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The software tool for creating the personal learning collections Collection Builder \cite{Anikin_KBSE2014} was designed and implemented within framework of proposed knowledge-based approach with employment of the object-oriented analysis and C\# language (Fig.~\ref{fig:cb1},~\ref{fig:cb2}). It allows to create the personal learning collection based on the learner profile and annotations of learning resources. The collection is visualized in tree-structured form in accordance with data domain structure defined with domain ontology (Fig.~\ref{fig:cb2}).