Web services allow the components of applications to be highly decentralized, dynamically reconfigurable. Moreover, Web services can interoperate easily inside an heterogeneous network environment. The vast majority of current available verification environments have been built by sticking to traditional architectural styles. Hence, they are centralized and none of them deal with interoperabili...

BACKGROUND Smoking prevalence has been shown to be considerably higher among single mothers as compared to their married or cohabiting counterparts. This study examines whether this could be attributed to single mothers' different capability in dealing with stress. METHODS Based on cross-sectional data of 3129 German mothers, the study explores the associations between single motherhood, copi...

In this article, we present an adaptive mobile learning system to provide learners with adaptive learning contents according to learners' abilities and learning preference by the specifications of mobile devices. We used both Bayesian inference and content adaptation technologies to construct a dynamic learner model and to create adaptive contents for learners in a Web-based mobile learning env...

With advances in wireless networking and Moore’s law driven advances in computing capabilities, collaborative systems are needed to explore the large volume of distributed resources and new styles of communication. To achieve the goal of collaborative service for users with heterogeneous devices, the system needs to consider not only the traditional design issues, but also the heterogeneity of ...

In this paper, we propose a musical onset detection method, with reference to polyphonic piano music. This method operates on a frame-by-frame basis and exploits a suitable time-frequency representation of the audio signal. The solution proposed consists of an onset detection algorithm based on Short-Time Fourier Transform (STFT) and Non-Negative Matrix Factorization (NMF). To validate this met...

Currently, Learning Systems are used for facilitating the creation of interoperable content for performance in competency-driven society. This paper brings several technological development to enhance Learning Systems: the interconnection of distributed and/or heterogeneous LMS and Learning Resource repositories to provide course creators with access to a wider range of re-usable learning objec...

A computer framework feasible for developing parallel systems according to the Bulk Synchronous Parallel (BSP) computing model is described: Switched Interconnection of Parallel Processors (Swipp). Demanding applications can be described as directed graphs where the interdependent subtasks constitute the nodes. The tasks are predistributed by a system master, Computer Executive Engine (CEE), to...

In this paper, we propose a musical onset detection method, with reference to polyphonic piano music. The solution proposed consists of an onset detection algorithm based on Short-Time Fourier Transform (STFT) and Non-Negative Matrix Factorization (NMF). This method operates on a frame-by-frame basis and exploits a suitable binary time-frequency representation of the audio signal. To validate t...

The advanced complexity and heterogeneity of modern telecommunication systems mostly lead to the incorporation of heterogeneous implementation technologies and design styles. Consequently, the design representation of such systems often requires the mixed use of distinct model of computations at different abstraction layers. Therefore, heterogeneous co-simulation is needed in order to enable th...

In this paper we present a new beat tracking algorithm which extends an existing state-of-the-art system with a multi-model approach to represent different music styles. The system uses multiple recurrent neural networks, which are specialised on certain musical styles, to estimate possible beat positions. It chooses the model with the most appropriate beat activation function for the input sig...