Power grid industry metadata information disambiguation method, system and device and storage medium

The invention discloses a power grid industry metadata information disambiguation method, system and device and a storage medium, and the method comprises the steps: collecting metadata information in a power grid system, removing redundant punctuation marks, presetting special characters, and obtaining processed metadata information; constructing a basic dictionary; according to the basic dictionary, performing word segmentation on the metadata information by adopting a Chinese word segmentation method based on a dictionary to obtain each segmented word of the metadata information; and performing named entity identification and entity chain index disambiguation on each segmented word, optimizing an entity chain index disambiguation result by utilizing a preset knowledge base, obtaining a final disambiguation result of the metadata information, and monitoring data security of the power grid system based on the final disambiguation result. According to the method, based on a model training mode, named entity i