While the body of literature on arbitrage opportunity identification is well established in the financial, energy, and real-estate markets, research on arbitrage in the retail marketplace is relatively limited. As arbitrage opportunities in this context differ inherently from other markets, we...

In contrast to industries of other types of information goods, the video game industry still has a sizable secondhand market for games. This is particularly notable since some of the major gaming-console companies (e.g., Sony and Microsoft) actually possess the ability to annihilate the...

With the increasingly popular use of algorithmic-based decision support systems, the issue of discrimination in machine learning has attracted increasing concerns. Essentially, when an algorithm is applied to prediction tasks that are related to human, a prediction algorithm with the objective...

Platform recognition in the form of non-financial incentives such as badges, status, and ranks are commonly employed to incentivize user contributions. We study one such incentive, "status", in the context of a user-generated content platform, specifically a third-party online restaurant-review...

The success of role-based access control both within the research community and industry is undeniable. One of the main reasons for RBAC's adoption is its ability to reduce administration costs, help eliminate errors, and improve the security of a system. Before these advantages can be observed,...

In this information age, data and knowledge extracted by data mining techniques represent a key asset driving research, innovation, and policy-making activities. Many agencies and organizations have recognized the need of accelerating such trends and are therefore willing to release the data...

Collaborative and distributed applications, such as dynamic coalitions and virtualized grid computing, often require integrating access control policies of collaborating parties. Such an integration must be able to support complex authorization specifications and the fine-grained integration...

Collaborative and distributed applications, such as dynamic coalitions and virtualized grid computing, often require integrating access control policies of collaborating parties. Such an integration must be able to support complex authorization specifications and the fine-grained integration...

With the advances in web service techniques, new collaborative applications have emerged like supply chain arrangements and coalition in government agencies. In such applications, the collaborating parties are responsible for managing and protecting resources entrusted to them. Access control...