A5002127848- Magnetic confinement fusion research
- Ionosphere and magnetosphere dynamics
- Complex Network Analysis Techniques
- Opinion Dynamics and Social Influence
- Hate Speech and Cyberbullying Detection
- Superconducting Materials and Applications
- Social Media and Politics
- Atomic and Subatomic Physics Research
- Fusion materials and technologies
- Plasma Diagnostics and Applications
- Video Analysis and Summarization
- Game Theory and Applications
- Distributed and Parallel Computing Systems
- Cellular Automata and Applications
- Image Retrieval and Classification Techniques
- Laser-Plasma Interactions and Diagnostics
- Advanced Image and Video Retrieval Techniques
- Soil Moisture and Remote Sensing
- Geophysics and Sensor Technology
- Chronic Obstructive Pulmonary Disease (COPD) Research
- Evolutionary Game Theory and Cooperation
- Swearing, Euphemism, Multilingualism
- Particle accelerators and beam dynamics
- Freedom of Expression and Defamation
- South Asian Studies and Conflicts
Pontifícia Universidade Católica do Paraná
2025
Iscte – Instituto Universitário de Lisboa
2009-2024
Sapienza University of Rome
2013
Instituto Superior de Tecnologias Avançadas
2009-2010
Instituto de Engenharia de Sistemas e Computadores Investigação e Desenvolvimento
2008
Technologies pour la Santé
2008
University of Bologna
2008
Universidade de São Paulo
2007
United Kingdom Atomic Energy Authority
2006
Culham Science Centre
2006
Objective The objective was to evaluate the early-stage immunoexpression of markers (COX-2, NF-kB, VEGFR-1 and apoptotic index) related inflammation, angiogenesis, cell survival in tongue dorsum epithelium mice exposed hookah smoke. Materials methods sample consisted Swiss (N = 20), female gender, aged 2 months, approximately 25g each, four groups (n 5) mice: group fresh air smoke for 7, 15, 30 days. Tongues were embedded paraffin. A tissue microarray constructed, immunohistochemistry...
This paper investigates the pervasive issue of hate speech within Twitter/X Portuguese network conversations, offering a multifaceted analysis its characteristics. study utilizes mixed-method approach, combining several methodologies (triad census and participation shifts) over interaction between users. Qualitative manual content annotation was applied to dataset dissect different patterns on platform. Key findings reveal that number users followed by an individual potentially reads is...
The detection of Alfven cascades is great importance for the development advanced plasma scenarios with reversed magnetic shear on JET tokamak, since they allow determination minimum safety factor and provide valuable information modes that may redistribute fast ions via resonant interaction. X-mode reflectometry particularly powerful this diagnosis time-frequency evolution, mode amplitude radial localization these eigenmodes (AEs) can be simultaneously obtained. This paper reports first...
The 1st Joint (Host Laboratory) Experiment on 'joint research using small tokamaks' was carried out the IPP Prague experimental facility 'CASTOR tokamak'. main programme aimed at characterizing edge plasma in a tokamak by different advanced diagnostic techniques. It is widely recognized that characterization of phenomena occurring essential for understanding confinement tokamak. and large scale experiments has many similar features, results obtained through detailed measurements flexible...
In this paper, we discuss the phenomena that link particle recycling from vessel walls in L-mode during discharge start-up and core confinement H-mode subsequent main heating phase. We consider available data of JET experiments aimed at approaching fully non-inductive ITER-relevant steady-state conditions show high electron temperature produced edge by a low tends to favour build-up normalized β(βN) regimes H-mode, being improved large plasma volume. To provide an insight into complex...
This paper presents an overview of the results obtained during Joint Experiments organized in framework IAEA Coordinated Research Project on ‘Joint Using Small Tokamaks’ that have been carried out tokamaks CASTOR at IPP Prague, Czech Republic (2005), T-10 RRC ‘Kurchatov Institute’, Moscow, Russia (2006), and most recent one ISTTOK IST, Lisbon, Portugal, 2007. Experimental programmes were aimed diagnosing characterizing core edge plasma turbulence a tokamak order to investigate correlations...
Conflicts involving caste issues, mainly concerning the lowest rights, pervade modern Indian society. Caste affiliation, being rigorously enforced by society, is an official contemporary reality. Although identity a major social discrimination, it also serves as necessary condition for affirmative action like reservation policy. In this article, we perform original and rigorous analysis of discourse theme “caste” in India newspapers. To purpose, have implemented computational over big...
Data acquisition systems with self-adaptive sampling rate capabilities have been proposed as a solution to reduce the shear amount of data collected in every discharge present fusion devices. This paper discusses design such system for its use KG8B correlation reflectometer at JET. The system, which is based on ITMS platform, continuously adapts sample during depending signal bandwidth. are acquired expected maximum and transferred memory buffer host processor. Thereafter rest process...
This paper discusses a tool specially developed for the analysis of radial correlation reflectometry data in JET. The tool, which calculates length and coherent reflection from raw data, has been designed offline to assist diagnostic operators. After being verified controlled tests using theoretical signals, is validated by means study ITB plasmas
The performance of intelligent data acquisition systems relies heavily on their processing capabilities and local bus bandwidth, especially in applications with high sample rates or number channels. This is the case self adaptive sampling rate system installed as a pilot experiment KG8 B correlation reflectometer at JET. system, which based ITMS platform, continuously adapts during depending signal bandwidth. In order to do so it must transfer acquired memory buffer host processor run heavy...
The rapid rise of social media has brought about new ways digital communication, along with a worrying increase in online hate speech (HS), which, turn, led researchers to develop several Natural Language Processing methods for its detection. Although significant strides have been made automating HS detection, research focusing on the European Portuguese language remains scarce (as it happens under-resourced languages). To address this gap, we explore efficacy various transfer learning...
Based on radial velocities, EXORAP photometry, and activity indicators, the HADES team reported a 16.3-day rotation period for M dwarf GJ 3942. However, an RV--H$\alpha$ magnitude-squared coherence estimate has significant peaks at frequencies 1/16 cycles/day 1/32 cycles/day. We re-analyze data plus Hipparcos, SuperWASP, TESS photometry to see whether could be 32 days with 16-day harmonic. SuperWASP shows no periodicities, while Hipparcos observing cadence is suboptimal detecting 16- 32-day...
LHCD has been used in JET experiments aimed at producing internal transport barriers (ITBs) highly triangular plasmas (δ≈0.4) high βN (up to 3) for steady‐state application. The is a potentially valuable tool (i) modifying the target q‐profile, which can help avoid deleterious MHD modes and favour formation of ITBs, (ii) contributing non‐inductive current drive required prolong such plasma regimes. q‐profile evolution simulated during ramp‐up phase discharge (B0 = 2.3 T, IP 1.5 MA) where 2...
An X-mode swept-frequency reflectometry diagnostic has recently been upgraded for density profile measurement on the JET tokamak. To overcome extensive computing time required full-wave simulation, a ray-tracing code developed studying 3D geometry effects of profile. Although such is not adequate to examine role plasma turbulence, comparisons with computations have shown that it still useful tool simulation measurements in case smooth spatial variations parameters. The and radiation pattern...