Induction of Concepts in Web Ontologies through Terminological Decision Trees

Induction of Concepts in Web Ontologies through Terminological Decision Trees
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通过术语决策树归纳网络本体中的概念

DOI:
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发表时间:
2010
期刊:
ECML/PKDD
影响因子:
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通讯作者:
F. Esposito
F. Esposito
中科院分区:
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文献类型:
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作者:
N. Fanizzi;Claudia d’Amato;F. Esposito

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提出了一种新的逻辑决策树归纳框架。与原始设置不同,树节点上的测试用描述逻辑概念表示。这有许多优点:可表达的术语语言被赋予完全否定,从而允许在每个测试节点上更自然地划分个体;这些逻辑支持用于在语义Web中表示知识库的标准本体语言。提出了一种自顶向下的术语决策树生成方法,该方法是对著名的树归纳方法的改进。这为在描述逻辑中学习提供了另一种方法,因为概念描述可以与术语树相关联。实现了这些方法的新版本的系统TermiTIS在来自流行知识库的本体上进行了实验评估。
A new framework for the induction of logical decision trees is presented. Differently from the original setting, tests at the tree nodes are expressed with Description Logic concepts. This has a number of advantages: expressive terminological languages are endowed with full negation, thus allowing for a more natural division of the individuals at each test node; these logics support the standard ontology languages for representing knowledge bases in the Semantic Web. A top-down method for inducing terminological decision trees is proposed as an adaptation of well-known tree-induction methods. This offers an alternative way for learning in Description logics as concept descriptions can be associated to the terminological trees. A new version of the System TermiTIS, implementing the methods, is experimentally evaluated on ontologies from popular repositories.