author_facet Mladenović, Nenad
Alkandari, Abdulaziz
Pei, Jun
Todosijević, Raca
Pardalos, Panos M.
Mladenović, Nenad
Alkandari, Abdulaziz
Pei, Jun
Todosijević, Raca
Pardalos, Panos M.
author Mladenović, Nenad
Alkandari, Abdulaziz
Pei, Jun
Todosijević, Raca
Pardalos, Panos M.
spellingShingle Mladenović, Nenad
Alkandari, Abdulaziz
Pei, Jun
Todosijević, Raca
Pardalos, Panos M.
International Transactions in Operational Research
Less is more approach: basic variable neighborhood search for the obnoxious p‐median problem
Management of Technology and Innovation
Management Science and Operations Research
Strategy and Management
Computer Science Applications
Business and International Management
author_sort mladenović, nenad
spelling Mladenović, Nenad Alkandari, Abdulaziz Pei, Jun Todosijević, Raca Pardalos, Panos M. 0969-6016 1475-3995 Wiley Management of Technology and Innovation Management Science and Operations Research Strategy and Management Computer Science Applications Business and International Management http://dx.doi.org/10.1111/itor.12646 <jats:title>Abstract</jats:title><jats:p>The goal of the <jats:italic>less is more</jats:italic> approach (LIMA) for solving optimization problems that has recently been proposed in Mladenović et al. (2016) is to find the minimum number of search ingredients that make a heuristic more efficient than the currently best. In this paper, LIMA is successfully applied to solve the obnoxious <jats:italic>p</jats:italic>‐median problem (OpMP). More precisely, we developed a basic variable neighborhood search for solving the OpMP, where the single search ingredient, the <jats:italic>interchange</jats:italic> neighborhood structure, is used. We also propose a new simple local search strategy for solving facility location problems, within the interchange neighborhood structure, which is in between the usual ones: <jats:italic>first improvement</jats:italic> and <jats:italic>best improvement</jats:italic> strategies. We call it <jats:italic>facility best improvement</jats:italic> local search. On the basis of experiments, it appeared to be more efficient and effective than both <jats:italic>first</jats:italic> and <jats:italic>best improvement</jats:italic>. According to the results obtained on the benchmark instances, our heuristic turns out to be highly competitive with the existing ones, establishing new state‐of‐the‐art results. For example, four new best‐known solutions and 133 ties are claimed in testing the set with 144 instances.</jats:p> Less is more approach: basic variable neighborhood search for the obnoxious <i>p</i>‐median problem International Transactions in Operational Research
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title Less is more approach: basic variable neighborhood search for the obnoxious p‐median problem
title_unstemmed Less is more approach: basic variable neighborhood search for the obnoxious p‐median problem
title_full Less is more approach: basic variable neighborhood search for the obnoxious p‐median problem
title_fullStr Less is more approach: basic variable neighborhood search for the obnoxious p‐median problem
title_full_unstemmed Less is more approach: basic variable neighborhood search for the obnoxious p‐median problem
title_short Less is more approach: basic variable neighborhood search for the obnoxious p‐median problem
title_sort less is more approach: basic variable neighborhood search for the obnoxious <i>p</i>‐median problem
topic Management of Technology and Innovation
Management Science and Operations Research
Strategy and Management
Computer Science Applications
Business and International Management
url http://dx.doi.org/10.1111/itor.12646
publishDate 2020
physical 480-493
description <jats:title>Abstract</jats:title><jats:p>The goal of the <jats:italic>less is more</jats:italic> approach (LIMA) for solving optimization problems that has recently been proposed in Mladenović et al. (2016) is to find the minimum number of search ingredients that make a heuristic more efficient than the currently best. In this paper, LIMA is successfully applied to solve the obnoxious <jats:italic>p</jats:italic>‐median problem (OpMP). More precisely, we developed a basic variable neighborhood search for solving the OpMP, where the single search ingredient, the <jats:italic>interchange</jats:italic> neighborhood structure, is used. We also propose a new simple local search strategy for solving facility location problems, within the interchange neighborhood structure, which is in between the usual ones: <jats:italic>first improvement</jats:italic> and <jats:italic>best improvement</jats:italic> strategies. We call it <jats:italic>facility best improvement</jats:italic> local search. On the basis of experiments, it appeared to be more efficient and effective than both <jats:italic>first</jats:italic> and <jats:italic>best improvement</jats:italic>. According to the results obtained on the benchmark instances, our heuristic turns out to be highly competitive with the existing ones, establishing new state‐of‐the‐art results. For example, four new best‐known solutions and 133 ties are claimed in testing the set with 144 instances.</jats:p>
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author Mladenović, Nenad, Alkandari, Abdulaziz, Pei, Jun, Todosijević, Raca, Pardalos, Panos M.
author_facet Mladenović, Nenad, Alkandari, Abdulaziz, Pei, Jun, Todosijević, Raca, Pardalos, Panos M., Mladenović, Nenad, Alkandari, Abdulaziz, Pei, Jun, Todosijević, Raca, Pardalos, Panos M.
