577 citations
- University of LisbonPT17 papers
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11 papers · 1 filter
A Neural Network Approach to ECG Denoising
Rui Rodrigues, Paula Couto
We propose an ECG denoising method based on a feed forward neural network with three hidden layers. Particulary useful for very noisy signals, this approach uses the available ECG…
Emergence of network features from multiplexity
Alessio Cardillo, Jesús Gómez-Gardeñes, Massimiliano Zanin +4
Many biological and man-made networked systems are characterized by the simultaneous presence of different sub-networks organized in separate layers, with links and nodes of qualit…
Modeling the Multi-layer Nature of the European Air Transport Network: Resilience and Passengers Re-scheduling under random failures
Alessio Cardillo, Massimiliano Zanin, Jesús Gómez-Gardeñes +3
We study the dynamics of the European Air Transport Network by using a multiplex network formalism. We will consider the set of flights of each airline as an interdependent network…
Relaxation of certain integral functionals depending on strain and chemical composition
Ana Margarida Ribeiro, Elvira Zappale
We provide a relaxation result in , as a first step towards the analysis of thermochemical equilibria.
Partial transformation monoids preserving a uniform partition
Serena Cicalo, Vitor H. Fernandes, Csaba Schneider
The objective of this paper is to study the monoid of all partial transformations of a finite set that preserve a uniform partition. In addition to proving that this monoid is a qu…
Semi-metric networks for recommender systems
Tiago Simas, Luis M. Rocha
Weighted graphs obtained from co-occurrence in user-item relations lead to non-metric topologies. We use this semi-metric behavior to issue recommendations, and discuss its relatio…