Muhammad Azhar Iqbal

• PhD
• Head of Faculty at University of Management and Technology

Aquaponics is an emerging area of agricultural sciences that combines aquaculture and hydroponics in a symbiotic way to increase crop production. Though it offers a lot of advantages over traditional techniques, including chemical-free and soil-less farming, its commercial application suffers from some problems such as the lack of experienced manpo...

The healthcare, horticulture, pharmaceuticals, and food processing industries have all seen a recent surge in the use of edible nanoparticles owing to their unique characteristics and nanoscale size. It is possible to produce these nanoparticles using chemical, physical, and biological processes. By producing nanoparticles using techniques of biote...

Aquaponics is an emerging area of agricultural sciences that combines aquaculture and hydroponics in a symbiotic way to enhance crop production. A stable smart aquaponic system requires estimating the fish size in real time. Though deep learning has shown promise in the context of smart aquaponics, most smart systems are extremely slow and costly a...

In this manuscript, the structural, opto-electronic, and thermodynamic properties of ZnAl2Se4 chalcogenide compounds were studied in detail using the full potential linearized augmented plane wave method. The exchange and correlation potentials used in density functional theory were calculated using local density approximation, the generalized grad...

In order to investigate, structural, elastic, opto-electronic and thermoelectric properties of Cs2ScTlX6 (X = Cl, Br, I), full potential linearized augmented plane wave method is employed within density functional theory. Structure optimization using the equation of state and tolerance factor confirms the stability of the cubic lattice. Mechanical...

Digital Agriculture aims to raise agricultural productivity while empowering the farming stakeholders (especially the farmers) with the availability of ICT-based applications on smart devices. However, despite putting in much effort, smallholder farmers’ willingness for adopting digital technologies is low in developing countries. In this study, fo...

Spinel oxides have attracted huge attention from researchers owing to their fundamental potential and applied prospects. In particular, it is highly desirable to enhance simultaneously the transparent and conducting nature of spinel oxides for many device applications such as display screens. To achieve the task, we report a comparative analysis on...

Cloud service providers acquire the computing resources and allocate them to their clients. To effectively utilize the resources and achieve higher user satisfaction, efficient task scheduling algorithms play a very pivotal role. A number of task scheduling technique have been proposed in the literature. However, majority of these scheduling algori...

Modern deep learning schemes have shown human-level performance in the area of medical science. However, the implementation of deep learning algorithms on dedicated hardware remains a challenging task because modern algorithms and neuronal activation functions are generally not hardware-friendly and require a lot of resources. Recently, researchers...

Herein, we report on the impact of Zn doping on electronic and optical properties of manganese di-chromium oxide spinel MnCr 2 O 4 via Mn 0.5 Zn 0.5 Cr 2 O 4 doping scheme. For the quantum computational analysis on the targeted properties, we employed first-principles density functional theory approach within full-potential linearized augmented pla...

In this study, the effects of hydrostatic pressure ranges from 0 Gpa to 20 Gpa on detailed pressure induced computations of Barium Zirconate BaZrO 3 , including initial geometry optimization, energy minimization calculations, total energy values, lattice parameters, energy band gaps (E g ), optical and elastic constants are reported. All subjected...

The cubic perovskites have attained great importance in magneto-electronic storage devices due to their electromagnetic nature and because of their direct band-gap. The cubic perovskites’ structural, electronic, optical, and magnetic characteristics were investigated using Density Functional Theory (DFT), using Wein2k-code with the Full Potential L...

Effect of pressure variation on structural, electronic, optical, and mechanical properties of lanthanum oxide (La2O3) have been investigated by using Cambridge Serial Total Energy Package (CASTEP) under reference of density functional theory (DFT) for ab initio calculations with plane wave basis set and pseudopotentials. The complete investigation...

Cardiovascular and chronic respiratory diseases are global threats to public health and cause approximately 19 million deaths worldwide annually. This high mortality rate can be reduced with the use of technological advancements in medical science that can facilitate continuous monitoring of physiological parameters—blood pressure, cholesterol leve...

