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使用机器学习技术自动识别本体版本

Automatic Identification of Ontology Versions Using Machine Learning Techniques
课程网址: http://videolectures.net/eswc2011_allocca_automatic/  
主讲教师: Carlo Allocca
开课单位: 英国开放大学
开课时间: 2011-07-07
课程语种: 英语
中文简介:
当在线发布不同版本的本体时,它们之间的链接经常丢失,因为很少使用暴露这些链接的标准机制(例如owl:versionInfo和owl:priorVersion)。这会在人们或应用程序需要使用大规模异构本体集合,隐式包含多个本体版本的场景中产生问题。在本文中,我们提出了一种方法来自动检测本体之间的版本链接,这些链接可通过语义Web搜索引擎在线获得。我们的方法基于两个主要步骤。第一步通过使用在其标识符中表示的版本信息来选择候选对本体。在第二步中,这些候选对通过一组特征(包括相似性度量)来表征,并通过使用机器学习技术进行分类,以区分表示版本的对与不具有版本的对。我们讨论了所使用的特性,用于训练分类器的方法以及将此方法应用于Watson语义Web搜索引擎的本体集合时获得的精度。
课程简介: When different versions of an ontology are published online, the links between them are often lost as the standard mechanisms (such as owl:versionInfo and owl:priorVersion) to expose these links are rarely used. This generates issues in scenarios where people or applications are required to make use of large scale, heterogenous ontology collections, implicitly containing multiple versions of ontologies. In this paper, we propose a method to detect automatically versioning links between ontologies which are available online through a Semantic Web search engine. Our approach is based on two main steps. The first step selects candidate pairs of ontologies by using versioning information expressed in their identifiers. In the second step, these candidate pairs are characterized through a set of features, including similarity measures, and classified by using Machine Learning Techniques, to distinguish the pairs that represent versions from the ones that do not. We discuss the features used, the methodology employed to train the classifiers and the precision obtained when applying this approach on the collection of ontologies of the Watson Semantic Web search engine.
关 键 词: 异构本体集合; 语义Web; 机器学习技术
课程来源: 视频讲座网
最后编审: 2020-09-18:chenxin
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