Abstract
It is a generic and exhaustive context ontology which provides the proprieties of context related to learning provided by our annotations memory. The context top level ontology is conceived to solve the limits and the insufficiencies of the existing context models. For a given learning objective and a given context, we must extract the adequate annotations from the annotations memory. We use then a mapping method for determining the similarities between a learning context (context top level ontology), annotation semantics (annotation top level ontology). the context top level ontology contains six facets. Four of these facets (user, activity, environment, collaboration) where defined by [9]. We add two more facets composition and objective to have an exhaustif context model which takes to account the context of reuse of learning and learning objective. This electronic document is a "live" template. The various components of your paper [title, text, heads, etc.] are already defined on the style sheet, as illustrated by the portions given in this document.