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学习 SPARQL,第 2 版
book

学习 SPARQL,第 2 版

by Bob DuCharme
July 2025
Beginner to intermediate
386 pages
5h 25m
Chinese
O'Reilly Media, Inc.
Content preview from 学习 SPARQL,第 2 版

索引

关于数字索引的说明

索引条目中的链接显示为该条目所在章节的标题。由于某些章节有多个马克笔标记,一个条目有多个链接指向同一章节的情况并不少见。点击任何链接都会直接跳转到文本中出现该马克笔的地方。

符号

# 符号,要查询的数据,手动调试
布尔表达式中的 &&,程序逻辑函数
*(见 Asterisk)
属性路径中的 + 符号,在数据中进一步搜索
,(见逗号)
属性路径中的 / ,在数据中进一步搜索
: 作为命名空间前缀,查询公共数据源
;(见分号)
作为变量名的 ?s, ?p, ?o,搜索字符串
[](见方括号)
属性路径中的 ^,在数据中进一步搜索
^^ 数据类型指示符,数据类型和查询
空白节点名称中的 _,空白节点及其用途
属性路径中的 |, 在数据进一步搜索
布尔表达式中的 ||,程序逻辑函数
用于在 Turtle 和 SPARQL 中分隔字符串的"""",表示字符串

C

铸造,词汇表
铸造函数,函数
ceil(),数值函数
CGI 脚本、SPARQL 和网络应用程序开发
类、重复使用和创建词汇表:RDF 模式和 OWL创建新数据
分配实例,问题
查询已声明的,问题
查询有实例的问题
子类和,重复使用和创建词汇表:RDF 模式和 OWL
CLEAR、删除数据
CLEAR ALL,删除图表
CLEAR DEFAULT,丢弃图表
CLEAR GRAPH,丢弃图表
CLEAR NAMED,删除图形
COALESCE(),程序逻辑函数 ...
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Publisher Resources

ISBN: 9798341663039