Employing general-purpose graphics processing units (GPGPU) with the help of OpenCL has resulted in greatly reducing the execution time of data-parallel applications by taking advantage of the massive available parallelism. However, when a small data size application is executed on GPU there is a wastage of GPU resources as the application cannot f...

In the present study, a theoretical model of potassium-based zinc perovskite (KZnF3) is investigated via structural, electronic, elastic, mechanical, optical, and thermal properties. In addition, lattice dynamics and effect of pressure variation on structural and electronic properties have also been observed. All said calculations are done within t...

Opportunistic networks utilize pocket switching for routing where each node forwards its messages to a suitable next node. The selection of the forwarder node is crucial for the efficient performance of a routing protocol. In any opportunistic network, some nodes have a paramount role in the routing process and these nodes could be identified with...

Due to the expeditious inclination of online services usage, the incidents of ransomware proliferation being reported are on the rise. Ransomware is a more hazardous threat than other malware as the victim of ransomware cannot regain access to the hijacked device until some form of compensation is paid. In the literature, several dynamic analysis t...

Smart phones are an integral component of the mobile edge computing (MEC) framework. Securing the data stored on mobile devices is very crucial for ensuring the smooth operations of cloud services. A growing number of malicious Android applications demand an in-depth investigation to dissect their malicious intent to design effective malware detect...

A massive of early drug tests indicates that there is some strong inner connections among the bio-medical and pharmacology properties of nanostar dendrimers and their molecular structures. Topological descriptors are presented as fundamentally transforming a molecular graph into a number. There exist various categories of such descriptors particula...

In a connected graph G with a vertex v , the eccentricity ε v of v is the distance between v and a vertex farthest from v in the graph G . Among eccentricity-based topological indices, the eccentric connectivity index, the total eccentricity index, and the Zagreb index are of vital importance. The eccentric connectivity index of G is defined by ξ G...

The scalable wireless network simulation poses huge computation challenges as the execution time needed to perform the simulation can be prohibitively high. Parallel and distributed simulation (PADS) approaches have been proposed that use huge memory and high processing power of multiple execution units [i.e., logical processes (LPs)] to handle sca...

Multi-core processors provide time-efficient and cost-effective solutions to execute the algorithms for complex physical systems. However, to efficiently exploit the processing capabilities of the underlying architectures, the applications executing on multi-core processors must be parallelized. Conventionally, the applications for high-performance...

In the heterogeneous computing environment, programmers map the applications either on CPUs or GPUs. However, this default mapping process does not produce improved results, particularly on the heterogeneous clusters. If one resource of the cluster is more compute capable, then most of the scheduling schemes favor that powerful device. In this scen...

Recently, Service-level agreement (SLA) is deemed to be an integral aspect for on-demand provisioning of scalable resources on Cloud. SLA defines important constraints for instance guaranteed quality of service (QoS), pricing, fault-tolerant availability, security, and period of service. Currently, there is a dire need of SLA-based scheduling that...

Users around the world send queries to the Web Search Engine (WSE) to retrieve data from the Internet. Users usually take primary assistance relating to medical information from WSE via search queries. The search queries relating to diseases and treatment is contemplated to be the most personal facts about the user. The search queries often contain...

The increasing use of web search engines (WSEs) for searching healthcare information has resulted in a growing number of users posting personal health information online. A recent survey demonstrates that over 80% of patients use WSE to seek health information. However, WSE stores these user's queries to analyze user behavior, result ranking, perso...

One dimensional vertically aligned zinc oxide (ZnO) nanorods sensor was fabricated on aluminum foil as substrate by solvothermal process and their liquefied petroleum gas (LPG) detection characteristics were studied. In this research the relationship between LPG sensing properties and surface morphology of ZnO nanorod sensor is observed. The crysta...

Cystic Echinococcosis (CE) is one of the most important zoonotic parasitic diseases in human, livestock, and wildlife globally. The prevalence of CE depends upon human behavioral risk factors, the diversity and ecology of animal host interactions and the genetic diversity within Echinococcus species which differ in their zoonotic potential and path...

