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About Ontology
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作者: junsheng(http://junsheng.itpub.net)
发表于: 2005.08.26 13:06
分类: 研究
出处: http://junsheng.itpub.net/post/860/39169
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发表于: 2005.08.26 13:06
分类: 研究
出处: http://junsheng.itpub.net/post/860/39169
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IR types:
(1) text retrieve
(2) Data retrieve
(3) Knowledge retrieve
How deal with ontology?
(1) use Graph to express ontology, store the related data in RDBMS. Matrix express graph structure.
(2) inference ability needs the ontology to be expressed with description language such as owl, loom etc.
Ontology projects:
(1) ontology on web ontology: use the ontologies on the web;
(2) ontology broker: retrieve the webpages, find the content that users are intrested in.
(3) resolve the semantic heterogeneous problem using an algebra system.
