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Article

Simeonova, Lina and Wassan, Niaz A. and Salhi, Said and Nagy, Gábor (2018) The heterogeneous fleet vehicle routing problem with light loads and overtime: Formulation and population variable neighbourhood search with adaptive memory. Expert Systems with Applications, 114 . pp. 183-195. ISSN 0957-4174. (doi:https://doi.org/10.1016/j.eswa.2018.07.034) (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided)

Tran, Trung Hieu and Nagy, Gábor and Nguyen, Thu Ba T. and Wassan, Niaz A. (2018) An efficient heuristic algorithm for the alternative-fuel station location problem. European Journal of Operational Research, 269 (1). pp. 159-170. ISSN 0377-2217. (doi:https://doi.org/10.1016/j.ejor.2017.10.012) (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided)

Sze, Jeeu Fong and Salhi, Said and Wassan, Niaz A. (2017) The cumulative capacitated vehicle routing problem with min-sum and min-max objectives: An effective hybridisation of adaptive variable neighbourhood search and large neighbourhood search. Transportation Research Part B: Methodological, 101 . pp. 162-184. ISSN 0191-2615. (doi:https://doi.org/10.1016/j.trb.2017.04.003) (Full text available)

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Wassan, Naveed A. and Wassan, Niaz A. and Nagy, Gábor and Salhi, Said (2017) The Multiple Trip Vehicle Routing Problem with Backhauls: Formulation and a Two-Level Variable Neighbourhood Search. Computers & Operations Research, 78 . pp. 454-467. ISSN 0305-0548. (doi:https://doi.org/10.1016/j.cor.2015.12.017) (Full text available)

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Sze, Jeeu Fong and Salhi, Said and Wassan, Niaz A. (2016) A hybridisation of adaptive variable neighbourhood search and large neighbourhood search: Application to the vehicle routing problem. Expert Systems with Applications, 65 . pp. 383-397. ISSN 0957-4174. (doi:https://doi.org/10.1016/j.eswa.2016.08.060) (Full text available)

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Nagy, Gábor and Wassan, Niaz A. and Speranza, M. Grazia and Archetti, Claudia (2015) The Vehicle Routing Problem with Divisible Deliveries and Pickups. Transportation Science, . pp. 271-294. ISSN 0041-1655. (doi:https://doi.org/10.1287/trsc.2013.0501) (Full text available)

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Wassan, Niaz A. and Nagy, Gábor (2014) Vehicle routing problem with deliveries and pickups: Modelling issues and meta-heuristics solution approaches. International Journal of Transportation, 2 (1). pp. 95-110. ISSN 2287-7940. (doi:https://doi.org/10.14257/ijt.2014.2.1.06) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Salhi, Said and Imran, Arif and Wassan, Niaz A. (2014) The Multi-depot Vehicle Routing Problem with Heterogeneous Vehicle Fleet: Formulation and a Variable Neighborhood Search Implementation. Computers and Operations Research, 52 (Part B). pp. 315-325. ISSN 0305-0548. (doi:https://doi.org/10.1016/j.cor.2013.05.011) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Salhi, Said and Wassan, Niaz A. and Hajarat, Mutaz (2013) The Fleet Size and Mix vehicle Routing Problem with backhauls: Formulation and Set partitioning-based heuristics. Transportation Research Part E, 56 . pp. 22-35. ISSN 1366-5545. (doi:https://doi.org/10.1016/j.tre.2013.05.005) (Full text available)

