INPE - Instituto Nacional de Pesquisas Espaciais
Luiz Antonio Nogueira LorenaSenior Researcher
LAC - Laboratorio Associado de Computacao e Matematica Aplicada
INPE - Instituto Nacional de Pesquisas Espaciais
e-mail: lorena@lac.inpe.br
Problem instances ::
      
      
-----------------------------------
      
      
P-Median 
(São José dos Campos)
-> Capacitated:
   SJC1.dat
      
         SJC2.dat
      
         SJC3a.dat
      
         SJC3b.dat
      
         SJC4a.dat
      
         SJC4b.dat
      
         p3038_1000.dat
      
    p3038_900.dat
      
    p3038_800.dat
      
    p3038_700.dat
      
    p3038_600.dat   
<- Euclidean distances 
                  
                 
        Format --> 1st line: # of
points 
                                                             
      # of medians 
                           
            Other
lines:  X Y  co-ordinates of points, 
                                                           
capacities and demands, 
  
   
      pmedcap.dat
          <-
Network distances 
                           
            Format -->
1st line:  # of points 
                                                                     
# of medians 
                           
            Other
lines:  capacities and demands. 
                           
            Other
lines:  network distances for each pair of points.
      
      
-> Non-capacitated:
   
      pmedian3282.txt
      
          pmedian818.txt
      
          pmedian324.txt
          <-
Euclidean distances 
                           
           
    Format --> 1st line:    # of
points 
                                                               
            # of medians 
                           
           
    Other
lines:  X Y  co-ordinates of points. 
  
For more p-median test problems:
-----------------------------------
      
      
Max-covering 
    SJC324.dat
      
    SJC402.dat
      
   
SJC500.dat 
    SJC708.dat
      
    SJC818.dat   
<-
Euclidean distances 
                           
    Format --> 1st line:     # of
vertices 
                                                                
9999 
                                                                
# of facilities 
                                                                
distance 
                           
    Other lines: X Y  co-ordinates of points. 
    demand-SJC324.dat
      
    demand-SJC402.dat
      
    demand-SJC500.dat
      
    demand-SJC708.dat
      
    demand-SJC818.dat   
<-
Corresponding demands 
                           
           
    Format --> each line: vertex demand. 
  
-----------------------------------
      
      
Linear Gate Assignment * 
W1.txt 
      W2.txt
      
      W3.txt
      
      W4.txt
      
      Wli.txt
      
      Wsn.txt
      
      X0.txt
      
      v4000.txt
      
      v4050.txt
      
      v4470.txt
      
      v4090.txt
      
Format ---> gates, nets (1st line) 
                 
columns (next lines) 
* Thanks to Alexandre Linhares
-----------------------------------
Map Labeling
 
  
25
      
      100
      
      250
      
      500
      
      750
      
      1000
      
Format --->     line 1 : # of points 
                               
line 2 : # of candidate positions (*) 
                               
line 3 : # of labels in potential conflict with label 1 (degree of
vertex
1) 
                               
line 4 : labels in potential conflict with label 1 
                               
line 5 : # of labels in potential conflict with label 2 (degree of
vertex
2) 
                               
line 6 : labels in potential conflict with label 2 
                               
...... 
(*)  # of
labels = line 1  *  line 2
      
      
For more Map
Labeling intances:
      
      
      
-------------------------------------
      
  
  Driver Scheduling
  
      
csp25
      csp50
      csp100
      csp250
      csp500
      
      
-------------------------------------
      
  
  Prize
Collecting Traveling Salesman Problem-1![]()
      
------------------------------------- 
Queueing Maximal Covering
Location-Allocation Problem
 
      
       
Format 
---> line 1 : # of points  
                            
covering distance
                  
other lines:   X Y  co-ordinates of
points
                                      
population
      
      -----------------------------------------
      
Capacitated Centered Clustering
      
Paper: Chaves, A.
A.. and Lorena, L. A. N.
           Clustering
Search Algorithm for the Capacitated Centered Clustering Problem
           Computers
& Operations Research , 2008![]()
      
      
      
