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Notice of Retraction
After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE's Publication Principles.
We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.
The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.
In the ubiquitous learning environment, how to provide learners with the right resources at the right time in the right way becomes a hot topic in the field of educational technology. In this paper, we firstly explain the connotation of the context and ontology-based context model; secondly, we address context acquisition mechanism for collecting contextual information at run time; finally, we introduce a prototype of the learning resources retrieval model based on context aware, and analysis the work process of the model combined with specific case.