You can use a scalar subquery to select a specific value that will be used in the expression of the WHERE clause.
可以使用标量子查询选择将用于where子句的表达式中的特定值。
In addition to the basic option of protecting a specific URI stem, it is also possible to protect a resource by setting the URI attribute equal to a regular expression pattern.
除了保护特定的一个uri外，通过将UR i属性设为一个正则表达式模式还可以保护一个资源。
NameReferenceAnnotator USES a regular expression to find names in the specific format that is used in the IMDB documents when people in the IMDB are mentioned in text.
NameReferenceAnnotator使用一个正则表达式寻找特定格式的人名，IMDB文档中在提到人名时采用这种格式。
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