Lautoka, Fiji

The University of Fiji
Lautoka, Fiji

The University of Fiji is a university based in Saweni, Lautoka, Fiji. It was established in December 2004 under academic leadership of the Fiji Institute of Applied Studies and financial sponsorship of the Arya Pratinidhi Sabha of Fiji, a Hindu religious organization dedicated to education. Its website describes it as a "private, nonpartisan and non-profit making university." On 14 February 2006, the Native Lands Trust Board signed a 99-year lease with the university for the 5-hectare property, for which the university paid F$100,000. The university agreed in return to provide two scholarships annually for the children of landowners.The University of Fiji honoured its first graduates in March 2008. Fiji's President Ratu Josefa Iloilovatu, who is also the University's Chancellor, spoke at the graduation ceremony, and commended the university for making it compulsory for all students to follow basic courses in Fijian and Hindi: “Our future depends on our ability and desire to understand each other better, to communicate with each other better, and to assist each other. Being able to communicate in each other’s language is vital for this.” Fijian is the language of the country's majority ethnic group, while Hindi is the main language of the largest ethnic minority. Wikipedia.

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Paliwal K.K.,Griffith University | Sharma A.,The University of Fiji | Sharma A.,Grifith University | Lyons J.,Griffith University | And 2 more authors.
IEEE Transactions on Nanobioscience | Year: 2014

In biological sciences, the deciphering of a three dimensional structure of a protein sequence is considered to be an important and challenging task. The identification of protein folds from primary protein sequences is an intermediate step in discovering the three dimensional structure of a protein. This can be done by utilizing feature extraction technique to accurately extract all the relevant information followed by employing a suitable classifier to label an unknown protein. In the past, several feature extraction techniques have been developed but with limited recognition accuracy only. In this study, we have developed a feature extraction technique based on tri-grams computed directly from Position Specific Scoring Matrices. The effectiveness of the feature extraction technique has been shown on two benchmark datasets. The proposed technique exhibits up to 4.4% improvement in protein fold recognition accuracy compared to the state-of-the-art feature extraction techniques. © 2002-2011 IEEE.

Mishra D.,Atilim University | Mishra A.,Atilim University | Mishra A.,The University of Fiji | Ostrovska S.,Atilim University
Information and Software Technology | Year: 2012

Context: Communication, collaboration and coordination are key enablers of software development and even more so in agile methods. The physical environment of the workspace plays a significant role in effective communication, collaboration, and coordination among people while developing software. Objective: In this paper, we have studied and further evaluated empirically the effect of different constituents of physical environment on communication, coordination, and collaboration, respectively. The study aims to provide a guideline for prospective agile software developers. Method: A survey was conducted among software developers at a software development organization. To collect data, a survey was carried out along with observations, and interviews. Results: It has been found that half cubicles are 'very effective' for the frequency of communication. Further, half cubicles were discovered 'effective' but not 'very effective' for the quality/effectiveness of communication. It is found that half-height cubicles and status boards are 'very effective' for the coordination among team members according to the survey. Communal/discussion space is found to be 'effective' but not 'very effective' for coordination among team members. Our analysis also reveals that half-height glass barriers are 'very effective' during the individuals problem-solving activities while working together as a team. Infact, such a physically open environment appears to improve communication, coordination, and collaboration. Conclusion: According to this study, an open working environment with only half-height glass barriers and communal space plays a major role in communication among team members. The presence of status boards significantly help in reducing unnecessary communication by providing the required information to individuals and therefore, in turn reduce distractions a team member may confront in their absence. As communication plays a significant role in improving coordination and collaboration, it is not surprising to find the effect of open working environment and status boards in improving coordination and collaboration. An open working environment increases the awareness among software developers e.g. who is doing what, what is on the agenda, what is taking place, etc. That in turn, improves coordination among them. A communal/discussion space helps in collaboration immensely. © 2012 Elsevier B.V. All rights reserved.

