Business-driven development favors the construction of process models at different abstraction levels and by different people. As a consequence, there is a demand for consolidating different versions of process models by merging them. In this paper, we study a basic scenario, derive requirements and present a prototype for detecting and resolving changes between process models.

Content personalization of e-learning resources has the opportunity to encourage self-directed learning and collaborative activities between students with varying cultures and backgrounds. In the case of students with disabilities, it also has the potential to provide equality of access to learning resources that can be presented in formats that are compatible with a student’s needs and prefere...

The Event Library is a simple library that provides a solution to the common problems in event-driven programming. Its careful design facilitates further extensions, in order to satisfy users’ advanced needs. It has been implemented in Eiffel, taking advantage of the advanced mechanisms of this language. In this paper, we present the architecture of the library and show how it can be used for b...

In this project we present, the tree-of-BDDs approach, a decomposition scheme for compiling configuration problems. We also present efficient techniques for generating minimum explanations in the BDD-based configuration schemes. Given a BDD representing the solutions of a CSP, an efficient technique for detecting full interchangeable values is given. Experimental results show that the technique...

The literature on error-driven learning in Harmonic Grammar (HG) has adopted the Perceptron reweighing rule. Yet, this rule is not suited to HG, as it fails at ensuring non-negative weights. A variant is thus considered which truncates the updates at zero, keeping the weights non-negative. Convergence guarantees and error bounds for the original Perceptron are shown to extend to its truncated v...

Model-Driven Development (MDD) represents a positive step toward a general model-based approach to software engineering. The Object Management Group (OMG) offers a conceptual framework, called Model-Driven Architecture(MDA) that defines a set of standards in support of MDD. We present an approach based on ZOOM which provides a set of process ,notations and supporting tools that are application ...

Over the past decade, cloud services emerged as one of the most promising technologies in IT. Since cloud computing allows improving the quality of software and, at the same time, aims at reducing costs of operating software and hardware, more and more software is delivered as a service in the cloud. However, moving existing software applications to the cloud and making them behave as software ...

Model driven architecture (MDA) views application development as a continuous transformation of models of the target system. We propose a methodology which extends this view to non-functional properties. Our basic idea is the separation of two different roles in the development process: the role of the measurement designer and the role of the application designer. The former provides a library ...