This three-volume set CCIS 1755-1757 constitutes the refereed proceedings of the 4th International Conference on Applied Technologies, ICAT 2022, held in Quito, Ecuador, in November 2022. The 112 full papers included in this book were carefully reviewed and selected from 415 submissions. They were organized in topical sections as follows: human computing and information science, IT financial and business management.

This volume examines the role of textiles within the expanding global economy in the Age of European Exploration. Major themes include: the opening of new markets and responses to competition in the cloth trade, evolving techniques and modes of production, and changes in the patterns of consumption of local and imported cloth in a comparative, cross-cultural context.