Dépouillements

Applications of simulation within the healthcare context / Katsaliaki, K. in Journal of the operational research society (JORS), Vol. 62 N° 8 (Août 2011) 

Public ISBD [article]  in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1431–1451 Titre : Applications of simulation within the healthcare context Type de document : texte imprimé Auteurs : Katsaliaki, K., Auteur ; Mustafee, N., Auteur Année de publication : 2011 Article en page(s) : pp. 1431–1451 Note générale : Recherche opérationnelle Langues : Anglais (eng) Mots-clés : Simulation  OR  in  health  Research  issues  Research  trends Index. décimale : 001.424 Résumé : A large number of studies have applied simulation to a multitude of issues relating to healthcare. These studies have been published in a number of unrelated publishing outlets, which may hamper the widespread reference and use of such resources. In this paper, we analyse existing research in healthcare simulation in order to categorise and synthesise it in a meaningful manner. Hence, the aim of this paper is to conduct a review of the literature pertaining to simulation research within healthcare in order to ascertain its current development. A review of approximately 250 high-quality journal papers published between 1970 and 2007 on healthcare-related simulation research was conducted. The results present a classification of the healthcare publications according to the simulation techniques they employ; the impact of published literature in healthcare simulation; a report on demonstration and implementation of the studies’ results; the sources of funding; and the software used. Healthcare planners and researchers will benefit from this study by having ready access to an indicative article collection of simulation techniques applied to healthcare problems that are clustered under meaningful headings. This study facilitates the understanding of the potential of different simulation techniques in solving diverse healthcare problems. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors201020a.html [article] Applications of simulation within the healthcare context [texte imprimé] / Katsaliaki, K., Auteur ; Mustafee, N., Auteur . - 2011 . - pp. 1431–1451. Recherche opérationnelle Langues : Anglais (eng) in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1431–1451 Mots-clés : Simulation  OR  in  health  Research  issues  Research  trends Index. décimale : 001.424 Résumé : A large number of studies have applied simulation to a multitude of issues relating to healthcare. These studies have been published in a number of unrelated publishing outlets, which may hamper the widespread reference and use of such resources. In this paper, we analyse existing research in healthcare simulation in order to categorise and synthesise it in a meaningful manner. Hence, the aim of this paper is to conduct a review of the literature pertaining to simulation research within healthcare in order to ascertain its current development. A review of approximately 250 high-quality journal papers published between 1970 and 2007 on healthcare-related simulation research was conducted. The results present a classification of the healthcare publications according to the simulation techniques they employ; the impact of published literature in healthcare simulation; a report on demonstration and implementation of the studies’ results; the sources of funding; and the software used. Healthcare planners and researchers will benefit from this study by having ready access to an indicative article collection of simulation techniques applied to healthcare problems that are clustered under meaningful headings. This study facilitates the understanding of the potential of different simulation techniques in solving diverse healthcare problems. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors201020a.html

The development of management sciences/operational research discourses: surveying the trends in the US and the UK / Paucar-Caceres, A. in Journal of the operational research society (JORS), Vol. 62 N° 8 (Août 2011) 

