In your GNN dependency parsing paper : https://www.aclweb.org/anthology/P19-1237
You say that your implementation is publicly available on github.com :)
"Our implementation is publicly available at: https: //github.com/AntNLP/gnn-dep-parsing"
But github.com/AntNLP/gnn-dep-parsing seems to not exists or be private.
Please open source it!