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Nagy, Gábor and Wassan, Niaz A. and Salhi, Said (2013) The Vehicle Routing Problem with Restricted Mixing of Deliveries and Pickups. Journal of Scheduling, 16 (2). pp. 199-213. ISSN 1094-6136. (doi:https://doi.org/10.1007/s10951-012-0296-7) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Salhi, Said and Nagy, Gábor and Wade, Anne C. (2013) Solving the Mixed Backhauling Vehicle Routing: Problem with Ants. International Journal of Energy Optimization and Engineering, 2 (2). ISSN 2160-9500. (doi:https://doi.org/10.4018/ijeoe.2013040105) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Nagy, Gábor and Salhi, Said and Wassan, Niaz A. (2011) Modelling Vehicle Routing Problems with Deliveries and Pickups More Realistically. Lecture Notes in Management Science, 3 (NA). pp. 659-672. ISSN 2008-0050. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Imran, Arif and Salhi, Said and Wassan, Niaz A. (2009) A variable neighborhood-based heuristic for the heterogeneous fleet vehicle routing problem. European Journal of Operational Research, 197 (2). pp. 509-518. ISSN 0377-2217. (doi:https://doi.org/10.1016/j.ejor.2008.07.022) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Wassan, A. Hameed and Nagy, Gábor (2008) A reactive tabu search algorithm for the vehicle routing problem with simultaneous pickups and deliveries. Journal of Combinatorial Optimization, 15 (4). pp. 368-386. ISSN 1382-6905. (doi:https://doi.org/10.1007/s10878-007-9090-4) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Nagy, Gábor and Ahmadi, Samad (2008) A heuristic method for the vehicle routing problem with mixed deliveries and pickups. Journal of Scheduling, 11 (2). pp. 149-161. ISSN 1094-6136. (doi:https://doi.org/10.1007/s10951-008-0055-y) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. (2007) Reactive tabu adaptive memory programming search for the vehicle routing problem with backhauls. Journal of the Operational Research Society, 58 (12). pp. 1630-1641. ISSN 0160-5682. (doi:https://doi.org/10.1057/palgrave.jors.2602313) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Thron, Thomas and Nagy, Gábor and Wassan, Niaz A. (2007) Evaluating alternative supply chain structures for perishable products. International Journal of Logistics Management, 18 (3). pp. 364-384. ISSN 0957-4093. (doi:https://doi.org/10.1108/09574090710835110) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. (2006) A Reactive Tabu Search for the Vehicle Routing Problem. Journal of the Operational Research Society, 57 (1). pp. 111-116. ISSN 0160-5682. (doi:https://doi.org/10.1057/palgrave.jors.2601957) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Nagy, Gábor and Thron, Thomas and Wassan, Niaz A. (2006) The Impact of Various Levels of Collaborative Engagement on Global and Individual Supply Chain Performance. International Journal of Physical Distribution and Logistics Management, 36 (8). pp. 596-620. ISSN 0960-0035. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Osman, Ibrahim H. (2002) A Reactive Tabu Search for the Vehicle Routing Problem with Back-hauls. Journal of Scheduling, 5 (4). pp. 263-285. ISSN 1094-6136. (doi:https://doi.org/10.1002/jos.122) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Osman, Ibrahim H. (2002) Tabu Search Variants for the Mix Fleet Vehicle Routing Problem. Journal of the Operational Research Society, 53 (7). pp. 768-782. ISSN 0160-5682. (doi:https://doi.org/10.1057/palgrave.jors.2601344) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Monograph

Tran, Trung Hieu and Nagy, Gábor and Wassan, Niaz A. (2015) A Review of Models for the Alternative-Fuel Station Location Problem. Working paper. University of Kent (Full text available)

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Wassan, Niaz A. and Nagy, Gábor and Thron, Thomas (2013) Opportunities and threats arising from expanding collaboration within supply chain distribution frameworks of SME manufacturers. Working paper. University of Kent (Full text available)

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Wassan, Niaz A. and Nagy, Gábor (2013) A Reactive Tabu Search Meta-Heuristic for the Vehicle Routing Problem with Divisible Deliveries and Pickups. Working paper. University of Kent (Full text available)

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Wassan, Niaz A. and Nagy, Gábor (2013) The Vehicle Routing Problem with Deliveries and Pickups: Modelling Issues and Solution Approaches. Working paper. University of Kent (Full text available)

