graphdb/neo4j与另一个关系或与3个节点的关系

你的问题是通过 hypergraphs . 但是由于neo4j不支持超图,所以需要对它们进行建模。例如:

CREATE (P1:Person {name: 'Tobey Maguire'})
CREATE (P2:Person {name: 'Nicholas Hammond'})
CREATE (CW1:CreativeWork {name: 'Spider-Man'})
CREATE (CW2:CreativeWork {name: 'The Amazing Spider-Man (TV Series)'})
CREATE (CH:Character {name: 'Spider-Man'})

CREATE (A1:Role)
CREATE (A2:Role)

CREATE (P1)-[:PLAYS_AS]->(A1)
CREATE (A1)-[:HAS_CHARACTER]->(CH)
CREATE (A1)-[:PLAYS_IN]->(CW1)

CREATE (P2)-[:PLAYS_AS]->(A2)
CREATE (A2)-[:HAS_CHARACTER]->(CH)
CREATE (A2)-[:PLAYS_IN]->(CW2)

使你的关系 Actor 和 Movie 一 rich relationship 在哪里 演员 谁 PLAYED_IN 一 电影 播放特定的 Role . 这个 角色 是作为一个单独的实体(关系实体)实现的,具有自己的属性,并且只有当 演员 和 电影 存在。

@NodeEntity
public class Actor {
    Long id;
    @Relationship(type="PLAYED_IN") private Role playedIn;
}

@RelationshipEntity(type = "PLAYED_IN")
public class Role {
    @Id @GeneratedValue   private Long relationshipId;
    @Property  private String title;
    @StartNode private Actor actor;
    @EndNode   private Movie movie;
}

@NodeEntity
public class Movie {
    private Long id;
    private String title;
}

(来自上述链接的令牌)