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Publicações

2022

Medical rescuers’ occupational health during COVID-19: Contribution of coping and emotion regulation on burnout, trauma and post-traumatic growth [A saúde ocupacional dos profissionais do pré-hospitalar na COVID-19: Contributo do coping e regulação emocional no burnout, trauma e crescimento pós-traumático]

Autores
Fonseca, SM; Cunha, S; Campos, R; Faria, S; Silva, M; Ramos, MJ; Azevedo, G; Barbosa, AR; Queirós, C;

Publicação
Analise Psicologica

Abstract
The COVID-19 pandemic places unique challenges to medical rescuers’ occupational health. Thus, it is crucial to assess its direct and indirect impacts on key psychological outcomes and adaptation strategies. This study aims to analyse the impact of this pandemic on medical rescuers’ coping and emotion regulation strategies, and their levels of work-related psychological outcomes, such as burnout, trauma and post-traumatic growth. Additionally, it aims to analyse the contribution of coping and emotion regulation strategies, employed to manage the COVID-19 pandemic, on burnout, trauma and post-traumatic growth. A sample of 111 medical rescuers answered the Brief Cope, Emotion Regulation Questionnaire, Oldenburg Burnout Inventory, Impact of Event Scale-Revised and Post-Traumatic Growth Inventory. Medical rescuers resorted moderately to coping and emotion regulation strategies, since the beginning of COVID-19. They presented moderate burnout and post-traumatic growth and low trauma. Coping presented a higher weight on burnout, trauma and post-traumatic growth, than emotion regulation. Expressive suppression and dysfunctional coping predicted burnout and trauma, and problem and emotion-focused coping predicted post-traumatic growth. Dysfunctional coping mediated and, thus, exacerbated the effect of expressive suppression on burnout and on trauma. Practitioners should pay closer attention to professionals with higher burnout and trauma. Occupational practices should focus on reducing dysfunctional coping and expressive suppression and promoting problem-focused coping. © 2022, Instituto Superior de Psicologia Aplicada. All rights reserved.

2022

Generation WAVY: a new breed of surface drifters for all ocean domains

Autores
da Silva, António Jorge; Sousa, Alexandre; Pedrera, Félix; Río Fernández, Joaquín del; Pinto, José P.; Oliveira, M.; Gonçalves, Pedro; de Saint Léger, Philippe; Chumbinho, Rogério;

Publicação

Abstract
A new family of multi-purpose, multi-sensor, small sized, easy-to-handle, low-cost, spherical surface drifters is about to appear in the market, with its first three models. The WAVY Ocean is a current, wave and near-surface temperature gradient tracker for the open Ocean; the WAVY Littoral is a current and wave tracker designed for nearshore operations; and the WAVY Basic is a current and nearsurface temperature tracker intended for riverine and estuarine environments, and suitable for citizen science. The WAVY optimized buoyancy - only 30% of the axes above the surface - ensures that their displacement is essentially due to the current, while their small size makes them sensitive to the average vectors in the very near surface. Examples of WAVY Ocean full resolution data from recent observations illustrate the performance and the potential of these drifters in operational missions requiring near-real time data of the very near surface of the ocean.

2022

Deploying Decentralized, Privacy-Preserving Proximity Tracing

Autores
Troncoso, C; Payer, M; Hubaux, JP; Salathé, M; Larus, JR; Bugnion, E; Lueks, W; Stadler, T; Pyrgelis, A; Antonioli, D; Barman, L; Chatel, S; Paterson, KG; Capkun, S; Basin, DA; Beutel, J; Jackson, D; Roeschlin, M; Leu, P; Preneel, B; Smart, NP; Abidin, A; Gürses, SF; Veale, M; Cremers, C; Backes, M; Tippenhauer, NO; Binns, R; Cattuto, C; Barrat, A; Fiore, D; Barbosa, M; Oliveira, R; Pereira, J;

Publicação
COMMUNICATIONS OF THE ACM

Abstract
Lessons from a pandemic.

