Distanced Perspectives: Aids,Anencephaly, and Ahp

US court decisions guaranteeing life-sustaining care to anencephalic infants have been viewed with disfavor, and sometimes disbelief, by some ethicists who do not believe in the necessity of life-sustaining support for those without cognitive abilities or an independently sustainable future. The distance between these two views – one legal and inclusive, the other medical and specific – seems unbridgeable. This paper reports on a program using multicriterion decision making to define and describe persons in a way which both acknowledges the differences perceived by many as well as those commonalities insisted on in U.S. court decisions. It does this through application of the Analytic Hierarchy Process to a hierarchy of humanness criteria, and secondarily through reference to that concept's subset, personhood.     

Order-Constrained Solutions in <Emphasis Type="Italic">K</Emphasis>-Means Clustering: Even Better Than Being Globally Optimal

This paper proposes an order-constrained K-means cluster analysis strategy, and implements that strategy through an auxiliary quadratic assignment optimization heuristic that identifies an initial object order. A subsequent dynamic programming recursion is applied to optimally subdivide the object set subject to the order constraint. We show that although the usual K-means sum-of-squared-error criterion is not guaranteed to be minimal, a true underlying cluster structure may be more accurately recovered. Also, substantive interpretability seems generally improved when constrained solutions are considered. We illustrate the procedure with several data sets from the literature.     

Ranking water resource projects and evaluating criteria by multicriterion Q-analysis: an Austrian case study

A multicriterion decision-making (MCDM) concept is applied not only to provide possible solutions for a hydroecological problem but also to shed light on the discriminating capabilities of criteria. The aim is to identify a subset of a given set of criteria used to seek a satisfactory solution among several possible water resource projects being designed for the Austrian part of the Danube between Vienna and the Slovakian border. In this section the Danube is still a free-flowing river and possesses a high ecological value. There are three conflicting interests relative to this particular area, namely economic, ecological and sociological interests. The so-called multicriterion Q-analysis (MCQA) technique is applied to generate more effective discussions between conflicting groups than there have been in the past. The most preferred alternatives from among 12 possible projects, including several different hydroelectric power stations and National Park plans, are to be identified. The MCQA procedure is implemented to analyse the water resource projects with emphasis on criterion evaluation. In order to facilitate ranking alternatives, criteria with discriminating power have to be defined. For this purpose a new concept, MCQA-III, is developed and shown to be a useful tool to distinguish between important and less important criteria. MCQA techniques are based on Q-analysis, which describes the geometrical structure of the relationship between two finite sets, here the set of projects and the set of criteria. By using MCQA-I, MCQA-II and MCQA-III, a ranking of both alternatives and criteria is obtained. The MCQA-III procedure is applied to find an order among criteria which should give us more information on their importance for ranking alternatives, leading to a possible reduction of the number of criteria. This aspect plays a central role for an institution which must base its decision on a small but highly informative set of criteria. © 1997 John Wiley & Sons, Ltd.