The system is described in detail in the paper that can be downloaded here.
@inproceedings{damonte2019gen,
title={Structural Neural Encoders for AMR-to-text Generation},
author={Damonte, Marco and Cohen, Shay B},
booktitle={Proceedings of NAACL},
year={2019}
}
If you see an ERROR message, make sure your AMR is well-formed.
Sentence:
Graph: