This book constitutes the refereed post proceedings of the 16th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management, IC3K 2024, held in Porto, Portugal during November 17-19, 2024.

The 12 full papers and 5 short papers included in this book were carefully reviewed and selected from 175 submissions. They were organized in topical sections as follows: knowledge discovery and information retrieval; knowledge engineering and ontology development and knowledge management and information systems.