Research Publications Authored by SLIIT Staff
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This collection includes all SLIIT staff publications presented at external conferences and published in external journals. The materials are organized by faculty to facilitate easy retrieval.
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Publication Open Access Impact of economic globalisation on valueadded agriculture, globally(PLoS ONE, 2023-07-21) Sansika, N; Sandumini, R; Kariyawasam, C; Bandara, T; Wisenthige, K; Jayathilaka, REconomic globalisation is the integration of national economies into the global economy through the increasing flow of goods, services, capital, and technology across borders and it has contributed to garnering a significant portion of most nations’ national income, although its agricultural value-added aspect has yet to be maximised. This pioneering study explores the impact of economic globalisation on value-added agriculture in a global context based on countries’ income levels. Panel data regression with the stepwise method was employed to quantify the impact of economic globalization on agriculture value added in 101 countries between 2000 and 2021. The findings of our study reveal that economic globalisation, through various channels such as fertilizer consumption, employment in agriculture, agriculture raw materials export and import, exchange rate, and foreign direct investment, significantly influences the agricultural value-added factor globally and across different income levels. Furthermore, the results show that agricultural employment significantly impacts the agricultural value-added factor globally and across all income levels. Also, countries with low and lower-middle-income levels significantly affect agricultural value-added due to exchange rates. In comparison, high-income and lower-middle-income levels have an impact due to foreign direct investment. Finally, the upper-middle-income countries have significantly affected agricultural value-added due to agricultural raw materials imports. This study confirms that employment in agriculture, exchange rate and foreign direct investments positively impact agriculture value-added on the global level and based on the income level of countries.Publication Embargo Impact of Critical Success Factors in Oracle EBS Enterprise Resource Planning Post Go Live Implementation:A Case Study on SriLankan Airlines(IEEE, 2022-06-14) Dissanayake, I; Thelijjagoda, SIn today’s business world, ERP does everything from recording transaction data, managing workflows, analyzing data to provide insights to decision makers for effective decision making. Selection of a right ERP, proper testing and post go live could be a major scale system implementation for any organization. Thus, it is extremely beneficial to evaluate and test the Critical Success Factors (CSFs) in order to ensure a successful ERP post go live implementation. The primary goal of this study is to determine the impact of Critical Success Factors that influence for a successful post go live ERP implementation in the context of the national airline of Sri Lanka which is SriLankan Airlines. Three critical success factors were identified through this study. This study aims on Adequate end user training, Business Process Management (BPM) and Top Management Support as CSFs. The findings have verified that the ERP implementation success is influenced by the Top Management Support, Business Process Management and adequate end user trainings. Out of the identified three CSFs, it is statistically proven that the adequate end user training takes a significantly prominent place for a successful post go live implementation while BPM and Top Management Support also equally contribute to drive an ERP implementation project with expected outcomes. This study could be a guidance for enterprises, be beneficial to ERP clienteles, ERP consultants and service providers, be added to the existing body of knowledge.Publication Embargo Identification of the Impact on Road Roughness on Speed Patterns for Different Roadway Segments(IEEE, 2020-07-28) Abeygunawardhana, C; Sandamal, R. M. K; Pasindu, H. RPavement surface condition is one of the factors that affect driver comfort, operation speed, service volume, and traffic safety. Even though several studies have conducted recently to find the effect of different roadway characteristics on traffic stream performance, not many were focused on the impact of road roughness on operating speeds. Therefore, this research will investigate the impact on road roughness on speed patterns for different roadway segments under different flow levels. The unevenness of a road is measured as road roughness and it has been globally accepted as a metric to evaluate the pavement condition and it relates to the conditions perceived by the road users. In addition to the user discomfort, rough roads would result in, speed reduction and an increase in vehicle operating costs. International Roughness Index (IRI) measured by smartphone application is used as the indicator for road roughness in this study. The effect of road roughness is investigated at Free Flow Speed (85 th percentile speed) and 50 th percentile speed which is determined using the speed distributions that occurred during specific time intervals. Further, the abovementioned behavior is analyzed separately for junctions, mid-block sections, and horizontal curves to represent different roadway conditions.Publication Embargo SmartCop: an automated platform to mitigate the impact of road accidents(IEEE, 2020-12-01) Sewwandi, A. K. T; Dissanayake, D. M. K. P; Navanjani, D. H. K. H; Shangavie, R; Rankothge, W. H; Gamage, NRoad accidents have become one of the major issues both locally and globally as they cause many deaths, injuries, fatalities, and economic deprivation. Major reasons for the rapid increase in road accidents are not only the negligence of public unawareness, but also the improper scheduling and enforcement of traffic police officers to control the traffic. In this paper, we have proposed the SmartCop platform to mitigate the impact of road accidents with four modules: (1) predict road accidents, (2) recommend and schedule police officers, (3) enhance road accidents prevention awareness using a game-based learning approach, and (4) enhance road accidents response awareness using a game-based learning approach. We have used supervised/unsupervised