Research Paper Economics
Modeling the effects of intellectual capital components on the economic competitiveness, and assessing its consequences using a fuzzy cognitive map

Mohammad Hadi Zohdi; Morteza Shafiee; Fariborz Evazzadeh Fath

Volume 7, Issue 4 , December 2020, Pages 313-328

  Despite its known importance, relatively few studies have focused on studying the effects of Intellectual Capital Components (ICC) on the economic competitiveness, determining related elements and relationships exists between them to assess its consequences. This study was designed to provide a comprehensive ...  Read More

Research Paper Other
Stabilization of low plastic and high plastic clay using guar gum biopolymer

Muhammad Ali Rehman; Turab Jafri

Volume 7, Issue 4 , December 2020, Pages 329-343

  In geotechnical engineering, soil stabilization provides practical and cost-effective solutions related to problematic soils. With the growing necessity for environmentally friendly and sustainable materials, researchers have been exploring alternative methods such as biological approaches for soil stabilization. ...  Read More

Research Paper Engineering Optimization
Optimization of parameter settings to achieve improved tensile and impact strength of bamboo fibre composites

Okwuchi Smith Onyekwere; Mobolaji Humphrey Oladeinde; Kindness Alfred Uyanga

Volume 7, Issue 4 , December 2020, Pages 344-364

  There is great interest in application of natural fibres, such as bamboo fibre, as reinforcement in composite production. Herein, to achieve high performance under optimum process conditions, experimental design and optimization techniques are used to investigate the best parameter settings for processing ...  Read More

Research Paper
The transmission dynamics of HPV, HIV/ADS and HSV-II co-infection model

Eshetu Dadi Gurmu; Boka Kumsa Bole; Purnachandra Rao Koya

Volume 7, Issue 4 , December 2020, Pages 365-395

  The aim of study is to formulate and analyze a mathematical model for coinfection of sexually transmitted diseases HPV, HIV, and HSV-II. The well possedness of the developed model equations was proved and the equilibrium points of the model have been identified. Qualitative analysis of the formulated ...  Read More

Research Paper Decision analysis and methods
A multi-objective optimization approach for a nurse scheduling problem considering the fatigue factor (case study: Labbafinejad Hospital)

Niloofar Khalili; Parisa Shahnazari Shahrezaei; Amir Gholm Abri

Volume 7, Issue 4 , December 2020, Pages 396-423

  The current study, according to ergonomic factors, aims to model the nurses’ work shift scheduling problem. Considering the urgent needs of the hospitals in providing better services to patients, it seems significant to take the preferences of nurses in scheduling shifts into account. Therefore, ...  Read More

Research Paper Computational Intelligence
A modified technique for recognizing facial expression

Bhawesh Rajpal; Nitin Prasad; Kaushal Kishore Rao Mangalore; Nikhitha Pradeep; Ravi Shastri

Volume 7, Issue 4 , December 2020, Pages 424-434

  This paper consists of analysis of an algorithm dealing with facial expressions recognition. The algorithm has three major steps, initially image is processed, then the facial features are extracted and finally facial expression is recognized. In the initial processing stage the facial region is identified ...  Read More

Research Paper Systems and service modeling and simulation
Robust control for variable order time fractional butterfly- shaped chaotic attractor system

Anis Shabani; Amir Hossein Refahi Sheikhani; Hossein Aminikhah

Volume 7, Issue 4 , December 2020, Pages 435-449

  In this article, we investigated the robust control approach for variable-order fractional time fractional butterfly- shaped chaotic attractor system that the fractional derivative is considered in Atangana-Baleanu-Caputo sense. We show the computational algorithm with high accuracy for solving the proposed ...  Read More