Public ISBD [article]  in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1452–1470 Titre : The development of management sciences/operational research discourses: surveying the trends in the US and the UK Type de document : texte imprimé Auteurs : Paucar-Caceres, A., Auteur Année de publication : 2011 Article en page(s) : pp. 1452–1470 Note générale : Recherche opérationnelle Langues : Anglais (eng) Mots-clés : Systems  thinking  Soft  OR  Problem  structuring  methods  History  of  OR  Management  sciences  methodologies  Philosophy  of  OR Index. décimale : 001.424 Résumé : This paper explores the trends in American and British management science/operational research (MS/OR) during the last 25 years. We argue that British MS/OR has developed a soft and systemic approach to MS/OR practice, which has resulted in the emergence of a number of interpretive and critical-oriented methodologies. American MS/OR practice has remained closed to the positivistic discourse. Using a set of keywords and authors’ names associated with the main features of the interpretive and critical MS discourses, we surveyed articles published in three major US MS/OR journals. We compare these results with trends in the UK MS/OR scene. Findings appear to confirm the different directions taken by the MS/OR practice across the Atlantic. The paper posits possible reasons underpinning these differences: firstly, the particular methodological path followed by the British MS/OR, from early ‘soft systems’ applications in the early 1970s to the now well-established ‘Problem Structuring Methods’; and secondly, continuous engagement between the systems and MS/OR British communities (a dialogue that seems not to have occurred in the US). The paper contributes to a reflection on the MS/OR historical developments and contrasts these developments in both countries, two areas of OR significantly under-researched. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors2010109a.html [article] The development of management sciences/operational research discourses: surveying the trends in the US and the UK [texte imprimé] / Paucar-Caceres, A., Auteur . - 2011 . - pp. 1452–1470. Recherche opérationnelle Langues : Anglais (eng) in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1452–1470 Mots-clés : Systems  thinking  Soft  OR  Problem  structuring  methods  History  of  OR  Management  sciences  methodologies  Philosophy  of  OR Index. décimale : 001.424 Résumé : This paper explores the trends in American and British management science/operational research (MS/OR) during the last 25 years. We argue that British MS/OR has developed a soft and systemic approach to MS/OR practice, which has resulted in the emergence of a number of interpretive and critical-oriented methodologies. American MS/OR practice has remained closed to the positivistic discourse. Using a set of keywords and authors’ names associated with the main features of the interpretive and critical MS discourses, we surveyed articles published in three major US MS/OR journals. We compare these results with trends in the UK MS/OR scene. Findings appear to confirm the different directions taken by the MS/OR practice across the Atlantic. The paper posits possible reasons underpinning these differences: firstly, the particular methodological path followed by the British MS/OR, from early ‘soft systems’ applications in the early 1970s to the now well-established ‘Problem Structuring Methods’; and secondly, continuous engagement between the systems and MS/OR British communities (a dialogue that seems not to have occurred in the US). The paper contributes to a reflection on the MS/OR historical developments and contrasts these developments in both countries, two areas of OR significantly under-researched. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors2010109a.html

Design of a recovery network for WEEE collection: the case of Galicia, Spain / Mar-Ortiz, J. in Journal of the operational research society (JORS), Vol. 62 N° 8 (Août 2011) 

Public ISBD [article]  in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1471–1484 Titre : Design of a recovery network for WEEE collection: the case of Galicia, Spain Type de document : texte imprimé Auteurs : Mar-Ortiz, J., Auteur ; Adenso-Diaz, B., Auteur ; González-Velarde, J. L., Auteur Année de publication : 2011 Article en page(s) : pp. 1471–1484 Note générale : Recherche opérationnelle Langues : Anglais (eng) Mots-clés : Reverse  logistics  Location  Vehicle  routeing  Simulation  Heuristics  Optimization Index. décimale : 001.424 Résumé : This research aims to optimize the design of the reverse logistic network for the collection of Waste of Electric and Electronic Equipment (WEEE), in the Spanish region of Galicia. As a basis for our study a three-phase hierarchical approach is proposed. In the first phase a facility location problem is formulated and solved by means of a mixed integer linear programming; in the second phase a new integer programming formulation for the corresponding heterogeneous fleet vehicle routing problem is presented, and a savings-based heuristic algorithm is developed to efficiently solve the related collection routing problems; in the third phase a simulation study is performed on the collection routes in order to assess the overall performance of the recovery system. The results show a good performance of the proposed procedure, and an improved configuration of the recovery network compared to the one currently in use (particularly transportation costs are reduced by 29.2%). DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors2010114a.html [article] Design of a recovery network for WEEE collection: the case of Galicia, Spain [texte imprimé] / Mar-Ortiz, J., Auteur ; Adenso-Diaz, B., Auteur ; González-Velarde, J. L., Auteur . - 2011 . - pp. 1471–1484. Recherche opérationnelle Langues : Anglais (eng) in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1471–1484 Mots-clés : Reverse  logistics  Location  Vehicle  routeing  Simulation  Heuristics  Optimization Index. décimale : 001.424 Résumé : This research aims to optimize the design of the reverse logistic network for the collection of Waste of Electric and Electronic Equipment (WEEE), in the Spanish region of Galicia. As a basis for our study a three-phase hierarchical approach is proposed. In the first phase a facility location problem is formulated and solved by means of a mixed integer linear programming; in the second phase a new integer programming formulation for the corresponding heterogeneous fleet vehicle routing problem is presented, and a savings-based heuristic algorithm is developed to efficiently solve the related collection routing problems; in the third phase a simulation study is performed on the collection routes in order to assess the overall performance of the recovery system. The results show a good performance of the proposed procedure, and an improved configuration of the recovery network compared to the one currently in use (particularly transportation costs are reduced by 29.2%). DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors2010114a.html

