Modern information retrieval systems need the capability to reason about the knowledge conveyed by text bases. In this paper a methodology to automatically create ontologies and cl...
The idea of representing knowledge in formal models gets more and more popular. Since these models are understandable and thus processable by machines, the retrieval of knowledge i...
This paper describes our ongoing work on linking Korean word senses with the concepts of an ontology. We have few Korean wordnets which are linked to upper-level ontologies, altho...
AceWiki is a prototype that shows how a semantic wiki using controlled natural language -- Attempto Controlled English (ACE) in our case -- can make ontology management easy for ev...
A critical problem for practical KR is dealing with relationships that change over time. This problem is compounded by representation languages such as OWL that are biased towards ...