Researchers cite papers in order to connect the new research ideas with previous research. For the purpose of finding suitable papers to cite, researchers spend a considerable amount of time and effort. To help researchers in finding relevant/important papers, we evaluated textual and topological similarity measures for citation recommendations. Th...

Heterogeneous computing machines consisting of CPUs and GPUs are increasingly being used today because of their higher performance-cost ratio and lower energy consumption. To program such heterogeneous systems, OpenCL has become an industry standard due to the portability across various computing architectures. To exploit the computing capabilities...

Graph theory plays an important role in modeling and designing any chemical network. A large number of properties like physico-chemical properties, thermodynamic properties, chemical activity and biological activity are determined by the chemical applications of graph theory. These properties can be characterized by certain graph invariants referre...

Network simulations are resource and time intensive tasks due to the involvement of a number of factors attributable to scalability with respect to computation time, cost, and energy. Academic clouds are employed for large-scale network simulations, which require extensive capacity and intelligent resource management. This paper explores the perfor...

This paper explains the programming aspects of a promising Java-based programming and execution framework called JavaSymphony. JavaSymphony provides unified high-level programming constructs for applications related to shared, distributed, hybrid memory parallel computers, and co-processors accelerators. JavaSymphony applications can be executed on...

Cloud computing has recently been evolved in terms of the dynamic provision of computing resources to the users based on payment for usage on a pay-as-you-go basis. This provides feasibility to gain access to the large-scale and high-speed resources without establishing their own computing infrastructure to execute High-Performance Computing (HPC)...

Time is an important aspect in temporal information retrieval (TIR), a subfield of information retrieval (IR). Web search engines like Google or Bing are common examples of IR systems. An important constituent of a search engine is news retrieval, where users present their information needs in the form of temporal queries. Users are usually interes...

Information Retrieval (IR) systems embed temporal information for retrieving the news documents related to temporal queries. One of the important aspects of a news document is the focus time, a time to which the content of document refers. The contemporary state-of-the-art does not exploit focus time to retrieve relevant news document. This paper i...

The contemporary multicore era has adhered to the heterogeneous computing devices as one of the proficient platforms to execute compute-intensive applications. These heterogeneous devices are based on CPUs and GPUs. OpenCL is deemed as one of the industry standards to program heterogeneous machines. The conventional application scheduling mechanism...

Cloud computing serves as a platform for remote users to utilize the heterogeneous resources in data-centers to compute High-Performance Computing jobs. The physical resources are virtualized in Cloud to entertain user services employing Virtual Machines (VMs). Job scheduling is deemed as a quintessential part of Cloud and efficient utilization of...

Information theory progression along with the advancements being made in the field of Vehicular Ad hoc NETworks (VANETs) supports the use of coding-aware opportunistic routing for efficient data forwarding. In this work, we propose and investigate an adaptive coding-aware routing scheme in a specific VANET scenario known as a vehicular platoon. Ava...

The utilizations of graph theory in chemistry and in the study of molecule structures are more than someone’s expectations, and, lately, it has increased exponentially. In molecular graphs, atoms are denoted by vertices and bonds by edges. In this paper, we focus on the molecular graph of (2D) silicon-carbon S i 2 C 3 -I and S i 2 C 3 - I I . Moreo...

Large-scale network simulations are resource and time intensive tasks due to a number of factors i.e., setup configuration, computation time, hardware, and energy cost. These factors ultimately force network researchers to scale-down the scope of experiments, either in terms of simulation entities involved or in abridging expected micro-level detai...

In this study, the Full-Potential Linearized Augmented Plane Wave (FP-LAPW) method is employed to calculate the effect of pressure variation (0–50 GPa) on the electronic structure, elastic parameters, mechanical durability, and thermodynamic aspects of calcium based CaLiF3 in combination with the Quasi-harmonic Debye model where the phonon effects...

