scheduling production-research and development of a prototype (1st ed.). Colombia: Universidad Distrital Francisco José de Caldas.
Nagarajan, V., & Ravi, R. (2012). Approximation algorithms for distance constrained vehicle routing problems. Networks, 59(2), 209–214. https://doi.org/10.1002/net.20435
Patiño Chirva, J. A., Daza Cruz, Y. X., & López-Santana, E. R. (2016). A Hybrid Mixed-Integer Optimization and Clustering Approach to Selective Collection Services Problem of Domestic Solid Waste. Ingeniería, 21(2), 235–247. https://doi.org/http://dx.doi.org/10.14483/udistrital.jour.reving.2016.2.a09
Pereira, F. B., & Tavares, J. (2009). Bio-inspired Algorithms for the Vehicle Routing Problem. (F. B. Pereira & J. Tavares, Eds.). Springer-Verlag Berlin Heidelberg. https://doi.org/10.1007/978-3-540-85152-3
Pillac, V., Guéret, C., & Medaglia, A. L. (2012). A parallel matheuristic for the technician routing and scheduling problem. Optimization Letters, 1–11. https://doi.org/10.1007/s11590-012-0567-4
Pureza, V., Morabito, R., & Reimann, M. (2012). Vehicle routing with multiple deliverymen: Modeling and heuristic approaches for the VRPTW. European Journal of Operational Research, 218(3), 636–647. https://doi.org/10.1016/j.ejor.2011.12.005
Rincon-Garcia, N., Waterson, B. J., & Cherrett, T. J. (2017). A hybrid metaheuristic for the time-dependent vehicle routing problem with hard time windows. International Journal of Industrial Engineering Computations, 8(1), 141–160. https://doi.org/10.5267/j.ijiec.2016.6.002
Rodríguez-Vásquez, W. C., López-Santana, E. R., & Méndez-Giraldo, G. A. (2016). Proposal for a Hybrid Expert System and an Optimization Model for the Routing Problem in the Courier Services. In J. C. Figueroa-García, E. R. López-Santana, & R. Ferro-Escobar (Eds.), Applied Computer Sciences in Engineering WEA 2016 (pp. 141–152). Springer International Publishing AG. https://doi.org/10.1007/978-3-319-50880-1_13
Rodriguez, S., Correa, D., & López-Santana, E. (2015). An Alternative Iterative Method to Periodic Vehicle Routing Problem. In S. Cetinkaya and J. K. Ryan (Ed.), IIE Annual Conference and Expo 2015 (pp. 2001–2010).
Sahin, S., Tolun, M. R., & Hassanpour, R. (2012). Hybrid expert systems: A survey of current approaches and applications. Expert Systems with Applications, 39(4), 4609–4617. https://doi.org/10.1016/j.eswa.2011.08.130
Shin, K., & Han, S. (2012). A Centroid-based Heuristic Algorithm for the Capacitated Vehicle Routing Problem. Computing and Informatics, 30(4), 721–732. Retrieved from http://www.cai.sk/ojs/index.php/cai/article/view/192
Sprenger, R., & Mönch, L. (2012). A methodology to solve large-scale cooperative transportation planning problems. European Journal of Operational Research, 223(3), 626–636. https://doi.org/10.1016/j.ejor.2012.07.021
Tlili, T., Faiz, S., & Krichen, S. (2014). A Hybrid Metaheuristic for the Distance-constrained Capacitated Vehicle Routing Problem. Procedia - Social and Behavioral Sciences, 109, 779–783. https://doi.org/10.1016/j.sbspro.2013.12.543
Toth, P., & Vigo, D. (2002). The vehicle routing problem. Optimization (Vol. 9). Philadelphia: SIAM. https://doi.org/10.1137/1.9780898718515
Turban, E. (1989). Decision support and expert systems: management support systems (2nd ed.). Book, Prentice Hall PTR.
