Bassam Zafar

• Professor in Computer Science
• King Abdulaziz University

In a world where interconnectedness prevails, security matters more than ever. The increasing prevalence of digital operations and the wide storage of sensitive information heighten the need for reliable identity verification. Biometric security systems provide a convenient, secure, and dependable approach to verifying people's identities. Biometri...

Today, there is a time series analysis that has gained significant popularity across various industries to provide effective solutions for any specific challenges. Artificial intelligence logic is generally used to solve time-series problems with the help of various frameworks that are available for the development of AI-based applications. Current...

These days, users consume more electricity during peak hours, and electricity prices are typically higher between 3:00 p.m. and 11:00 p.m. If electric vehicle (EV) charging occurs during the same hours, the impact on residential distribution networks increases. Thus, home energy management systems (HEMS) have been introduced to manage the energy de...

The Energy Internet (EI) and Smart Grid 2.0 (SG 2.0) concepts are potential challenges in industry and research. The purpose of SG 2.0 and EI is to automate innovative power grid operations. To move from Distribution Network Operators (DSO) to consumer-centric distributed power grid management, the blockchain and smart contracts are applicable. Blo...

The Vehicle-to-Home (V2H) topic is considered a promising and potential field of research due to its ability to address a variety of issues related to smart household electricity consumption and consumer energy demand. Therefore, as the population grows and their habits change, so does the need for domestic energy. Consequently, the provision of el...

Integration of vehicle-to-home (V2H) centralized photovoltaic (HCPV) systems is a requested and potentially fruitful research topic for both industry and academia. Renewable energy sources, such as wind turbines and solar photovoltaic panels, alleviate energy deficits. Furthermore, energy storage technologies, such as batteries, thermal, and electr...

Design of smart navigation for visually impaired/blind people is a hindering task. Existing researchers analyzed it in either indoor or outdoor environment and also it’s failed to focus on optimum route selection, latency minimization and multi-obstacle presence. In order to overcome these challenges and to provide precise assistance to visually im...

Power scheduling of domestic appliances is a vital preference for bridging the gap between demand and generation of electricity in a microgrid. For a stable microgrid, an acceptable mechanism must reduce the peak to average ratio (PAR) of power demand with supplementary benefits for consumers as reduced electricity charges. Recent studies have focu...

BACKGROUND Hajj pilgrims are often affected by the risks of the rapid spread of communicable diseases. Such risks have emerged intensively more than ever before the recent COVID-19 pandemic. The previous study has recommended Hajj surveillance data management systems for efficient control of health risks. As a preventive measure, however, no previo...

Home energy management system has been selected as an attractive research issue due to its ability to enhance energy security by including devices, entertainment systems, security systems, environmental controls, etc. Home automation is incorporated as a potential technology to ensure efficient electricity performance without interruption, solve po...

Home energy management system has been selected as an attractive research issue due to its ability to enhance energy security by including devices, entertainment systems, security systems, environmental controls, etc. Home automation is incorporated as a potential technology to ensure efficient electricity performance without interruption, solve po...

Due to rapid advancements in the field of information and communication technologies, mobile health (mHealth) has become a significant topic in the delivery of healthcare. Despite the perceived advantages and the large number of mHealth initiatives, the success of mHealth ultimately relies on whether these initiatives are used; their benefits will...

BACKGROUND Hajj pilgrims are often affected by the risks of rapid spread of communicable diseases. Such risks have emerged intensively more than ever before the recent COVID-19 pandemic. With regard to that, previous study has recommended for Hajj surveillance data management systems for efficient control of health risks. As preventive measure, how...

ICHFCT’20 held on March 20,22nd in Hammamet instigate issues concerning energy including; supply, management, storage and the alleviation of shortages. For these intentions, the conference joins academics, researchers and experts as an initiative to exchange share and expose theories and innovations related to energy. At a larger scale, ICHFCT’20 w...

ICS2AI’20 held in Hammamet at the 20th - 22th of March, 2020 is an ideal platform for keeping up with the new issues such as smart sensing and wireless communication. ICS2AI’20 gathers scientists, experts and researchers from different countries to share their findings in the prospected issues. Such issues have captured the attention of engineers a...

Nowadays attackers work hard to develop efficient cyberthreats and exploit new techniques. So defenders need to use advanced methodologies to combat the latest threats and safely remove them from computers, mobiles and connected devices. Without the intelligent techniques, these devices would be at increased risk of damage from malicious programs....

In this paper, a multiple relay selection (MRS) scheme for signal-to-noise ratio (SNR) enhancement is proposed for Underlay Relay-assisted Cognitive Radio Networks (RCRNs). A secondary source-destination pair experiencing deep fading on direct path is assisted by Amplify-and-Forward (AF) relays in an Underlay mode. In this energy-constrained scenar...

The optimization of energy consumption in transport applications, especially dual-energy vehicles (hybrid electric System), was selected as an interesting problem for future transportation applications due to its high efficiency, reduced emissions and the required consumption optimization. To solve this embedding problem, a Hybrid Electrical System...

