用neo4j Graph学算法
创建节点
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CREATE (algorithm:Algorithm {name: 'a'})
CREATE (structure:Structure {name: 'a'})
CREATE (problem:Problem {source:'lc', number:1})
创建关系
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MATCH (a:Structure),(b:Problem)
WHERE a.name = 'a' AND b.source = 'lc' AND b.number = 1
CREATE (a)-[r:EXAMPLE_PROBLEM] -> (b)
RETURN r
MATCH (a:Problem),(b:Problem)
WHERE a.source = 'lc' AND a.number =1 AND b.source = 'b' AND b.number = 1
CREATE (a)-[r:PROBLEM_LINK] -> (b)
RETURN r