• 搭建Jena Fuseki并执行SPARQL查询


    1. 下载Jena Fuseki:http://jena.apache.org/download/index.cgi

    2. 运行服务

    windows解压后双击fuseki-server.bat
    linux解压后运行命令

    java -jar fuseki-server.jar --update --loc /data/apache-jena-fuseki-3.5.0/run/databases/DB /ds  
    

    “–update”表示允许修改;“–loc”后面的参数,表示存放Fuseki数据的文件夹路径; “/ds”表示Fuseki服务的名字
    程序启动后默认在3030端口运行,http://localhost:3030

    3. 导入rdf文件

    新建test.rdf,复制以下内容

    <?xml version="1.0"?>
    <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
      xmlns:vCard="http://www.w3.org/2001/vcard-rdf/3.0#">
      <rdf:Description rdf:about="http://somewhere/MattJones/">
        <vCard:FN>Matt Jones</vCard:FN>
          <vCard:N rdf:parseType="Resource">
            <vCard:Family>Jones</vCard:Family>
            <vCard:Given>Matthew</vCard:Given>
          </vCard:N>
      </rdf:Description>
      <rdf:Description rdf:about="http://somewhere/RebeccaSmith/">
        <vCard:FN>Becky Smith</vCard:FN>
        <vCard:N rdf:parseType="Resource">
          <vCard:Family>Smith</vCard:Family>
          <vCard:Given>Rebecca</vCard:Given>
        </vCard:N>
      </rdf:Description>
      <rdf:Description rdf:about="http://somewhere/JohnSmith/">
        <vCard:FN>John Smith</vCard:FN>
        <vCard:N rdf:parseType="Resource">
          <vCard:Family>Smith</vCard:Family>
          <vCard:Given>Jones</vCard:Given>
        </vCard:N>
      </rdf:Description>
      <rdf:Description rdf:about="http://somewhere/SarahJones/">
        <vCard:FN>Sarah Jones</vCard:FN>
        <vCard:N rdf:parseType="Resource">
          <vCard:Family>Jones</vCard:Family>
          <vCard:Given>Sarah</vCard:Given>
        </vCard:N>
      </rdf:Description>
    </rdf:RDF>
    

    在fuseki界面新建database,并导入以上xml,

    3. 执行SPARQL查询

    PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
    
    SELECT ?x
    
    WHERE { ?x  <http://www.w3.org/2001/vcard-rdf/3.0#FN>  "John Smith" }
    

    参考:https://blog.csdn.net/svenhuayuncheng/article/details/78829035

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  • 原文地址:https://www.cnblogs.com/bincoding/p/11223372.html
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