The Role of trust and dependence on the performance of information systems in the knowledge-sharing process In ICT of the municipality of Shiraz

one of the main challenges of knowledge management in today's knowledge-based economy, encouraging people to share their knowledge. Knowledge-based structures due to the pressing need for participation, trust-based approach should be pursued Because creating and sharing knowledge requires a high level of confidence and optimism in the relations between members of the organization together. It is considered especially information and communication technology-based organizations Because they are largely composed of groups that their ultimate goal is the successful implementation of information systems projects.This study aimed to investigate the relationship of trust and dependence among individuals in the successful sharing of information across the organization Using the survey method, Is examined the comments of experts and managers of Information and Communication Technology organization of Shiraz Municipality. After preliminary data collection and analysis, to test the conceptual model research by using structural equation modeling. The results show that The communication between remembers the positive and significant impact on the Trust's Group Information Systems. Also significant influence trust and dependence, has been approved on knowledge sharing among members Which leads to Increase the performance of the Department of Information Systems.