no code implementations • 24 Jan 2022 • Kaveh Hassani, Amir Hosein Khasahmadi
Devising augmentations for graph contrastive learning is challenging due to their irregular structure, drastic distribution shifts, and nonequivalent feature spaces across datasets.
no code implementations • 23 Oct 2021 • Linh Tran, Amir Hosein Khasahmadi, Aditya Sanghi, Saeid Asgari
Learning interpretable and human-controllable representations that uncover factors of variation in data remains an ongoing key challenge in representation learning.
no code implementations • 1 Jan 2021 • Saeid Asgari, Kristy Choi, Amir Hosein Khasahmadi, Anirudh Goyal
A fundamental challenge in artificial intelligence is learning useful representations of data that yield good performance on a downstream classification task, without overfitting to spurious input features.
1 code implementation • 9 Jul 2020 • Saeid Asgari Taghanaki, Kaveh Hassani, Pradeep Kumar Jayaraman, Amir Hosein Khasahmadi, Tonya Custis
We show that coupling a PointMask layer with an arbitrary model can discern the points in the input space which contribute the most to the prediction score, thereby leading to interpretability.
3 code implementations • ICML 2020 • Kaveh Hassani, Amir Hosein Khasahmadi
We achieve new state-of-the-art results in self-supervised learning on 8 out of 8 node and graph classification benchmarks under the linear evaluation protocol.
2 code implementations • ICLR 2020 • Amir Hosein Khasahmadi, Kaveh Hassani, Parsa Moradi, Leo Lee, Quaid Morris
Graph neural networks (GNNs) are a class of deep models that operate on data with arbitrary topology represented as graphs.