The rdfs: label predicate is defined in the RDF Schema standard, and the namespace declaration in the second line of the query spells out exactly what the rdfs prefix refers to. label谓语以RDFSchema标准定义,而查询第二行中的名称空间声明所描述的恰好就是rdfs前缀所指代的内容。
Block has executed, control is once again transferred to the first statement immediately following the label declaration. 块后,控制权将再次转交到紧跟在标签声明后面的第一条语句。
Label declaration not allowed In Interface part 在界面部分不允许标号说明