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- Jorge Cadima, J. Orestes Cerdeira, Manuel Minhoto
- Computational Statistics & Data Analysis
- 2004

Variable selection consists in identifying a k-subset of a set of original variables that is optimal for a given criterion of adequate approximation to the whole data set. Several algorithms for theâ€¦ (More)

- P. Barcia, Miguel N. Bugalho, Manuel Lameiras Campagnolo, J. Orestes Cerdeira
- Animal : an international journal of animalâ€¦
- 2007

N-alkanes are long-chain saturated hydrocarbons occurring in plant cuticles that can be used as chemical markers for estimating the diet composition of herbivores. An important constraint of usingâ€¦ (More)

- J. Orestes Cerdeira, Leonor Santiago Pinto
- J. Comb. Optim.
- 2005

Systematic conservation planning applications based solely on the presence/absence of a large number of species are not sufficient to guarantee their persistence in highly fragmented landscapes.â€¦ (More)

- Paulo BÃ¡rcia, J. Orestes Cerdeira
- Oper. Res. Lett.
- 2003

We give a compact formulation for the clique inequalities de-ning the fractional node packing polytope on cocomparability graphs. c Â© 2003 Elsevier B.V. All rights reserved. MSC: 05C69; 90C35

- Filipe S. Dias, Miguel N. Bugalho, J. Orestes Cerdeira, Maria JoÃ£o Martins
- Biodiversity and Conservation
- 2012

Over the last four decades the world has been losing biodiversity at an alarming rate despite the increasing number of protected areas (PAs). Certified forest management may complement the role ofâ€¦ (More)

- Raul BrÃ¡s, J. Orestes Cerdeira, Diogo Alagador, Miguel B. AraÃºjo
- Environmental Modelling and Software
- 2013

The establishment of linkages between habitats is of great importance to avert the detrimental impacts of land fragmentation and climate change on biodiversity. Linkages need to be cost-efficient,â€¦ (More)

- Domingos Moreira Cardoso, J. Orestes Cerdeira, Charles Delorme, Pedro C. Silva
- Discrete Applied Mathematics
- 2008

- J. Orestes Cerdeira
- Math. Program.
- 1994

A forest cover of a graph is a spanning forest for which each component has at least two nodes. If K is a subset of nodes, a K-forest cover is a forest cover including exactly one node from K in eachâ€¦ (More)

- Miguel N. Bugalho, Fernando B Dias, B. BriÃ±as, J. Orestes Cerdeira
- Agroforestry Systems
- 2015

Montados are silvo-pastoral systems, typical of the western Mediterranean Basin. When well managed, these ecosystems provide relevant ecosystem services and biodiversity conservation. In the northernâ€¦ (More)