Steel resource retrieval method, system and device based on knowledge graph

The invention relates to a steel resource retrieval method, system and device based on a knowledge graph, and the method comprises the steps: constructing and storing a retrieval knowledge graph which is used for carrying out steel commodity code retrieval according to the application and/or characteristics of steel, and constructing an incidence relation between a commodity code and an entity of a steel resource through the retrieval knowledge graph, the entities comprise uses and features; and obtaining to-be-retrieved steel purposes and/or features, and querying all commodity codes associated with the purposes and/or feature words from the retrieval knowledge graph. Compared with the prior art, the method has the advantages of high retrieval efficiency and accuracy and the like. 本发明涉及一种基于知识图谱的钢材资源检索方法、系统、装置，该方法包括：构建并存储用于根据钢材用途和/特征进行钢材商品码检索的检索知识图谱，所述的检索知识图谱构建了钢材资源的商品码和实体的关联关系，所述的实体包括用途、特征；获取待检索的钢材用途和/特征，从检索知识图谱中查询所有与该用途和/特征词相关联的商品码。与现有技术相比，本发明具有检索效率和准确度高等优点。