Online information services Online catalogs 4 Library information networks 2 Multimedia systems 2 Abstracting 1 Acquisition of serial publications 1 Acquisitions (Libraries) 1 Archives 1 Artificial intelligence 1 Automation 1 Bibliography 1 Circulation 1 Conservation and restoration 1 Digital libraries 1 Expert systems (Computer science) 1 Information Retrieval systems 1 Information retrieval 1 Information retrieval systems 1 Information services 1 Information storage systems 1 Intelligent agents (Computer software) 1 Libraries 1 Library & Information science 1 Management 1 Methodology 1 Multimedia systems in libraries 1 Online bibliographic searching 1