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    Biomedical event causal relation extraction based on a knowledge-guided hierarchical graph network

    Biomedical Event Causal Relation Extraction (BECRE) is a challenging task in biological information extraction and plays a crucial role to serve for knowledge base and knowledge graph construction. Here a biom...

    Beibei Zhang, Lishuang Li, Dingxin Song, Yang Zhao in Soft Computing (2023)