Modelling personnel sustainability / Filinkov, A. in Journal of the operational research society (JORS), Vol. 62 N° 8 (Août 2011) 

Public ISBD [article]  in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1485–1497 Titre : Modelling personnel sustainability : a tool for military force structure analysis Type de document : texte imprimé Auteurs : Filinkov, A., Auteur ; Richmond, M., Auteur ; Nicholson, R., Auteur Année de publication : 2011 Article en page(s) : pp. 1485–1497 Note générale : Recherche opérationnelle Langues : Anglais (eng) Mots-clés : OR  in  military  Strategic  analysis  tool  Decision  support  Sustainability  Analysis  of  force  structures  and  deployment  options Index. décimale : 001.424 Résumé : This paper describes the mathematical formulations that have underpinned the development of a strategic-level, personnel sustainability planning tool for the Australian Army. The tool considers personnel sustainability in terms of the dynamics of progression through career profiles and the requirements of the force to meet operational capability demands. It assists in analysing the ability of a force structure (current or future) to meet forecast operational deployments, providing insights into: likely problem areas with regard to sustainability, the effect of changing personnel policies, resource/cost implications and force expansion issues. Utilised in shorter-term planning, the tool allows for rapid force options testing and, in longer-term planning, for detailed sustainability analysis of proposed future force structures. The paper focuses on the basic construction of the model and its mathematical underpinnings, while giving insights into its utility and to how it has been applied. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors201085a.html [article] Modelling personnel sustainability : a tool for military force structure analysis [texte imprimé] / Filinkov, A., Auteur ; Richmond, M., Auteur ; Nicholson, R., Auteur . - 2011 . - pp. 1485–1497. Recherche opérationnelle Langues : Anglais (eng) in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1485–1497 Mots-clés : OR  in  military  Strategic  analysis  tool  Decision  support  Sustainability  Analysis  of  force  structures  and  deployment  options Index. décimale : 001.424 Résumé : This paper describes the mathematical formulations that have underpinned the development of a strategic-level, personnel sustainability planning tool for the Australian Army. The tool considers personnel sustainability in terms of the dynamics of progression through career profiles and the requirements of the force to meet operational capability demands. It assists in analysing the ability of a force structure (current or future) to meet forecast operational deployments, providing insights into: likely problem areas with regard to sustainability, the effect of changing personnel policies, resource/cost implications and force expansion issues. Utilised in shorter-term planning, the tool allows for rapid force options testing and, in longer-term planning, for detailed sustainability analysis of proposed future force structures. The paper focuses on the basic construction of the model and its mathematical underpinnings, while giving insights into its utility and to how it has been applied. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors201085a.html

Equipment selection with heterogeneous fleets for multiple-period schedulesstar / Burt, C. in Journal of the operational research society (JORS), Vol. 62 N° 8 (Août 2011) 

Public ISBD [article]  in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1498–1509 Titre : Equipment selection with heterogeneous fleets for multiple-period schedulesstar Type de document : texte imprimé Auteurs : Burt, C., Auteur ; Caccetta, L., Auteur ; Welgama, P., Auteur Année de publication : 2011 Article en page(s) : pp. 1498–1509 Note générale : Recherche opérationnelle Langues : Anglais (eng) Mots-clés : OR  in  natural  resources  Integer  programming  Surface  mining  Equipment  selection Index. décimale : 001.424 Résumé : In a simple surface mining scenario we consider a mine to have one mining location and dumpsite connected by a truck route. We determine a purchase and salvage policy for trucks and loaders, which minimises the cost of materials handling over a multiple period schedule. This problem becomes large scale when we consider large sets of equipment and long schedules. Pre-existing equipment can lead to heterogeneous fleets; non-uniformity in the operating cost function coupled with compatibility issues also adds to the complexity of the problem. We present an integer programme for this problem, where we introduce a specialised linear constraint set to ensure satisfaction of production requirements while accounting for equipment compatibility. Many aspects of the presented model, such as the consideration of multiple periods and pre-existing equipment, are novel for the mining industry and ensure that the model is both a new and advanced equipment selection tool. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors2010107a.html [article] Equipment selection with heterogeneous fleets for multiple-period schedulesstar [texte imprimé] / Burt, C., Auteur ; Caccetta, L., Auteur ; Welgama, P., Auteur . - 2011 . - pp. 1498–1509. Recherche opérationnelle Langues : Anglais (eng) in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1498–1509 Mots-clés : OR  in  natural  resources  Integer  programming  Surface  mining  Equipment  selection Index. décimale : 001.424 Résumé : In a simple surface mining scenario we consider a mine to have one mining location and dumpsite connected by a truck route. We determine a purchase and salvage policy for trucks and loaders, which minimises the cost of materials handling over a multiple period schedule. This problem becomes large scale when we consider large sets of equipment and long schedules. Pre-existing equipment can lead to heterogeneous fleets; non-uniformity in the operating cost function coupled with compatibility issues also adds to the complexity of the problem. We present an integer programme for this problem, where we introduce a specialised linear constraint set to ensure satisfaction of production requirements while accounting for equipment compatibility. Many aspects of the presented model, such as the consideration of multiple periods and pre-existing equipment, are novel for the mining industry and ensure that the model is both a new and advanced equipment selection tool. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors2010107a.html

