[Retracted] IoT Applications for Recommended Methods of Physical Education Online Course Resources Based on Collaborative Filtering Technology

<div>Recommendation system categories.</div>

Wireless Communications and Mobile Computing

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Figure 2

Figure 2: [Retracted] IoT Applications for Recommended Methods of Physical Education Online Course Resources Based on Collaborative Filtering Technology 

Figure 2 | [Retracted] IoT Applications for Recommended Methods of Physical Education Online Course Resources Based on Collaborative Filtering Technology 