Matrixes of Weighing and Catastrophes

Matrixes of Weighing and Catastrophes

José G.Hernández R. (Universidad Metropolitana, Venezuela), María J.García G. (Minimax Consultores C. A., Venezuela) and Gilberto J.Hernández G. (Minimax Consultores C. A., Venezuela)
Copyright: © 2011 |Pages: 15
DOI: 10.4018/jdst.2011010102


An easy to apply multi-criteria technique is the Matrixes Of Weighing (MOW), but many of the professionals that use it, in their respective fields, do it in intuitive fashion. In this regard, applications are rarely reported in specialized literature, which explains how few references exist about them. One of the application areas for MOW is the handling of catastrophes, in particular the pre-catastrophe and post-catastrophe phases where a series of problems are usually handled which solution leads to a choice, which could be done by using multi-criteria techniques.The objective of this investigation is to present the MOW with multiplicative factors, and showing their application in the pre-catastrophe phase, when choosing possible shelters and in the post-catastrophe phase, by aiding to hierarchies which infrastructures to be recovered after a catastrophe.
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Pre And Post Catastrophe

In this work, following Noji (1997) catastrophes will be defined as the result of an important ecological rupture of the relation between human beings and their environment, by sudden severe event (like an earthquake) or slow (like a drought) of such magnitude that the struck community will need extraordinary efforts to face it, often with external aid or international support.

The terms catastrophe and disaster, in this work, would be used as synonyms, and unless it is necessary, catastrophe will be used in general, without clarifying if they are caused by man or by nature.

Although there are other focuses (Cutter, 2003; Hsu, Wu, & Lin, 2005) a generally accepted scheme is to divide the catastrophes, whether they are of natural origin or caused by man, in three great phases: The pre-catastrophe, the catastrophe itself and the post-catastrophe.

Models, including mathematical models have been used to explain the catastrophes (Makowski, 2009; Yahaya, Ahmad, & Abdalla, 2010; Zhou et al., 2009) and to give support before, during or after them (Frysinger et al., 2007) and many of these models have been integrated to decision support systems (DSS) Hernández & García, (in press). Even though support systems to decision making could be of great use during a catastrophe (Borysiewicz, Potempski, & Galkowski, 2001; Gadomski et al., 2001; Mendonça, Beroggi, & Wallace, 2001; Sanders & Tabuchi, 2000) there is also a considerable value for them in the pre-catastrophe phase, when no event that caused an important rapture has occurred, but the population is preparing for such event, especially those that had been determined as possible shelter, as in the post-catastrophe phase, when the event has already occurred and the goal is to recover, at least, the life conditions that existed before the catastrophe.

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