A standard approach to the combination of probabilistic opinions involves taking a weighted
linear average of the individuals distributions. This paper reviews some of the possible …

Ignorance and Uncertainty overviews a variety of approaches to the problem of
indeterminacies in human thought and behavior. This book examines, in depth, trends in the …

In epistemology and the philosophy of science, there has been an increasing interest in the
social aspects of belief acquisition. In particular, there has been a focus on the division of …

This paper addresses the problem of aggregating a number of expert opinions which have
been expressed in some numerical form in order to reflect individual uncertainty vis-a-vis a …

Consensus, as traditionally meant to be a full and unanimous agreement, is often not
reachable in practice. A degree of consensus for indicating how far a particular group of …

Explanations of opinion bi-polarization hinge on the assumption of negative influence,
individuals' striving to amplify differences to disliked others. However, empirical evidence for …

TItis book is the joint project of a philosopher, Lehrer, and a mathematician, Wagner. The
book is, therefore, divided into a first part written by Lehrer, which is primarily philosophical …

Consensus theory is adopted as a means of classifying geographic data from multiple
sources. The foundations and usefulness of different consensus theoretic methods are …

I propose a mechanism of norm formation and maintenance that combines classical theory
in social psychology on attitudes and social comparisons with a formal network theory of …

Judgment aggregation is a mathematical theory of collective decision-making. It concerns
the methods whereby individual opinions about logically interconnected issues of interest …