Wagner, W. P. (2017). Trends in expert system development: A longitudinal content analysis of over thirty years of expert system case studies. Expert Systems with Applications, 76, 85–96. https://doi.org/10.1016/j.eswa.2017.01.028
Yan, S., Lin, J.-R., & Lai, C.-W. (2013). The planning and real-time adjustment of courier routing and scheduling under stochastic travel times and demands. Transportation Research Part E: Logistics and Transportation Review, 53, 34–48. https://doi.org/10.1016/j.tre.2013.01.011
Yu, B., Yang, Z. Z., & Yao, B. Z. (2011). A hybrid algorithm for vehicle routing problem with time windows. Expert Systems with Applications, 38(1), 435–441. https://doi.org/10.1016/j.eswa.2010.06.082
Archetti, C., Jabali, O., & Speranza, M. G. (2015). Multi-period Vehicle Routing Problem with Due dates. Computers & Operations Research, 61, 122–134. https://doi.org/10.1016/j.cor.2015.03.014
Braekers, K., Ramaekers, K., & Van Nieuwenhuyse, I. (2016). The vehicle routing problem: State of the art classification and review. Computers & Industrial Engineering, 99, 300–313. https://doi.org/10.1016/j.cie.2015.12.007
Cacchiani, V., Hemmelmayr, V. C., & Tricoire, F. (2014). A set-covering based heuristic algorithm for the periodic vehicle routing problem. Discrete Applied Mathematics (Amsterdam, Netherlands : 1988), 163(Pt 1), 53–64. https://doi.org/10.1016/j.dam.2012.08.032
Chang, T.-S., & Yen, H.-M. (2012). City-courier routing and scheduling problems. European Journal of Operational Research, 223(2), 489–498. https://doi.org/10.1016/j.ejor.2012.06.007
Cheng, C.-B., & Mao, C.-P. (2007). A modified ant colony system for solving the travelling salesman problem with time windows. Mathematical and Computer Modelling, 46(9–10), 1225–1235. Journal Article. https://doi.org/10.1016/j.mcm.2006.11.035
Chu, F., Labadi, N., & Prins, C. (2006). A Scatter Search for the periodic capacitated arc routing problem. European Journal of Operational Research, 169(2), 586–605. https://doi.org/10.1016/j.ejor.2004.08.017
Clarke, G. u, & Wright, J. W. (1964). Scheduling of vehicles from a central depot to a number of delivery points. Operations Research, 12(4), 568–581. Journal Article. https://doi.org/10.1287/opre.12.4.568
Díez, R. P., Gómez, A. G., & Martínez, N. de A. (2001). Introduction to Artificial Intelligence: Expert Systems, Artificial Neural Networks, and Evolutionary Computation. Universidad de Oviedo.
Ding, Q., Hu, X., Sun, L., & Wang, Y. (2012). An improved ant colony optimization and its application to vehicle routing problem with time windows. Neurocomputing, 98, 101–107. Journal Article. https://doi.org/10.1016/j.neucom.2011.09.040
Dios, M., & Framinan, J. M. (2016). A review and classification of computer-based manufacturing scheduling tools. Computers and Industrial Engineering, 99, 229–249. https://doi.org/10.1016/j.cie.2016.07.020
Eksioglu, B., Vural, A. V., & Reisman, A. (2009). The vehicle routing problem: A taxonomic review. Computers & Industrial Engineering, 57(4), 1472–1483. Journal Article. https://doi.org/10.1016/j.cie.2009.05.009
Farahani, R. Z., Rezapour, S., & Kardar, L. (2011). Logistics Operations and Management. Book, Elsevier. https://doi.org/10.1016/C2010-0-67008-8
Fikar, C., & Hirsch, P. (2015). A matheuristic for routing real-world home service transport systems facilitating walking. Journal of Cleaner Production, 105, 300–310. https://doi.org/10.1016/j.jclepro.2014.07.013
Francis, P., Smilowitz, K., & Tzur, M. (2006). The Period Vehicle Routing Problem with Service Choice. Transportation Science, 40(4), 439–454. https://doi.org/10.1287/trsc.1050.0140
Galindres-Guancha, L. F., Toro-Ocampo, E. M., & Gallego- Rendón, R. A. (2018). Multi-objective MDVRP solution considering route balance and cost using the ILS metaheuristic. International Journal of Industrial Engineering Computations, 9(1), 33–46. https://doi.org/10.5267/j.ijiec.2017.5.002
