scholarly journals On Conditional Tsallis Entropy

Entropy ◽  
2021 ◽  
Vol 23 (11) ◽  
pp. 1427
Author(s):  
Andreia Teixeira ◽  
André Souto ◽  
Luís Antunes
Keyword(s):  
Shannon Entropy ◽  
Probability Distributions ◽  
Tsallis Entropy ◽  
Online Tool ◽  
Standard Definition ◽  
Definition Of

There is no generally accepted definition for conditional Tsallis entropy. The standard definition of (unconditional) Tsallis entropy depends on a parameter α that converges to the Shannon entropy as α approaches 1. In this paper, we describe three proposed definitions of conditional Tsallis entropy suggested in the literature—their properties are studied and their values, as a function of α, are compared. We also consider another natural proposal for conditional Tsallis entropy and compare it with the existing ones. Lastly, we present an online tool to compute the four conditional Tsallis entropies, given the probability distributions and the value of the parameter α.

A practical metric for melanopic metrology

2019 ◽  
Vol 51 (8) ◽  
pp. 1178-1191 ◽  
Author(s):  
SM Berman ◽  
RD Clear
Keyword(s):  
Ganglion Cell ◽  
Retinal Ganglion Cell ◽  
Vision Research ◽  
Spectral Response ◽  
Retinal Ganglion ◽  
Standard Definition ◽  
Standard Unit ◽  
Vision Science ◽  
The Past ◽  
Definition Of

Over the past decade, there has been a growing interest in lighting research on the effects of the recently discovered melanopsin receptor (also referred to as the intrinsically photosensitive retinal ganglion cell) and its impacts on health and vision. Presently, there is not a generally accepted metrology for dealing with the spectral response of the melanopsin receptor as applied to both lighting and vision research. A proposition to handle this issue from a vision science perspective has been presented in 2014 in the journal Trends in Neurosciences and from a more lighting perspective in 2017 in Lighting Research and Technology. These propositions are complex, and do not retain the CIE standard definition of a lumen. In this paper, we propose an approach based on effective watts and melanopic/photopic ratios that is both simpler and more closely aligned with CIE standard unit definitions. In addition, we include some practical examples of how such ratios are accessible now, and can be used for both lighting and vision research as well as applications.

The Humdrum Use of Ultimate Authority: Defining and Analysing Chapter VII Resolutions

2009 ◽  
Vol 78 (3) ◽  
pp. 309-342 ◽  
Author(s):  
Patrik Johansson
Keyword(s):  
Cold War ◽  
United Nations ◽  
Security Council ◽  
Security Council Resolution ◽  
Post Cold War ◽  
Standard Definition ◽  
The Status ◽  
Definition Of ◽  
The Cold War ◽  
Business As Usual

AbstractUnder Chapter VII of the Charter of the United Nations, the Security Council has the unique authority to make decisions that are binding on member states. However, the lack of a standard definition of what makes a Security Council resolution "a Chapter VII resolution" has caused disagreement regarding the status of several resolutions. This is unfortunate as the international community should never have to doubt whether a Security Council resolution is in fact adopted under Chapter VII or not. It is also unnecessary. This article addresses this problem by proposing a definition of Chapter VII resolutions, based on two criteria referred to as "Article 39 determinations" and "Chapter VII decisions". On the basis of the proposed definition, the article describes and analyses a dramatic increase in the use of Chapter VII during the post-Cold War era. It concludes that as Chapter VII has come to constitute the majority of Security Council resolutions in recent years, the resort to Chapter VII no longer signifies exceptional determination and resolve, which it did during the Cold War; instead Chapter VII today implies business as usual. An appendix lists all Chapter VII resolutions from 1946–2008.

scholarly journals BeTrust: A Dynamic Trust Model Based on Bayesian Inference and Tsallis Entropy for Medical Sensor Networks

2014 ◽  
Vol 2014 ◽  
pp. 1-10 ◽  
Author(s):  
Yan Gao ◽  
Wenfen Liu
Keyword(s):  
Bayesian Inference ◽  
Sensor Networks ◽  
Rapid Development ◽  
Trust Model ◽  
Tsallis Entropy ◽  
Single Node ◽  
Trust Mechanism ◽  
Trust Value ◽  
Medical Sensor Networks ◽  
Definition Of

With the rapid development and application of medical sensor networks, the security has become a big challenge to be resolved. Trust mechanism as a method of “soft security” has been proposed to guarantee the network security. Trust models to compute the trustworthiness of single node and each path are constructed, respectively, in this paper. For the trust relationship between nodes, trust value in every interval is quantified based on Bayesian inference. A node estimates the parameters of prior distribution by using the collected recommendation information and obtains the posterior distribution combined with direct interactions. Further, the weights of trust values are allocated through using the ordered weighted vector twice and overall trust degree is represented. With the associated properties of Tsallis entropy, the definition of path Tsallis entropy is put forward, which can comprehensively measure the uncertainty of each path. Then a method to calculate the credibility of each path is derived. The simulation results show that the proposed models can correctly reflect the dynamic of node behavior, quickly identify the malicious attacks, and effectively avoid such path containing low-trust nodes so as to enhance the robustness.

