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Horcas-Aguilera, José Miguel Pinto-Alarcón, Mónica Pinilla, Mercedes 2016-10-24T10:41:09Z 2016-10-24T10:41:09Z 2016 http://hdl.handle.net/10630/12261 Cloud computing is becoming the predominant mechanism to seamlessly deploy applications with special requirements such as massive storage sharing or load balancing, usually provided as services by cloud platforms. A developer can improve the application’s delivery and productivity by following a multi tenancy approach, where variants of the same application can be quickly customized to the necessities of each tenant. However, managing the inherent variability existing in multitenant applications and, even more importantly, managing the evolution of a multi-tenant application with hundreds of tenants and thousands of different valid architectural configurations can become intractable if performed manually. In this paper we propose a product line architecture approach in which: (1) we use cardinality-based variability models to model each tenant as a clonable feature, (2) we automate the process of evolving the multi-tenant application architecture, and (3) we demonstrate that the implemented process is correct and efficient for a high number of tenants in a reasonable time. We use a running case study in the domain of medical software. spa open access by-nc-nd Minería de datos Product Line Architecture for Automatic Evolution of Multi-Tenant Applications conference output