From a context-based learning, libraries can provide KR adapted to each learning context. On the other hand, from an adaptive teaching, where all learners are different but, however, most educational materials are the same for all, adaptive teaching technologies and KR should provide flexible study options to the students. Books chapters, articles, videos and other complementary material, available at the Library or that Library can search and provide, should let students to understand better the context they are studying and interacting with. At Open University of Catalonia (UOC) we are working hand-in-hand with teachers (meeting their needs and those of their students) in order to provide them tailored services and KR to contribute to the improvement of online learning. By Gema Santos-Hermosa (UOC)