MIŠÚT, Martin. Classification and Cluster Analysis of Big Data Ecosystem Implementation. In TIEES 2021. International Scientific Web-conference. TIEES 2021: Trends and Innovations in E-Business, Education and Security : Ninth International Scientific Web-conference of Scientists and PhD. Students or Candidates. - Bratislava : The Slovak Society for Economic Informatics, 2021. ISSN 2729-8493, pp. 95-108 online. VEGA 1/0373/18.