A GENETIC ALGORITHM WITH RANDOM KEYS FOR ROUTING AND WAVELENGTH ASSIGNMENT (2009)
Abstract. The problem of routing and wavelength assignment (RWA) in wavelength division multiplexing (WDM) optical networks consists in routing a set of lightpaths and assigning a wavelength to each...
EFFICIENT IMPLEMENTATIONS OF HEURISTICS FOR ROUTING AND WAVELENGTH ASSIGNMENT (2008)
Abstract. The problem of Routing and Wavelength Assignment in Wavelength Division Multiplexing (WDM) optical networks consists in routing a set of lightpaths and assigning a wavelength to each of...
A RANDOM-KEYS GENETIC ALGORITHM FOR ROUTING AND WAVELENGTH ASSIGNMENT (2008)
ABSTRACT. We propose a simple, robust and efficient genetic algorithm for the problem of routing and wavelength assignment (RWA) in WDM optical networks. The algorithm extends the best heuristic in...
Management oriented mathematical modelling of Ria Formosa (South Portugal) (2007)
P. Duarte, B. Azevedo, C. Ribeiro, A. Pereira, M. Falcão, D. Serpa, ...
1 - Ria Formosa is a large (c.a. 100 km2) mesotidal lagoon system included in a Natural Park, with large intertidal areas and several uses such as fisheries, aquaculture, tourism and nature...
Coelho,A.M.M., Barbeiro,H.V., Lima,V.M.R., Soriano,F., Ribeiro,C., ...
Oxidative stress and hepatic mitochondria play a role in the pathogenesis of nonalcoholic fatty liver disease. The aim of the present study was to evaluate the role of hepatic mitochondrial...
TTTPLOTS: A perl program to create time-to-target plots (2006)
ABSTRACT. This papers describes a perl language program to create time-to-target solution value plots for measured CPU times that are assumed to fit a shifted exponential distribution. This is often...
An annotated bibliography of GRASP (2004)
Abstract. GRASP is a multi-start metaheuristic for combinatorial optimization problems, in which each iteration consists basically of two phases: construction and local search. The construction phase...
Overview of recent experimental results on MAST (2003)
Lloyd, B., Ahn, J. W., Akers, R. J., Appel, L. C., Arends, E. R., Axon, K. B., ...
The low aspect ratio of the mega amp spherical tokamak (MAST) allows differentiation between different forms of the H-mode threshold scaling. With optimized fuelling using inboard puffing, and a...
Valuing path dependent options in the variance-gamma model by Monte Carlo with a gamma bridge (2002)
Efeito da distribuição granulométrica na secagem de concretos refratários (2001)
Innocentini,M. D. M., Yamamoto,J., Ribeiro,C., Pileggi,R. G., Rizzi Jr.,A. C., Bittencourt,L. R. M., ...
Este trabalho teve como objetivo investigar o efeito da distribuição granulométrica sobre parâmetros de permeabilidade, porosidade aparente e secagem de concretos refratários de alta alumina....
New Benchmark Instances for the Steiner Problem in Graphs (2001)
Isabel Rosseti Marcus, Marcus Poggi, Aragão Celso, C. Ribeiro, Eduardo Uchoa, Renato F. Werneck
This paper proposes three new series of benchmark instances that will hopefully lead to a better assessment of exact and approximate algorithms for the SPG. Even though some of them are somewhat...
Hybrid Local Search for the Steiner Problem in Graphs (2001)
Celso C. Ribeiro, Marcus Poggi, Aragão Celso, C. Ribeiro, Eduardo Uchoa, ...
Introduction Let G =(V,E) be a connected undirected graph, where V is the set of nodes and E denotes the set of edges. Given a non-negative weight function w : E IR + associated with its edges and a...
Impact of software review and inspection (2000)
Aleksandrov, I., Amaral, V., Amorim, A., Badescu, E., Burckhart, D., Caprini, M., ...
The performance and scalability of the back-end DAQ sub-system (2000)
Aleksandrov, I., Amaral, V., Amorim, A., Badescu, E., Burckhart, D., Caprini, M., ...
Impact of software review and inspection (2000)
Aleksandrov, I., Amaral, V., Amorim, A., Badescu, E., Burckhart, D., Caprini, M., ...
The performance and scalability of the back-end DAQ sub-system (2000)
Aleksandrov, I., Amaral, V., Amorim, A., Badescu, E., Burckhart, D., Caprini, M., ...
Impact of software review and inspection (2000)
Aleksandrov, I., Amaral, V., Amorim, A., Badescu, E., Burckhart, D., Caprini, M., ...
Impact of software review and inspection (2000)
Aleksandrov, I., Amaral, V., Amorim, A., Badescu, E., Burckhart, D., Caprini, M., ...
Impact of software review and inspection (2000)
Aleksandrov, I., Amaral, V., Amorim, A., Badescu, E., Burckhart, D., Caprini, M., ...
