Property Graph简介
来源:互联网 发布:电吉他入门 知乎 编辑:程序博客网 时间:2024/06/03 16:56
(内容摘自https://github.com/tinkerpop/blueprints/wiki/Property-Graph-Model)
A property graph has these elements:
- a set of vertices
- each vertex has a unique identifier.
- each vertex has a set of outgoing edges.
- each vertex has a set of incoming edges.
- each vertex has a collection of properties defined by a map from key to value.
- a set of edges
- each edge has a unique identifier.
- each edge has an outgoing tail vertex.
- each edge has an incoming head vertex.
- each edge has a label that denotes the type of relationship between its two vertices.
- each edge has a collection of properties defined by a map from key to value.
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