Medical text entity relationship extraction method and system based on syntactic analysis

The invention discloses a grammatical analysis-based medical text entity relationship extraction method and system, and belongs to the technical field of medical data processing. According to the method, the complexity of the medical relationship is considered, and in order to prevent the error result of entity extraction from influencing the relationship extraction, the relationship extraction is specifically arranged before the entity extraction. In the entity extraction process, cross attention is adopted to fuse the relation and the coding features, and relation and entity information interaction is increased. After the relation and the entity are extracted, semantic information is introduced by means of grammatical analysis, part-of-speech and grammatical information are fully utilized, and the entity relation extraction accuracy is improved. And an end-to-end model is adopted, and a sentence-level task is constructed, so that expression and learning of sentence semantics are facilitated. 本发明公开了一种基于语法分析的