A simulation-based approach for fleet design in a technician dispatch problem with stochastic demand / Cortés, C. E. in Journal of the operational research society (JORS), Vol. 62 N° 8 (Août 2011) 

Public ISBD [article]  in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1510–1523 Titre : A simulation-based approach for fleet design in a technician dispatch problem with stochastic demand Type de document : texte imprimé Auteurs : Cortés, C. E., Auteur ; Gendreau, M., Auteur ; Leng, D., Auteur Année de publication : 2011 Article en page(s) : pp. 1510–1523 Note générale : Recherche opérationnelle Langues : Anglais (eng) Mots-clés : Fleet  design  Simulation  Dispatch  of  technicians  Quality  of  service Index. décimale : 001.424 Résumé : We address the problem of developing policies for selecting the proper number of technicians to hire (fleet size) for an on-call repair service operating over a yearly planning horizon in an environment where the number of requests to be serviced each day can vary significantly from day to day and on a seasonal basis. We propose a new approach based on the simulation of a large number of sampled weekly instances and the application of a previously developed optimization procedure for the daily dispatch of technicians. The sampled instances are derived from an extensive statistical analysis of demand data with respect to several key parameters. The results of the simulations are utilized to adjust performance curves in function of fleet size that are then used in an economic analysis of the trade-offs between service quality and cost. Efficient policies for fleet design are then deducted from this analysis. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors201098a.html [article] A simulation-based approach for fleet design in a technician dispatch problem with stochastic demand [texte imprimé] / Cortés, C. E., Auteur ; Gendreau, M., Auteur ; Leng, D., Auteur . - 2011 . - pp. 1510–1523. Recherche opérationnelle Langues : Anglais (eng) in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1510–1523 Mots-clés : Fleet  design  Simulation  Dispatch  of  technicians  Quality  of  service Index. décimale : 001.424 Résumé : We address the problem of developing policies for selecting the proper number of technicians to hire (fleet size) for an on-call repair service operating over a yearly planning horizon in an environment where the number of requests to be serviced each day can vary significantly from day to day and on a seasonal basis. We propose a new approach based on the simulation of a large number of sampled weekly instances and the application of a previously developed optimization procedure for the daily dispatch of technicians. The sampled instances are derived from an extensive statistical analysis of demand data with respect to several key parameters. The results of the simulations are utilized to adjust performance curves in function of fleet size that are then used in an economic analysis of the trade-offs between service quality and cost. Efficient policies for fleet design are then deducted from this analysis. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors201098a.html

A multiple objective goal programming approach to the truckload routing problem / Miori, V. M. in Journal of the operational research society (JORS), Vol. 62 N° 8 (Août 2011) 

Public ISBD [article]  in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1524–1532 Titre : A multiple objective goal programming approach to the truckload routing problem Type de document : texte imprimé Auteurs : Miori, V. M., Auteur Année de publication : 2011 Article en page(s) : pp. 1524–1532 Note générale : Recherche opérationnelle Langues : Anglais (eng) Mots-clés : Multi-objective  Goal  programming  Vehicle  routing  Triplet Index. décimale : 001.424 Résumé : Truckload (TL) routing has always been a challenge. The TL routing problem (TRP) itself is hard, but the complexity of solving the problem increases due to the stochastic nature of TL demand. It is traditionally approached using single objective solution methodologies that range from linear programming to dynamic programming techniques. This paper presents a deterministic multiple objective formulation of the TRP. A ‘route algebra’ is developed to facilitate the solution procedure, paving the way for the use of goal programming and tabu search techniques. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors201091a.html [article] A multiple objective goal programming approach to the truckload routing problem [texte imprimé] / Miori, V. M., Auteur . - 2011 . - pp. 1524–1532. Recherche opérationnelle Langues : Anglais (eng) in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1524–1532 Mots-clés : Multi-objective  Goal  programming  Vehicle  routing  Triplet Index. décimale : 001.424 Résumé : Truckload (TL) routing has always been a challenge. The TL routing problem (TRP) itself is hard, but the complexity of solving the problem increases due to the stochastic nature of TL demand. It is traditionally approached using single objective solution methodologies that range from linear programming to dynamic programming techniques. This paper presents a deterministic multiple objective formulation of the TRP. A ‘route algebra’ is developed to facilitate the solution procedure, paving the way for the use of goal programming and tabu search techniques. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors201091a.html

