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RISTCON 2022: Recent submissions

  • An optimized computational water quality prediction model 
    Kolambage, C.S.; Jayalal, S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    Water is one of the most critical necessities for living beings. In the past, it was possible to consume water directly from water sources, but nowadays, it is impossible to do so as water quality has deteriorated at an ...
  • Comparative analysis of traditional load balancing algorithms in software-defined networks 
    Umasuthan, G.; Khedika, S.; Ramanan, M. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    Load Balancing is one of the efficiency measures of a network that are popular in data centers for efficient traffic management of huge data. Various load balancing algorithms are known to perform better in specific network ...
  • An automated defect identification and marking system for sail manufacturing industry using image processing technique 
    Sewwandi, R.U.; Chamari, R.M.L.; Liyanage, D.N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    Quality control is an essential and inevitable part of the production process. Defect detection in the sale-making tape is one of the most critical quality control measures in sail manufacturing. This study is based on a ...
  • Adopting blockchain technology to prevent the flow of counterfeit pharmaceuticals in Sri Lanka 
    Paththinige, P.W.; Rajapakse, C.C. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    Controlling the adverse effects of counterfeit pharmaceuticals requires ensuring the transparency of pharmaceutical supply chain. Blockchain technology has been widely recognized by supply chain researchers as an emerging ...
  • Word embedding-based sinhala news documents classification 
    Weerasiri, R.I.; Lorensuhewa, S.A.S.; Kalyani, M.A.L. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    News articles are increasing daily, and a huge number of text documents are added to the Internet. Manual classification of these documents has become an impossible task. In Sinhala news document classification, TF-IDF has ...
  • An improved machine learning approach for drug combination-based drug repositioning 
    Maralanda, A.M.M.R.Y.R.; Hameed, P.N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    Introducing a new drug to the market is time-consuming and costly. Therefore, reuse of existing drugs or drug combinations as therapeutics for diseases is identified to be much efficient and useful. This concept is known ...
  • Experimental investigation of compressive strength of lathe waste fiber concrete 
    Nawarathna, W.M.D.H.; Pabasara, W.G.A.; Liyanage, D.N.; Lakshitha, W.D.R. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    Industries are expanding at a faster rate due to the rapid growth of the population result in a surge of trash without proper management. Lathe steel scrap is a major waste material generated during different industry ...
  • Modelling temperature distribution analysis in a data center using computational fluid dynamics 
    Roche, A.N.N.; Gunawardana, K.G.S.H.; Vitharana, V.H.P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    Data centers contain electronic equipment for telecommunications and storage purposes. So, temperature maintenance is an important thing to avoid unnecessary breakdowns. This paper introduces the computational fluid dynamics ...
  • A preliminary study on the use of formant analysis of Sinhala vowel sounds for distinguishing caller's age 
    Pushpakumara, R.A.M.; Alwis, P.H.A.S.; Bodhika, J.A.P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    Automatic caller identification has become a challenging research problem due to its wide variety of applications. This study used formant analysis of Sinhala vowel sounds to identify caller’s age, mainly ranging from16 ...
  • An improved technique for distortion removal in Raman spectra using impulse response filter banks 
    Ajward, A.M. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    For accurate analysis and characterization of materials using Raman spectroscopy, it is often necessary to remove signal distortions, including the noise from the spectra, using a filter such as the Savitzky-Golay (SG) ...
  • An optimized method for making thin primary mirrors for industrial scale telescopes 
    Samararathna, K.G.; Withanage, N.S.D.; Amaradasa, H.D.S.; Prasadh, K.V.S.; De Silva, W.M.K.; Perera, H.A.D.S.D.; Mahanama, G.D.K. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    Fabrication of telescope primary mirrors is considered a costly and challenging process due to the optical precessions required in Astronomy. Conventionally, small telescope mirrors have been made from 3-5 cm thick ...
  • Time series model to predict the Leptospirosis outbreak in Kalutara district, Sri Lanka 
    Thanusika, T.; Selvabavitha, V.; Anuthrika, T. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    Leptospirosis is an infectious disease, contracted through animals, it leads to organ damage, specifically kidney damage. Increasing outbreaks have been reported recently from several countries. The disease is endemic in ...
  • Identifying the risk factors for COVID-19 mortality in Sri Lanka using mutual information 
    Gunasekara, E.M.C.S.; Udagedara, U.G.I.G.K.; Sudu Ambegedara, A.N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    COVID-19 is a pandemic that has taken over the whole world. This virus can easily spread from person-to-person similar to the case with Severe Acute Respiratory Syndrome (SARS-CoV). COVID-19 affects people in different ...
  • Assessment of plant growth performances of Capsicum frutescens L. (Chili plant) based on analysis of variance and ordinary differential equation model 
    Aththanayake, A.M.W.W.; Kodikara, K.A.S.; Prasangika, K.D.; Somathilaka, L.W. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    In plant growth-based research, significant differences are usually examined with the end result of plant growth parameters, for example, cumulative growth, total leaf area, stem diameter and root length. Under the conditions ...
  • Use of statistical quality control techniques 
    Bandara, S.M.C.N.; Jayasekara, L. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    The need for statistical quality control techniques in the competitive business environment has been felt more important than ever. Although the importance is highlighted, most of the medium-scale entrepreneurs are not ...
  • Influence of environmental factors on catch rates of flotsam associated Indian Scad (Decapterus Russelli) in the Indian Ocean 
    Hemasha, R.T.; Punyadewa, N.B.P.; Somathilaka, L.W.; Prasangika, K.D. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    The Indian Scad is an important Carangidae fish species caught in ring net, gillnet, and longline fishery. The fishes of the family Carangidae are one of the important fishery resources in Sri Lankan waters as they constitute ...
  • Popular repeated significance type of sequential tests for binary responses 
    Abirami, N.G.N.; Sooriyarachchi, M.R. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    Fixed sample clinical trials involve humans that are accumulated over a considerably large period of time in order to achieve the pre-specified sample size calculated prior to the study. These designs are somewhat impractical ...
  • Local stability properties of a delayed HIV-I virus dynamic model with saturation infection rate 
    Silva, P.D.N.; Pradeep, B.G.S.A. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    This study investigates the local stability properties of a virus dynamic model for HIV-I virus infection including saturation infection rate. The novel feature is that both the absorption effect and the cure rate are ...
  • Noise-induced stochastic transition 
    Liu, R.; Ma, W. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    The continuous culture of microorganisms is extensively used to produce some important commercial products. Hence, the collection of continuously cultured microorganisms is one important topic in the applications of ...
  • Estimating the empirical distributions of exchange rates volatility in Sri Lanka 
    Basnayake, B.R.P.M.; Chandrasekara, N.V. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
    The exchange rate is the worth of a country’s currency compared to another foreign currency. It is important to identify the empirical distribution of the exchange rates, as these rates are indicators of the economy of ...

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