280 страниц. 2011 год. LAP Lambert Academic Publishing This book covers the Web Services selection based on mathematical model. The Web Services architecture has been extended with a quality server which includes a quality matchmaker core component. The quality server implements the Euclidean Distance mathematical model in order to select the best service. The quality matchmaker matches the requester's quality requirements against the advertised quality information in order to select the best advertised service with the minimum distance.