The impact of corporate governance on the financial performance of listed companies in the Tehran Stock Exchange Chemical industry

Hamidreza Taherian; Abdolhosein Karampour

Volume 3, Issue 3 , August 2017, , Pages 167-172

Abstract
  The purpose of the present paper is that of researching the impact of corporate governance on financial performance, on a sample of 3 companies (Tamin Petroleum & Petrochemical Investment Co., Persian Gulf Petrochemical Industries Company and Parsian Oil and Gas Development Group), mainly from the ...  Read More

Pattern Analysis and Intelligent Systems
A Novel Hybrid Approach for Email Spam Detection based on Scatter Search Algorithm and K-Nearest Neighbors

Samira Amjad; Farhad Soleimanian Gharehchopogh

Volume 5, Issue 3 , August 2019, , Pages 181-194

Abstract
  Because cyberspace and Internet predominate in the life of users, in addition to business opportunities and time reductions, threats like information theft, penetration into systems, etc. are included in the field of hardware and software. Security is the top priority to prevent a cyber-attack that users ...  Read More

Computer Networks and Distributed Systems
Network Parameters Evaluation in Vehicular Ad-hoc Network (VANET) Routing Protocols for Efficient Message Delivery in City Environment

OJO JAYEOLA ADARAMOLA

Volume 4, Issue 3 , August 2018, , Pages 185-192

Abstract
  Abstract- Efficient message delivery in city environment is required to ensure driver’s safety and passenger’s comfortability. In cities of developed nations, routing of data in vehicular Ad hoc Network (VANET) faces many challenges such as radio obstacles, mobility constraints and uneven ...  Read More

Computer Networks and Distributed Systems
A New Method for Intrusion Detection Using Genetic Algorithm and Neural network

mohammadreza hosseinzadehmoghadam; seyed javad mirabedini; toraj banirostam

Volume 3, Issue 4 , November 2017, , Pages 213-222

Abstract
  Abstract— In order to provide complete security in a computer system and to prevent intrusion, intrusion detection systems (IDS) are required to detect if an attacker crosses the firewall, antivirus, and other security devices. Data and options to deal with it. In this paper, we are trying to provide ...  Read More

Software Engineering and Information Systems
A Version Numbering Scheme for Informational Objects Used in VM Live Migration

Majid Tajamolian; Mohammad Ghasemzadeh

Volume 5, Issue 4 , November 2019, , Pages 245-254

Abstract
  Various numbering schemes are used to track different versions and revisions of files, software packages, and documents. One major challenge in this regard is the lack of an all-purpose, adaptive, comprehensive and efficient standard. To resolve the challenge, this article presents Quadruple Adaptive ...  Read More

Pattern Analysis and Intelligent Systems
Decentralized Fuzzy-PID Based Control Model for a Multivariable Liquid Level System

Olatunji Hezekiah Adigun

Volume 4, Issue 4 , November 2018, , Pages 247-254

Abstract
  Multivariable liquid level control is essential in process industries to ensure quality of the product and safety of the equipment. However, the significant problems of the control system include excessive time consumption and percentage overshoot, which result from ineffective performance of the tuning ...  Read More

Computer Networks and Distributed Systems
Topology Control in Wireless Sensor Network using Fuzzy Logic

Samaneh Nazari Dastjerdi; Hamid Haj Seyyad Javadi

Volume 1, Issue 2 , May 2015, , Pages 39-44

Abstract
  Network sensors consist of sensor nodes in which every node covers a limited area. The most common use ofthese networks is in unreachable fields.Sink is a node that collects data from other nodes.One of the main challenges in these networks is the limitation of nodes battery (power supply). Therefore, ...  Read More

Computer Networks and Distributed Systems
HF-Blocker: Detection of Distributed Denial of Service Attacks Based On Botnets

Bita Amirshahi; Ali Ahangari

Volume 1, Issue 3 , August 2015, , Pages 39-45

Abstract
  Abstract—Today, botnets have become a serious threat to enterprise networks. By creation of network of bots, they launch several attacks, distributed denial of service attacks (DDoS) on networks is a sample of such attacks. Such attacks with the occupation of system resources, have proven to be ...  Read More

Computer Networks and Distributed Systems
The Idea Of Using The Steganography As Encryption Tool

