arXiv AI By Gwang-Hyeon Yun, Jong-Hoon Park, Bing Hu, Helen Chen, Anita Layton, Young-Rae Cho

Multi-View Molecular Representation Learning with Hierarchical Graphs and Contextualized Fingerprints

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arXiv Machine Learning
3d ago

WEECFP-SuRGE: A Position-Aware Substructure Encoding Method for Molecular Property Prediction

WEECFP-SuRGE introduces a position‑aware substructure encoding method that combines tokenized hierarchical Morgan fingerprints with graph‑distance‑dependent rotations applied at the input and within transformer self‑attention. The approach captures local chemistry, long‑range interactions, and molecular topology without requiring external pretraining or 3‑D conformer generation. Benchmarks on MoleculeNet and the Therapeutic Data Commons ADMET datasets show competitive performance, and a reconstruction procedure correctly identifies constitutional isomers for 92.6% of a 4,200‑molecule library.

By Robert Epps