... Knowledge representation and ontologies for lipids and lipidomics Low Hong Sang (B.sc.(Hons), NUS) Thesis Submitted for the degree of Master of Science Department ... nomenclature, lipids are divided into major categories, namely the fatty acyls, glycerophospholipids, glycerolipids, sphingolipids, sacharrolipids, sterol lipids, prenol lipids and the polyketides ... perform concrete tasks such as data mining, resource integration and semantic reasoning Task-oriented ontologies specify information of a knowledge domain necessary for a task and are designed for...