Modern multi-organisational coalitions are capable of bringing diverse sets of capabilities, assets and information sources to bear on complex and dynamic operations. However, the successful completion of these operations places demands on the trust between coalition partners. When it is necessary to rely on other partners, decision-makers must be able to make rapid and effective trust assessme...

Many models of trust consider the trust an agent has in a trustee as the result of experiences with that specific trustee in combination with certain personality attributes. Such trust states are a key element for decision making, thereby for instance deciding what agent to request for a certain piece of information, or to delegate a task to. In order to understand this entire process within hu...

It is a common and useful task in a web of trust to evaluate the trust value between two nodes using intermediate nodes. This technique is widely used when the source node has no experience of direct interaction with the target node, or the direct trust is not reliable enough by itself. If trust is used to support decision-making, it is important to have not only an accurate estimate of trust, ...

Financial transactions that are made in an environment of imperfect knowledge will always contain a degree of risk. When dealing with humans or human organisations the relative knowledge about the co-operative behaviour of others can be perceived as trust, and trust therefore is a crucial factor in the decision making process. However, assessing trust becomes a problem in electronic transaction...