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Communication Dans Un Congrès Année : 2014

Incorporating Molecule's Stereisomerism within the Machine Learning Framework

Résumé

An important field of chemoinformatics consists in the prediction of molecule's properties, and within this field, graph kernels constitute a powerful framework thanks to their ability to combine a natural encoding of molecules by graphs, with classical statistical tools. Unfortunately some molecules encoded by a same graph and differing only by the three dimensional orientation of their atoms in space have different properties. Such molecules are called stereoisomers. These latter properties can not be predicted by usual graph methods which do not encode stereoisomerism. In this paper we propose to encode the stereoisomerism property of each atom of a molecule by a local subgraph. A kernel between bags of such subgraphs provides a similarity measure incorporating stereoisomerism properties. We then propose two extensions of this kernel incorporating in each sub graph information about its surroundings.
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Dates et versions

hal-01059521 , version 1 (01-09-2014)

Identifiants

  • HAL Id : hal-01059521 , version 1

Citer

Pierre-Anthony Grenier, Luc Brun, Didier Villemin. Incorporating Molecule's Stereisomerism within the Machine Learning Framework. Joint IAPR International Workshop, S+SSPR 2014, Aug 2014, Joensuu, Finland. pp.12-21. ⟨hal-01059521⟩
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