Habiba M.,IBM | Islam M.R.,Khulna University | Ali A.B.M.S.,The University of Fiji
2015 2nd Asia-Pacific World Congress on Computer Science and Engineering, APWC on CSE 2015 | Year: 2015

In this paper we have proposed an architecture of an efficient access control management component in order to enable Access Control Management as a Service (ACMaaS) for NoSQL based database used for Big Data as a service in case of enterprise solutions. In a trivial enterprise solution the security is more sensitive and there are multi-level of access control policies that need to be enforced on a single piece of data or resource. However, this access control is inherently complex when it is a part of Big Data as a service (BDaaS). In order to implement a successful framework for BDaaS, it is mandatory to provide real time and on-demand access control management approach that should take care of user identity, data integration, data sanitation, multi-tenancy, relation between accessing user, application or service and the target resource that is to be accessed, accurate management of policy conflict, dynamic organization of mutually exclusive as well as inclusive policies and service endpoint for flexible integration and configuration. In our proposed work, we have tried to focus on these requirements of a modern Big Data based access control management system. In addition, along with Big Data, NoSQL based database has brought more feature on table, implementing access control management in relation database and NoSQL database are completely different. Therefore, in this paper we have presented a NoSQL based access control management component. The proposed component can be easily integrated with existing BDaaS and can provide services for access control management. The component provides policy specification and generates dynamic policy based on permission and access control rules. Along with attribute, user role, field level access control rule, it also considers relations between data and accessor. © 2015 IEEE.

Saha T.K.,Jatiya Kabi Kazi Nazrul Islam University | Ali A.B.M.S.,The University of Fiji
Asia-Pacific World Congress on Computer Science and Engineering, APWC on CSE 2014 | Year: 2014

Cloud computing has been able to change the present style of computation all over the internet. This technology has proved itself as a blessing of computational science because of its ability for releasing massive computational and storage load with reducing cost from anywhere to any user and any time. Now the concern is how secured and reliable the service can be provided to its customers with lower cost. Throughout this research we have first reviewed some cloud storage research, cost minimization procedures and data security approaches used in the cloud. Here we propose a novel approach for reducing file storage size based on data to RGB image conversion technique. Then we apply multiple key cryptography (MKC) technique which also provides security to the cloud data. Lastly we have been able to show the cost minimization strategy in the cloud storage using data-to-image-to-data conversion procedure. This in turn helps power consumption in the cloud storage and thus also serves the purpose of green cloud computing. We have evaluated our approach using 10 different types of files within size of 1 MB where average file size reduction rate is 38.82%. © 2014 IEEE.

Ghani S.S.,The University of Fiji | Deo A.,The University of Fiji
Main Group Metal Chemistry | Year: 2014

Complexes of Co(II), Ni(II), Cu(II), and Zn(II) containing N2S2 ligand have been synthesized from the template condensation reaction between 1,2-ethanedithiol, o-bromoaniline and dimethyl tin dichloride in 1:2:1 molar ratio. It resulted in the formation of new series of 11-membered N2S2-Tin macrocyclic complexes [MLX2Sn(CH3)2] (M=Co(II) or Zn(II); X=Cl or NO3); and [MLSn(CH3)2]X2 (M=Ni(II) or Cu(II); X=Cl or NO3). The complexes were characterized using techniques including elemental analyses, IR, 1H NMR, 119Sn NMR, EPR, electronic spectral studies, conductivity, and magnetic susceptibility measurements. The reducing power of the Co(II) and Cu(II) complexes have been checked and compared. The complexes derived from nickel and copper have been found to show square-planar geometry, while octahedral geometry is projected for the cobalt and zinc complexes. © 2014 by De Gruyter 2014.

Kumar B.A.,The University of Fiji
Asia-Pacific World Congress on Computer Science and Engineering, APWC on CSE 2014 | Year: 2014

Mobile and other PDA devices allow us to access the World Wide Web anytime and anywhere. Developing dynamic web based applications for mobile devices is a challenging task, because these devices have limited computational resource such as CPU and Physical Memory. In order to overcome these limitations, we proposed layered architecture for the development of mobile web applications. This paper describes the architecture, design and implementation details. Experimental results demonstrate that proposed architecture can effectively reduce client side resource utilization by mobile web applications. © 2014 IEEE.

