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Overall good.

I specifically agreed with the future work section, I do believe regular neural net should have a reasonable performance in our method since a CNN-style network did.

Since we test PCA with Neural Net, it's kind of regretful we don't test a method that is similar to it but use PCA with logistic regression, which could be seen as another future work because this is essentially a simplification of PCA with Neural Net. Such method is also comparable to MF with logistic regression because they can be seen using different dimension reduce tools.