E-Business and Telecommunications: 19th International Conference, ICSBT 2022, Lisbon, Portugal, July 14–16, 2022, and 19th International Conference, SECRYPT 2022, Lisbon, Portugal, July 11-13, 2022, Revised Selected Papers

Smart Business Technologies: 20th International Conference, ICSBT 2023, Rome, Italy, July 11–13, 2023, Revised Selected Papers

Smart Business Technologies: 21st International Conference, ICSBT 2024, Dijon, France, July 9–11, 2024, Revised Selected Papers

Knowledge Integration: The Practice of Knowledge Management in Small and Medium Enterprises