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Preliminary Cleaning and Transformation of Data in Data Mining Using PHP Pthreads Library

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Computational Science and Its Applications – ICCSA 2017 (ICCSA 2017)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 10408))

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Abstract

The article deals with a special case of the preparation of data about the vehicles movements which comes in large volumes from the source to the accelerated applied methods of data mining. Data preparation goes through several stages from selecting the necessary fields and records to saving them with modified values into a new data structure. The source data which consist of 18 fields has a share of incorrect information and formats of numerical information that are not suitable for further processing. The source data is large in volume and processing it in the original form takes a very long time. The article shows how to use the pthreads library to organize multi-threaded processing of this data. To confirm the applicability of this library, the article presents the results of numerical experiments.

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References

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Acknowledgments

The paper has been prepared within the scope of the state project “Initiative scientific project” of the main part of the state plan of the Ministry of Education and Science of Russian Federation (task № 2.6553.2017/BCH Basic Part) as well as supported by grant of Russian Fund for Basic Research (16-07-00886).

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Authors and Affiliations

  1. Department of Computer Science and Engineering, Saint Petersburg Electrotechnical University “LETI”, St. Petersburg, Russia

    Yulia Shichkina & Alexander Koblov

  2. Saint Petersburg State University, St. Petersburg, Russia

    Yulia Shichkina, Kirill Lysov & Oleg Iakushkin

Authors
  1. Yulia Shichkina
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  2. Alexander Koblov
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  3. Kirill Lysov
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  4. Oleg Iakushkin
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Corresponding authors

Correspondence to Yulia Shichkina , Alexander Koblov or Kirill Lysov .

Editor information

Editors and Affiliations

  1. University of Perugia, Perugia, Italy

    Osvaldo Gervasi

  2. University of Basilicata, Potenza, Italy

    Beniamino Murgante

  3. Covenant University, Ota, Nigeria

    Sanjay Misra

  4. University of Trieste, Trieste, Italy

    Giuseppe Borruso

  5. Polytechnic University of Bari, Bari, Italy

    Carmelo M. Torre

  6. University of Minho, Braga, Portugal

    Ana Maria A.C. Rocha

  7. Monash University, Clayton, Victoria, Australia

    David Taniar

  8. Kyushu Sangyo University, Fukuoka, Japan

    Bernady O. Apduhan

  9. Saint Petersburg State University, Saint Petersburg, Russia

    Elena Stankova

  10. University of Trieste, Trieste, Italy

    Alfredo Cuzzocrea

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Shichkina, Y., Koblov, A., Lysov, K., Iakushkin, O. (2017). Preliminary Cleaning and Transformation of Data in Data Mining Using PHP Pthreads Library. In: Gervasi, O., et al. Computational Science and Its Applications – ICCSA 2017. ICCSA 2017. Lecture Notes in Computer Science(), vol 10408. Springer, Cham. https://doi.org/10.1007/978-3-319-62404-4_34

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  • DOI: https://doi.org/10.1007/978-3-319-62404-4_34

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-62403-7

  • Online ISBN: 978-3-319-62404-4

  • eBook Packages: Computer ScienceComputer Science (R0)

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