Fuzzy set theory has emerged as a powerful tool to address the inherent imprecisions and uncertainties in financial modelling, notably in option pricing. By incorporating fuzziness into conventional ...

This paper presents a fuzzy system to assure the quality of volunteered geographic information (VGI) collected for the purposes of species surveillances. The system uses trust as a proxy of quality.

Set theory is a mathematical abstract concerned with the grouping of sets of numbers that have commonality. For example, all even numbers make up a set, and all odd numbers comprise a set. All numbers ...