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description <jats:title>Abstract</jats:title><jats:p>The goal of the <jats:italic>less is more</jats:italic> approach (LIMA) for solving optimization problems that has recently been proposed in Mladenović et al. (2016) is to find the minimum number of search ingredients that make a heuristic more efficient than the currently best. In this paper, LIMA is successfully applied to solve the obnoxious <jats:italic>p</jats:italic>‐median problem (OpMP). More precisely, we developed a basic variable neighborhood search for solving the OpMP, where the single search ingredient, the <jats:italic>interchange</jats:italic> neighborhood structure, is used. We also propose a new simple local search strategy for solving facility location problems, within the interchange neighborhood structure, which is in between the usual ones: <jats:italic>first improvement</jats:italic> and <jats:italic>best improvement</jats:italic> strategies. We call it <jats:italic>facility best improvement</jats:italic> local search. On the basis of experiments, it appeared to be more efficient and effective than both <jats:italic>first</jats:italic> and <jats:italic>best improvement</jats:italic>. According to the results obtained on the benchmark instances, our heuristic turns out to be highly competitive with the existing ones, establishing new state‐of‐the‐art results. For example, four new best‐known solutions and 133 ties are claimed in testing the set with 144 instances.</jats:p>
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spelling Mladenović, Nenad Alkandari, Abdulaziz Pei, Jun Todosijević, Raca Pardalos, Panos M. 0969-6016 1475-3995 Wiley Management of Technology and Innovation Management Science and Operations Research Strategy and Management Computer Science Applications Business and International Management http://dx.doi.org/10.1111/itor.12646 <jats:title>Abstract</jats:title><jats:p>The goal of the <jats:italic>less is more</jats:italic> approach (LIMA) for solving optimization problems that has recently been proposed in Mladenović et al. (2016) is to find the minimum number of search ingredients that make a heuristic more efficient than the currently best. In this paper, LIMA is successfully applied to solve the obnoxious <jats:italic>p</jats:italic>‐median problem (OpMP). More precisely, we developed a basic variable neighborhood search for solving the OpMP, where the single search ingredient, the <jats:italic>interchange</jats:italic> neighborhood structure, is used. We also propose a new simple local search strategy for solving facility location problems, within the interchange neighborhood structure, which is in between the usual ones: <jats:italic>first improvement</jats:italic> and <jats:italic>best improvement</jats:italic> strategies. We call it <jats:italic>facility best improvement</jats:italic> local search. On the basis of experiments, it appeared to be more efficient and effective than both <jats:italic>first</jats:italic> and <jats:italic>best improvement</jats:italic>. According to the results obtained on the benchmark instances, our heuristic turns out to be highly competitive with the existing ones, establishing new state‐of‐the‐art results. For example, four new best‐known solutions and 133 ties are claimed in testing the set with 144 instances.</jats:p> Less is more approach: basic variable neighborhood search for the obnoxious <i>p</i>‐median problem International Transactions in Operational Research
spellingShingle Mladenović, Nenad, Alkandari, Abdulaziz, Pei, Jun, Todosijević, Raca, Pardalos, Panos M., International Transactions in Operational Research, Less is more approach: basic variable neighborhood search for the obnoxious p‐median problem, Management of Technology and Innovation, Management Science and Operations Research, Strategy and Management, Computer Science Applications, Business and International Management
title Less is more approach: basic variable neighborhood search for the obnoxious p‐median problem
title_full Less is more approach: basic variable neighborhood search for the obnoxious p‐median problem
title_fullStr Less is more approach: basic variable neighborhood search for the obnoxious p‐median problem
title_full_unstemmed Less is more approach: basic variable neighborhood search for the obnoxious p‐median problem
title_short Less is more approach: basic variable neighborhood search for the obnoxious p‐median problem
title_sort less is more approach: basic variable neighborhood search for the obnoxious <i>p</i>‐median problem
title_unstemmed Less is more approach: basic variable neighborhood search for the obnoxious p‐median problem
topic Management of Technology and Innovation, Management Science and Operations Research, Strategy and Management, Computer Science Applications, Business and International Management
url http://dx.doi.org/10.1111/itor.12646