2022

E-GovSTP: An E-Government Model for a Small Island State, the Case of Sao Tome and Principe

Autores
Vaz, DN; Sousa, B; Mamede, H;

Publicação
INFORMATION SYSTEMS (EMCIS 2021)

Abstract
Literature posits that most data and research on E-Government dominantly focuses on large economies where social, political, organizational and economic aspects of these local contexts significantly differ from other parts of the world. One such part is the group of island states specifically referred to as Small Islands Developing States (SIDS), sharing common challenges of reduced size, diseconomies of scale, impact of climate changes and other challenges. E-Government models should be adapted to local context, and for SIDS this entails understanding the local context so as to formulate a sustainable model. Even though we find studies and models for SIDS, significant differences exists among SIDS that warrant individual approaches. An example of a SIDS is Sao Tome and Principe, where the government is involved in E-Government initiatives. This is visible at the Ministry of Finance where different interacting Departments have developed systems and software tools to manage business processes. These systems and tools are used for interactions internally and with public and private sectors. However, for implementation, there is a lack of a centralized, interoperable vision or directive. Consequences are high total cost of ownership, subsequent costs with interoperability and maintenance, and, in the end, deficient long-term sustainability. Considering the impact of costs of information technology initiatives to the public budget, financed in its majority by development and bilateral assistance, there is a need for an E-Government model that prescribes directives for a sound, interoperable and sustainable E-Government implementation. We propose the development of E-GovSTP, a framework/model that intends to combine technical considerations and aspects of the local context to formulate guidelines for E-Government implementations in the Ministry of Finance. This artifact shall be developed through sound theoretical foundation, application of established standards and guidelines to areas of privacy and security, interoperability and system and communications. Additionally, the fundamental aspects of the local context (political, social and organizational) shall be factored into the model in order to guarantee the sustainability having in mind existing technical, material and financial constrains the country faces.

2022

Host-based IDS: A review and open issues of an anomaly detection system in IoT

Autores
Martins, I; Resende, JS; Sousa, PR; Silva, S; Antunes, L; Gama, J;

Publicação
FUTURE GENERATION COMPUTER SYSTEMS-THE INTERNATIONAL JOURNAL OF ESCIENCE

Abstract
The Internet of Things (IoT) envisions a smart environment powered by connectivity and heterogeneity where ensuring reliable services and communications across multiple industries, from financial fields to healthcare and fault detection systems, is a top priority. In such fields, data is being collected and broadcast at high speed on a continuous and real-time scale, including IoT in the streaming processing paradigm. Intrusion Detection Systems (IDS) rely on manually defined security policies and signatures that fail to design a real-time solution or prevent zero-day attacks. Therefore, anomaly detection appears as a prominent solution capable of recognizing patterns, learning from experience, and detecting abnormal behavior. However, most approaches do not fit the urged requirements, often evaluated on deprecated datasets not representative of the working environment. As a result, our contributions address an overview of cybersecurity threats in IoT, important recommendations for a real-time IDS, and a real-time dataset setting to evaluate a security system covering multiple cyber threats. The dataset used to evaluate current host-based IDS approaches is publicly available and can be used as a benchmark by the community.

2022

Natural Regeneration of Maritime Pine: A Review of the Influencing Factors and Proposals for Management

Autores
Ribeiro, S; Cerveira, A; Soares, P; Fonseca, T;

Publicação
FORESTS

Abstract
The main objective of the present work was to review the current knowledge about the factors that influence the different phases of the natural regeneration of maritime pine (Pinus pinaster Aiton) and propose scientifically based management schedules. The review focused on the natural regeneration of maritime pine within its most representative areas (Portugal, Spain, and France). First, a brief characterisation of the main phases of the natural regeneration of maritime pine is described. Next, information on the factors affecting the natural regeneration of the species is provided, highlighting its positive and negative effects. Finally, management proposals are presented to promote the natural regeneration of maritime pine species. Numerous factors influencing the natural regeneration of maritime pine were identified. Fires and climatic factors can intervene in all three regeneration phases (seeding, germination, and seedling survival and development). The natural regeneration failure of maritime pine species can be aggravated in drier scenarios. Forest management plays an important role as it can promote the natural regeneration of the species.

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