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Publications

2013

Operation of multi-microgrids

Authors
Lopes, JAP; Madureira, A; Gil, N; Resende, F;

Publication
Microgrids: Architectures and Control

Abstract

2013

Related work

Authors
Cardoso, JMP; De F. Coutinho, JG; Diniz, PC;

Publication
Compilation and Synthesis for Embedded Reconfigurable Systems: An Aspect-Oriented Approach

Abstract
This chapter presents the most relevant related work with respect to the compilation and synthesis approach developed in the context of the REFLECT project. We survey current techniques and methodologies for the mapping of computations described in high-level programming languages to reconfigurable architectures. We give particular emphasis to compilation systems that map imperative (C-like) languages to target FPGA-based systems. We also describe previous work on compiler optimizations, automated high-level synthesis, and strategies for back-end synthesis, mapping as well as placement and routing. Finally, we include an overview of EU-funded projects relevant to REFLECT. © Springer Science+Business Media New York 2013. All rights are reserved.

2013

OpenML: A collaborative science platform

Authors
Van Rijn, JN; Bischl, B; Torgo, L; Gao, B; Umaashankar, V; Fischer, S; Winter, P; Wiswedel, B; Berthold, MR; Vanschoren, J;

Publication
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

Abstract
We present OpenML, a novel open science platform that provides easy access to machine learning data, software and results to encourage further study and application. It organizes all submitted results online so they can be easily found and reused, and features a web API which is being integrated in popular machine learning tools such as Weka, KNIME, RapidMiner and R packages, so that experiments can be shared easily. © 2013 Springer-Verlag.

2013

Cosmetic outcome after intraoperative radiotherapy or external beam radiotherapy for early breast cancer: An objective assessment of patients from a randomized controlled trial.

Authors
Keshtgar, MR; Williams, NR; Corica, T; Bulsara, M; Saunders, C; Flyger, H; Bentzon, N; Cardoso, JS; Michalopoulos, N; Joseph, DJ;

Publication
JOURNAL OF CLINICAL ONCOLOGY

Abstract
1110 Background: The international randomised contolled TARGeted Intraoperative radioTherapy (TARGIT) trial has demonstrated non-inferiority between the novel technique of TARGIT (intra-operative radiotherapy with Intrabeam) and conventional whole-breast external beam radiotherapy (EBRT) in women with early breast cancer, in terms of the primary outcome measure of risk of local relapse within the treated breast. With very low recurrence rates, cosmesis becomes an increasingly important outcome of breast conserving treatment with both surgery and radiotherapy. This study was performed to determine if the single high dose of TARGIT leads to impaired cosmesis. Methods: A validated, objective assessment tool for evaluation of cosmetic outcome was used. Frontal digital photographs were taken at baseline (before TARGIT or EBRT) and yearly thereafter for up to five years. The photographs were analysed by BCCT.core software which produces a composite score based on symmetry, colour and scar. Results: 342 patients were assessed, all over 50 years old with a median age at baseline of 64 years (IQR 59 to 68). The scores were dichotomised into Excellent and Good (EG), and Fair and Poor (FP). There were statistically significant increases in the odds of having an outcome of EG for patients in the TARGIT group relative to the EBRT group at year 1 (OR = 2.07, 95%CI 1.12 to 3.85, p = 0.021) and year 2 (OR = 2.11, 95%CI 1.0 to 4.45, p = 0.05). Conclusions: Following an objective assessment of aesthetic outcome in patients from a randomised setting, this study demonstrates that those treated with targeted intraoperative radiotherapy have a superior cosmetic result compared with those patients who received conventional whole-breast external beam radiotherapy.

2013

Federation technology and Virtual Worlds for Learning: Research trends and opportunities towards identity federation

Authors
Cruz, G; Costa, A; Martins, P; Gonçalves, R; Barroso, J;

Publication
2013 5TH INTERNATIONAL CONFERENCE ON GAMES AND VIRTUAL WORLDS FOR SERIOUS APPLICATIONS (VS-GAMES)

Abstract
Currently, Virtual Worlds technology is used for educational purposes in a cross-disciplinary way. However, particularly in formal learning institutions, its widespread adoption is far from being a reality due a broad range of technological challenges. This paper addresses identity federation systems as possible solutions to some of the interoperability, security and user management problems. Our major goal is to present what systems, architectures and standards are standing out, how the research area is moving toward identity federation, and why educational institutions need to address it. We consider identity, privacy, security-assurance, and interoperability as main concerns within our analysis, in order to interconnect digital identities with physical identities, and create a unique federated identity system that can act independently from the service in use. Thus, VWs technologies will be able to scale and evolve independently without compromising user's identity.

2013

Putting “Human Crowds” in the Loop of Bibliography Evaluation: A Collaborative Working Environment for CSCW Publications

Authors
Correia, A; Santos, J; Azevedo, D; Paredes, H; Fonseca, B;

Publication
Procedia Technology

Abstract

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