Ali Shlig; Amer Saleem Elameer

Volume 4, Issue 1 , February 2018, , Pages 42-50

Abstract
  the increasing use of computers and the widespread use of networks, Social networking and use applications through the use of the Internet to make the spread images, which make it easy to be penetrated from the attacker and from everyone who try to change the information. So, the need arises to transmit ...  Read More

A New Shuffled Sub-swarm Particle Swarm Optimization Algorithm for Speech Enhancement

Masoud Geravanchizadeh; Sina Ghalami Osgouei

Volume 1, Issue 1 , February 2015, , Pages 43-50

Abstract
  In this paper, we propose a novel algorithm to enhance the noisy speech in the framework of dual-channel speech enhancement. The new method is a hybrid optimization algorithm, which employs the  combination of  the  conventional θ-PSO and the shuffled sub-swarms particle optimization ...  Read More

Computer Networks and Distributed Systems
Vehicular Networks: A Survey on Architecture, Communication Technologies and Applications

Mohammadreza Pourkiani; Sam Jabbehdari; Ahmad Khademzadeh

Volume 2, Issue 3 , August 2016, , Pages 43-53

Abstract
  The Intelligent Transportation System (ITS) provides wireless and mobile communication between vehicles and infrastructure to improve the safety of transportation and make the journey more enjoyable. This system consists of many fixed and mobile nodes (Vehicles, Trains, Vessels, Air planes), Wireless ...  Read More

Computer Networks and Distributed Systems
Revolution in E-Learning by the Modern Educational Model in Mobile Learning

razieh barzegar

Volume 2, Issue 1 , February 2016, , Pages 45-52

Abstract
  education has stepped to an ultra-place and time in 21st century. We have entered to digital and wireless communication century which mobile technologies have changed the process of education and instruction. The application of these mobile technologies for creation of knowledge, attitude and skill in ...  Read More

Pattern Analysis and Intelligent Systems
Using fuzzy c-means clustering algorithm for common lecturer timetabling among departments

hamed babaei; Jaber Karimpour; Sajjad Mavizi

Volume 3, Issue 1 , February 2017, , Pages 45-64

Abstract
  University course timetabling problem is one of the hard problems and it must be done for each term frequently which is an exhausting and time consuming task. The main technique in the presented approach is focused on developing and making the process of timetabling common lecturers among different departments ...  Read More

Computer Networks and Distributed Systems
An efficient solution for management of pre-distribution in wireless sensor networks

Asghar Dolatabadi; Hamid Haj Seyyed javadi

Volume 2, Issue 2 , May 2016, , Pages 49-55

Abstract
  A sensor node is composed of different parts including processing units, sensor, transmitter, receiver, and security unit. There are many nodes in a sensor unit. These networks can be used for military, industrial, medicine, environmental, house, and many other applications. These nodes may be established ...  Read More

Software Engineering and Information Systems
Leveraging Engaged Parties in SIP Domains of eTOM Framework by using ITSM Reference Model

Faranak Mireskandari; Ramin Nasiri; Gholamreza Latif Shabgahi

Volume 2, Issue 4 , November 2016, , Pages 49-55

Abstract
  the telecommunications industry plays an important role in providing ICT services to a wide range of customers. In addition to individual customers, corporate customers also are user of these services and have an important role to make return on investment for telecom companies (Telcos). Therefore, this ...  Read More

Pattern Analysis and Intelligent Systems
A Fuzzy TOPSIS Approach for Big Data Analytics Platform Selection

Salah Uddin; Mizanur Rahman; Samaun Hasan; S.M. Irfan Rana; Shaikh Muhammad Allayear

Volume 5, Issue 1 , February 2019, , Pages 49-56

Abstract
  Big data sizes are constantly increasing. Big data analytics is where advanced analytic techniques are applied on big data sets. Analytics based on large data samples reveals and leverages business change. The popularity of big data analytics platforms, which are often available as open-source, has not ...  Read More

Pattern Analysis and Intelligent Systems
A hybrid meta-heuristic algorithm based on ABC and Firefly algorithms

azita yousefi; bita amirshahi

Volume 1, Issue 4 , November 2015, , Pages 53-58

Abstract
  Abstract— In this paper we have tried to develop an altered version of the artificial bee colony algorithm which is inspired from and combined with the meta-heuristic algorithm of firefly. In this method, we have tried to change the main equation of searching within the original ABC algorithm. ...  Read More

