We introduce a new class of measures of scholarly influence, which we term step-based
indices. This class includes the prominent h-index, the publication count, and the i10-index …

Judgement aggregation is a model of social choice in which the space of social alternatives
is the set of consistent evaluations ('views') on a family of logically interconnected …

Group identification refers to the problem of classifying individuals into groups (eg, racial or
ethnic classification). We consider a multinary group identification model where …

This book provides a comprehensive study of fuzzy social choice theory. Human thinking is
marked by imprecision and vagueness. These are the very qualities that fuzzy logic seeks to …

The possibility of domain restrictions that allow the consistent use of majority-based
aggregators for rankings of objects has been widely explored. This paper extends this …

The chapter gives an overview of selected topics from the theory of group identification. As a
starting point serve different axiomatic characterizations of the “libera” rule for group …

Suppose that a group of individuals must classify objects into three or more categories, and
does so by aggregating the individual classifications. We show that if the classifications, both …

We introduce an ordinal model of efficiency measurement. Our primitive is a notion of
efficiency that is comparative, but not cardinal or absolute. In this framework, we postulate …

We present a model of information aggregation in which agents' information is represented
through partitions over states of the world. We discuss three axioms, meet separability …

Clustering ensemble has become a very popular technique in the past few years due to its
potentialities for improving the clustering results. Roughly speaking it consists in the …