Density functional theory (DFT) is employed to calculate the effect of pressure variation on electronic structure, elastic parameters, mechanical durability, and thermodynamic aspects of SrRbF3, in combination with Quasi-harmonic Debye model. The pressure effects are determined in the range of 0-25 GPa, in which cubic stability of SrRbF3 fluoropero...

The effect of pressure variation on structural, electronic, elastic, mechanical, optical and thermodynamic characteristics of cubic SrNaF3 fluoroperovskite have been investigated by employing first-principles method within the framework of gradient approximation (GGA). For the total energy calculations, we have used the full-potential linearized au...

Human contact prediction is considered a challenging problem in the context of social networks. We have approached this problem as link prediction problem and analyzed social profiles and their impact on predicting links in a social network. In this work, we have argued that not all social features share the same importance for link prediction. The...

The effect of pressure variation on stability, structural parameters, elastic constants, mechanical, electronic and thermodynamic properties of cubic SrKF3 fluoroperovskite have been investigated by using the full-potential linearized augmented plane wave (FP-LAPW) method combined with Quasi-harmonic Debye model in which the phonon effects are cons...

The structural, electronic, elastic, optical and thermodynamic properties of cubic fluoroperovskite SrLiF3 at ambient and high-pressure are investigated by using first-principles total energy calculations within the framework of Generalized Gradient Approximation (GGA), combined with Quasi-harmonic Debye model in which the phonon effects are consid...

Detailed ab-initio calculations are performed to investigate structural, elastic, mechanical, magneto-electronic and optical properties of the KXF3 (X= V,Fe,Co,Ni) fluoro-perovskites using Full Potential Linearized Augmented Plane Wave (FP-LAPW) method within the framework of density functional theory (DFT). The calculated structural parameters by...

In last decade, application developers attained improved performances by merely employing the machines based on higher-clocked processors. However, in 2003 multi-core processors emerged and eradicated the old processor manufacturing technology based on increasing processor’s clock frequencies. After emergence of new parallel processor architectures...

Ransomware are a recent scareware, a threat that is increasing gradually for the last couple of years. Usually, it encrypts users' files or steal/delete important information and holds the decryption key until a ransom is paid by the victim, which is mostly in bitcoins due to their untraceable properties. In this work, we have conducted a survey to...

The structural, elastic, mechanical, electronic, and optical properties of KPaO3 and RbPaO3 compounds are investigated from first-principles calculations by using the WIEN2k code in the frame of local density approximation (LDA) and generalized gradient approximation (GGA). The calculated ground state quantities, such as lattice constant (a 0), gro...

Network centrality measures are used to identify important and influential nodes in any network. Several centrality measures are proposed in literature for static networks however these measures cannot be used for routing purpose in opportunistic networks as opportunistic networks are dynamic in nature. Opportunistic networks utilise pocket switchi...

Two well-known connectivity topological indices are the atom-bond connectivity index and the geometric-arithmetic index, introduced by Estrada et al. and Vukicevic et al. respectively. In this paper, we calculate the closed expression for the first and fourth version of atom-bond connectivity index and the first and fifth version of geometric-arith...

Density functional theory (DFT) is used to study the bonding nature as well as the structural, electronic, and optical properties of the SrLiF3, SrNaF3, SrKF3 and SrRbF3 fluoroperovskite compounds. The findings are based on the total energy calculations where the Khon Sham (KS) equation is solved by means of an ab-initio full-potential linearized a...

A new potential approximation known as modified Becke-Johnson (mBJ) based on density functional theory method is applied to compute electronic and optical properties of BaPaO3 and BaUO3 compounds. Type of chemical bonding is analyzed with the help of variations in electron density difference distribution that is induced due to changes of second cat...

On a cache-coherent multi-core multi-processor parallel machine, the execution time of a multi-threaded application with high-lock contention is immensely sensitive to the distribution of application-threads across multiple processors. Improper mapping of threads results in loss of performance due to the frequency of lock transfers between sockets....

