This book constitutes the refereed proceedings of the 23rd International Conference on Innovations for Community Services, I4CS 2023, held in Bamberg, Germany, in September 2023. The 15 full papers and 4 short papers presented in this volume were carefully reviewed and selected from 38 submissions. One invited talk in full-paper length is included in the volume. The papers focus on topics such as distributed architectures and frameworks for community services, advanced applications regarding digital communities on the move, new trends of socialization covering the ambient work and living of digital societies.

This book constitutes the refereed proceedings of the 21st International Conference on Innovations for Community Services, I4CS 2021, held in Bamberg, Germany, in May 2021 as a hybrid event. The 14 full papers and 2 short papers presented in this volume were carefully reviewed and selected from 43 submissions. One short invited paper is also included. The papers focus on topics such as services for critical infrastructure; network architecture for communities; applications and services supporting work and life; community data and visualization; technology empowers industry processes; and future community support.

This book constitutes the proceedings of the 19th International GI/ITG Conference on Measurement, Modelling and Evaluation of Computing Systems, MMB 2018, held in Erlangen, Germany, in February 2018. The 16 full papers, 4 PhD track papers, and 9 tool papers presented in this volume were carefully reviewed and selected from 42 submissions. They are dealing with performance and dependability evaluation techniques for computer and communication systems and its related fields.