Metadata 27 Digital library 7 Information organization 7 Digital libraries 6 Dublin core 4 Database management 3 Electronic information resources 3 ISSN-- OPAC-- METADATA-- NISSAT-- INSDOC-- Type of Libraries 3 Java (Computer program language) 3 Libraries 3 Library research 3 Management 3 Web 2.0 3 Cataloging 2 Classification 2 Computer crimes 2 Data mining 2 Digital Library 2 Digital conservation 2 Digital information preservation 2 Digital preservation 2 Digital techniques 2 E-learning 2 Elctronic resources 2 Electronic records 2 ICT applications 2 Image processing 2 Information retrieval 2 Information storage and retrieval systems 2 Information technology 2