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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
124
|
第
7
章
•
超过
18.8
万户商家,涉及
140
万个属性。
•
覆盖
10
个大都市地区。
该数据集自发布以来广受欢迎,有数百篇学术论文使用了其中的数据。
Yelp
数据集代表了
具有良好数据结构且高度互联的真实数据。该数据集很适于展示图算法,你可以下载该数
据集并进行研究。
7.1.1
Yelp
社交网络
除了撰写和阅读关于商家的评论,
Yelp
用户还形成了一个社交网络。用户在浏览
Yelp
官
网时可以向遇到的其他用户发送好友请求,也可以关联其通讯录或
Facebook
图。
Yelp
数据集也含有社交网络。图
7-1
是
Mark
的
Yelp
个人资料中
Friends
部分的屏幕截图。
图
7-1
:
Mark
的
Yelp
个人资料
除了需要给
Mark
多添加几个朋友之外,其他一切都已经准备就绪了。为了说明如何在
Neo4j
中分析
Yelp
数据,这里考虑旅游信息提供商的工作场景。首先探查
Yelp
数据,然后
看看如何用应用程序帮助人们计划行程。本章将逐步介绍如何在像拉斯维加斯这样的大城
市里查找关于住宿和游玩的建议。
另一部分业务场景是为旅游目的地的商家提供咨询。下面通过示例说明如何帮助酒店识别
有影响力的客人,然后帮其确定应该针对哪些业务开展促销活动。
7.1.2
导入数据
将数据导入
Neo4j
有多种方法,包括使用导入工具、采用
LOAD CSV
命令(之前讲过)和
Neo4j
驱动程序等。
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Publisher Resources
ISBN: 9787115546678