Wassan, Niaz A. and Wade, Anne C. and Salhi, Said and Nagy, Gábor An Ant System Heuristic for the Vehicle Routing Problem with Backhauls. Working paper. Kent Business School (Unpublished) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Imran, Arif and Salhi, Said The Fleet Mix Vehicle Routing Problem using Variable Neighbourhood Search and Multi Level Approach. Working paper. Elsevier (Submitted) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Conference or workshop item

Nagy, Gábor and Tran, Trung Hieu and Nguyen, Thu Ba and Wassan, Niaz A. (2017) Models and Heuristics for the Flow-Refuelling Location Problem. In: Proceedings of the 22nd International Symposium on Logistics (ISL 2017) Data Driven Supply Chains. Proceedings of the 22nd International Symposium on Logistics (ISL 2017) Data Driven Supply Chains. , Nottingham, UK pp. 105-113. ISBN 978-0-85358-319-6. (Full text available)

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Wassan, Niaz A. and Salhi, Said and Wassan, Naveed A. (2017) The Mixed Fleet Vehicle Routing Problem with overtime and light loads Formulation and Population Variable Neighbourhood search with Adaptive Memory. In: 7th International Conference on Science, Management, Engineering and Technology 2017 (ICSMET 2017), 10-11 Jul 2017, Phuket, Thailand. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Simeonova, Lina and Salhi, Said and Nagy, Gábor (2015) A Reactive Tabu Search for the Fleet Size and Mix Vehicle Routing Problem with Backhauls. In: Asian Specific Operational Research Societies (APORS) 10th Triennial Conference of the Association of Asia-Pacific Operational Research, 02-06 Aug 2015, Kuching, Sarawak, MALAYSIA. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Salhi, Said and Hajarat, Mutaz (2014) The Fleet Size and Mix Vehicle Routing Problem with Backhauls: Formulations and Set-partitioning based Heuristics. In: 20th Conference of the International Federation of Operational Research Societies (IFORS 2014)., 13-18 Jul 2014, Barcelona, Spain. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Salhi, Said and Imran, Arif (2013) A Variable Neighborhood Search meta-heuristic for the Multi-Depot Vehicle Routing Problem with Heterogeneous Fleet. In: 3rd Annual International Conference on Operations Research and Statistics (ORS 2013), 2013, Singapore. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Salhi, Said and Hajarat, H. (2012) Fleet Size and Mix Vehicle Routing Problem with Backhauls: A Set Partitioning based Heuristic. In: 2nd Annual International Conference on Operations Research and Statistics (ORS 2012), 2012, Bali, Indonesia. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Salhi, Said and Hajarat, Mutaz (2011) The Fleet Size and Mix Vehicle Routing Problem with Backhauls: A Tabu Search-Based Approach. In: The IX Metaheuristics International Conference (MIC 2011), 25-28 Jul 2011, Udine, Italy. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Salhi, Said and Hajarat, H. (2011) The Fleet Size and Mix Vehicle Routing Problem with Backhauls: A Tabu Search-Based Approach. In: The IX Metaheuristics International Conference, 2011, Italy. (Unpublished) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Salhi, Said and Imran, Arif (2009) A variable Neighbourhood Based Heuristic for the Heterogeneous Fleet Vehicle Routing Problem. In: European Journal of Operational Research. pp. 509-518. (Unpublished) (doi:https://doi.org/10.1016/j.ejor.2008.07.022) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Salhi, Said and Nagy, Gábor (2009) Solving the mixed VRP with backhauling using ants. In: AIP Conference Proceedings. 2nd Global Conference on Power Control and Optimization, PCO'2009, 1159. IOP Institute of Physics pp. 248-253. ISBN 978-0-7354-0696-4. (doi:https://doi.org/10.1063/1.3223937) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Nagy, Gábor (2009) Vehicle Routing Problem with Split Deliveries and Pickups. In: World Academy of Science and Technology, 2009, Bangkok, Thailand. (Unpublished) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Wassan, A. Hameed and Nagy, Gábor (2008) A Reactive Tabu Search Algorithm for the Vehicle Routing Problem with Simultaneous Deliveries and Pickups. In: International Conference on Decision Sciences and Technology, 2008, Ghaziabad, India. (Unpublished) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Nagy, Gábor and Thron, Thomas and Wassan, Niaz A. (2007) Diverse Allocation Strategies Within the Process of Distributing Scarce Products Amongst Traditional and Collaboratively Replenished Customers. In: Proceedings of international conference on industrial engineering and systems management. ISBN 978-7-89486-439-0. