| 1. Identity statement | |
| Reference Type | Journal Article |
| Site | mtc-m16.sid.inpe.br |
| Holder Code | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S |
| Identifier | 6qtX3pFwXQZsFDuKxG/APgGz |
| Repository | sid.inpe.br/marciana/2004/01.19.11.14 (restricted access) |
| Last Update | 2004:07.15.03.00.00 (UTC) administrator |
| Metadata Repository | sid.inpe.br/marciana/2004/01.19.11.14.21 |
| Metadata Last Update | 2018:06.05.01.20.50 (UTC) administrator |
| Secondary Key | INPE-10796-PRE/6252 |
| ISBN/ISSN | 0305-0548 |
| ISSN | 0305-0548 |
| Citation Key | LorenaSenn:2004:CoGeAp |
| Title | A column generation approach to capacitated p-median problems  |
| Project | Otimização combinatória |
| Year | 2004 |
| Month | May |
| Access Date | 2024, Apr. 28 |
| Secondary Type | PRE PI |
| Number of Files | 1 |
| Size | 472 KiB |
| 2. Context | |
| Author | 1 Lorena, Luiz Antonio Nogueira 2 Senne, Edson Luiz França |
| Resume Identifier | 1 8JMKD3MGP5W/3C9JHMQ |
| Group | 1 LAC-INPE-MCT-BR |
| Affiliation | 1 Instituto Nacional de Pesquisas Espaciais, Laboratório Associado Computação e Matemática Aplicada (INPE.LAC) 2 Universidade Estadual Paulista, Faculdade Engenharia, Departamento de Matemática (UNESP.FEG) |
| Journal | Computers and Operations Research |
| Volume | 31 |
| Number | 6 |
| Pages | 863-876 |
| History (UTC) | 2005-06-13 13:01:53 :: jefferson -> administrator :: 2018-06-05 01:20:50 :: administrator -> marciana :: 2004 |
| 3. Content and structure | |
| Is the master or a copy? | is the master |
| Content Stage | completed |
| Transferable | 1 |
| Content Type | External Contribution |
| Keywords | COMPUTER SCIENCE Capacitated p-median problems Columns Lagrangian function Relaxation method (mathematics) Median (statistics) COMPUTAÇÃO APLICADA Problemas de capacitação da p-mediana Colunas Função lagrangeana Método de relaxação (matemática) Mediana (estatística) |
| Abstract | The Capacitated p-median problem (CPMP) seeks to solve the optimal location of p facilities, considering distances and capacities for the service to be given by each median. In this paper we present a column generation approach to CPMP. The identified restricted master problem optimizes the covering of 1-median clusters satisfying the capacity constraints, and new columns are generated considering knapsack subproblems. The Lagrangean/surrogate relaxation has been used recently to accelerate subgradient like methods. In this work the Lagrangean/surrogate relaxation is directly identified from the master problem dual and provides new bounds and new productive columns through a modified knapsack subproblem. The overall column generation process is accelerated, even when multiple pricing is observed. Computational tests are presented using instances taken from real data from São José dos Campos’ city. |
| Area | COMP |
| Arrangement | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > LABAC > A column generation... |
| doc Directory Content | access |
| source Directory Content | there are no files |
| agreement Directory Content | there are no files |
| 4. Conditions of access and use | |
| Language | en |
| Target File | lorena.pdf |
| User Group | administrator |
| Visibility | shown |
| Copy Holder | SID/SCD |
| Archiving Policy | denypublisher denyfinaldraft36 |
| Read Permission | deny from all and allow from 150.163 |
| 5. Allied materials | |
| Next Higher Units | 8JMKD3MGPCW/3ESGTTP |
| Dissemination | WEBSCI; PORTALCAPES. |
| Host Collection | sid.inpe.br/banon/2003/08.15.17.40 |
| 6. Notes | |
| Empty Fields | alternatejournal archivist callnumber copyright creatorhistory descriptionlevel documentstage doi e-mailaddress electronicmailaddress format isbn label lineage mark mirrorrepository nextedition notes orcid parameterlist parentrepositories previousedition previouslowerunit progress readergroup rightsholder schedulinginformation secondarydate secondarymark session shorttitle sponsor subject tertiarymark tertiarytype typeofwork url versiontype |
| 7. Description control | |
| e-Mail (login) | marciana |
| update | |