我对语义网技术这么新,我试图理解。
我已安装 The Sesame 2.8 服务器和 Apache Tomcat 。
我试图将一些RDF数据添加到存储库,我成功地使用了一些来自Internet的示例。但是,我尝试构建一个小乌龟文件并将其作为文件添加到存储库中,并收到以下消息: " prolog中不允许使用内容。 [第1行,第1栏]"
我试图添加海龟代码而不是文件,我收到了这条消息: "预期':',发现';' [第51行]"
我的示例代码是:
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix ex: <http://www.example.com> .
<P1>
a foaf:Person;
foaf:firstName "Ben";
foaf:lastName "Edward";
ex:DOB "14/1/2004";
ex:weight '35';
ex:height '157';
foaf:Phone "00447857451285";
foaf:email "Ben.Edward@example.com".
<P2>
a foaf:Person;
foaf:firstName "Gareath";
foaf:lastName "Jamies";
ex:DOB "11/05/2001";
ex:weight '34';
ex:height '154';
foaf:Phone "00447857111200";
foaf:email "Gareath.Jamies@example.com".
<P3>
a foaf:Person;
foaf:firstName "Sarah";
foaf:lastName "Lloyd";
ex:DOB "12/11/1986";
ex:weight '50';
ex:height '160';
foaf:Phone "0044785700349";
foaf:email "Sarah.Lloyd@example.com".
<S1>
foaf:firstName "Mark";
foaf:lastName "Jhon";
ex:qualification "Specialist";
ex:speciality "Dermatology".
<R1>
ex:reportFor P1;
ex:reportDate "15/01/2010";
ex:editedBy S1.
<R2>
ex:reportFor P1;
ex:reportDate "17/02/2010";
ex:editedBy S1.
我不知道是否必须从第一次开始定义新谓词,或者我可以尝试并在之前对该数据进行查询。
请你提前解释和感谢。
答案 0 :(得分:2)
这不是有效的Turtle文件。 您已使用相对URI作为主题而未声明基URI。 我建议您查看规范[http://www.w3.org/TR/turtle/#sec-iri],了解所有替代形式的有效IRI的示例。
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix ex: <http://www.example.com> .
@base <http://www.example.com/> .
<P1>
a foaf:Person;
foaf:firstName "Ben";
foaf:lastName "Edward";
ex:DOB "14/1/2004";
ex:weight '35';
ex:height '157';
foaf:Phone "00447857451285";
foaf:email "Ben.Edward@example.com".
<P2>
a foaf:Person;
foaf:firstName "Gareath";
foaf:lastName "Jamies";
ex:DOB "11/05/2001";
ex:weight '34';
ex:height '154';
foaf:Phone "00447857111200";
foaf:email "Gareath.Jamies@example.com".
<P3>
a foaf:Person;
foaf:firstName "Sarah";
foaf:lastName "Lloyd";
ex:DOB "12/11/1986";
ex:weight '50';
ex:height '160';
foaf:Phone "0044785700349";
foaf:email "Sarah.Lloyd@example.com".
<S1>
foaf:firstName "Mark";
foaf:lastName "Jhon";
ex:qualification "Specialist";
ex:speciality "Dermatology".
<R1>
ex:reportFor <P1>;
ex:reportDate "15/01/2010";
ex:editedBy <S1>.
<R2>
ex:reportFor <P1>;
ex:reportDate "17/02/2010";
ex:editedBy <S1>.