The Standard Definition of Magic Matrix

2021 ◽  
Vol 10 (08) ◽  
pp. 2714-2724
Author(s):  
兴祥 刘
Keyword(s):  
Standard Definition ◽  
Definition Of

Comment on a Standard Definition of Response Rates

1984 ◽  
Vol 21 (3) ◽  
pp. 336 ◽  
Author(s):  
Frederick Wiseman ◽  
Maryann Billington
Keyword(s):  
Response Rates ◽  
Standard Definition ◽  
Definition Of

Tongue Thrust: A Point of View

1976 ◽  
Vol 41 (2) ◽  
pp. 172-184 ◽  
Author(s):  
Marvin L. Hanson
Keyword(s):  
Orthodontic Treatment ◽  
Point Of View ◽  
Patient Age ◽  
Present Evidence ◽  
Standard Definition ◽  
Myofunctional Therapy ◽  
Developmental Factors ◽  
Patient Âgé ◽  
Definition Of ◽  
Tongue Thrust

The purpose of the present paper is to present evidence to support the following hypotheses: (1) there is a relationship between tongue thrust and malocclusion, and it is probably a reciprocal one; (2) tongue thrust may yield spontaneously to nonthrusting patterns; (3) if tongue thrust does not yield spontaneously to nonthrusting patterns, some form of treatment should be considered; (4) if myofunctional therapy is the treatment of choice, its timing with respect to patient age, developmental factors, and orthodontic treatment should be an individual matter. The need for more definitive research is described. In order for such research to be meaningful, a standard definition of tongue thrust is required. Such a definition is proposed.

scholarly journals Folate bioavailability from foods rich in folates assessed in a short term human study using stable isotope dilution assays

2015 ◽  
Vol 6 (1) ◽  
pp. 241-247 ◽  
Author(s):  
Sabine Mönch ◽  
Michael Netzel ◽  
Gabriele Netzel ◽  
Undine Ott ◽  
Thomas Frank ◽  
...  
Keyword(s):  
Stable Isotope ◽  
Isotope Dilution ◽  
Human Study ◽  
Short Term ◽  
Standard Definition ◽  
Stable Isotope Dilution ◽  
Stable Isotope Dilution Assays ◽  
Folate Bioavailability ◽  
Definition Of ◽  
Different Sources

Different sources of folate may have different bioavailability and hence may impact the standard definition of folate equivalents.

Principles of Probability

2015 ◽  
Author(s):  
N. Thompson Hobbs ◽  
Mevin B. Hooten
Keyword(s):  
Bayesian Analysis ◽  
First Principles ◽  
Probability Distributions ◽  
Research Problem ◽  
Proper Understanding ◽  
Research Problems ◽  
Definition Of

This chapter describes the rules of probability as well as probability distributions. Because models are inherently, deliberately approximate, there comes a need to understand the approximation inherent in models in terms of uncertainty. Thus, equipped with a proper understanding of the principles of probability, ecologists can analyze the particular research problem at hand regardless of its idiosyncrasies. These analyses extend logically from first principles rather than from a particular statistical recipe. The chapter starts with the definition of probability and develops a logical progression of concepts extending from it to a fully specified and implemented Bayesian analysis appropriate for a broad range of research problems in ecology.

What Constitutes a Smart City?

2019 ◽  
pp. 1-29
Author(s):  
Sekhar Kondepudi ◽  
Ramita Kondepudi
Keyword(s):  
Detailed Analysis ◽  
Smart City ◽  
Strong Dependence ◽  
Common Theme ◽  
Standard Definition ◽  
Definition Of ◽  
Holistic Description ◽  
Insight Into

This chapter provides an insight into what is meant by a Smart City and the underlying factors that make a city smart. The authors answer the question of “what constitutes a smart city” by presenting a multi-faceted approach including a detailed analysis of classical smart city definitions, attributes of a smart city, industry viewpoints and efforts by standards developing organizations. Through this approach, a common theme is established which best describes a smart city. The content of this chapter can therefore form the basis of developing a standard definition of a global smart city, and subsequently can be used to develop a framework to measure the performance of a smart city. The authors also propose a definition which in their view provides a reasonably holistic description of a smart city. However, they recognize that a smart city may mean different things to different stakeholders, and therefore has a strong dependence on the “lens” through which a smart city is viewed.

What Constitutes a Smart City?

2018 ◽  
pp. 1-29
Author(s):  
Sekhar Kondepudi ◽  
Ramita Kondepudi
Keyword(s):  
Detailed Analysis ◽  
Smart City ◽  
Strong Dependence ◽  
Common Theme ◽  
Standard Definition ◽  
Definition Of ◽  
Holistic Description ◽  
Insight Into

This chapter provides an insight into what is meant by a Smart City and the underlying factors that make a city smart. The authors answer the question of “what constitutes a smart city” by presenting a multi-faceted approach including a detailed analysis of classical smart city definitions, attributes of a smart city, industry viewpoints and efforts by standards developing organizations. Through this approach, a common theme is established which best describes a smart city. The content of this chapter can therefore form the basis of developing a standard definition of a global smart city, and subsequently can be used to develop a framework to measure the performance of a smart city. The authors also propose a definition which in their view provides a reasonably holistic description of a smart city. However, they recognize that a smart city may mean different things to different stakeholders, and therefore has a strong dependence on the “lens” through which a smart city is viewed.

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