Autonomous hybrid energy systems are a completely green system and are considered as an attractive research problems that utilize all power requirements using energy storage. Deploying green systems is seen as an option to improve power security. For this reason, the main objective is to ensure the efficient production of electricity without interr...

This study adopts recurrent neural networks (RNN) with its Long Short-Term Memory (LSTM) architecture to predict the ambient temperature (TA). The prediction is based on meteorological data retrieved from IoT stations, these IoT stations consist of different components such as sensors to capture the temperature, humidity and some gases in the air,...

I-energy and its applications used in the smart grid are chosen as attractive research issues due to their widespread applications in the smart home. In this vein, the optimization of energy demand in smart home appliances, in a smart grid, is considered the main challenge faced by power companies during peak periods regarding its considerable effe...

Home-to-Vehicle (H2V) appears as an interesting research area due to its public services that incorporates new technologies and new devices for better life quality. The objective is to study and analyze house energy needs to optimize more efficiently the energy production for an optimal economy. In this context, hydrogen-based hybrid electric stand...

The hybrid fuel cell electric vehicle powered by household power during peak use is another opportunity to reduce emissions and save money. For this reason, Vehicle-to-Home (V2H) and Home-to-Vehicle (H2V) systems were proposed as a new method of exchanging smart energy and a new method of exchanging smart energy. The main goal of this paper is to d...

This paper seeks to develop a Smart Home prototype that improves electricity production without interruption to provide comfortable services for users. So, a realistic autonomous hybrid system including PV source with a fuel cell backup system is studied. The system comprises also energy storage devices for safe energy delivery and recovery. To per...

In underlay cognitive radio networks (CRNs), secondary users (SUs) are allowed to co-exist with the primary users at the cost of reduced transmit power in order to satisfy the stringent interference constraint. This obligation reduces the coverage area of the SUs and they have to involve relaying services for assistance. However, selecting the best...

This paper seeks to develop a Smart Home prototype that improves electricity production without interruption to provide comfortable services for users. So, a realistic autonomous hybrid system including PV source with a fuel cell backup system is studied. The system comprises also energy storage devices for safe energy delivery and recovery. To per...

Due to the huge volume of information and knowledge derived from IoT devices, it will be hard to explore all knowledge coming from these devices. The semantic ontology-based descriptions with the semantic web are one of the most interesting ways to extract the required knowledge. However, the information retrieval typically made by the SPARQL query...

In this paper, a transmit power-saving scheme incorporated with multiple relay-selection for performance enhancement of underlay relay-assisted cognitive radio networks (RCRNs) is proposed. For this purpose, a secondary source assisted by a set of Amplify-and-Forward (AF) cognitive relays to communicate with its intended destination, is considered....

—In this paper, a transmit power-saving scheme incorporated with multiple relay-selection for performance enhancement of underlay relay-assisted cognitive radio networks (RCRNs) is proposed. For this purpose, a secondary source assisted by a set of Amplify-and-Forward (AF) cognitive relays to communicate with its intended destination, is considered...

The collision prevention system is one of most important research issues on vehicle safety technology. Sending worming messages within the right time and reliable transmission will get prevention of a possible vehicle accident. The communication standards of vehicular networks (VANET) are unable to guarantee the delivery of critical messages within...

A design of a sales system for professional services requires a comprehensive understanding of the dynamics of sale cycles and how key knowledge for completing sales is managed. This research describes a design model of a business development (sales) system for professional service firms based on the Saudi Arabian commercial market, which takes int...

This paper presents the utilization of an Ultra-capacitor as an auxiliary power source in a hybrid power system, composed of a Polymer Electrolyte Membrane Fuel Cell (PEMFC) as a main energy source. The PEMFC source may not be sufficient to satisfy the power required, especially, the peak demand periods. So, we use an Ultra-Capacitor (UCap) because...

Autonomous hybrid power systems are attractive research questions that deliver electricity to isolated consumers without being connected to the power grid. The deployment of autonomous hybrid power systems is considered as an option to improve energy security. For this reason, the main objective is to ensure the efficient production of electricity...

While IEEE 802.15.4/Zigbee is a promising technology for Wireless Personal Area Networks, several transmission problems are not yet resolved. In particular, the problem of beacon transmission interferences is causing the device connection loss to the network. In order to resolve this problem, we present a new distributed and reactive procedure for...

Hybrid Electrical System (HES), combined various promising devices like a Fuel Cell, a battery and a supercapacitor, is an attractive issue. This system was qualified by its high efficiency for electrical vehicle applications. For that, this article aims to analyze and to evaluate the system performance. A Multi-Input-Multi-Output state space model...

Available online xxx Keywords: Solar energy PEMFC Ultracapacitor Hydrogen Multi-agent approach Simulation a b s t r a c t Autonomous hybrid power systems are attractive research questions that deliver electricity to isolated consumers without being connected to the power grid. The deployment of autonomous hybrid power systems is considered as an op...

