This book constitutes the revised selected papers of the 16th Symposium and Summer School on Service-Oriented Computing, SummerSOC 2022, held in Hersonissos, Crete, Greece, in July 2022. The 8 full papers and 1 short paper presented in this volume were carefully reviewed and selected from 25 submissions. They were organized in topical sections as follows: Advanced Application Architecture; Data Science and Applications; and Quantum Computing.

This book constitutes the refereed proceedings of the 15th Symposium and Summer School on Service-Oriented Computing, SummerSOC 2021, held in September 2021. Due to the COVID-19 pandemic the conference was held online. The 9 full and 2 short papers were carefully reviewed and selected from 24 submissions. The papers are organized in topical secions on quantum computing; advanced application architecture; service-based applications.