Brand value in horizontal alliances: the case of twin-cars / Esteban-Bravo, M. in Journal of the operational research society (JORS), Vol. 62 N° 8 (Août 2011) 

Public ISBD [article]  in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1533–1542 Titre : Brand value in horizontal alliances: the case of twin-cars Type de document : texte imprimé Auteurs : Esteban-Bravo, M., Auteur ; Lado, N., Auteur Année de publication : 2011 Article en page(s) : pp. 1533–1542 Note générale : Recherche opérationnelle Langues : Anglais (eng) Mots-clés : Brand  value  Price  premia  Revenue  premia  Automobile  market  Marketing Index. décimale : 001.424 Résumé : Rival firms often cooperate horizontally in order to share risks and achieve scale advantages in production or in their research and development projects. The output of these strategic alliances is usually sold by the individual ally company under its own brand and using its own marketing mix strategies. Marketing strategies create a cumulative effect that is reflected in brand value. Although horizontal alliances often have a significant overall impact on firm profitability, undesired brand value dilution is a worrisome possibility for the partners and therefore a relevant subject of study. In this paper, we consider brand value to be the economic added value of a brand, and propose two market-based measures of brand value: (1) price premia (which are relevant for a unit sale) and (2) revenue premia (which also account for the premia in sales volume). We apply this analysis to the Spanish market for new automobiles, in which successful and long-lasting horizontal alliances have formed. Our findings suggest that, during the introduction stage of the product life cycle, horizontal allies did not charge different price premia, but that horizontal allies profit from differences in brand reputation obtained from demand side effects such as revenue premia (specifically, the impact on sales volume). Consequently, horizontal cooperation among brands does not dilute their value at the introduction stage. Furthermore, our results suggest that horizontal allies do charge different price premia during the growth stage of the product life cycle. Consequently, horizontal allies have recognized strategies that do not dilute brand value in intense competition mitigating the brand value diluting risk. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors2010112a.html [article] Brand value in horizontal alliances: the case of twin-cars [texte imprimé] / Esteban-Bravo, M., Auteur ; Lado, N., Auteur . - 2011 . - pp. 1533–1542. Recherche opérationnelle Langues : Anglais (eng) in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1533–1542 Mots-clés : Brand  value  Price  premia  Revenue  premia  Automobile  market  Marketing Index. décimale : 001.424 Résumé : Rival firms often cooperate horizontally in order to share risks and achieve scale advantages in production or in their research and development projects. The output of these strategic alliances is usually sold by the individual ally company under its own brand and using its own marketing mix strategies. Marketing strategies create a cumulative effect that is reflected in brand value. Although horizontal alliances often have a significant overall impact on firm profitability, undesired brand value dilution is a worrisome possibility for the partners and therefore a relevant subject of study. In this paper, we consider brand value to be the economic added value of a brand, and propose two market-based measures of brand value: (1) price premia (which are relevant for a unit sale) and (2) revenue premia (which also account for the premia in sales volume). We apply this analysis to the Spanish market for new automobiles, in which successful and long-lasting horizontal alliances have formed. Our findings suggest that, during the introduction stage of the product life cycle, horizontal allies did not charge different price premia, but that horizontal allies profit from differences in brand reputation obtained from demand side effects such as revenue premia (specifically, the impact on sales volume). Consequently, horizontal cooperation among brands does not dilute their value at the introduction stage. Furthermore, our results suggest that horizontal allies do charge different price premia during the growth stage of the product life cycle. Consequently, horizontal allies have recognized strategies that do not dilute brand value in intense competition mitigating the brand value diluting risk. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors2010112a.html

