Information organization Classification 6 Information retrieval 6 Information science 4 Knowledge, Theory of 4 Libraries 4 Metadata 4 Information storage and retrieval systems 3 Library science 3 Cataloging 2 Information resources management 2 Knowledge representation (Information theory) 2 Ontologies (Information retrieval) 2 Bibliographers 1 Database management 1 Digital libraries 1 Documentation 1 HISTORY / Europe / Western 1 HISTORY / Modern / 20th Century 1 Indexing 1 Information society 1 Information technology 1 Knowledge management 1 Semantic networks (Information theory) 1 TECHNOLOGY & ENGINEERING / History 1 Universal bibliography 1 World Wide Web 1