Knowledge graph construction method and device in roadbed design field and storage medium

The invention discloses a knowledge graph construction method and device in the field of roadbed design and a storage medium, and belongs to the technical field of roadbed design. The method comprises the following steps: constructing a knowledge ontology taking roadbed knowledge as a core; obtaining original knowledge data; performing information extraction on the original knowledge data based on a knowledge ontology to generate associated entity data; performing knowledge disambiguation on the associated entity data through a synonym library to obtain target knowledge data; performing knowledge merging on the target knowledge data to obtain merged knowledge data; the combined knowledge data is subjected to knowledge processing of quality evaluation and knowledge reasoning to form a knowledge graph, knowledge in the field of roadbed design is stored in a unified format, a database displayed by the knowledge graph is formed, roadbed knowledge can be displayed more visually and vividly, ...