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spring-boot-neo4j-movies's Introduction

Spring-Boot-Neo4j-Movies

Spring-Boot集成Neo4j结合Spark的朴素贝叶斯分类器实现基于电影知识图谱的智能问答系统

升级Spark依赖,由原来的2.3升级到2.4,GitHub官方提醒> = 1.0.0,<= 2.3.2之间的版本容易受到攻击

spark2.4 == >scala2.11 and scala2.12


<!-- https://mvnrepository.com/artifact/org.apache.spark/spark-core -->
<dependency>
	<groupId>org.apache.spark</groupId>
	<artifactId>spark-core_2.12</artifactId>
	<version>2.4.0</version>
	<exclusions>
		<exclusion>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-log4j12</artifactId>
		</exclusion>
	</exclusions>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.spark/spark-mllib -->
<dependency>
	<groupId>org.apache.spark</groupId>
	<artifactId>spark-mllib_2.12</artifactId>
	<version>2.4.0</version>
</dependency>


如果down下来的demo在本地无法运行,请自行降低版本,保证本地spark环境的版本号和pom中的spark依赖的jar包版本一致!

运行图例:

效果展示

效果展示

效果展示

效果展示

效果展示

效果展示

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spring-boot-neo4j-movies's Issues

本地跑没问题,但是Neo4j部署在服务器上会出现连接问题建议补上如下代码

`import org.neo4j.ogm.session.SessionFactory;
import org.springframework.boot.autoconfigure.domain.EntityScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.neo4j.repository.config.EnableNeo4jRepositories;
import org.springframework.data.neo4j.transaction.Neo4jTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

/**

  • @author : yuting.hu

  • @Date : 2022/12/1 9:35
    */
    @configuration
    @EnableNeo4jRepositories(basePackages = "com.appleyk.repository")// 开启Neo4jRepositories的支持
    @EntityScan(basePackages = "com.appleyk.model")// 开启实体类扫描
    @EnableTransactionManagement // 开启事务
    public class Neo4jConfig {
    @bean
    public SessionFactory sessionFactory() {
    // with domain entity base package(s)
    return new SessionFactory(configuration(), "com.appleyk.model");
    }

    @bean
    public org.neo4j.ogm.config.Configuration configuration() {
    //配置Neo4j连接
    return new org.neo4j.ogm.config.Configuration.Builder()
    .uri("bolt://xxx.xxx.xxx.xxx:7687").credentials("neo4j", "xxxxx").build();
    }

    @bean
    public Neo4jTransactionManager transactionManager() {
    return new Neo4jTransactionManager(sessionFactory());
    }
    }
    `
    如果不加如下代码 neo4j的配置可能读不到yaml而是直接默认localhost:7687

运行后报错,报缺少文件question_classification.txt

项目运行后,输入 后发送,报错,
错误如下
java.io.FileNotFoundException: D:\git\project\Spring-Boot-Neo4j-Movies\data\question\question_classification.txt (系统找不到指定的路径。)

通过您博客第四步https://blog.csdn.net/Appleyk/article/details/80335536 中提到的https://github.com/hankcs/HanLP/releases 下载的data 压缩包里面没有question_classification.txt文件

请问该文件是如何生成的尼

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