Generalized outerplanar index of a graph

summary:We define the generalized outerplanar index of a graph and give a full characterization of graphs with respect to this index

A Flow-based Distributed Intrusion Detection System Using Mobile Agents

In recent decade, computer networks have grown in popularity. So, network security measures become highly critical to protect networks against different kind of cyber attacks. One of the security measures is using intrusion detection system (IDS). An IDS aims to detect behaviors that compromise network integrity, availability and confidentiality, by continuously capturing and analyzing events occurring in the network. A challenging problem for current IDSs is that their performance decreases in today’s high speed and large scale networks. A centralize IDS cannot process such high volume of data and there is a high possibility that it discards some attacks. In this paper we propose a flow-based distributed IDS using mobile agents (MA), which performs both data capturing and data analyzing in a distributed fashion. Our distributed IDS provides a framework for deployment of a scalable and high performance IDS, which by using a grouping mechanism and help of mobile agents, effective collaboration can be established between all network members. We simulated our method in NS2. Then we compared our proposed system with a general network-based IDS and a distributed IDS. Experimental results showed its superiority using several metrics of network load, detection rate and flow loss rate.DOI:http://dx.doi.org/10.11591/ijece.v3i6.393

The Role of Traumatic Experiences and Cognitive Emotion Regulation Strategies in Predicting High-risk Behaviors among Adolescents

Introduction: The goal of the present study was to investigate adolescents’ tendency to engage in high-risk behaviors based on traumatic life experiences and adaptive and maladaptive emotion regulation strategies. Method: A descriptive/correlational design was used. The participants included 220 adolescents (154 girls and 66 boys) who were selected among high-school students in Shiraz, using a convenience sampling method. The Traumatic Experiences Checklist (TEC), the Iranian Adolescents Risk-taking Scale (IARS), and the Cognitive Emotion Regulation Strategies Questionnaire (CERQ) were used collect data. The data were analyzed using descriptive statistics, Pearson correlation coefficient, and regression analysis. Results: According to the results, among traumatic experiences, only emotional abuse (P<0. 001), and among maladaptive cognitive emotion regulation strategies, only rumination (P<0. 001) had a significant effect on high-risk behaviors. In addition, no significant relationship was found between adaptive cognitive emotion regulation strategies and tendency to engage in high-risk behaviors. Conclusion: The results suggest that providing training on emotion regulation can help students select adaptive emotion regulation strategies in coping with high-risk situations. Declaration of Interest: None.

The Relationship between Pleasure and Happiness from the Point of View of Ibn Sina and Mulla Sadra

From the time human beings are born, they are forever confronted with the phenomena of pleasure and happiness. These two concepts are very close but there are major differences and that is that pleasure is also used in momentary cases, and happiness is used only for lasting or relatively lasting pleasures. Ibn Sina and Mulla Sadra completely separated these two concepts and provided separate definitions for them. There is a deep relationship between pleasure and happiness. Psychology has a direct effect on pleasure and happiness. According to the perceptual powers of the soul, it considers different levels for pleasure and happiness, among which it considers intellectual pleasure and intellectual or spiritual happiness in terms of evidence, proof, and quantity and quality of superior than other pleasures and happiness. And among the powers of the soul, it is the only intellectual power that has not been destroyed by death, and in the world of the hereafter, ultimate happiness and pleasure will be determined by it. The method used in this article is descriptive and analytical and the method of collecting materials is library

Shanghai Declaration: promoting health in the 2030 program of the Sustainable Development

This article is Letter to the Editor and doesn't have abstract

Measurement the effects of temperature and fiber orientation on vibration of functionally graded beam

This paper concerned with analytical approach to study the thermal vibration of fiber orientation functionally graded (FOFG) beam, that fibers`oriented angles are variable and graded in the thickness direction of the beam. Uniform thermal distribution considered in the entire beam and properties of fiber orientation functionally graded (FOFG) beam considered as the temperature-dependent element. Symmetrical, asymmetrical, and classical distribution types for the mode of fiber angle presented in the thickness direction of the beam continuously. Equilibrium Equations derived from first- order shear deformation theory and Hamilton principle. Simply supported boundary condition is considered for both edges of the beam.Eneralized differential quadrature method usedto solve the system of coupled differential Equations. To study accuracy of the present analysis, a compression carried out with a known data. The results shows that different parameters such as thickness to radius ratio, effect of temperature variations, model of fibers angle variations and power-law index affected on the natural frequencies

Measurement the effects of temperature and fiber orientation on vibration of functionally graded beam

This paper concerned with analytical approach to study the thermal vibration of fiber orientation functionally graded (FOFG) beam, that fibers`oriented angles are variable and graded in the thickness direction of the beam. Uniform thermal distribution considered in the entire beam and properties of fiber orientation functionally graded (FOFG) beam considered as the temperature-dependent element. Symmetrical, asymmetrical, and classical distribution types for the mode of fiber angle presented in the thickness direction of the beam continuously. Equilibrium Equations derived from first- order shear deformation theory and Hamilton principle. Simply supported boundary condition is considered for both edges of the beam.Eneralized differential quadrature method usedto solve the system of coupled differential Equations. To study accuracy of the present analysis, a compression carried out with a known data. The results shows that different parameters such as thickness to radius ratio, effect of temperature variations, model of fibers angle variations and power-law index affected on the natural frequencies

A Study of Risk Management in Iranian Banks

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Type-2 Fuzzy Logic Approach To Increase The Accuracy Of Software Development Effort Estimation

predicting the effort of a successful project has been a major problem for software engineers the significance of which has led to extensive investigation in this area. One of the main objectives of software engineering society is the development of useful models to predict the costs of software product development. The absence of these activities before starting the project will lead to various problems. Researchers focus their attention on determining techniques with the highest effort prediction accuracy or on suggesting new combinatory techniques for providing better estimates. Despite providing various methods for the estimation of effort in software projects, compatibility and accuracy of the existing methods is not yet satisfactory. In this article, a new method has been presented in order to increase the accuracy of effort estimation. This model is based on the type-2 fuzzy logic in which the gradient descend algorithm and the neuro-fuzzy-genetic hybrid approach have been used in order to teach the type-2 fuzzy system. In order to evaluate the proposed algorithm, three databases have been used. The results of the proposed model have been compared with neuro-fuzzy and type-1 fuzzy system. This comparison reveals that the results of the proposed model have been more favorable than those of the other two models

Comparing the effect of agomelatine and sertraline in treating patients with major depression disorder

Objectives: This study compared the effect of agomelatine and sertraline in treating patients with major depressive disorder (MDD).Methods: This single‑blinded clinical trial was conducted on 52 patients aged 18–65 years with major depression (Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition) in Kashan in 2020. The Hamilton Rating Scale was randomly assigned agomelatine (25–50 mg/day) or sertraline (50–200 mg/day) for 8 weeks. The main efficacy outcome was considered a mean change of HAM‑D score from the baseline to the end of therapy.Results: The drugs under study effectively reduced depressive symptoms at all time points. As a frequent analysis showed, changes in Hamilton score were found to be significant in both the groups over time (F = 45.48, P < 0.001). Comparing the two groups showed a significant difference, such that score reduction was higher in the sertraline group (F = 4.45, P = 0.04). However, due to the differences between the two groups in terms of age and sex, the data were re‑analyzed using a linear regression analysis with a random effect model approach. After removing the effect of age and sex as two confounding variables, we observed no significant differences between the two groups.Conclusion: Agomelatine is more effective than sertraline in treating MDD