Pattern Analysis and Intelligent Systems
An Optimization-based Learning Black Widow Optimization Algorithm for Text Psychology

Ali Hosseinalipour; Farhad Soleimanian Gharehchopogh; mohammad masdari; ALi Khademi

Volume 7, Issue 1 , February 2021, , Pages 81-92

Abstract
  In recent years, social networks' growth has led to an increase in these networks' content. Therefore, text mining methods became important. As part of text mining, Sentiment analysis means finding the author's perspective on a particular topic. Social networks allow users to express their opinions and ...  Read More

Computer Networks and Distributed Systems
Statistical Analysis on IoT Research Trends: A Survey

Alireza Hedayati; Mehrin Rouhifar; Sahar Bahramzadeh; Vaheh Aghazarian; Mostafa Chahardoli

Volume 4, Issue 2 , May 2018, , Pages 101-134

Abstract
  Internet of Things (IoT) is a novel and emerging paradigm to connect real/physical and virtual/logical world together. So, it will be necessary to apply other related scientific concepts in order to achieve this goal. The main focus of this paper is to identify the research topics in IoT. For this purpose, ...  Read More

Pattern Analysis and Intelligent Systems
Recognizing the Emotional State Changes in Human Utterance by a Learning Statistical Method based on Gaussian Mixture Model

Reza Ashrafidoost; Saeed Setayeshi; Arash Sharifi

Volume 3, Issue 2 , May 2017, , Pages 113-124

Abstract
  Speech is one of the most opulent and instant methods to express emotional characteristics of human beings, which conveys the cognitive and semantic concepts among humans. In this study, a statistical-based method for emotional recognition of speech signals is proposed, and a learning approach is introduced, ...  Read More

Pattern Analysis and Intelligent Systems
Arabic News Articles Classification Using Vectorized-Cosine Based on Seed Documents

Mohamed T Elhadi

Volume 5, Issue 2 , May 2019, , Pages 117-128

Abstract
  Besides for its own merits, text classification (TC) has become a cornerstone in many applications. Work presented here is part of and a pre-requisite for a project we have overtaken to create a corpus for the Arabic text process. It is an attempt to create modules automatically that would help speed ...  Read More

Computer Networks and Distributed Systems
A review of methods for resource allocation and operational framework in cloud computing

Hadi Moei Emamqeysi; Nasim Soltani; Masomeh Robati; Mohamad Davarpanah

Volume 3, Issue 3 , August 2017, , Pages 173-180

Abstract
  The issue of management and allocation of resources in cloud computing environments, according to the breadth of scale and modern technology implementation, is a complicated issue. Issues such as: the heterogeneity of resources, resource dependencies to each other, the dynamics of the environment, virtualization, ...  Read More

Software Engineering and Information Systems
Metadata Enrichment for Automatic Data Entry Based on Relational Data Models

Meysam Dolatkia; Sahar Adabi; Ali Rezaee

Volume 4, Issue 3 , August 2018, , Pages 193-208

Abstract
  The idea of automatic generation of data entry forms based on data relational models is a common and known idea that has been discussed day by day more than before according to the popularity of agile methods in software development accompanying development of programming tools. One of the requirements ...  Read More

Pattern Analysis and Intelligent Systems
Water Quality Index Estimation Model for Aquaculture System Using Artificial Neural Network

Taliha A Folorunso; Musa Abiodun Aibinu; Jonathan Gana Kolo; Suleiman Omeiza Eku Sadiku; Abdullahi Muhammed Orire

Volume 5, Issue 3 , August 2019, , Pages 195-204

Abstract
  Water Quality plays an important role in attaining a sustainable aquaculture system, its cumulative effect can make or mar the entire system. The amount of dissolved oxygen (DO) alongside other parameters such as temperature, pH, alkalinity and conductivity are often used to estimate the water quality ...  Read More

Computer Networks and Distributed Systems
Traffic congestion control using Smartphone sensors based on IoT Technology

Hussam Elbehiery

Volume 3, Issue 4 , November 2017, , Pages 223-228

Abstract
  Traffic congestion in road networks is one of the main issues to be addressed, also vehicle traffic congestion and monitoring has become one of the critical issues in road transport. With the help of Intelligent Transportation System (ITS), current information of traffic can be used by control room ...  Read More