**Author details**

Vijayalakshmi Kakulapati Sreenidhi Institute of Science and Technology, Hyderabad, Telangana, India

\*Address all correspondence to: vldms@yahoo.com

© 2021 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

*Knowledge Extraction from Open Data Repository DOI: http://dx.doi.org/10.5772/intechopen.100234*
