This book constitutes the refereed proceedings of the 10th International Conference on Open Semantic Technologies for Intelligent System, OSTIS 2020, held in Minsk, Belarus, in February 2020.

Artificial Intelligence standardization is a key challenge for the technologies of the future.- Tools and technologies for creating artificial intelligence systems. What should they be?.- Convergence of Applied Intelligent Systems with Cognitive Component.- Cognitive Knowledge Discovery in Social Sciences.- Ontological approach for standards development within Industry 4.0.- Neuro-symbolic articial intelligence: application for control the quality of product labeling.- Decision-Making Systems based on Semantic Image Analysis.- Intelligent voice assistant based on open semantic technology.- Ontological approach for Chinese language interface design.- Ontological approach for question generation and knowledge control.- Plagiarism Problem Solving based on Combinatory Semantic.- User Prole Ontological Modelling by Wiki-based Semantic Similarity.- Decision Making and Control of a Cognitive Agent's Knowledge Process under Time Constraints.- Interactive Adaptation of Digital Fields in the System GeoBazaDannych.- Neural network data processing technology based on deep belief networks.- Hybrid Intelligent Multi-agent System for Power Restoration.