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O'Reilly Platform
book
数据分析之图算法: 基于Spark和Neo4j
by
Mark Needham
,
Amy E. Hodler
September 2020
Intermediate to advanced
213 pages
5h 25m
Chinese
Posts & Telecom Press
Content preview from
数据分析之图算法: 基于Spark和Neo4j
11
第
2
章
图论及其概念
本章介绍全书内容设置、图算法相关术语和图论的基础知识,重点解释与图论研究人员关
系最密切的那些概念。
首先介绍图的表示方法,然后介绍不同类型的图及其性质。这些内容非常重要,因为图的
特征决定了对算法的选择,也有助于理解算法的结果。本章最后将概述本书拟详细介绍的
各种图算法类型。
2.1
术语
标记属性图
是一种流行的图数据建模方法。
标签
将节点标记为群组的一部分。图
2-1
有两组节点:
Person
和
Car
。(在经典图论中,标
签仅适用于单个节点,而现在通常可用于表示一组节点。)关系可按照
关系类型
进行分类。
本例中的关系类型有
DRIVES
、
OWNS
、
LIVES_WITH
和
MARRIED_TO
。
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Publisher Resources
ISBN: 9787115546678