“…Although the discussion about artificial intelligence had already started, Sezer et al (2018) address the technologies to be used for low-cost predictive maintenance in SMEs. As Industry 4.0 is not limited to SMEs working in the manufacturing sector, Nowotarski and Paslawski (2017) started also to investigate the use of Industry 4.0 methods and technologies on-site in the construction industry, Weiß et al (2018) in the textile industry and Zambon et al (2019) in agriculture.…”