learning, optimization techniques, and game-based learning approaches to implement the above-mentioned modules. Our results show that, using our proposed modules, the road safety related services can be automated efficiently and effectively.Publication Embargo Impact of non-functional requirements on the success of ubiquitous systems(IEEE, 2020-12-10) Sandeepani, S; Nawinna, D. PWith the recent advancements of technology, Ubiquitous Systems have rapidly become popular all over the world. It is a new paradigm that focuses on smooth integration of technology in human environments enabling users to access information and functionality anytime and anywhere. Software development companies nowadays increasingly invest in the ubiquitous system development projects in order to stay competitive and survive in the IT Industry. Success of ubiquitous system development projects heavily depends on Nonfunctional user requirements. Identification of the nonfunctional requirements is challenging since it represents the quality attributes of the system and are not directly measurable. This quantitative research aims to evaluate the different types of non-functional requirements that significantly contribute to the success of ubiquitous system development projects. This study was based on the data collected from the software industry in Sri Lanka. The results of this study indicate that both the product-related and organizational-related nonfunctional requirements strongly affect the ubiquitous systems success. The findings provide insights to the vendors of ubiquitous system development companies in the software industry.Publication Open Access Impact of change in head and neck position on ultrasound localisation of the cricothyroid membrane: an observational study(http://www.anaesthesiacorrespondence.com, 2019-01) Dixit, A; Ramaswamy, K. K; Perera, S. V. T; Sukumar, V; Frerk, CThe ideal position for performing surgical cricothyroidotomy is with full neck extension. Some authors have recommended marking the cricothyroid membrane before general anaesthesia, typically with the patient's head and neck in a neutral position. The primary aim of this observational study was to determine whether skin marks made over the centre of the cricothyroid membrane with the head and neck in the neutral position moved outside the boundaries of the membrane when the neck was subsequently extended. The secondary aim was to assess changes in the height of the cricothyroid membrane between the neutral and extended positions. Twenty-two volunteers completed the study. With the head and neck in the neutral position, the distance between the upper and lower borders (‘height’) of the cricothyroid membrane was measured by a radiologist using ultrasound. The skin was marked over the mid-point of the membrane. The subject then maximally extended the neck, and the measurements and marking were repeated. The skin marking over the centre point of the cricothyroid membrane moved by median (IQR [range]) 5 (4–6 [0–10]) mm when the head and neck were moved from a neutral to a fully extended position. The initial skin mark moved to lie outside the boundary of the cricothyroid membrane in 12 of 22 subjects after extending the neck. The height of the cricothyroid membrane increased by 30% with the neck extended. We recommend that marking the skin in preparation for cricothyroidotomy should be performed with the neck extended, not with the head and neck in the neutral position as previously suggested.Publication Embargo Impact of E-Learning System User Interface Design on User Satisfaction(IEEE, 2021-09-30) Senevirathne, G; Manathunga, KInterface design is a mandatory aspect influencing the success of an e-Learning system implementation. User interface (UI) design of e-learning is a point of interaction between user and computer software. Users prefer more attractive and simpler interface designs rather than dull or complex designs. This study aims to outline the impact of UI design on the satisfaction of learners. Specifically, this study will be evaluating different user interaction design strategies such as ease of navigation, ease of resource discoverability, ease of configuring integrated tools etc. in e-learning platforms such as learning management systems, and massive open online courses (MOOCs). Further, this research aims to find answers for the challenges and issues faced by students and teachers when using e-learning platforms. A comprehensive questionnaire was distributed among teachers and students. Collected data was analyzed to get an idea about main interface design problems that frustrate the learners and teachers and distract them from educational tasks. Using this statistical analysis results, a model is proposed indicating success factors and failure factors that may affect to e-learning system interface designing. Moreover, this research also results in a set of guidelines or suggestions that can be followed to improve UI designing in e-learning platforms. Finally, an initial prototype implementation capable of recommending suggestions intelligently for e-learning platform designers and users is proposed after modelling the user satisfaction factors.Publication Open Access Impact of urbanization on earth resources in suburbs of Colombo, Sri Lanka(NSF: Colombo, 2019) Rathnayake, U. SClimate change is believed to be a critical issue and there is enough evidence to identify the impact of climate change. Sri Lanka is expected to be one of the most affected countries from adverse impact of climate change. Various climatic models propose a rise of rainfall intensity to south Asian region while the number of rainy days are to be reduced. Therefore, the necessity is raised to find the clear trends in climatic factors in the region. However, a very few research work was carried out to see the climatic changes over the last few decades in Sri Lanka. Temporal variation of precipitation (rainfall) can be a good indicator to identify the trends in climate. In addition, these rainfall variations are used in many engineering aspects, including design of massive civil engineering structures like dams, design of water supply networks, etc. Furthermore, the rainfall variations are not only important in engineering aspects but also heavily in agriculture. Therefore, this research work targets to find the temporal variations of rainfall n Sri Lanka and then, to project the results to the available water resources.