Educação cívica: resultados preliminares de um estudo (2000)
Isabel Menezes, M. Mendes, C. Ferreira, G. Marques, C. Ribeiro, G. Amáro
Probability Distribution Of Solution Time In Grasp: An Experimental Investigation (2000)
Renata M. Aiex, Celso C. Ribeiro, C. Ribeiro
. A GRASP (greedy randomized adaptive search procedure) is a multi-start metaheuristic for combinatorial optimization. We study the probability distributions of solution time to a sub-optimal target...
Probability Distribution Of Solution Time In Grasp: An Experimental Investigation (2000)
Renata M. Aiex, Celso C. Ribeiro, C. Ribeiro
. A GRASP (greedy randomized adaptive search procedure) is a multi-start metaheuristic for combinatorial optimization. We study the probability distributions of solution time to a sub-optimal target...
Probability Distribution Of Solution Time In Grasp: An Experimental Investigation (2000)
Renata Aiex Mauricio, C. Ribeiro
. A GRASP (greedy randomized adaptive search procedure) is a multi-start metaheuristic for combinatorial optimization. We study the probability distributions of solution time to a sub-optimal target...
Reactive Tabu Search With Path Relinking For The Steiner Problem In Graphs (1999)
Marcelo P. Bastos, Celso C. Ribeiro, C. Ribeiro
. Given an undirected graph with weights associated with its edges, the Steiner tree problem consists in finding a minimum weight subgraph spanning a given subset of nodes (terminals) of the original...
Greedy Randomized Adaptive Search Procedures For The Steiner Problem In Graphs (1999)
Simone L. Martins, Panos M. Pardalos, Celso C. Ribeiro, C. Ribeiro
. We describe four versions of a Greedy Randomized Adaptive Search Procedure (GRASP) for finding approximate solutions of general instances of the Steiner Problem in Graphs. Di#erent construction and...
Greedy Randomized Adaptive Search Procedures For The Steiner Problem In Graphs (1999)
Simone L. Martins, Panos M. Pardalos, Celso C. Ribeiro, C. Ribeiro
. We describe four versions of a Greedy Randomized Adaptive Search Procedure (GRASP) for finding approximate solutions of general instances of the Steiner Problem in Graphs. Different construction...
TOPOL, E, CALIFF, R, DIAZ, R, PAOLASSO, E, AYLWARD, P, ...
Reactive GRASP: An Application To A Matrix Decomposition Problem In TDMA Traffic Assignment (1998)
Marcelo Prais, Celso C. Ribeiro, C. Ribeiro
. A greedy randomized adaptive search procedure (GRASP) is a metaheuristic for combinatorial optimization. In this paper, we describe a GRASP for a matrix decomposition problem arising in the context...
A Grasp For Graph Planarization (1997)
. A greedy randomized adaptive search procedure (GRASP) is a metaheuristic for combinatorial optimization. In this paper, we describe a GRASP for the graph planarization problem, extending the...
A Grasp For Graph Planarization (1997)
. A greedy randomized adaptive search procedure (GRASP) is a metaheuristic for combinatorial optimization. In this paper, we describe a GRASP for the graph planarization problem, extending the...
A Grasp For Graph Planarization (1997)
. A greedy randomized adaptive search procedure (GRASP) is a metaheuristic for combinatorial optimization. In this paper, we describe a GRASP for the graph planarization problem, extending the...
A greedy randomized adaptive search procedure for the quadratic assignment problem (1994)
Simone L. Martins, Panos M. Pardalos, C. Ribeiro
Abstract. We describe four versions of a Greedy Randomized Adaptive Search Procedure (GRASP) for finding approximate solutions of general instances of the Steiner Problem in Graphs. Di#erent...
Celso C. Ribeiro, Stella C. S, Porto Celso, C. Ribeiro
Parallel programs may be represented as a set of interrelated sequential tasks. When multiprocessors are used to execute such programs, the parallel portion of the application can be speeded up by an...
Rheumatic symptoms and signs in subacute infective endocarditis (1984)
Azevedo, J., Ribeiro, C., Loureiro, O., Cordeiro, A.
Two hundred patients (90 men and 110 women), mean age 36.2 years, admitted to a Department of Medicine, between 1961 and 1979 with subacute infective endocarditis (SIE) were studied. Rheumatic heart...
Antithyroid antibodies as an early marker for thyroid disease induced by amiodarone.
Monteiro, E, Galvão-teles, A, Santos, M L, Mourão, L, Correia, M J, Lopo Tuna, J, ...
Changes in thyroid function may occur during treatment with amiodarone. A double blind prospective trial of amiodarone and placebo was performed in 37 patients in the subacute phase of myocardial...
Antithyroid antibodies as an early marker for thyroid disease induced by amiodarone.
Monteiro, E, Galvão-teles, A, Santos, M L, Mourão, L, Correia, M J, Lopo Tuna, J, ...
Changes in thyroid function may occur during treatment with amiodarone. A double blind prospective trial of amiodarone and placebo was performed in 37 patients in the subacute phase of myocardial...