The bibliographic discovery system as a data access platform is a homogenous system with integrated library systems that allows integrated

Museum version knowledge discovery and representation system (KDR-M), is a comprehensive and specialized system designed for data and metadata management

Archive center management system Knowledge Discovery and Representation of Archive Edition (KDR-A) is a comprehensive and specialized system designed for

The Knowledge Discovery and Representation System (KDR) is a comprehensive and integrated management system of all kinds of information resources