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This paper presents the proposal of INCA (integrity, non-repudiation, confidentiality and authenticity), a flexible and scalable security service for e-learning applications. This service provides interfaces for use in any Web-based collaborative learning environment. The main features of the service and a case study on its application in the Sakai chat tool are outlined. The case study is presented...
Many researchers have used neural networks on music composition. The architecture of the network and the representation of the training data have influence on the results. We propose to compare BPTT and LSTM networks in musical composition task with two different pitch representations. We present the learning algorithms of both networks and the results obtained in the composition of new melodies.
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