Preserving Privacy and the protection of personally identifiable information (PII) have been of increasing interest over the last few years. Many privacy advocates, and a significant portion of the general public, feared that the new initiatives used in an attempt to fight terrorism, would have...

Many new Privacy Laws and Regulations have placed an increased importance on the correct design and implementation of information systems. This is an attempt to preserve and protect user and information privacy. Incorporating privacy regulations and guidelines into an active information system...

Transportation and warehousing logistics are activities that require strong information systems and computer support. This requirement has grown with the advent of e-commerce. Companies such as FedEx and UPS now allow their customers to track and monitor the fulfilment of their requested...

The growing development of web-based reputation systems in the 21st century will have a powerful social and economic impact on both business entities and individual customers, because it makes transparent quality assessment on products and services to achieve customer assurance in the...

Trust between communicating peers is increasingly catching the attention of the research community. Several methods have been proposed to assist the task of establishing trust between communicating peers; all of which make use of reputation mechanisms. We find that in present literature,...

In a peer-to-peer financial transaction there is a possibility of the trusted peer engaging in an untrustworthy manner and in a negative behaviour on the buyer's expense resulting in the loss of the buyer's resources. This possibility of the loss in the buyer's resources is termed as Risk. Hence...