Boundary critique and its implications for conflict prevention / Midgley, G. in Journal of the operational research society (JORS), Vol. 62 N° 8 (Août 2011) 

Public ISBD [article]  in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1543–1554 Titre : Boundary critique and its implications for conflict prevention Type de document : texte imprimé Auteurs : Midgley, G., Auteur ; Pinzón, L. A., Auteur Année de publication : 2011 Article en page(s) : pp. 1543–1554 Note générale : Recherche opérationnelle Langues : Anglais (eng) Mots-clés : Boundary  critique  Conflict  analysis  Conflict  prevention  Critical  systems  thinking  Problem  structuring  methods  Systemic  intervention Index. décimale : 001.424 Résumé : This paper reviews developments in the theory of boundary critique, which has been used in a number of OR projects to support conflict resolution. The authors argue that this theory (and associated models) is also useful for conflict prevention. It indicates the need to support people in discussing their differences before conflict arises. Potential conflicts can be reframed through dialogue focusing on values, and participative governance can institutionalise fair processes for making decisions in the absence of consensus. Some of the boundary critique models also support people in recognising and countering the systemic conditions that enable stereotyping, stigmatisation and the victimisation of minorities. The paper ends by presenting a new model that was originally developed to inform mediation practice, but also has implications for conflict prevention. This helps explain how different interpretations of a common concern arise, and suggests ways to improve mutual understanding between people and/or reframe the common concern in order to defuse a potential conflict. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors201076a.html [article] Boundary critique and its implications for conflict prevention [texte imprimé] / Midgley, G., Auteur ; Pinzón, L. A., Auteur . - 2011 . - pp. 1543–1554. Recherche opérationnelle Langues : Anglais (eng) in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1543–1554 Mots-clés : Boundary  critique  Conflict  analysis  Conflict  prevention  Critical  systems  thinking  Problem  structuring  methods  Systemic  intervention Index. décimale : 001.424 Résumé : This paper reviews developments in the theory of boundary critique, which has been used in a number of OR projects to support conflict resolution. The authors argue that this theory (and associated models) is also useful for conflict prevention. It indicates the need to support people in discussing their differences before conflict arises. Potential conflicts can be reframed through dialogue focusing on values, and participative governance can institutionalise fair processes for making decisions in the absence of consensus. Some of the boundary critique models also support people in recognising and countering the systemic conditions that enable stereotyping, stigmatisation and the victimisation of minorities. The paper ends by presenting a new model that was originally developed to inform mediation practice, but also has implications for conflict prevention. This helps explain how different interpretations of a common concern arise, and suggests ways to improve mutual understanding between people and/or reframe the common concern in order to defuse a potential conflict. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors201076a.html

Scheduling a single machine with multiple job processing ability to minimize makespan / X. Wang in Journal of the operational research society (JORS), Vol. 62 N° 8 (Août 2011) 

Public ISBD [article]  in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1555–1565 Titre : Scheduling a single machine with multiple job processing ability to minimize makespan Type de document : texte imprimé Auteurs : X. Wang, Auteur ; Tang, L., Auteur Année de publication : 2011 Article en page(s) : pp. 1555–1565 Note générale : Recherche opérationnelle Langues : Anglais (eng) Mots-clés : Single  machine  scheduling  Multiple  job  processing  ability  Makespan  Particle  swarm  optimization Index. décimale : 001.424 Résumé : This paper investigates a new problem, called single machine scheduling with multiple job processing ability, which is derived from the production of the continuous walking beaming reheating furnace in iron and steel industry. In this problem, there is no batch and the jobs enter and leave the machine one by one and continuously, which is different from general single machine batch scheduling problem where the jobs in a batch share the same start and departure time. Therefore, the start time and the departure time of a job depend on not only the job sequence but also the machine capacity. This problem is also different from the single semi-continuous batching machine scheduling recently studied in the literature, where the jobs are processed in batch mode and a new batch cannot be started for processing until the processing of the previous batch is completed though jobs in the same batch enter and leave the machine one by one. The objective of this problem is to minimize the makespan. We formulate this problem as a mixed integer linear programming model and propose a particle swarm optimization (PSO) algorithm for this problem. Computational results on randomly generated instances show that the proposed PSO algorithm is effective. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors201088a.html [article] Scheduling a single machine with multiple job processing ability to minimize makespan [texte imprimé] / X. Wang, Auteur ; Tang, L., Auteur . - 2011 . - pp. 1555–1565. Recherche opérationnelle Langues : Anglais (eng) in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1555–1565 Mots-clés : Single  machine  scheduling  Multiple  job  processing  ability  Makespan  Particle  swarm  optimization Index. décimale : 001.424 Résumé : This paper investigates a new problem, called single machine scheduling with multiple job processing ability, which is derived from the production of the continuous walking beaming reheating furnace in iron and steel industry. In this problem, there is no batch and the jobs enter and leave the machine one by one and continuously, which is different from general single machine batch scheduling problem where the jobs in a batch share the same start and departure time. Therefore, the start time and the departure time of a job depend on not only the job sequence but also the machine capacity. This problem is also different from the single semi-continuous batching machine scheduling recently studied in the literature, where the jobs are processed in batch mode and a new batch cannot be started for processing until the processing of the previous batch is completed though jobs in the same batch enter and leave the machine one by one. The objective of this problem is to minimize the makespan. We formulate this problem as a mixed integer linear programming model and propose a particle swarm optimization (PSO) algorithm for this problem. Computational results on randomly generated instances show that the proposed PSO algorithm is effective. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors201088a.html

