基于jena的知识推理机复现「建议收藏」

cd /root/xiazai;
unzip KG-demo-for-movie-master.zip;
# 移动到该路径，否则报错 The MySQL server is running with the --secure-file-priv option so it cannot execute this statement
cp ./KG-demo-for-movie-master/data/kg_demo_movie.sql /var/lib/mysql-files/;
mysql -u root -p
输入密码

create database kg_demo_movie;
use kg_demo_movie;
source /var/lib/mysql-files/kg_demo_movie.sql;
-- 查看结果
show databases;
exit

# 需要java version >= 1.5
java -version;
cd /root/xiazai;
tar -zxvf d2rq-0.8.1.tar.gz -C /opt;
tar -zvxf mysql-connector-java-5.1.47.tar.gz;
cp mysql-connector-java-5.1.47/mysql-connector-java-5.1.47-bin.jar /opt/d2rq-0.8.1/lib/;

cd /opt/d2rq-0.8.1;
# 注意！ 需要自行修改mysql连接密码
cp /root/xiazai/KG-demo-for-movie-master/kg_demo_movie_mapping.ttl ./
# 备忘：使用自带的工具生成.ttl文件
# ./generate-mapping -u root -p root -o test.ttl --verbose jdbc:mysql:///fzzk_use?useUnicode=true&characterEncoding=utf8&useSSL=false
./dump-rdf -o kg_demo_movie.nt kg_demo_movie_mapping.ttl;
# 测试
nohup ./d2r-server kg_demo_movie_mapping.ttl &
./d2r-query kg_demo_movie_mapping.ttl "SELECT * { ?s <http://www.kgdemo.com#hasActedIn> ?o } LIMIT 10";

cd /root/xiazai;
tar -zxvf apache-jena-3.12.0.tar.gz -C /opt/;
tar -zxvf apache-jena-fuseki-3.12.0.tar.gz -C /opt/;

# 使用jena将nt文件载入
cd /opt/apache-jena-3.12.0;
mkdir -p /data/jena/kg_demo_movie_database/;
./bin/tdbloader --loc=/data/jena/kg_demo_movie_database /opt/d2rq-0.8.1/kg_demo_movie.nt;

# 初始化jena-fuseki
cd /opt/apache-jena-fuseki-3.12.0/;
./fuseki-server
# ctrl+z 运行后会自动创建run文件夹
# 开启远程连接权限
sed -i 's/= localhostFilter/= anon/g' ./run/shiro.ini;

# 重点。更新原作者的配置文件
# 值得注意的是，这里不需要原作者从protege中导出的owl文件
echo '@prefix fuseki: <http://jena.apache.org/fuseki#> . @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . @prefix tdb: <http://jena.hpl.hp.com/2008/tdb#> . @prefix ja: <http://jena.hpl.hp.com/2005/11/Assembler#> . @prefix : <#> . <#service1> rdf:type fuseki:Service ; fuseki:name "kg_demo" ; # http://host:port/tdb fuseki:serviceQuery "sparql" ; # SPARQL query service fuseki:serviceQuery "query" ; # SPARQL query service (alt name) fuseki:serviceUpdate "update" ; # SPARQL update service fuseki:serviceUpload "upload" ; # Non-SPARQL upload service fuseki:serviceReadWriteGraphStore "data" ; # SPARQL Graph store protocol (read and write) # A separate read-only graph store endpoint: fuseki:serviceReadGraphStore "get" ; # SPARQL Graph store protocol (read only) fuseki:dataset <#dataset> ; . <#dataset> rdf:type ja:RDFDataset ; ja:defaultGraph <#modelInf> ; . <#modelInf> rdf:type ja:InfModel ; ja:reasoner [ ja:reasonerURL <http://jena.hpl.hp.com/2003/GenericRuleReasoner>; # ubuntu ja:rulesFrom <file:///opt/apache-jena-fuseki-3.12.0/run/databases/rules.ttl>; ]; ja:baseModel <#g> ; . <#g> rdf:type tdb:GraphTDB ; # ubuntu tdb:location "/data/jena/kg_demo_movie_database" ; tdb:unionDefaultGraph true ;' > ./run/configuration/fuseki_conf.ttl

# 重点。更新原作者的推理文件
echo '@prefix : <http://www.kgdemo.com#> . @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . [ruleComedian: (?p :hasActedIn ?m), (?m :hasGenre ?g), (?g :genreName "喜剧") -> (?p rdf:type :Comedian)] [ruleInverse: (?p :hasActedIn ?m) -> (?m :hasActor ?p)] ' > ./run/databases/rules.ttl;

# 直接启动即可，无需带参数
./fuseki-server
# 后台启动
# nohup ./fuseki-server >> /logs/jena_fuseki.log &

PREFIX : <http://www.kgdemo.com#>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>

SELECT ?n WHERE {
?x rdf:type :Comedian.
?x :personName ?n.
}
limit 10