The amazing usage of Internet as a communication channel has changed the very structure of companies activities, being education a clear example of this situation. Though data mining has been successfully used to improve the 1-to-1 relationship in e-commerce sites, when applied to e-learning environments the results are often limited to provide the educator with access summary information or primitive patterns. In any case, information being obtained is not being used pro-actively. For environments to profit from the information obtained it has to be integrated in a global infrastructure. This paper presents the design of a data e-learning Web-house as supporting structure for future e-learning personalized systems.