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- W3005767986 abstract "Classification and recognition of graph data are crucial problems in many fields, such as bioinformatics, chemoinformatics and data mining. In graph kernel-based classification methods, the similarity among substructures is not fully considered; in addition, poorly discriminative substructures will affect the graph classification accuracy. To improve the graph classification accuracy, we propose a feature reduction algorithm based on semantic similarity for graph classification in this paper. In the algorithm, we first learn vector representations of subtree patterns using neural language models and then merge semantically similar subtree patterns into a new feature. We then provide a new feature discrimination score to select highly discriminative features. Comprehensive experiments on real datasets demonstrate that the proposed algorithm achieves a significant improvement in classification accuracy over compared graph classification methods." @default.
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- W3005767986 date "2020-07-01" @default.
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- W3005767986 title "Feature reduction based on semantic similarity for graph classification" @default.
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- W3005767986 doi "https://doi.org/10.1016/j.neucom.2020.02.047" @default.
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