An adaptive spark-based framework for querying large-scale NoSQL and relational databases

• Eman Khashan ,

  Roles Investigation, Methodology, Validation, Writing – original draft

  * E-mail: eng.emankhashan@gmail.com

  Affiliation Department of Computers and Systems, Faculty of Engineering, Mansoura University Mansoura, Egypt

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• Ali Eldesouky,

  Roles Formal analysis, Project administration

  Affiliation Department of Computers and Systems, Faculty of Engineering, Mansoura University Mansoura, Egypt

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• Sally Elghamrawy

  Roles Investigation, Resources, Software, Supervision, Visualization, Writing – review & editing

  Affiliation Department of Computer Engineering, MISR Higher Institute for Engineering & Technology, Mansoura, Egypt

  https://orcid.org/0000-0002-5430-390X

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