问题: 葱属有多少种？属于什么科？
Cypher查询:
match (:ENTITY{name:'葱属]'})-[:Relationship{name:'种'}]->(n) return n.name as name union all match (:ENTITY{name:'葱属'})-[:Relationship{name:'科'}]->(m) return m.name as name
查询结果:
石蒜科