Abstract. Current Learning Management Systems were typically conceived to offer a self-contained "one size fits all" learning environment. Adaptive educational systems have been exhaustively studied and proposed to satisfy the different needs of students, but they have a poor presence in the LMS market due to integration issues. The emerging trend in the web is toward combining very specialised services into highly personalised environments, and LMS are no exception. This paper presents the Generic Service Integration architecture conceived to embed the use of any third party service as a regular resource in a learning experience. A course author includes a description with the required functionality and the appropriate service is searched and instantiated at enactment time. A case study is presented where Google Forms are used to implement assessment in a IMS Learning Design based course, and adapt its content based on the obtained results. Key words: IMS Learning Design, ad...