------------------------------------
      
Related papers ---> 
      
Ribeiro,
G. M. and Lorena, L. A. N.
Heuristics
for cartographic label placement problems![]()
Computers and GeoSciences, v. 32, no. 6, pp. 739-748,
2006
Oliveira A. C.
M.  and Lorena, L. A. N.
Pattern
Sequencing Problems by Clustering Search
Jaime Simão Sichman, Helder Coelho and Solange Oliveira Rezende
(Eds.)
Springer Lecture
Notes in Artificial Intelligence Series vol. 4140, pp. 218 - 227, 2006![]()
doi: 10.1007/11874850_26
Biajoli, F. L. and Lorena, L. A. N.
Mirroed
Traveling Tournament Problem: An Evolutionary Approach
Jaime Simão Sichman, Helder Coelho and Solange Oliveira Rezende
(Eds.)
Springer Lecture Notes in Artificial
Intelligence
Series vol. 4140, pp. 208 - 217, 2006![]()
Ribeiro, G. M. and Lorena, L. A. N.
Optimizing the woodpulp stowage using Lagrangean relaxation with
clusters
Journal of the Operational Research Society, 2006![]()
doi:
10.1057/palgrave.jors.2602367
Ribeiro, G. M. and Lorena, L. A. N.
Lagrangean relaxation with clusters for point-feature cartographic
label placement problems
Computers and Operations Research, 2006![]()
doi:
10.1016/j.cor.2006.09.024
Cravo, G. L.; Ribeiro, G. M. and Lorena, L. A. N.
A
greedy randomized adaptive search procedure for the point-feature
cartographic label placement
Computers & GeoSciences, 2007
Mauri, G. R. and Lorena, L. A. N.
A
new hybrid heuristic for driver scheduling
International Journal of Hybrid Intelligent Systems, 2006![]()
Ribeiro, G. M. and Lorena, L. A. N.
Column Generation Approach for the Point-feature Cartographic Label
Placement Problem
Journal of Combinatorial Optimization, 2007![]()
doi:
10.1007/s10878-007-9073-5
Pereira, M. A.; Lorena, L. A. N. and Senne, E. L. F.
A
column generation approach for the maximal covering location problem
International Transactions in Operations Research, 2007
Oliveira A. C. M.  and Lorena, L. A. N.
Population
training heuristics
In "EvoCOP 2005"
Gottlieb, J. and Raidl, G. (Eds.)
Springer Lecture
Notes in Computer Science Series Vol. 3448, pp. 166-176, 2005![]()
Oliveira A. C. M.  and Lorena, L. A. N.
Detecting
promising areas by evolutionary clustering search ![]()
In Advances in Artificial Intelligence
Bazzan, A. L. C. and Labidi, S. (Eds.)
Springer Lecture Notes in Artificial
Intelligence Series vol. 3171, pp. 385-394,  2004
Senne. E.L.F. ; Lorena, L.A.N. and Pereira, M. A. 
A
branch-and-price approach to p-median location problems ![]()
Computers & Operations Research  32 (6):
1655-1664, 2005
Mauri, G. R. and Lorena, L. A. N.
Driver
Scheduling Generation Using a Population Training Algorithm
SBRN'04 -
Brazilian
Symposium in Neural Networks - Sao Luis - Maranhao - 29 Sept/01 Oct -
2004![]()
Pizzolato, N. D., Barcelos, F. B. and Lorena, L.
A.
N.
School
Location Methodology in Urban Areas of Developing Countries
International Transactions in Operational Research 11:
667 - 681, 
2004![]()
Chaves,
A. A. and Lorena, L. A.
Hybrid
algorithms with detection of promising areas for the prize collecting
travelling salesman problem
HIS'05 - Fifth international conference on hybrid intelligent systems -
Rio de Janeiro - November 6 - 9, 2005![]()
 Yamamoto,
M. and Lorena, L. A. N. 
      A
Constructive Genetic Approach to Point-Feature Cartographic Label
Placement 
      In ”Metaheuristics: Progress as Real Problem
Solvers”
      Ibaraki, T., Nonobe, K. and Yagiura, M.
(Eds.), 
Kluwer Academic Publishers, pages 285-300, 2005![]()
      
Yamamoto,
M. ; Camara, G. and Lorena, L. A. N. 
      Tabu
search heuristic for point-feature cartographic label placement.
      
      GeoInformatica 
An International Journal on Advances of Computer Science for Geographic
Information Systems 6 (1): 77-90, March 2002
 
Lorena,
L.A.N. and Senne, E. L. F. 
      A
Column Generation Approach to Capacitated p-median Problems 
      Computers & Operations Research 31 (6):
863-876,
2004
 
Senne.
E.L.F. and Lorena, L.A.N. 
      Stabilizing
column generation using Lagrangean/surrogate relaxation: an application
to p-median location problems. 
      EURO 2001 - THE EUROPEAN OPERATIONAL RESEARCH
CONFERENCE
- Erasmus University Rotterdam, July 9-11, 2001
 
Senne,
E. L. F. and Lorena, L. A. N. 
      Lagrangean/surrogate
heuristics for p-median problems. 
      In Computing
Tools for Modeling, Optimization and Simulation: Interfaces in Computer
Science and Operations Research, 
      M.
Laguna and J. L. Gonzalez-Velarde (eds.), Kluwer Academic Publishers,
pp. 115-130, 2000
 
Lorena,
L. A. N. and Senne, E. L. F. 
      Local
search heuristics for capacitated p-median problems 
      Networks and Spatial Economics 3: 409 -
419,  
2003
 
Lorena, L. A. N. and Pereira
M. A. 
      A
Lagrangean/surrogate heuristic for the maximal covering location
problem
using Hillsman's edition. 
      International Journal of
Industrial
Engineering 9(1),  57-67,  2002. 
 
Lorena,
L. A. N. ; Senne, E. L. F. ; Paiva, J. A. C.
e Pereira M. A. 
      Integracao
de modelos de localizacao a sistemas de informacoes geograficas.
      
      Gestao e Producao 8(2):180-195, 2001. 
 
Oliveira
A. C. M.  and Lorena, L. A. N. 
      A
Constructive Genetic Algorithm for Gate Matrix Layout Problems.
      
      IEEE Transactions  on Computer-Aided Design
of Integrated
Circuits and Systems. Vol. 21, no. 8, pp 969-974, 2002 
 
      
Oliveira
A. C. M.  and Lorena, L. A. N. 
      2-opt
population training for minimization of open stack problem ![]()
      In Advances in Artificial Intelligence, 
      Bittencourt, G. and G. L. Ramalho (Eds.) 
      Springer Lecture Notes in Artificial Intelligence
Series  vol. 2507, pp. 313-323 , 2002  
  
  
  
  
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