This paper attempts to describe and clarify the meaning of the term Decision Support (DS). Based on a survey of DSrelated WWW documents, and taking a broad view of DS, a classification of DS and related disciplines is presented. DS is put in the context of Decision Making, and some most important disciplines of DS are overviewed: Operations Research, Decision Analysis, Decision Support Systems,...

Given a finite totally ordered set of linguistic terms, the operations intersection and connected union provide a lattice structure to the set of hesitant fuzzy linguistic term sets. In this framework, hesitant fuzzy linguistic descriptions of a given set of alternatives are considered. A distance between hesitant fuzzy linguistic descriptions is introduced based on the properties of the lattic...

As we saw in the previous lecture, solving this optimization recovers a linear classifier of the form y = sign(w ·h(x)+w0) that minimizes the hinge loss for all misclassified points and maximizes the size of the margin (the distance to the closest point to the decision boundary). The term “support vector” refers to the vectors from the decision boundary to the closest points. Note that moving a...

Consider a politician who has to take two sequential decisions during his term in office. For each decision, the politician faces a trade-off between taking what he believes to be the decision that generates a public benefit, thus increasing his chances of re-election, and taking the decision that increases his private gain but is likely to decrease his chances of re-election. In our results we...

Ecological systems often operate on time scales significantly longer or shorter than the time scales typical of human decision making, which causes substantial difficulty for conservation and management in socioecological systems. For example, invasive species may move faster than humans can diagnose problems and initiate solutions, and climate systems may exhibit long-term inertia and short-te...

This paper describes The MITRE Corporation Center for Advanced Aviation System Development (CAASD) research towards simulation of advanced aviation concepts. Research activities are aimed toward improving tactical and strategic decision making methods in the near and long term. We describe how CAASD simulation capabilities assist in determining how to achieve our goals for improving tactical an...

The aim of this paper is to present a consensus model for group decision making problems with unbalanced linguistic information, i.e., assuming that the preferences are assessed on linguistic term sets whose terms are not symmetrically and uniformly distributed. This consensus model is based on both a fuzzy linguistic methodology to deal with unbalanced linguistic term sets and consensus criter...

INTRODUCTION Decision making is impaired in hypoxic environments, which may have serious or even lethal consequences for mountaineers. An acclimatisation period prior to high altitude exposures may help to overcome adverse effects of hypoxia. Thus, we investigated possible effects of short-term pre-acclimatisation on decision making in hypoxia. METHODS In a randomized controlled study design,...

Decisions in digital preservation pose the delicate mission of balancing desired goals of authentic long-term access with the technical means available to date. Organisations with a commitment to the long-term value of information and knowledge have to take decisions on several levels to achieve their business goals with the evolving technology of the day. This article explores the decision spa...

Detection extrasystoles in heart rate sequences is investigated. Decision making is based on short-term specific random elements in random sequences recognition theory. Three types of extrasystoles are detected: extrasystoles with a noncompensatory post-extrasystolic pause, extrasystoles with a compensatory post-extrasystolic pause, and interpolated extrasystoles. The decision opens the possibi...