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Like any other complex software system, Service Based Systems (SBSs) must evolve to fit new user requirements and execution contexts. The changes resulting from the evolution of SBSs may degrade their design and quality of service (QoS) and may often cause the appearance of common poor solutions, called Antipatterns. Antipatterns resulting from these changes also hinder the future maintenance and evolution of SBSs. The automatic detection of antipatterns is thus important to assess the design and QoS of SBSs and ease their maintenance and evolution. However, methods and techniques for the detection of antipatterns in SBSs are still in their infancy despite their importance. In this paper, we introduce a novel and innovative approach supported by a framework for specifying and detecting antipatterns in SBSs. Using our approach, we specify 10 well-known and common antipatterns, including …