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Journal on Data Semantics

, Volume 3, Issue 4, pp 237–254

First Online: 25 May 2014Received: 11 May 2013Revised: 14 April 2014Accepted: 20 April 2014


The Linked Open Data cloud contains tremendous amounts of interlinked instances with abundant knowledge for retrieval. However, because the ontologies are large and heterogeneous, it is time-consuming to learn all the ontologies manually and it is difficult to learn the properties important for describing instances of a specific class. To construct an ontology that helps users to easily access various data sets, we propose a semi-automatic system, called the Framework for InTegrating Ontologies, that can reduce the heterogeneity of the ontologies and retrieve frequently used core properties for each class. The framework consists of three main components: graph-based ontology integration, machine-learning-based approach for finding the core ontology classes and properties, and integrated ontology constructor. By analyzing the instances of linked data sets, this framework constructs a high-quality integrated ontology, which is easily understandable and effective in knowledge acquisition from various data sets using simple SPARQL queries.

KeywordsSemantic Web Graph pattern Ontology integration  Ontology alignment Knowledge acquisition Machine learning  Download fulltext PDF

Author: Lihua Zhao - Ryutaro Ichise

Source: https://link.springer.com/


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