Construction and maintenance of a fuzzy temporal ontology from news stories. (18th July 2012)

• Record Type: Journal Article
• Authors: Drury, Brett; Almeida, J.J.; Morais, M.H.M.
• Is Part Of: International journal of metadata, semantics and ontologies. Volume 6:Number 3/4(2011)
• Page Start: 219
• Page End: 233
• Publication Date: 2012-07-18
• Subjects: business news -- temporal ontologies -- ontology management; Metadata -- Periodicals; Semantic Web -- Periodicals; Ontologies (Information retrieval) -- Periodicals; Data structures (Computer science) -- Periodicals; Information theory -- Periodicals; 005.74
• Languages: English
• ISSNs: 1744-2621

Abstract

Construction of business ontologies from news sources can produce a detailed representation of the chosen area, but the Ontology may over time gather errors because information can become rapidly outdated. The two stage strategy described in this paper attempts to identify outdated relations in an Ontology by affixing a confidence score to each relation and decaying the relation until a preset value where it is deleted or archived. The relation score is refreshed if the information is repeated in a news story. An evaluation demonstrates that over time erroneous information is removed and new information is added to the Ontology.