Search results for "Fuzzy"

A new fuzzy logic controller for trading on the stock market

2007

A common problem that financia l operators often meet in their own work is to make, at the right moment, the operational choices on the Stock Market. Once the Market to act on has been chosen, the financial operator has to decide when and how to operate on it, in order to achieve a profit . The problem that we are going to deal with is the planning of an automatic decisional system for the management of long positions on bull market. First, a trading system (TS) will be im plemented pointing its features out. Then a fuzzy logic implementation of the TS will be introduced (FTS). The fuzzy system will be optimized by the genetic algorithms. Finally, the two different implementations of the tr…

Precision and Uncertainty. Fuzzy Logic in Clinical Diagnosis

2007

Reti sociali, informazioni individuali. Una simulazione basata su agenti, metodologia fuzzy e Computing With Words

2013

La robustezza di una rete sociale dipende da caratteristiche intrinseche della sua topologia, ma l’origine di queste caratteristiche va ricercata nel compor- tamento dei singoli. In questo articolo illustriamo una simulazione basata su agenti per corroborare l'ipotesi che l’aumento della quantità di informazioni scambiate tra gli utenti di una rete sociale contribuisca allo sviluppo di una rete resiliente. In particolare presentiamo tre varianti del modello nelle quali ai singoli agenti vengono fornite informazioni progressivamente più consistenti relativamente ai legami esistenti, utilizzate al fine di stabilire nuovi col- legamenti. All'aumentare dell'informazione disponibile ai singoli u…

The Problem of Monotonicity and the Skeleton

2022

The premise p of a reasoning is usually a complex statement reflecting the information of departure and consisting in the conjunction of other statements, p = p1 · (p2 · (…(pn). Such p can be written without parenthesis provided conjunction is associative, and then with the possibility of placing the sub-indexes in any ordering if it is commutative; on the contrary neither parenthesis, nor ordering can be avoided.

Common Reasoning in a Computational Context

2022

In the field of Computation Science, ‘Commonsense Reasoning’ usually expresses the formalization of Logic systems in order to efficiently automate replication of human performances. This is done by employing methodologies from Computational Learning, and deals with the construction of information of both deductive and inductive nature. The process often happens in an ecologic, natural context (i.e., in the real world, not in an artificial laboratory setting), and in presence of incomplete and imprecise information.

Quasi-transitivity

2022

Seeing ordinary reasoning in the setting of the Poincaré continua by means of T-Indistinguishability Operators, opens a window towards the possibility of considering alternative types of transitivity. Let us concentrate on the so called quasi-transitive law.

Introduction

2022

In the intention of the authors, this booklet does not want to be a textbook; instead, it contains some reflections that aim to guide ‘Computing with Words and Percep- tions’, Zadeh’s final view on his Fuzzy Logic, towards its future as a new science of both Language and Reasoning. Towards an experimental and theoretical science concerning the Natural Phenomena of Language, Thinking and Reasoning, in rela- tionship with Neurosciences, whose possibilities are foreseen by the authors.

Conclusions for Part II

2022

Human beings are animals endowed with a great curiosity. They continuously ask themselves how things are, where they come from, and where they go to. Questioning is at the origins of reasoning; and possibly, without the capability of self-questioning and guessing, neither directed thinking, nor reasoning, will exist. Their existence makes them a matter of study.

Conclusions for Part I

2022

Thanks to thinking, memory, and language, human beings can dedicate a non-minor part of their time to tell, themselves or the others, events, descriptions, true or imagined histories, etc. Part of the human conversation consists in telling, and most of the times reasoning starts from the self-telling of something.

An Overview of the Fuzzy Calculi

2022

What has been discussed up to now allows us to assume that the roots of fuzzy sets are in Language and, thus, that Fuzzy Logic deals with both Language and Commonsense Reasoning. Fuzzy Logic’s main goal is the representation of statements whose meaning is not precise, but it can as well capture the case in which statements are precise.