Whats the difference between concept-oriented and erm-oriented models of thesaurus structure?
• A ‘term-oriented’ thesaurus uses terms (words or phrases) as its primitive elements, and asserts relationships between those elements, such as a ‘term equivalence’ link between animal and creature. The main elements of ‘concept-oriented’ thesaurus are more abstract concepts, which are aimed at capturing meanings beyond lexicalizations. In practice, while a term-based thesaurus would directly relate two terms with a same meaning using an equivalence link, a concept-based vocabulary would represent the same word or phrases as mere labels of a single concept. The SKOS model is clearly concept-oriented.
