Since 1960s, organizational commitment and its antecedents studied from a single– level view; but the study by taking multilevel approach received less attention. In this research, a conceptual cross– level model of organizational commitment antecedents proposed and tested. Data obtained from 461 faculty members of Tehran major universities. Hierarchical linear models examined using HLM6.08. Re...

The knowledge management literature suggests that reuse of externalized knowledge is fundamental for improved efficiency, reduced costs and reduced dependency on individual know-how. Rather than considering knowledge as a specific thing the paper relates knowledge to the work people do. It suggest that knowledge management literature avoids to take into account how knowledge needs to be made cr...

water resources local governance can is one of the most influential collaborative approach in the water resources management. social monitoring of local stakeholders plays an important role in planning, resources management and water efficient governance. therefore to achieve this goal, social network analysis has been considered as an approach of analysis of the relationship among local stakeh...

Trust is an important tool in human life, as it enables people to cope with the uncertainty caused by the free will of others. Uncertainty and uncontrollability are also issues in computer-assisted collaboration and electronic commerce in particular. A computational model of trust and its implementation can alleviate this problem. This survey is directed to an audience wishing to familiarize th...

We propose a formal model for reputation-based trust management. In contrast to credential-based trust management, in our framework an agent’s reputation serves as the basis for trust. For example, an access control policy may consider the agent’s reputation when deciding whether to offer him a license for accessing a protected resource. The underlying semantic model is an event semantics inspi...

The work discusses nonmonotonicity in terms of trust management systems and presents model allowing for credential revocation in the Rolebased Trust-management Framework. A freshness constraints have been adopted into RT Framework in order to overcome nonmonotonicity and turn it to be temporarily monotonic. The proposed model allows for freshness requirements specification on policy level and u...