the metadata dataset can not be found

[grasslv]

when i deal with the dataset preprocessin, i find that this link can't be find [http://deepyeti.ucsd.edu/jianmo/amazon/index.html]

[hyp1231]

Thanks for catching the bug! I've updated the README and please refer to metadata links in the "Complete review data" table from https://nijianmo.github.io/amazon/index.html.