Shafiullah G.M.,Deakin University | Oo A.M.T.,Deakin University | Stojcevski A.,Deakin University | Shawkat Ali A.B.M.,The University of Fiji
Journal of Renewable and Sustainable Energy | Year: 2014

The advancement in solar photovoltaic (PV) technology, the cost and efficiency of PVs have encouraged users worldwide to adopt more and more PVs as it is free from greenhouse gas emissions and unlimited in nature. Integration of roof-top solar PV systems is currently emerging rapidly in Australia as the governments are giving attractive incentives and encouraging households to build a sustainable climate-friendly society for the future. The key major barriers to the integration of roof-top solar PV systems are the uncertainties in the performance of the low voltage distribution network due to the intermittent nature of solar PV sources. In this paper, a model was developed to investigate the potential technical impacts of integrating roof-top solar PV systems into the low voltage distribution network in a subtropical climate. The results show that integration of roof-top solar PV in the customer premises causes uncertainties such as voltage fluctuations, phase unbalance, distribution transformer overloading, reactive power compensation, and harmonic injections that detract the overall power quality of the typical distribution network. © 2014 AIP Publishing LLC.

Shafiullah G.M.,Deakin University | Oo A.M.T.,Deakin University | Ali A.B.M.S.,The University of Fiji | Wolfs P.,Central Queensland University | Stojcevski A.,Deakin University
Journal of Renewable and Sustainable Energy | Year: 2014

The abundance, availability, and climate-friendly characteristics of solar photovoltaic (PV) energy encourage nations around the globe to adopt it to assist in overcoming global warming as well as build a sustainable society for the future. The intermittent nature of solar energy generation and the associated power electronic inverters with connected consumer loads creates a number of potential challenges in integrating large-scale PV into the grid that affects power quality of the distribution networks. This paper investigates the impacts of varying PV integration into the grid through experimental and simulation studies. Initially, several experiments were conducted with varying PV penetration and load conditions using the Renewable Energy Integration Facility at CSIRO, Newcastle, Australia. Later, a simulation model was developed that mimics the experimental facility used at CSIRO to investigate the adverse impacts on integrating large-scale PV into the grid using the power system simulation software PSS Sincal. Experimental and simulation analyses clearly indicate that integration of PV into the grid causes power quality issues such as voltage instability, harmonic injection, and low power factor into the networks and the level of these impacts increases with the increase of PV penetration. © 2014 AIP Publishing LLC.

Deo A.,The University of Fiji | Ghani S.S.,The University of Fiji
Journal of Polymer Engineering | Year: 2015

A chitosan-based hydrogel network was crosslinked with genipin; the crosslinked and uncrosslinked hydrogels were prepared and studied. Uniformly distributed silver cluster particles (AgCPs) were prepared using these hydrogel networks as a carrier via in situ reduction of silver nitrate (AgNO3) in the presence of sodium borohydride (NaBH4) as a reducing agent; UV irradiation reduction was also done. Fourier transform infrared (FTIR) spectroscopy studies of the hydrogels gave results on the decree of crosslinking and some indication on the presence of the AgCPs. The spectrophotometric analysis indicated the presence of AgCPs, as a peak appeared around 400 nm. The microscopy analysis gave images of the presence of AgCPs and their size; it showed that the crosslinked hydrogels have uniformly distributed AgCPs and as the crosslinking increased, the AgCPs size decreased. The studies on the increasing concentration of AgNO3 solution gave an increase AgCPs size; the maximum size of AgCPs clusters was ∼0.2 micron in uncrosslinked chitosan. It was demonstrated, by using Escherichia coli (E. coli) bacterium, that the AgCPs hydrogel can be effectively employed as antibacterial material. © 2015 by De Gruyter.

Kilgas P.,The University of Fiji
Ornithological Science | Year: 2015

Although avian basal metabolic rate (BMR) has been widely used in interspecific comparative studies, the sources of within-species variation in this parameter are still relatively poorly understood. Individually differing levels of activity and stress responsiveness have been proposed as potential sources for such variation in BMR. Here, I used an open flow-through respirometry system to examine the possible correlates of the time it takes individual Laughing Doves Spilopelia senegalensis to reach lowest oxygen consumption level in a metabolic chamber (‘BMR time’). Also, the association between individual response to handling stress and BMR was studied. Breath rate, measured while holding the bird in hand, was used as a measure of stress response to handling. It was found that ‘BMR time’ was not related to BMR or breath rate. However, its values were positively predicted by individuals’ hematocrit. This indicates the potential importance of ‘BMR time’ as an indicator of activity. It was also found that breath rate was individually repeatable when two measurements were taken 12 hours apart. Breath rate was also positively related to BMR; however, the effect disappeared when mass-specific residuals of BMR were used. These results suggest that individual differences in response to standard handling stress probably do not affect BMR measurements. © The Ornithological Society of Japan 2014.

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