This book constitutes the refereed proceedings of the 25th International Conference on Knowledge Engineering and Knowledge Management, EKAW 2026, held in Turin, Italy, during September 29–October 1, 2026.

The 18 full papers presented together with 5 short papers were carefully reviewed and selected from 78 submissions.

The papers cover all aspects of development of systems and services for the semantic web, knowledge management, knowledge discovery, information integration, natural language processing, intelligent systems, e-business, e-health, digital humanities, cultural heritage, and related fields.