The ability to manage knowledge has become increasingly important in today‎'‎s knowledge economy‎.‎ Knowledge is considered a valuable commodity‎,‎ embedded in products and in the tacit knowledge of highly mobile individual employees‎.‎ Knowledge management ‎(‎KM‎)‎ represents a deliberate and systematic approach to cultivating and sharing an organization‎'‎s knowledge base‎.‎ It is a highly multidisciplinary field that encompasses both information technology and intellectual capital‎.‎ This textbook and professional reference offers a comprehensive overview of the field of KM‎,‎ providing both a substantive theoretical grounding and a pragmatic approach to applying key concepts‎.‎ Drawing on ideas‎,‎ tools‎,‎ and techniques from such disciplines as sociology‎,‎ cognitive science‎,‎ organizational behavior‎,‎ and information science‎,‎ the text describes KM theory and practice at the individual‎,‎ community‎,‎ and organizational levels‎.‎ It offers illuminating case studies and vignettes from companies including IBM‎,‎ Xerox‎,‎ British Telecommunications‎,‎ JP Morgan Chase‎,‎ and Nokia‎.‎ This second edition has been updated and revised throughout‎.‎ New material has been added on the information and library science perspectives‎,‎ taxonomies and knowledge classification‎,‎ the media richness of the knowledge‎-sharing channel‎,‎ e‎-learning‎,‎ social networking in KM contexts‎,‎ strategy tools‎,‎ results‎-based outcome assessments‎,‎ knowledge continuity and organizational learning models‎,‎ KM job descriptions‎,‎ copyleft and Creative Commons‎,‎ and other topics‎.‎ New case studies and vignettes have been added‎;‎ and the references and glossary have been updated and expanded‎.‎