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Abstract—In this work, we identified activities relevant to the adaptation of Service Based Applications (SBAs) from existing service engineering approaches as well as activities relevant to the software maintenance process. We then mapped these two sets of activities to a reference life-cycle model from a Large European project. The results highlight the software maintenance techniques that can be reused or tailored for SBA adaptation, and point out the gaps that demand further research. The findings of this research may provide input for improving existing service engineering approaches to fulfill the need of adaptation. Index Terms—Service-Based Application Life-Cycle, Service Adaptation, Maintenance Process