3ac828f5-313c-46cb-abde-c4f91e8ae18d
Need to Categorize: A Comparative Look at the Categories of Universal Decimal Classification System and WikipediaVisualizing Universes of Knowledge: Design and Visual Analysis of the UDCThe evolution of classification systems: ontogeny of the UDC.Evolution of Wikipedia’s Category StructureUDC in ActionModelling Knowledge dynamics. website