Search Results - "van Vuuren, Jan"

The power of ensemble learning in sentiment analysis by Kazmaier, Jacqueline, van Vuuren, Jan H.

“…An ensemble of models is a set of learning models whose individual predictions are combined in such a way that component models compensate for each other’s…”
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The effect of benchmark data characteristics during empirical strip packing heuristic performance evaluation by Rakotonirainy, Rosephine G., van Vuuren, Jan H.

“…In this paper, we consider the two-dimensional strip packing problem in which a fixed set of items has to be packed into a single object of unlimited height…”
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New and improved level heuristics for the rectangular strip packing and variable-sized bin packing problems by Ortmann, Frank G., Ntene, Nthabiseng, van Vuuren, Jan H.

“…We consider two types of orthogonal, oriented, rectangular, two-dimensional packing problems. The first is the strip packing problem, for which four new and…”
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Multi-objective evolutionary search strategies in constraint programming by Bennetto, Robert, van Vuuren, Jan

“…It has been shown that evolutionary algorithms are able to construct suitable search strategies for classes of Constraint Satisfaction Problems (CSPs) in…”
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A generic framework for sentiment analysis: Leveraging opinion-bearing data to inform decision making by Kazmaier, Jacqueline, van Vuuren, Jan H.

“…The increased exposure of the average citizen and customer to polarised content from various sources has been of significant consequence for companies and…”
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Simulation Modelling as a Decision Support in Developing a Sterile Insect-Inherited Sterility Release Strategy for Eldana saccharina (Lepidoptera: Pyralidae) by Potgieter, Linke, Vuuren, Jan H. Van, Conlong, Des E

“…A user-friendly simulation tool for determining the impact of the sterile insect technique/inherited sterility technique (SIT/IS) on populations of the African…”
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Evidence-based decision-making in supporting integrated local-level urban and climate change adaptation planning simultaneously: A simulation-optimisation approach by Van Heerden, Quintin, Van Vuuren, Jan

“…Sustainable development is at the heart of city planning, and urbanisation plays a central role in achieving the Sustainable Development Goals. Urbanisation,…”
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HETEROGENEOUS TRADING STRATEGY ENSEMBLING FOR INTRADAY TRADING ALGORITHMS by Koegelenberg, Coetzee, van Vuuren, Jan

“…Since the inception of algorithmic trading during the mid-1970s, considerable resources and time have been committed by the financial sector to the development…”
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A framework for modelling customer invoice payment predictions by Moore, Willem Roux, van Vuuren, Jan H.

“…By offering clients attractive credit terms on sales, a company may increase its turnover, but granting credit also incurs the cost of money tied up in…”
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A multi-dimensional spatial index for the quantification of food insecurity by Dawood, Fuzail, van Vuuren, Jan H.

“…Food insecurity is a multifaceted problem. It is, in fact, one of the most significant concerns of the 21st century. According to the United Nations, nearly…”
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FITNESS LANDSCAPE MEASURES FOR ANALYSING THE TOPOLOGY OF THE FEASIBLE REGION OF AN OPTIMISATION PROBLEM by van der Westhuyze, Nathan, van Vuuren, Jan

“…Fitness landscape analysis has found numerous applications in industrial engineering, such as estimating optimisation problem complexity, predicting…”
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A two-phased cluster-based approach towards ranked forecast-model selection by Ganzevoort, Reinard C., van Vuuren, Jan H.

“…Sales forecasting processes are usually automated to some extent in the retail sector and practitioners often have limited knowledge pertaining to the…”
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Edge stability in secure graph domination by Burger, Anton Pierre, Villiers, Alewyn Petrus, Vuuren, Jan Harm

“…Graph Theory A subset X of the vertex set of a graph G is a secure dominating set of G if X is a dominating set of G and if, for each vertex u not in X, there…”
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Edge Criticality in Graph Domination by van Vuuren, Jan H

“…A vertex subset D ⊆ V of a graph G = ( V , E ) is a dominating set of G if each vertex of G is a member of D or is adjacent to a member of D . The cardinality…”
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Robust multi-objective optimization for water distribution system design using a meta-metaheuristic by Raad, Darian, Sinske, Alexander, Van Vuuren, Jan

“…The design of an urban water distribution system (WDS) is a challenging problem involving multiple objectives. The goal of robust multi‐objective optimization…”
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Finding good nurse duty schedules: a case study by Bester, M J, Nieuwoudt, I, Van Vuuren, Jan H

“…Constructing duty schedules for nurses at large hospitals is a difficult problem. The objective is usually to ensure that there is always sufficient staff on…”
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SCHEDULING SEQUENCE-DEPENDENT COLOUR PRINTING JOBS by Schuurman, John, Van Vuuren, Jan H

“…A scheduling problem in the colour printing industry is considered in this paper. The problem is to find an optimal assignment of print jobs to each of a set…”
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Improved metaheuristics for the two-dimensional strip packing problem by Rakotonirainy, Rosephine G., van Vuuren, Jan H.

“…Given a fixed set of rectangular items and a single rectangular object of fixed width and unlimited height, the two-dimensional strip packing problem consists…”
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On the ratios between packing and domination parameters of a graph by Burger, Alewyn P., Henning, Michael A., van Vuuren, Jan H.

“…The relationship ρ L ( G ) ≤ ρ ( G ) ≤ γ ( G ) between the lower packing number ρ L ( G ) , the packing number ρ ( G ) and the domination number γ ( G ) of a…”
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A generic decision support framework for inventory procurement planning in distribution centres by Zietsman, H. Jurie, van Vuuren, Jan H.

“…The success of any business depends on how well it is able to satisfy customer demand, while remaining financially viable. Globalisation and the growth of…”
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