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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
10
|
第
1
章
下面是图分析和图算法的一些用例。你所面临的挑战与之相似吗?
•
调查传染病或级联传输故障的传播路径。
•
发现网络中最易受攻击或最易损坏的组件。
•
确定在传送信息或资源时速度最快、代价最小的方式。
•
预测数据中缺失的联系。
•
定位复杂系统中的直接影响和间接影响。
•
发现不可见的层级结构和依赖关系。
•
预测群组将合并还是分裂。
•
发现瓶颈及有权拒绝或提供更多资源的个体。
•
基于行为发现社团以进行个性化推荐。
•
减少欺诈和异常检测中的假正例。
•
为机器学习提取更多预测性特征。
1.6
小结
本章介绍了当今数据是如何紧密关联在一起的,以及其意义所在。在分析群组动态性和关
系方面,目前已经有了活跃的科学实践,但是相关工具在很多行业不常见。在评估先进的
分析技术时,应该考虑数据的本质特性,思考是否需要了解社团属性或预测复杂行为。如
果数据用于表示某个网络,就应该避免这样做,不要缩减要素以采用平均模型,而应该使
用与数据和所寻求的见解相匹配的工具。
第
2
章将介绍图的概念和术语。
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Publisher Resources
ISBN: 9787115546678