This article reports on the development of a framework for repurposing learning object components, more specifically components of slide presentations. Unlike the usual practice where learning object components are assembled manually, the framework enables on-the-fly access and repurposing of learning object components. In earlier work, we have developed an ontology that formalizes structural aspects of learning objects. In this article, we present a framework that disaggregates slide presentations into this ontology format and reassembles their components (e.g., definitions, references) into new slide presentations. (Contains 2 figures.)