RDQL is a query language for RDF.
RDQL是RDF的查询语言。
While not yet a formal standard, RDQL is widely implemented by RDF frameworks.
虽然RDQL还不是正是的标准，但已由RDF框架广泛执行。
RDFQuery takes an RDQL query from a text file and runs it against a specified model.
RDFQuery从文本文件中获取RDQL查询，然后对指定的模型运行该查询。
The important part is — query example_query.rdql, which is the location of the RDQL file.
其中重要的部分是——query example_query .rdql，它是rdql文件的位置。
Fortunately, Jena provides a mechanism for expressing generic queries, in the form of RDQL.
幸运的是，jena以rdql形式提供了一种表达通用查询的机制。
RDQL queries can be executed on the command line against a jena model using the jena.rdfquery tool.
使用jena. rdfquery工具可以在命令行上对jena模型执行rdql查询。
SPARQL builds on previous RDF query languages such as rdfDB, RDQL, and SeRQL, and has several valuable new features of its own.
SPARQL构建在以前的rdf查询语言(例如rdfdb、RDQL和SeRQL)之上，拥有一些有价值的新特性。
RDQL allows complex queries to be expressed concisely, with a query engine performing the hard work of accessing the data model.
RDQL允许简明地表达复杂的查询，查询引擎执行访问数据模型的繁重工作。
You've also looked at different methods of querying a model and seen how RDQL can be used to concisely express arbitrary queries.
您已经了解了查询模型的不同方法，并看到了如何使用RDQL简明地表达任意查询。
In addition to implementing SPARQL, ARQ's query engine can also parse queries expressed in RDQL or its own internal query language.
除了实现SPARQL之外，ARQ的查询引擎还可以解析使用RDQL或者它自己内部的查询语言表示的查询。
All variables returned by this method can be cast to RDFNode, which is useful if you want to bind them back into a further RDQL query.
通过此方法返回的所有变量都可以转换成rdfnode，如果您想将这些变量绑定回更进一步的RDQL查询，这将非常有用。
An excellent RDQL tutorial can be found on the Jena Web site, but a few brief examples should go a long way toward illustrating the basics.
在JenaWeb站点中可以找到极好的RDQL指南，但几个简单的示例会对说明基础知识大有帮助。
It's usual to explicitly set the model to use as the source for the query, unless otherwise specified with a FROM clause in the RDQL itself.
通常直接设置模型用作查询的源，除非在RDQL中使用FROM子句指定了其他的源。
The examples in this article have demonstrated some of the power of representing data as RDF models, and the flexibility of RDQL in extracting data from them.
本文中的示例已经说明了将数据表示为rdf模型的一些效果，以及RDQL从这些模型中提取数据的灵活性。
The examples in this article have demonstrated some of the power of representing data as RDF models, and the flexibility of RDQL in extracting data from them.
本文中的示例已经说明了将数据表示为rdf模型的一些效果，以及RDQL从这些模型中提取数据的灵活性。
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