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Current domain-specific modeling (DSM) frameworks for designing component-based systems provide modeling support for system's structural as well as non-functional or quality of service (QoS) concerns. However, the focus of such frameworks on system's non-functional concerns is an after-thought and their support is at best adhoc. Further, such frameworks lack strong decoupling between the modeling...
In modern enterprises, workflows are essential to automating business processes. During their execution, workflows need to interact with users using a mechanism called dialogs to deliver information and collect input that is required for further decision-making in the workflows. Information delivery and input collection by enterprise workflows is often a time-sensitive matter. Thus, dialogs have to...
Recent advances in software processes and artifacts for automating middleware configurations in distributed realtime and embedded (DRE) systems are starting to address the complexities faced by system developers in dealing with the flexibility and configurability provided by contemporary middleware. Despite the benefits of these new processes, there remain significant challenges in verifying their...
Quite often the modeling tools used in the development lifecycle of distributed real-time and embedded (DRE) systems are middleware-specific, where they elevate middleware artifacts, such as configuration options, to first class modeling entities. Unfortunately, this level of abstraction does not resolve the complex issues in middleware configuration process for QoS assurance. This paper describes...
The increasing amount of software and computational capabilities in voice endpoints, switches, and networks creates an opportunity for embedding advanced applications in voice communication paths. Particularly in an enterprise environment, such applications can alter the traditional behavior of voice communications from simply connecting two or more people to software-assisted connection establishment...
This paper provides following three contributions to the study of developing and applying model driven engineering (MDE) techniques to quality of service (QoS) configuration of distributed real-time and embedded (DRE) systems. First, we describe the challenges associated with mapping domain-level QoS policies of DRE systems to middleware configuration space. Second, we discuss a domain specific modeling...
Pervasive, context-aware enterprise communications applications rely on detailed knowledge of people's contexts to facilitate efficient communications between people. We describe the challenges and intricacies in collecting and disseminating relevant user context data for the purpose of complex decision-making in enterprise communications applications. We show that the continuous and user-transparent...
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