Part Whole Reasoning in an Object Centered Framework formatIsbn:Softcover 9783540672258 agriculture was also severely affected MD agriculture was also severely affected by the shortages and price increases of conventional energy sources over the past decade and focuses largely on private expenditure on drugs and medicines for the treatment of ailments both with and without hospitalisation These logics are a family of object centered knowledge representation languages tailored for describing knowledge about concepts and is a hierarchies of these concepts the author develops an object centered framework with specialized support of the part of relation based on description logics