188 Copyright © 2012, IGI Global. Copying or distributing in print or electronic forms without written permission of IGI Global is prohibited. Chapter 14 INTRODUCTION The growing importance of managing knowledge; progressive organizations proactively learn how to better sharing knowledge is critical to orga- nizations today’s. Knowledge sharing is vital to securing and sustaining a competitive advantage, organizations can attain the first step towards sharing knowledge management success by con- sidering social and behavior issues. Stewart et al. (2001) stated that knowledge is the most important resource more important than labor. Gore and Gore (1999) explained that knowledge is the new power base of the modern organizations and that the value of most products and/or services depend primarily on how ‘knowledge-based intangibles’ such as technological know-how, product design, marketing presentation, understanding of the cus- tomer, personal creativity and innovation. Recently, some additional terms like business intelligence, enterprise information portal, com- munities, groupware, knowledge management, and knowledge networking have been used for systems that are intended to inform and support decision-makers. Productivity may be enhanced when the collaborative empowers individuals and Amin A. Shaqrah Alzaytoonah University of Jordan, Jordan A Typology of Tacit Knowledge Sharing Themes to Fostering Group Decision Support System ABSTRACT Today, much effort and importance is placed on the management of knowledge, its security, and sustain- ability in context to organizations and their competitiveness. This paper outlines a typology to guide that applying tacit knowledge sharing themes from a social perspective, that is trust, care, leadership charisma, knowledge culture, concept ba, and social network analysis, affect a group’s decision support system. This paper shows that the mentioned themes facilitate a more open group discussion with a higher degree of consensus and agreement resulting in a vividly higher amount of accuracy in decision making. DOI: 10.4018/978-1-4666-1746-9.ch014