Ghiani, G., Manni, E., Quaranta, A., & Triki, C. (2009). Anticipatory algorithms for same-day courier dispatching. Transportation Research Part E: Logistics and Transportation Review, 45(1), 96–106. https://doi.org/10.1016/j.tre.2008.08.003
Gillett, B. E., & Miller, L. R. (1974). A Heuristic Algorithm for the Vehicle-Dispatch Problem. Operations Research, 22(2), 340–349. https://doi.org/10.1287/opre.22.2.340
Glover, F. W., & Kochenberger, G. A. (2003). Handbook of metaheuristics. (G. Fred & Gary A. Kochenberger, Eds.) (Vol. 57). Book, Springer US. https://doi.org/10.1007/b101874
Janssens, J., Van den Bergh, J., Sörensen, K., & Cattrysse, D. (2015). Multi-objective microzone-based vehicle routing for courier companies: From tactical to operational planning. European Journal of Operational Research, 242(1), 222–231. https://doi.org/10.1016/j.ejor.2014.09.026
Jia, H., Li, Y., Dong, B., & Ya, H. (2013). An Improved Tabu Search Approach to Vehicle Routing Problem. Procedia - Social and Behavioral Sciences, 96, 1208–1217. https://doi.org/10.1016/j.sbspro.2013.08.138
Kara, I., & Derya, T. (2015). Formulations for Minimizing Tour Duration of the Traveling Salesman Problem with Time Windows. Procedia Economics and Finance, 26, 1026–1034. https://doi.org/10.1016/S2212-5671(15)00926-0
Kek, A. G. H., Cheu, R. L., & Meng, Q. (2008). Distance-constrained capacitated vehicle routing problems with flexible assignment of start and end depots. Mathematical and Computer Modelling, 47(1–2), 140–152. https://doi.org/10.1016/j.mcm.2007.02.007
Krishnamoorthy, C. S., & Rajeev, S. (1996). Artificial intelligence and expert systems for engineers. Boca Raton: CRC Press.
Küçükoğlu, İ., & Öztürk, N. (2015). An advanced hybrid meta-heuristic algorithm for the vehicle routing problem with backhauls and time windows. Computers & Industrial Engineering, 86, 60–68. https://doi.org/10.1016/j.cie.2014.10.014
Kusiak, A. (1990). Intelligent manufacturing systems. London: Prentice Hall International.
Lin, C., Choy, K. L., Ho, G. T. S., Lam, H. Y., Pang, G. K. H., & Chin, K. S. (2014). A decision support system for optimizing dynamic courier routing operations. Expert Systems with Applications, 41(15), 6917–6933. https://doi.org/10.1016/j.eswa.2014.04.036
Lin, C. K. Y. (2011). A vehicle routing problem with pickup and delivery time windows, and coordination of transportable resources. Computers & Operations Research, 38(11), 1596–1609. https://doi.org/10.1016/j.cor.2011.01.021
Liu, R., Xie, X., Augusto, V., & Rodriguez, C. (2013). Heuristic algorithms for a vehicle routing problem with simultaneous delivery and pickup and time windows in home health care. European Journal of Operational Research, 230(3), 475–486. https://doi.org/10.1016/j.ejor.2013.04.044
López-Ibáñez, M., & Blum, C. (2010). Beam-ACO for the travelling salesman problem with time windows. Computers & Operations Research, 37(9), 1570–1583. Journal Article. https://doi.org/10.1016/j.cor.2009.11.015
López-Santana, E. R., & Méndez-Giraldo, G. A. (2016). A Knowledge-Based Expert System for Scheduling in Services Systems. In J. C. Figueroa-García, E. R. López-Santana, & R. Ferro-Escobar (Eds.), Applied Computer Sciences in Engineering WEA 2016 (pp. 212–224). Springer International Publishing AG. https://doi.org/10.1007/978-3-319-50880-1_19
López-Santana, E. R., & Romero Carvajal, J. de J. (2015). A hybrid column generation and clustering approach to the school bus routing problem with time windows. Ingeniería, 20(1), 111–127. https://doi.org/http://dx.doi.org/10.14483/udistrital.jour.reving.2015.1.a07
Malmborg, C. J. (2000). Current modeling practices in bank courier scheduling. Applied Mathematical Modelling, 24(4), 315–325. https://doi.org/10.1016/S0307-904X(99)00044-X
Méndez-Giraldo, G., Álvarez, L., Caicedo, C., & Malaver, M. (2013). Expert system for scheduling production-research and development of a prototype (1st ed.). Colombia: Universidad Distrital Francisco José de Caldas.
