GH. Education GI. Training IC. Index languages processes and schemes GG. Curricula aspects IB. Content analysis (A and I class.) B. Information use and sociology of information BA. Use and impact of information BB. Bibliometric methods Digital transformation G. Industry GE. Staff I. Information treatment for information services IA. Cataloging ID. Knowledge representation IE. Data and metadata structures IF. Information transfer: protocols IK. Design Knowledge organization systems LN. Data base management systems Library and information science Semantic vocabularies bibliographic control development formats implementation and maintenance profession and education techniques