50 nm ZnO nanowires were grown on indium tin oxide (ITO) coated poly ethylene terephthalate (PET) substrates by adapting facile aqueous growth technique using low temperature and vacuum conditions. Prior to growth of ZnO nanowires, pure hexagonal wurtzite structured seed layer was grown on flexible substrates. Surface morphology of nanostructure ha...

Online social networks (OSNs) are becoming extremely popular among Internet users as they spend significant amount of time on popular social networking sites like Facebook, Twitter and Google+. These sites are turning out to be fundamentally pervasive and are developing a communication channel for billions of users. Online community use them to fin...

Density functional theory is used to explore structural, elastic, and mechanical properties of SrLiF3, SrNaF3, SrKF3 and SrRbF3 fluoroperovskite compounds by means of an ab-initio Full Potential-Linearized Augmented Plane Wave (FP-LAPW) method. Several lattice parameters are employed to obtain accurate equilibrium volume (Vo). The resultant quantit...

M. JABEENa*, M. A. IQBALb, M. T. JAVEDc, N. ALId, M. AHMEDa, R. ALId, S. SARFRAZe, R. V. KUMARe

ZnO nanorods were grown by 2-step solution process. The seeding layer was prepared by thermal de-composition of zinc acetate di-hydrate at a temperature of 150 degrees C for 1 h and then ZnO nanorods were synthesized from a solution of Zn(NO3)(2). The seed layer increase the nucleation during the growth by hydrothermal process but ZnO growth withou...

Some low-income people of Pakistan live in traditional windowless one- to two-room houses made of mud. The data on radon concentration in such houses of Pakistan was scarce in the literature. Therefore, 60 mud houses in the vicinity of the city of Lahore (the capital of the Punjab province of Pakistan) were selected for survey of radon in these hou...

We have successfully synthesized diameter controlled (350 nm) ZnO nanowires. First we have grown seed layer on ITO coated PET substrate then in second step well aligned ZnO nanowires were grown on seed layer. Crystallinity, morphology and growth rate of nanowires were controlled by controlling synthesis parameters. Grown nanowires have adopted the...

Tree like FeCo alloy microstructures with stem, branches, and leaves are prepared by template free hydrothermal method at relatively low temperature using high concentration of NaOH. Prepared FeCo microstructures have bcc crystal and equiatomic composition. The crystallite size of 18.5 nm and micro-strains of value 0.00285 were estimated by William...

Ever since the wireless relay network (RN) was introduced, it has led to the discovery of several new protocols, which have been consistently improved by researchers to overcome many constraints such as throughput, capacity bound, symbol error rate, outage probability, and power allocations. Meanwhile, network coding (NC) was invented as an efficie...

This paper presents a relay selection for decode-and-forward based on network coding (DF-NC) and analog-NC protocols in general scheme of cellular network system. In the propose scheme the two source node simultaneously transmit their own information to all the relays as well as the destination node, and then, a single relay i.e. best with a minimu...

Realistic mobility dynamics and underlying PHY/MAC layer implementation affect real deployment of routing protocols in vehicular ad hoc network (VANET). Currently, dedicated short range communication devices are using wireless access in vehicular environment (WAVE) mode of operation, but now IEEE is standardizing 802.11p WAVE. This work presents an...

In recent times, there have been many advances in the field of information theory and wireless ad hoc network technologies. Regarding information theory progression and its connection with wireless ad hoc networks, this study presents fundamental concepts related to the application of the state-of-the-art Network Coding (NC) within wireless ad hoc...

Novel metallic Zn hexagonal hollow microprisms have been synthesized by a simple thermal evaporation technique using NH3 as a carrier gas under atmospheric pressure. As-prepared hollow microprisms were characterized using X-ray diffraction, energy dispersive X-ray spectroscopy, scanning electron microscopy and transmission electron microscopy. The...

The effect of different soil types was studied on the movement and infection rate of Tylenchulus semipenetrans on citrus. The maximum movement and infection rate was observed in loamy sand in both top (6 cm) and lower (6 cm) halves of the pots, followed by sandy loam and coarse sand, respectively. Sand-peat (2:1) allowed the minimum number of femal...