Nagarajan, V., & Ravi, R. (2012). Approximation algorithms for distance constrained vehicle routing problems. Networks, 59(2), 209–214. https://doi.org/10.1002/net.20435
Patiño Chirva, J. A., Daza Cruz, Y. X., & López-Santana, E. R. (2016). A Hybrid Mixed-Integer Optimization and Clustering Approach to Selective Collection Services Problem of Domestic Solid Waste. Ingeniería, 21(2), 235–247. https://doi.org/http://dx.doi.org/10.14483/udistrital.jour.reving.2016.2.a09
Pereira, F. B., & Tavares, J. (2009). Bio-inspired Algorithms for the Vehicle Routing Problem. (F. B. Pereira & J. Tavares, Eds.). Springer-Verlag Berlin Heidelberg. https://doi.org/10.1007/978-3-540-85152-3
Pillac, V., Guéret, C., & Medaglia, A. L. (2012). A parallel matheuristic for the technician routing and scheduling problem. Optimization Letters, 1–11. https://doi.org/10.1007/s11590-012-0567-4
Pureza, V., Morabito, R., & Reimann, M. (2012). Vehicle routing with multiple deliverymen: Modeling and heuristic approaches for the VRPTW. European Journal of Operational Research, 218(3), 636–647. https://doi.org/10.1016/j.ejor.2011.12.005
Rincon-Garcia, N., Waterson, B. J., & Cherrett, T. J. (2017). A hybrid metaheuristic for the time-dependent vehicle routing problem with hard time windows. International Journal of Industrial Engineering Computations, 8(1), 141–160. https://doi.org/10.5267/j.ijiec.2016.6.002
Rodríguez-Vásquez, W. C., López-Santana, E. R., & Méndez-Giraldo, G. A. (2016). Proposal for a Hybrid Expert System and an Optimization Model for the Routing Problem in the Courier Services. In J. C. Figueroa-García, E. R. López-Santana, & R. Ferro-Escobar (Eds.), Applied Computer Sciences in Engineering WEA 2016 (pp. 141–152). Springer International Publishing AG. https://doi.org/10.1007/978-3-319-50880-1_13
Rodriguez, S., Correa, D., & López-Santana, E. (2015). An Alternative Iterative Method to Periodic Vehicle Routing Problem. In S. Cetinkaya and J. K. Ryan (Ed.), IIE Annual Conference and Expo 2015 (pp. 2001–2010).
Sahin, S., Tolun, M. R., & Hassanpour, R. (2012). Hybrid expert systems: A survey of current approaches and applications. Expert Systems with Applications, 39(4), 4609–4617. https://doi.org/10.1016/j.eswa.2011.08.130
Shin, K., & Han, S. (2012). A Centroid-based Heuristic Algorithm for the Capacitated Vehicle Routing Problem. Computing and Informatics, 30(4), 721–732. Retrieved from http://www.cai.sk/ojs/index.php/cai/article/view/192
Sprenger, R., & Mönch, L. (2012). A methodology to solve large-scale cooperative transportation planning problems. European Journal of Operational Research, 223(3), 626–636. https://doi.org/10.1016/j.ejor.2012.07.021
Tlili, T., Faiz, S., & Krichen, S. (2014). A Hybrid Metaheuristic for the Distance-constrained Capacitated Vehicle Routing Problem. Procedia - Social and Behavioral Sciences, 109, 779–783. https://doi.org/10.1016/j.sbspro.2013.12.543
Toth, P., & Vigo, D. (2002). The vehicle routing problem. Optimization (Vol. 9). Philadelphia: SIAM. https://doi.org/10.1137/1.9780898718515
Turban, E. (1989). Decision support and expert systems: management support systems (2nd ed.). Book, Prentice Hall PTR.
Wagner, W. P. (2017). Trends in expert system development: A longitudinal content analysis of over thirty years of expert system case studies. Expert Systems with Applications, 76, 85–96. https://doi.org/10.1016/j.eswa.2017.01.028
Yan, S., Lin, J.-R., & Lai, C.-W. (2013). The planning and real-time adjustment of courier routing and scheduling under stochastic travel times and demands. Transportation Research Part E: Logistics and Transportation Review, 53, 34–48. https://doi.org/10.1016/j.tre.2013.01.011
Yu, B., Yang, Z. Z., & Yao, B. Z. (2011). A hybrid algorithm for vehicle routing problem with time windows. Expert Systems with Applications, 38(1), 435–441. https://doi.org/10.1016/j.eswa.2010.06.082