{ "node_id": "neo4j-0ee8cb8ccd6f4a59bc20f9ccbf7d627e", "keywords": ["图数据结构", "七桥问题", "一笔画", "关联关系", "原生图存储", "属性图", "顶点", "节点", "边", "关系"], "children": [], "export": [ "graphdatabase.json", "usecases.json" ] }