Section 1. Models -- 1. Knowledge Sharing: Interactive Processes Between Organizational Knowledge-Sharing Initiative and Individuals' Sharing Practice / Shuhua Liu -- 2. The Centrality of Team Leaders in Knowledge-Sharing Activities: Their Dual Role as Knowledge Processors / Evangelia Siachou, Anthony Ioannidis -- 3. Knowledge Sharing in Virtual and Networked Organisations in Different Organisational and National Cultures / Kerstin Siakas, Elli Georgiadou -- 4. Towards an Implicit and Collaborative Evolution of Terminological Ontologies / Axel-Cyrille Ngonga Ngomo -- 5. Computer-Mediated Knowledge Sharing / Kimiz Dalkir -- 6. Understanding Knowledge Transfer on the Net: Useful Lessons from the Knowledge Economy / Ettore Bolisani -- 7. Knowledge-Sharing Motivation in Virtual Communities / Jengchung V. Chen, J. Michael Tarn, Muhammad A. Razi --

Section 2. Applications --8. Opportunities and Obstacles to Narrow the Digital Divide: Sharing Scientific Knowledge on the Internet / Margarita Echeverri, Eileen G. Abels -- 9. Knowledge Exchange in Electronic Networks of Practice: An Examination of Knowledge Types and Knowledge Flows / Molly McLure Wasko, Samer Faraj -- 10. Knowledge Sharing Through Interactive Social Technologies: Development of Social Structures in Internet-Based Systems over Time / Isa Jahnke -- 11. Information Technology in Times of Crisis: Considering Knowledge Management for Disaster Management / Kalpana Shankar, David J. Wild, Jaesoon An, Sam Shoulders, Sheetal Narayanan -- 12. Managing Knowledge-Based Complexities Through Combined Uses of Internet Technologies / Cécile Godé-Sanchez, Pierre Barbaroux -- 13. Leading Firms as Knowledge Gatekeepers in a Networked Environment / Deogratias Harorimana -- 14. The Role of Knowledge Mediators in Virtual Environments / Enrico Scarso -- 15. Knowledge Management in Virtual Enterprises: Supporting Frameworks and Enabling Web Technologies / Stavros T. Ponis, George Vagenas, Ilias P. Tatsiopoulos -- 16. Sharing and Protecting Knowledge: New Considerations for Digital Environments / G. Scott Erickson, Helen N. Rothberg -- 17. Identifying Knowledge Values and Knowledge Sharing Through Linguistic Methods: Application to Company Web Pages / June Tolsby -- Compilation of References -- About the Contributors -- Index.