MolFusion: Multimodal Fusion Learning for Molecular Representations via Multi-granularity Views

Fuente: arXiv
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Autori principali: Cai, Muzhen, Zhao, Sendong, Wang, Haochun, Du, Yanrui, Qiang, Zewen, Qin, Bing, Liu, Ting
Natura: Preprint
Pubblicazione: 2024
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author Cai, Muzhen
Zhao, Sendong
Wang, Haochun
Du, Yanrui
Qiang, Zewen
Qin, Bing
Liu, Ting
author_facet Cai, Muzhen
Zhao, Sendong
Wang, Haochun
Du, Yanrui
Qiang, Zewen
Qin, Bing
Liu, Ting
contents Artificial Intelligence predicts drug properties by encoding drug molecules, aiding in the rapid screening of candidates. Different molecular representations, such as SMILES and molecule graphs, contain complementary information for molecular encoding. Thus exploiting complementary information from different molecular representations is one of the research priorities in molecular encoding. Most existing methods for combining molecular multi-modalities only use molecular-level information, making it hard to encode intra-molecular alignment information between different modalities. To address this issue, we propose a multi-granularity fusion method that is MolFusion. The proposed MolFusion consists of two key components: (1) MolSim, a molecular-level encoding component that achieves molecular-level alignment between different molecular representations. and (2) AtomAlign, an atomic-level encoding component that achieves atomic-level alignment between different molecular representations. Experimental results show that MolFusion effectively utilizes complementary multimodal information, leading to significant improvements in performance across various classification and regression tasks.
format Preprint
id arxiv_https___arxiv_org_abs_2406_18020
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle MolFusion: Multimodal Fusion Learning for Molecular Representations via Multi-granularity Views
Cai, Muzhen
Zhao, Sendong
Wang, Haochun
Du, Yanrui
Qiang, Zewen
Qin, Bing
Liu, Ting
Machine Learning
Artificial Intelligence
Chemical Physics
Artificial Intelligence predicts drug properties by encoding drug molecules, aiding in the rapid screening of candidates. Different molecular representations, such as SMILES and molecule graphs, contain complementary information for molecular encoding. Thus exploiting complementary information from different molecular representations is one of the research priorities in molecular encoding. Most existing methods for combining molecular multi-modalities only use molecular-level information, making it hard to encode intra-molecular alignment information between different modalities. To address this issue, we propose a multi-granularity fusion method that is MolFusion. The proposed MolFusion consists of two key components: (1) MolSim, a molecular-level encoding component that achieves molecular-level alignment between different molecular representations. and (2) AtomAlign, an atomic-level encoding component that achieves atomic-level alignment between different molecular representations. Experimental results show that MolFusion effectively utilizes complementary multimodal information, leading to significant improvements in performance across various classification and regression tasks.
title MolFusion: Multimodal Fusion Learning for Molecular Representations via Multi-granularity Views
topic Machine Learning
Artificial Intelligence
Chemical Physics
url https://arxiv.org/abs/2406.18020