Cyclic relationships are a common situation in RDF and in object models.
循环关系对于RDF和对象模型非常常见。
Using RDF as a framework enables you to retain some of the structural information during the declaration.
采用RDF框架可以在声明过程中保留一些结构化信息。
LOD supports RDF as a conceptual model, but the new emphasis is more on linking and openness than on any one syntax.
lod将rdf作为概念模型加以支持，但更加侧重于链接和开放性，而非任何一种语法。
The language specifier is not a property of the statement as a whole (which is why internationalization does not turn RDF into a system of quads rather than triples).
语言说明符总的说来并不是该语句的特性（这就是为什么国际化没有将RDF 转换成四元组而是三元组系统的原因）。
How do you know this is a valid RDF file?
如何知道这是不是一个有效的RDF文件呢？
For example, I have modified the snow boarding example using a WSDL specification discussed above to use a RDF serialized format as seen in 1.
例如，我已经使用上面讨论的一个WSDL规范修改了测雪板示例，以便使用RDF序列化格式，如清单1所示。
You must start with a base RDF definition and customize it to your needs.
您必须从一个基础的rdf定义开始，然后定制它来满足您的需求。
RDF is simply a formal way of encoding such information.
RDF只是编码这类信息的一种正规方法。
The most comprehensive approach is RDF - a powerful, graph-based language for declaring things, and attributes and relationships between things.
最完备的方法是RDF：一种强大的基于图的语言，用于表示事物、属性及事物间的关系。
Again, sometimes RDF is a good model for processing, but not the most practical syntax or even storage form for universal DBMS.
再强调一次，rdf有时候是一种很好的处理模型，但对于通用DBMS并不是最可行的语法，也不是最佳存储形式。
So far, in brief discussions of how one might use and query the Issue Tracker RDF metadata, we used a simple and primitive query API.
到现在为止，在对人们可能怎样使用和查询问题跟踪器RDF元数据的简短讨论中，我们使用了简单而基本的查询 API。
RDF is a specification that defines a model for representing the world, and a syntax for serializing and exchanging that model.
RDF是一种规范，它为表示世界而定义了一个模型，并且采用一些语法来对这个模型进行序列化和交换。
In my last installment of this column, I discussed how XML knowledge management systems such as RDF shed a different light on age-old problems of data design and modeling.
在本专栏的上一篇文章中，我讨论了诸如rdf这样的XML知识管理系统是如何另辟蹊径解决数据设计与建模这些老问题的。
This philosophy already appears to be paying large dividends as RDF is undergoing a minor renaissance of activity and discussion.
由于 RDF正在经历活动和讨论方面的局部复兴，因而这项原则看上去已经大大受益。
Metadata about a particular LSID consists of a collection of RDF statements.
关于某一特定LSID的元数据由一组rdf语句组成。
However, when most of the information represents brief labels and relationships between resources, RDF makes a lot of sense due to its growing array of users and tools.
但是，当大多数信息表示简短标签和资源之间的关系时，RDF因其不断增加的用户和工具而变得很有意义。
He's developing XSL transforms that produce RDF metadata from a variety of XML, HTML, and microformats.
他正在开发xsl变换，能够从各种XML、HTML和微格式中产生RD f元数据。
However, to convert existing data to RDF is a huge and expensive task, and is unnecessary in many cases.
但是，将已有的数据转化成rdf是一项庞大、成本高昂的任务，而且在很多情况下都是不必要的。
Embedded RDF is a technique for embedding RDF data within XHTML documents using existing elements and attributes.
嵌入式rdf是在XHTML文档内使用现有元素和属性嵌入rdf数据的技术。
The problem with using XML schemas to validate RDF is that RDF has quite a flexible XML syntax, with more than one way of writing the same thing.
使用XML模式验证rdf的问题是，RDF有非常灵活的xml语法，在编写同样的东西时可以有多种方法。
RDF defines a directed graph of relationships.
RDF定义了关系的导向图。
Finally, RDF is a data model that does not include a standard serialization.
最后，RDF是一种不含标准序列化的数据模型。
This code's advantage is that it maps directly to RDF concepts in a transparent and explicit way.
这个代码的优点是使用透明、清晰的方式直接映射到RDF概念。
At first glance, RDF data looks a little bit cumbersome and quite verbose.
初看起来，RDF数据似乎有点笨拙而且非常罗嗦。
An alternative approach is to treat the ontology as a regular RDF model, and simply add statements defining its semantic rules.
备选方法将本体看作特殊rdf模型，仅添加定义其语义规则的语句。
So far, all of the queries I've demonstrated have involved datasets consisting of a single RDF graph.
迄今为止，我所演示的所有查询只包含一个rdf图的数据集。
This ensures that the appropriate type of information is being presented to the user and can be accomplished by using a resource Description Framework (RDF), which is a standard to define resources.
这可以确保信息能以适当的类型呈现给用户，并且这些信息可以通过使用一个ResourceDescriptionFramework (rdf)来完成，这是定义资源的一个常规方法。
RDF description of a journal article.
一篇期刊文章的RDF描述。
The RDF specifications provide a lightweight ontology system to support the exchange of knowledge on the Web.
RDF规范提供了一个轻量级本体(ontology)系统，用来支持在Web上互换知识。
It's comprised of an RDF parser, raptor, and a data store.
它由一个rdf解析器、raptor和一个数据存储组成。
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