Incentive mechanism to control customer buy-down behaviour / Sri Vanamalla, V. in Journal of the operational research society (JORS), Vol. 62 N° 8 (Août 2011) 

Public ISBD [article]  in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1566–1573 Titre : Incentive mechanism to control customer buy-down behaviour Type de document : texte imprimé Auteurs : Sri Vanamalla, V., Auteur ; Parthasarathy, R., Auteur Année de publication : 2011 Article en page(s) : pp. 1566–1573 Note générale : Recherche opérationnelle Langues : Anglais (eng) Mots-clés : Buy-down  control  Revenue  management  Mechanism Index. décimale : 001.424 Résumé : Airlines have successfully practiced revenue management over the past four decades and enhanced their revenue. Most of the traditional models that are applied assume that customers buying a high-fare class ticket will not purchase a low-fare class ticket even if it is available. This is not a very realistic assumption and has led to revenue leakage due to customers exhibiting buy-down behaviour. This paper aims at devising a suitable incentive mechanism that would incite the customer to reveal his nature. This helps in reducing revenue leakage. We show that the proposed incentive mechanism is profitable to both the buyer and seller and hence ensures the buyers participation in the mechanism. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors201057a.html [article] Incentive mechanism to control customer buy-down behaviour [texte imprimé] / Sri Vanamalla, V., Auteur ; Parthasarathy, R., Auteur . - 2011 . - pp. 1566–1573. Recherche opérationnelle Langues : Anglais (eng) in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1566–1573 Mots-clés : Buy-down  control  Revenue  management  Mechanism Index. décimale : 001.424 Résumé : Airlines have successfully practiced revenue management over the past four decades and enhanced their revenue. Most of the traditional models that are applied assume that customers buying a high-fare class ticket will not purchase a low-fare class ticket even if it is available. This is not a very realistic assumption and has led to revenue leakage due to customers exhibiting buy-down behaviour. This paper aims at devising a suitable incentive mechanism that would incite the customer to reveal his nature. This helps in reducing revenue leakage. We show that the proposed incentive mechanism is profitable to both the buyer and seller and hence ensures the buyers participation in the mechanism. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors201057a.html

Determining extreme capability requirements using orthogonal arrays / Asiedu, Y. in Journal of the operational research society (JORS), Vol. 62 N° 8 (Août 2011) 

