I technology has profoundly impacted the operations of firms in the service industry and service environments within manufacturing. Two models are introduced that establish a conceptual framework linking firm profit to attributes of the IT-worker system. The framework considers the impact of IT capabilities (such as functionality and ease-of-use) and worker skill as drivers of output volume and...

With the development of web services, more effective trust building mechanisms are needed to deploy diverse trust models in a web services environment. The lack of mechanisms that can dynamically build trust relationships while preserving privacy impedes progress. Current web service technologies encourage a client to reveal all its private attributes in a pre-packaged digital credential to the...

Emerging trends and challenges. Component-based software engineering supported by middleware technologies, such as CORBA Component Model (CCM) and Enterprise Java Beans (EJB), has emerged as a preferred way of developing enterprise distributed real-time and embedded (DRE) systems, such as smart buildings, modern office enterprises, and inflight entertainment systems. These systems consist of ap...

INTRODUCTION Medical professionalism is a core competency for emergency medicine (EM) trainees; but defining professionalism remains challenging, leading to difficulties creating objectives and performing assessment. Because professionalism is dynamic, culture-specific, and often taught by modeling, an exploration of trainees' perceptions can highlight their educational baseline and elucidate t...

Contingent choice surveys, in which respondents rate or rank alternative scenarios describing potential futures composed of varying levels of several different attributes, can help national park managers by identifying the preferences of visitors and also the nonuse values generated by park attributes. Many alternative combinations of park attributes can be explored efficiently, helping park ma...

This paper discusses an interoperability solution (tool) for the internal management of a policy decision engine located at the level of the authorization layer of a service oriented environment. The tool aims to support federated access control in the context of distributed architectures, in which a local authorization policy is not able to recognize all the attributes in the authorization dec...