Table 2: Comparison to existing approaches.

FeaturesOur approachQoS-based [9]Context-aware [10]

Main objectiveImprove processes efficiencyImprove performanceImprove adaptabilities
Service selection criteriaExecution info from process miningQoS goals from SaaS providersContext collected from equipment
Requirement accuracyHighLowHigh
NonfunctionalityMediumHighLow
Adaptability accuracyHighLowHigh
Performance accuracyImprovedImprovedMedium
NonfunctionalityMediumHighLow
Time costLowerLowerHigh
FlexibilityMediumMediumHigh
Optimization supportYesNoYes