This book constitutes the refereed proceedings of the 17th World Congress on Services, SERVICES 2021, held as part of the Services Conference Federation, SCF 2021, in December 2021. The conference was held virtually due to the COVID-19 pandemic. The 7 full papers and 2 short papers presented were carefully reviewed and selected from 43 submissions. The papers cover topics in the field of Advertising Services, Banking Services, Broadcasting & Cable TV Service, Business Services, Communications Services, Government Services, Real Estate Operations Services, Schools and Education Services, Healthcare Services, and much more. weiterlesen