Anatomy of a simple SPARQL query.
一个简单SPARQL查询的剖析。
SPARQL has four types of queries.
SPARQL有四种类型的查询。
Supporting other types of SPARQL queries.
支持其他类型的SPARQL查询。
Listing 10. SPARQL for the read operation.
清单10.read操作的SPARQL代码。
Listing 6. SPARQL for the delete operation.
清单6.delete操作的SPARQL代码。
Listing 12. SPARQL for the create operation.
清单12.create操作的SPARQL代码。
Listing 14. SPARQL for the delete operation.
清单14.delete操作的SPARQL代码。
Listing 16. SPARQL for the update operation.
清单16.update操作的sparql。
Connecting to SQL and SPARQL database systems.
连接到SQL和SPARQL数据库系统。
Executing SPARQL queries from the command line.
从命令行执行SPARQL查询。
Writing the SPARQL queries for the journal system
编写日志系统的SPARQL查询
Listing 12 shows an example of SPARQL result set XML.
清单12显示了SPARQL结果集xml的例子。
SPARQL is the standard query language for the Semantic Web.
SPARQL是语义Web的标准查询语言。
The next line of the SPARQL code describes the query request.
SPARQL代码的下一行描述了查询请求。
SPARQL doesn't require you to design a data access interface.
SPARQL不需要设计数据访问接口。
The first two lines of the SPARQL are the PREFIX declarations.
SPARQL的前两行是PREFIX声明。
Translating an entirely free-text question into a SPARQL query.
将随意一个文本问题转变成SPARQL查询。
This tutorial introduces SPARQL and the data formats it is based on.
本教程介绍了SPARQL以及基础数据格式。
SPARQL query tool: Experiment with this demo provided by the author.
SPARQL查询工具:实验作者提供的示例。
SPARQL support in Jena is currently available via a module called ARQ.
支持在Jena中使用SPARQL目前可以通过叫作arq的模块得以实现。
The function declarations in the SQL and SPARQL versions are identical.
SQL与SPARQL版本中的函数声明是相同的。
In addition to the background graph, SPARQL can query any number of named graphs.
除了后台图,SPARQL还能查询任意数量的命名图。
The RDF data is sorted, cross-referenced, and converted to XML by a SPARQL engine.
RDF数据被SPARQL 引擎分类、交叉引用和转换成XML。
Of course, the best way to learn about SPARQL is by writing some queries of your own.
当然,学习SPARQL的最好方法是编写一些自己的查询。
Now, compare the SQL-based code in Listing 5 with the SPARQL-based code in Listing 6.
现在,比较清单5中基于SQL的代码与清单6中基于SPARQL的代码。
To make the SPARQL endpoint more useful, allow it to support some additional features.
为了使sparql端点更有用,可让它支持更多的特性。
To execute the above SQL and SPARQL statements, you must connect to the system somehow.
要执行上面的SQL和sparql语句,必须以某种方式连接到系统中。
As you can see from the example code, there are many similarities between SQL and SPARQL.
正如您在示例代码中看到的,SQL与SPARQL有许多相似性。
Jenabean also has support for binding to a SPARQL (SPARQL Query Language for RDF) result.
Jenabean还支持到SPARQL (rdf的SPARQL查询语言)结果的绑定。
Another approach to extracting data from the XML of a SPARQL result set is to apply an XSLT.
从xml形式的SPARQL结果集中提取数据的另一种办法是应用XSLT。
应用推荐