A Proton Exchange Membrane Fuel Cell (PEMFC) powered Hybrid Electric System (HES) is one of an appreciating research issue for the future due to its high efficiency and capability to use hydrogen as a fuel. The PEMFC cannot sufficiently meet sustained load demands in some cases. For that, to compensate this problem incorporating the slow transient...

In this paper, a design of a Hybrid autonomous Power System is proposed and detailed. The studied system integrates several components as solar energy source, Energy Recovery system based on a proton membrane exchange fuel cell system and two energy storage components, namely, (1) Energy Storage based on H2 gas production, and (2) an Ultra-capacito...

The main objective of this study is to apply data mining techniques to predict and analyze students' academic performance based on their academic record and forum participation. Educational Data Mining (EDM) is an emerging tool for academic intervention. The educational institutions can use EDU for extensive analysis of students' characteristics. I...

The integration of large-scale of a standalone hybrid system is beginning an attract challenge for the running of the current power system, especially in areas where the grid is not appreciated. Also, the a standalone hybrid system has become an appreciating research issue to improve energy security in all aspects like, sustainability, reliability...

In an underlay spectrum sharing environment, relay selection stands as one of the fascinating techniques to address the challenge of performance enhancement of secondary communication via cognitive relays. In this paper, a similar constrained optimization problem is discussed in which a secondary source-destination pair is assisted by a potential R...

Performance enhancement of secondary communication, while adhering to the interference constraint of the primary network in an underlay spectrum sharing environment, is an active area of research. In this paper, we propose a Fuzzy Rule Based System (FRBS) assisted relay selection and transmit power allocation (RSTPA) technique that provides the sec...

This paper discusses an important research issue which is an attracting Hybrid Power System (HPS) using a Proton-Exchange-Membrane Fuel Cell (PEMFC) and a Supercapacitor (SC). This latter is considered as a short term storage device. The PEMFC is expected to become an excellent solution for several applications, even that its slow dynamic. So, the...

Text analysis includes lexical analysis of the text and has been widely studied and used in diverse applications. In the last decade, researchers have proposed many efficient solutions to analyze / classify large text dataset, however, analysis / classification of short text is still a challenge because 1) the data is very sparse 2) It contains noi...

Multiple sequence alignment plays a key role in the computational analysis of biological data. Different programs are developed to analyze the sequence similarity. This paper highlights the algorithmic techniques of the most popular multiple sequence alignment programs. These programs are then evaluated on the basis of execution time and scalabilit...

In recent years, social media has become more and more popular because it is playing an important role in empowering citizens, organization of community activism, social good and even used for coordination in emergency situations. The social media has become integral part of the current generation. In this study, we aim to analyze the influence of...

Images / Videos are major source of content on the internet and the content is increasing rapidly due to the advancement in this area. Image analysis and retrieval is one of the active research field and researchers from the last decade have proposed many efficient approaches for the same. Semantic technologies like ontology offers promising approa...

The integration of new technologies in the classrooms opens new possibilities for the teaching and learning process. Technologies such as student response system (e.g. Clicker) are getting popularity among teachers due to its effects on student learning performance. In this study, our primary objective is to investigate the effect of Socrative with...

Multi-agent system consists of two or more agents which cooperate/coordinate with each other in order to solve a complex problem which would be difficult or inappropriate if solved by single agent. Multi-agents are modeled using Agent Unified Modeling Language (AUML) as Unified Modeling Language (UML) notations do not fully express agent properties...

he main goal of this study is to address the association between computer games and students’ academic performance. Computer games provide promising opportunities to motivate and involve students in learning. The exceptional growth in numbers of youth playing computer games in Saudi Arabia has stimulated this study to be conducted. In this study, w...

In this study, the bag-of-visual-word based medical image classification technique was investigated. A new approach for medical image classification was proposed by introducing multi steps image classification using three different visual vocabularies. First, image is classified into general category by constructing that level of vocabulary. In sec...

At the IT department, King Abdulaziz University (KAU) wants to improve two aspects related with the students. First one is the improvement of the student's access to work; and the second one is the student's adaptation to the first course with training classes on the summer period. Thus, it is improved their adaptation to the university methodology...

Disasters have been causing huge damages to infrastructure as well as human life for a long time. The time immediately following a disaster needs to be managed efficiently to minimise the damage to the human population in that area. One of the key challenges faced when disaster hits an area is efficient distribution of resources such as medicine, f...

In this article we will try to use the services of Facebook, in a controlled environment, so that teachers can carry out their teaching. From the educational point of view, Facebook provides a new starting point, collaborative work, from plugins development tailored to the needs of teachers in schools. And this requires to take into account the hie...

The design of an educational system involves a good understanding of the whole school environment in order to find the correct approach to develop a comprehensive educational system that will meet real educational needs in their operation. This article describes a design model for an educational system based on the teaching methods applied in the S...

The design of an educational system involves a good understanding of the whole school environment; in order to give the correct approach of how to develop a comprehensive educational system as the real educational needs for its operation. This article describes a design model of an educational system based on the teaching methods applied in the Spa...