Querying the Semantic Web with Ginseng: A Guided Input Natural Language Search Engine

Querying the Semantic Web with Ginseng: A Guided Input Natural Language Search Engine
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用 Ginseng 查询语义网:引导输入的自然语言搜索引擎

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发表时间:
2009
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通讯作者:
M. Volk
M. Volk
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作者:
A. Bernstein;Esther Kaufmann;Christoph Kiefer;S. Clematide;Manfred Klenner;M. Volk

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语义网提出了一个分布式的,动态增长的知识库建立在形式逻辑的愿景。然而,普通用户即使使用最简单的布尔表达式也会遇到问题。正如网络搜索引擎的查询所显示的那样,绝大多数用户根本不使用布尔式表达。那么,我们如何帮助用户查询他们似乎不理解的逻辑网络呢?我们解决这个问题,提出人参,一个准自然语言引导查询接口的语义Web。Ginseng依赖于一个简单的问题语法,它通过本体的结构进行动态扩展,以指导用户用看似类似于英语的语言制定查询。基于语法,Ginseng然后将查询翻译成语义Web查询语言(RDQL),这允许它们的执行。我们对20个用户的评估表明,Ginseng非常简单,无需任何训练(与任何基于逻辑的查询方法相反),从而获得非常好的查询性能(精确度= 92.8%,召回率= 98.4%)。此外,我们发现,即使使用简单的语法/方法,Ginseng也可以处理来自查询语料库的40%以上的问题而无需修改。
The Semantic Web presents the vision of a distributed, dynamically growing knowledge base founded on formal logic. Common users, however, seem to have problems even with the simplest Boolean expression. As queries from web search engines show, the great majority of users simply do not use Boo- lean expressions. So how can we help users to query a web of logic that they do not seem to understand? We address this problem by presenting Ginseng, a quasi natural language guided query interface to the Semantic Web. Ginseng relies on a simple question grammar which gets dynamically extended by the structure of an ontology to guide users in formulating queries in a language seemingly akin to English. Based on the grammar Ginseng then translates the queries into a Semantic Web query language (RDQL), which allows their execution. Our evaluation with 20 users shows that Ginseng is extremely simple to use without any training (as opposed to any logic-based querying approach) resulting in very good query per- formance (precision = 92.8%, recall = 98.4%). We, furthermore, found that even with its simple gram- mar/approach Ginseng could process over 40% of questions from a query corpus without modification.
大型复杂知识库(解剖学基础模型)的原型自然语言接口。
DOI: --
发表时间: 2003
期刊: AMIA ... Annual Symposium proceedings. AMIA Symposium
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作者:
Distelhorst,Gregory;Srivastava,Vishrut;Rosse,Cornelius;Brinkley,JamesF
通讯作者: Brinkley,JamesF