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Thron, Thomas and Nagy, Gábor (2007) The Influence of Assorted Preference Strategies to Allocate Scarce Products Amongst Traditionally and Collaboratively Replenished Customers. In: International Conference on Industrial Engineering and Systems Management 2007, May 30 - June 2, Beijing China. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Osman, Ibrahim H. (2007) A Reactive Tabu Search Meta-heuristic for the Routing Problem with Back-hauls. In: Operational Research Society, 2007, Edinburgh, United Kingdom. (Unpublished) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Nagy, Gábor (2006) A Tabu Search Algorithm for the Vehicle Routing Problem with Pickups and Deliveries. In: Proceedings of International Conference on Software, Knowledge, Informaiton Management and applications (SKIMA 2006). University of Bradford, School of Informatics pp. 185-187. ISBN 978-1-85143-241-7. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Nagy, Gábor and Thron, Thomas and Wassan, Niaz A. (2006) The Distinct Influence of Various CPFR Components on Overall Supply-Chain Performance. In: 4th International Industrial Simulation Conference, Palermo. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Thron, Thomas and Nagy, Gábor (2006) The Impact of Fill-rate Dependent Reordering Behaviour on Supply Chains under Varying Levels of Demand Transparency. In: International Conference on Information Systems, Logistics and Supply Chain. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Nagy, Gábor (2006) A Reactive Tabu Search Algorithm for the Vehicle Routing Problem with Simultaneous Pickups and Deliveries. In: Applied Optimization and Metaheuristic Innovations, Yalta, Ukraine. (Unpublished) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Nagy, Gábor and Thron, Thomas and Wassan, Niaz A. (2005) The Impact of Various Delivery Prioritization Strategies in Heterogeneous Supply Chain Environments. In: 3rd International Industrial Simulation Conference, Berlin, Germany. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Nagy, Gábor and Salhi, Said (2005) Local Improvement in Planner facility location using Vehicle Routing. In: International symposium on Locational Decisions, 2005, Spain. (Unpublished) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. (2005) Reactive Tabu Adaptive Memory Programming Search for the Vehicle routing problems with Backhauls. In: International Conference on Operations Research (OR) Applications in Infrastructure Development, 2005, Bangalore, India. (Unpublished) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. (2004) Reactive Tabu Adaptive Memory Programming Search for the Vehicle Routing Problem with Backhauls. In: 20th European Conference on Operational Research, 2004, Rhodes, Greece. (Unpublished) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Nagy, Gábor and Wassan, Niaz A. (2003) Improvement Algorithms and Estimation Methods for the Vehicle Routing Problems and its Variants. In: EURO-XIX, Istanbul. (Unpublished) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Nagy, Gábor (2003) Improvement Algorithms and Estimation Methods for the Vehicle Routing Problem and its Variants. In: EURO/INFORMS 2003, 2003, Istanbul, Turkey. (Unpublished) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Osman, Ibrahim H. (2002) A Reactive Tabu Search Meta-heuristic for the Vehicle Routing Problem with Back-hauls. In: European Chapter on Combinatorial Optimization (ECCO XV 2002), 2002, Lugano, Switzerland. (Unpublished) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Osman, Ibrahim H. (2000) A Reactive Tabu Search Meta-heuristic for the Routing Problem with Back-hauls. In: Operational Research Society (OR42), 2000, York, United Kingdom. (Unpublished) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

Wassan, Niaz A. and Osman, Ibrahim H. (1997) A Reactive Tabu Search Metaheuristic for the Mix Fleet Vehicle Routing Problem. In: Advances in Industrial Engineering Applications and Practice 1997, November 12-15, 1997, San Diego, California, USA. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)