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Publications

2017

Curvas de crescimento dos portugueses dos 3 aos 7 anos: peso, estatura e índice de massa corporal

Authors
Freitas, D,; Poínhos, Rui; Sousa, Bruno; Franchini, Bela; Afonso, Cláudia; Correia, Flora; Almeida, Maria Daniel Vaz de; Oliveira, B.M.P.M.;

Publication

Abstract

2017

New PELS/IAS Student Branch Chapter Formed at the Federal University of Campina Grande

Authors
de Freitas, NB; Costa, LA; Vitorino, MA;

Publication
IEEE POWER ELECTRONICS MAGAZINE

Abstract

2017

Instantiating the PERFORM system architecture for industrial case studies

Authors
Leitão, P; Barbosa, J; Foehr, M; Calà, A; Perlo, P; Iuzzolino, G; Petrali, P; Vallhagen, J; Colombo, AW;

Publication
Studies in Computational Intelligence

Abstract
The PERFoRM project, an innovation action promoted within the scope of the EU Horizon 2020 program, advocates the use of an Industrie 4.0 compliant system architecture for the seamless reconfiguration of robots and machinery. The system architecture re-uses the innovative results from previous successful R&D projects on distributed control systems domain, such as SOCRADES, IMC-AESOP, GRACE and IDEAS. This paper, after describing the main pillars of the PERFoRM system architecture, focuses on mapping the system architecture into four industrial use cases aiming to validate the system architecture design before its deployment in the real environments. © Springer International Publishing AG 2017.

2017

Online resources for PCAWG data exploration, visualization, and discovery

Authors
Goldman, M; Zhang, J; Fonseca, NA; Xiang, Q; Craft, B; Piñeiro-Yáñez, E; O'Connor, B; Bazant, W; Barrera, E; Muñoz, A; Petryszak, R; Füllgrabe, A; Al-Shahrour, F; Keays, M; Haussler, D; Weinstein, J; Huber, W; Valencia, A; Papatheodorou, I; Zhu, J; Ferreti, V; Vazquez, M; PCAWG-12 Working Group,; PCAWG Network,;

Publication

Abstract
The Pan-Cancer Analysis of Whole Genomes (PCAWG) cohort provides a large, uniformly-analyzed, whole-genome dataset. The PCAWG Landing Page (http://docs.icgc.org/pcawg) focuses on four biologist-friendly, publicly-available web tools for exploring this data: The ICGC Data Portal, UCSC Xena, Expression Atlas, and PCAWG-Scout. They enable researchers to dynamically query the complex genomics data, explore tumors' molecular landscapes, and include external information to facilitate interpretation.

2017

A Study on Load Modulation for Underwater Wireless Power Transfer

Authors
Duarte, C; Goncalves, F; Ressurreicao, T; Gomes, R; Correia, V; Goncalves, R; Santos, R;

Publication
OCEANS 2017 - ABERDEEN

Abstract
In this work we present a study addressing the load modulation for wireless power transfer in underwater applications. A voltage-mode class-D in a series-series resonance topology is analyzed with simplified equations provided to describe the operation of the wireless power system, including the influence of the load on the primary side. The analysis is validated through simulation results provided for a resistive load modulation using component SPICE models, including the characterization of coupling coils in salt water.

2017

cf4ocl: A C framework for OpenCL

Authors
Fachada, N; Lopes, VV; Martins, RC; Rosa, AC;

Publication
SCIENCE OF COMPUTER PROGRAMMING

Abstract
OpenCL is an open standard for parallel programming of heterogeneous compute devices, such as GPUs, CPUs, DSPs or FPGAs. However, the verbosity of its C host API can hinder application development. In this paper we present cf4ocl, a software library for rapid development of OpenCL programs in pure C. It aims to reduce the verbosity of the OpenCL API, offering straightforward memory management, integrated profiling of events (e.g., kernel execution and data transfers), simple but extensible device selection mechanism and user-friendly error management. We compare two versions of a conceptual application example, one based on cf4ocl, the other developed directly with the OpenCL host API. Results show that the former is simpler to implement and offers more features, at the cost of an effectively negligible computational overhead. Additionally, the tools provided with cf4ocl allowed for a quick analysis on how to optimize the application.

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