International Journal on Data Science and Technology

Volume 4, Issue 2, June 2018

  • Performance Engineering for Scientific Computing with R

    Hui Zhang

    Issue: Volume 4, Issue 2, June 2018
    Pages: 42-48
    Received: 25 June 2018
    Published: 26 June 2018
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    Abstract: R has been adopted as a popular data analysis and mining tool in many domain fields over the past decade. As Big Data overwhelms those fields, the computational needs and workload of existing R solutions increases significantly. With recent hardware and software developments, it is possible to enable massive parallelism with existing R solutions wi... Show More
  • Sentiment Analysis Using Text Mining: A Review

    Swati Redhu, Sangeet Srivastava, Barkha Bansal, Gaurav Gupta

    Issue: Volume 4, Issue 2, June 2018
    Pages: 49-53
    Received: 25 June 2018
    Published: 26 June 2018
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    Abstract: Text mining and sentiment analysis have received huge attention recently, specially because of the availability of vast data in form of text available on social media, e-commerce websites, blogs and other similar sources. This data is usually unstructured and contains noise, therefore the task of gaining information is complex and expensive. There ... Show More
  • The L(2, 1)-labeling on β-product of Graphs

    Kamesh Kumar

    Issue: Volume 4, Issue 2, June 2018
    Pages: 54-59
    Received: 11 May 2018
    Accepted: 1 June 2018
    Published: 3 July 2018
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    Abstract: The L(2, 1)-labeling (or distance two labeling) of a graph G is an integer labeling of G in which two vertices at distance one from each other must have labels differing by at least 2 and those vertices at distance two must differ by at least 1. The L(2, 1)-labeling number of G is the smallest number k such that G has an L(2, 1)-labeling with maxim... Show More
  • Research on Vehicle Lane-Change Driving Behavior Based on Optimal Velocity Model

    Ma Yu-yue, Wang Ji-zhong, Gao Li, Zhang Hui

    Issue: Volume 4, Issue 2, June 2018
    Pages: 60-66
    Received: 17 May 2018
    Accepted: 1 June 2018
    Published: 4 July 2018
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    Abstract: Vehicle lane-change driving behavior affects the safety of vehicle driving and the stability of traffic flow, and it has great significance to establish a reasonable lane-change driving behavior model for studying lane-change driving characteristics and developing driver assistance system. The influence of the associated vehicle driving state on th... Show More
  • Multilevel Modelling of Determinants of Youth Unemployment in Urban Ethiopia: Bayesian Estimation Approach

    Teshita Uke Chikako

    Issue: Volume 4, Issue 2, June 2018
    Pages: 67-78
    Received: 20 May 2018
    Accepted: 5 June 2018
    Published: 4 July 2018
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    Abstract: The main objective of this study was to identify and explain the effects of the Demographic and Socio-economic determinant factors of Youth unemployment in urban of Ethiopia. The data used for this study is the 2016 Ethiopian Urban Employment Unemployment Survey (UEUS) which was conducted by Central Statistical Agency (CSA) of Ethiopia. The statist... Show More