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Thanks for your reply. I got a similar result for `A-Meta_Train`. Now I am just a little confused: 1. Why the attack result of `Meta-Self` is much better than `Meta-Train`...

Yes, theoretically the gradient w.r.t. A or ΔA should be the same. As for the symmetrization code, I compared `adj_changes_symm` and `self.adj_changes` rightly before [here](https://github.com/DSE-MSU/DeepRobust/blob/2a52969fb8b881ac5325a8d0a26a6880aa8b6a9b/deeprobust/graph/global_attack/mettack.py#L73) and found no difference. I...

I have the same question. When I run the train.py, I got the following error message: `(YYY) XXX\pytorch-maml-rl>python train.py --config configs/maml/halfcheetah-vel.yaml --output-folder maml-halfcheetah-vel --seed 1 --num-workers 8` >C:\XXX\envs\xxx\lib\site-packages\gym-0.17.1-py3.7.egg\gym\logger.py:30: UserWarning: WARN:...

Hi, @rusty1s I try to make [mutag_gin.py](https://github.com/pyg-team/pytorch_geometric/blob/master/examples/mutag_gin.py) output a deterministic result. Following the above suggestions, I have changed the dataset to SparseTensor, `edge_index` to `adj_t` and changed line 53 to...

It seems the `adj_recon_loss()` in the code is not correct. The order of the `adj_truth` and `adj_pred` should be switched (otherwise pytorch throw errors), and leave `F.binary_cross_entropy` untouched. After switching...

Thank you for the reply. I tried to modify the code to `n_edges=2` or `n_edges=3` here: https://github.com/Hanjun-Dai/graph_adversarial_attack/blob/f2aaad73efd142bcc20d5e8c43117e5359f9aa8e/code/graph_attack/dqn.py#L173 I also add one line `time_t = time_t % 2` before this line:...

Hi, I can see adding one edge in the code https://github.com/Hanjun-Dai/graph_adversarial_attack/blob/f2aaad73efd142bcc20d5e8c43117e5359f9aa8e/code/graph_attack/rl_common.py#L77 But I have not found where an edge is removed. Or the code did not implement edge removing? Thanks!

Thank you for your reply. For node attack, I only find adding edges: https://github.com/Hanjun-Dai/graph_adversarial_attack/blob/f2aaad73efd142bcc20d5e8c43117e5359f9aa8e/code/node_attack/node_attack_common.py#L33

Thank you for your reply. 1. Yes, I use `open with Firefox` after right clicking a pdf file. Is it possible after I open a pdf file this way, then...

Hi, Thanks for the interesting paper. Would you mind posting your testing code so possibly the paper results can be reproduced? I looked at the code `impute_citations.py` and it seems...