摘要： 以RDF 和RDFS (RDF Schema)为基础，构造了一种融合谓词逻辑的说明式查询语言RQuery。RQuery 具有支持语义映射、可逻辑解析、模式查询和数据查询相结合的特点，是实现数字图书馆领域IIR 的有效查询机制。
关键词:
数字图书馆；RDF；说明式查询语言；谓词逻辑；IIR
Abstract: This paper proposes a declarative query language with predicate logic, RQuery based on RDF and RDFS (RDF Schema). RQuery has abilities of semantic mapping, logic comprehensive and combination of schema and data querying, so it is an effective query mechanism for IIR of DLs.
Key words:
Digital library; RDF; Declarative query language; Predicate logic; IIR
师雪霖, 牛振东, 宋瀚涛. 一种基于 RDF 的半结构化数据查询语言Rquery[J]. 计算机工程, 2006, 32(5): 13-14，25.
SHI Xuelin, NIU Zhendong, SONG Hantao. A RDF-based Semi-structured Data Query Language: RQuery[J]. Computer Engineering, 2006, 32(5): 13-14，25.