Public ISBD [article]  in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1574–1584 Titre : Determining extreme capability requirements using orthogonal arrays : an empirical study Type de document : texte imprimé Auteurs : Asiedu, Y., Auteur Année de publication : 2011 Article en page(s) : pp. 1574–1584 Note générale : Recherche opérationnelle Langues : Anglais (eng) Mots-clés : Capability  based  planning  Defence  studies  Experimental  design  Sequencing Index. décimale : 001.424 Résumé : The basis of defence planning has, in the past few years, shifted from large single conventional wars to that of preparation for concurrent operations in multiple theatres. Planners often assume that future operations would have staggered starts. This assumption makes the sequence in which the operations are executed consequential with respect to the levels of capabilities needed to meet requirements. Often, the most demanding sequence is determined by conducting a complete enumeration of all possible sequencing of the planning scenarios. The most stringent capability requirement so determined is then used for planning. This paper provides results of a simulation study that shows that it is possible to get a requirement specification that is adequate for over 92% of all future possibilities, using considerably fewer sequences based on orthogonal arrays (56 instead of 40 320 sequences in the case of eight planning scenarios). It also shows that, contrary to popular perception, staggering the starts of the operations does not necessarily lead to reduced requirements. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors2010117a.html [article] Determining extreme capability requirements using orthogonal arrays : an empirical study [texte imprimé] / Asiedu, Y., Auteur . - 2011 . - pp. 1574–1584. Recherche opérationnelle Langues : Anglais (eng) in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1574–1584 Mots-clés : Capability  based  planning  Defence  studies  Experimental  design  Sequencing Index. décimale : 001.424 Résumé : The basis of defence planning has, in the past few years, shifted from large single conventional wars to that of preparation for concurrent operations in multiple theatres. Planners often assume that future operations would have staggered starts. This assumption makes the sequence in which the operations are executed consequential with respect to the levels of capabilities needed to meet requirements. Often, the most demanding sequence is determined by conducting a complete enumeration of all possible sequencing of the planning scenarios. The most stringent capability requirement so determined is then used for planning. This paper provides results of a simulation study that shows that it is possible to get a requirement specification that is adequate for over 92% of all future possibilities, using considerably fewer sequences based on orthogonal arrays (56 instead of 40 320 sequences in the case of eight planning scenarios). It also shows that, contrary to popular perception, staggering the starts of the operations does not necessarily lead to reduced requirements. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors2010117a.html

A new approach for weight derivation using data envelopment analysis in the analytic hierarchy process / Mirhedayatian, S. M. in Journal of the operational research society (JORS), Vol. 62 N° 8 (Août 2011) 

Public ISBD [article]  in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1585–1595 Titre : A new approach for weight derivation using data envelopment analysis in the analytic hierarchy process Type de document : texte imprimé Auteurs : Mirhedayatian, S. M., Auteur ; Farzipoor Saen, R., Auteur Année de publication : 2011 Article en page(s) : pp. 1585–1595 Note générale : Recherche opérationnelle Langues : Anglais (eng) Mots-clés : Data  envelopment  analysis  Analytic  hierarchy  process  DEAHP  Rank  reversal Index. décimale : 001.424 Résumé : Recently, some researches have been carried out in the context of using data envelopment analysis (DEA) models to generate local weights of alternatives from pairwise comparison matrices used in the analytic hierarchy process (AHP). One of these models is the DEAHP. The main drawback of the DEAHP is that it generates counter-intuitive priority vectors for inconsistent pairwise comparison matrices. To overcome the drawbacks of the DEAHP, this paper proposes a new procedure entitled Revised DEAHP, and it will be shown that this procedure generates logical weights that are consistent with the decision maker's judgements and is sensitive to changes in data of the pairwise comparison matrices. Through a numerical example, it will be shown that the Revised DEAHP not only produces correct weights for inconsistent matrices but also does not suffer from rank reversal when an irrelevant alternative is added or removed. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors2010105a.html [article] A new approach for weight derivation using data envelopment analysis in the analytic hierarchy process [texte imprimé] / Mirhedayatian, S. M., Auteur ; Farzipoor Saen, R., Auteur . - 2011 . - pp. 1585–1595. Recherche opérationnelle Langues : Anglais (eng) in Journal of the operational research society (JORS) > Vol. 62 N° 8 (Août 2011) . - pp. 1585–1595 Mots-clés : Data  envelopment  analysis  Analytic  hierarchy  process  DEAHP  Rank  reversal Index. décimale : 001.424 Résumé : Recently, some researches have been carried out in the context of using data envelopment analysis (DEA) models to generate local weights of alternatives from pairwise comparison matrices used in the analytic hierarchy process (AHP). One of these models is the DEAHP. The main drawback of the DEAHP is that it generates counter-intuitive priority vectors for inconsistent pairwise comparison matrices. To overcome the drawbacks of the DEAHP, this paper proposes a new procedure entitled Revised DEAHP, and it will be shown that this procedure generates logical weights that are consistent with the decision maker's judgements and is sensitive to changes in data of the pairwise comparison matrices. Through a numerical example, it will be shown that the Revised DEAHP not only produces correct weights for inconsistent matrices but also does not suffer from rank reversal when an irrelevant alternative is added or removed. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v62/n8/abs/jors2010105a.html

Exemplaires

Bibliothèque Ecole Nationale Polytechnique d'Alger

Accueil

Se connecter

Météo

Adresse