International Journal on Data Science and Technology

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Volume 5, Issue 2, June 2019

  • Social Media Data Extraction Method Benchmarking Comparison

    Zhenhuan Sui

    Issue: Volume 5, Issue 2, June 2019
    Pages: 40-44
    Received: 7 April 2019
    Accepted: 13 August 2019
    Published: 28 August 2019
    DOI: 10.11648/j.ijdst.20190502.12
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    Abstract: Social media has become more and more widely used nowadays. As the most popular media, a lot of information spread through Twitter, especially given the fact that U.S. President Trump has used Twitter as his main official free news publication outlet. Therefore, social media platforms like Twitter have become the important sources to extract inform... Show More
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  • Effect of Faults on Kalman Filter of State Vectors in Linear Systems

    He Song, Shaolin Hu

    Issue: Volume 5, Issue 2, June 2019
    Pages: 45-56
    Received: 25 July 2019
    Accepted: 14 August 2019
    Published: 28 August 2019
    DOI: 10.11648/j.ijdst.20190502.13
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    Abstract: Kalman filter (KF) is composed of a set of recursion algorithms which can be used to estimate the optimal state of the linear system, and widely used in the control system, signal processing and other fields. In the practical application of the KF, it is an unavoidable problem that how faults or anomalies are infectious to the estimation value of s... Show More
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