问题: 铬铁矿的硬度和比重是多少？
Cypher查询:
match (:ENTITY{name:'铬铁矿'})-[:Relationship{name:'硬度'}]->(n) return n.name as name union all match (:ENTITY{name:'铬铁矿'})-[:Relationship{name:'比重'}]->(m) return m.name as name
查询结果:
5.5-6.5
4.3-4.8g/cm3