Title	An Intelligent Gold Price Prediction Based on Automated Machine and k-fold Cross Validation Learning
Author	Yakubu S. Baguda and Hani Meateg Al-Jahdali
Citation	Vol. 21  No. 4  pp. 65-74
Keywords	Gold price, automated machine learning, prediction, neural network, cross validation

Title	The Concept of the Formation of the Teacher's Innovative Competence in the Space of Lifelong Education
Author	Olha Boiko, Svitlana Oborska, Kateryna Kyrylenko, Svitlana Cherevko, Olha Lebid, Viktoriia Kulko
Citation	Vol. 21  No. 4  pp. 59-64
Keywords	Lifelong Education, Teacher's Innovative, Modern School, educationl.

Title	Deconstructing Opinion Survey: A Case Study
Author	Entesar Alanazi
Citation	Vol. 21  No. 4  pp. 52-58
Keywords	Longitudinal Studies, Clustering, Opinion Diversity, Expert Opinion, Survey Opinion

Title	Information Technologies in Higher Education Institutions: Experience of Leading Countries of the World
Author	Nadiia Bachynska, Tetiana Novalska, Valerii Kuchnarov, Vladyslav Kasian, Halyna Salata, Grinberg Larysa
Citation	Vol. 21  No. 4  pp. 47-51
Keywords	information technology, communication technologies, education system, educational process.