Mapping Smart City and Industry 4.0 Research in Construction-Related Studies

Despite its potential to increase sustainability, productivity, and efficiency, the construction industrys adoption of the Smart City and Industry 4.0 (SC&I4) concept has been considered sluggish. Previous studies have clarifiedthat more study and development in this technology area is needed to increase its implementation in the completion of construction projects. The objective of this paperis to conduct a review of SC&I4 constructionrelated domains to identify the area of focus of previous studies.This study used a bibliometric approach, and the data were extracted from the Scopus database. The database was searched using keywords like “smartcity,” “Industry 4.0,” and “construction” to retrieve relevant documents. Based on the collected bibliographic data, a network and overlay visualisation map of the cooccurrence keywords was created using VOSviewer. The results showed that past studies prioritised SC&I4 project delivery, blockchain and sustainable development, and the Internet of Things. Additionally, the present focus of this fields research is moving toward a more digitalised application of SC&I4, particularly in blockchain technology. The results highlight a knowledge vacuum that developing nations, particularly those in South America, Asia, and Africa, might investigate to enhance the delivery of construction projects across the continent via SC&I4. This paper contributes to SC&I4discourse, which has not received much attention in recent bibliometric and scientometric studies.