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de interesse
Detalhes

Detalhes

  • Nome

    João Pavão
  • Cargo

    Investigador Sénior
  • Desde

    01 janeiro 2015
Publicações

2024

A Scoping Review of the Use of Blockchain and Machine Learning in Medical Imaging Applications

Autores
Pavao, J; Bastardo, R; Rocha, NP;

Publicação
GOOD PRACTICES AND NEW PERSPECTIVES IN INFORMATION SYSTEMS AND TECHNOLOGIES, VOL 2, WORLDCIST 2024

Abstract
This scoping review systematizes the current research related to the use of both blockchain and machine learning techniques in medical imaging applications. A systematic electronic search was performed, and twenty-five studies were included in the review. These studies aimed to use blockchain and machine learning techniques to provide (i) efficient security mechanisms to support the communication of medical imaging data, (ii) aggregation of distributed medical imaging data to train machine learning algorithms, and (iii) machine learning algorithms based on federated learning strategies. Among the ten machine learning techniques identified in the included studies, Convolutional Neural Network was the most representative (i.e., 44% of the studies). Moreover, Artificial Neural Network, Capsule Network, Deep Neural Network, Gated Recurrent Units, and Neural Network were machine learning techniques used by more than one study. Although the included studies developed algorithms with potential impact in clinical practice, it must be noted that they did not discuss the generalizability of their algorithms in real-world clinical conditions.

2024

Cyber Resilience of Cyber-Physical Systems and Machine Learning, a Scoping Review

Autores
Pavão, J; Bastardo, R; Rocha, NP;

Publicação
Lecture Notes in Networks and Systems

Abstract
The scoping review reported by this paper aimed to analyze and synthesize state-of-the-art studies focused on the application of machine learning methods to enhance the cyber resilience of cyber-physical systems. An electronic search was conducted, and 24 studies were included in this review after the selection process. The most representative application domains were computer networks and power systems, while in terms of cyber resilience functions, risk identification, risk mitigation or protection, and detection of anomalous situations were the most implemented functions. Moreover, the results of this scoping review show that the interest in the topic of cyber resilience and machine learning is quite recent, which justifies the heterogeneity of the included studies in terms of machine learning methods and datasets being used for the experimental validations, as well as in terms of outcomes being measured. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.

2024

Integrating Virtual Reality in Cognitive Training of Older Adults Without Cognitive Impairment: A Systematic Review of Randomized Controlled Trials

Autores
Pavão, J; Bastardo, R; da Rocha, NP;

Publicação
Proceedings of the 10th International Conference on Information and Communication Technologies for Ageing Well and e-Health, ICT4AWE 2024, Angers, France, April 28-30, 2024.

Abstract
This article aimed to analyse state-of-the-art empirical evidence of randomized controlled trials designed to assess preventive cognitive training interventions based on virtual reality for older adults without cognitive impairment, by identifying virtual reality setups and tasks, clinical outcomes and respective measurement instruments, and positive effects on outcome parameters. A systematic electronic search was performed, and six randomized controlled trials were included in the systematic review. In terms of results, the included studies pointed to significant positive impact of virtual reality-based cognitive training interventions on global cognition, memory, attention, information processing speed, walking variability, balance, muscle strength, and falls. However, further research is required to evaluate the adequacy of the virtual reality setups and tasks, to study the impact of the interventions’ duration and intensity, to understand how to tailor the interventions to the characteristics and needs of the individuals, and to compare face-to-face to remote interventions. © 2024 by SCITEPRESS – Science and Technology Publications, Lda.

2023

Integrating Security and Privacy Mechanisms with Fast Health Interoperability Resources (FHIR), a Scoping Review

Autores
Pavão, J; Bastardo, R; Rocha, NP;

Publicação
Lecture Notes in Networks and Systems

Abstract
The scoping review reported by this article aimed to analyse how security and privacy mechanism are being integrated with Fast Health Interoperability Resources (FHIR). An electronic search was conducted, and 37 studies were included in the review. The results show that 19 studies (i.e., more than half of the included studies) reported on the use of blockchain technology to (i) assure secure data sharing, (ii) provide secure Personal Health Records, (iii) support authentication and auditing mechanisms, (iv) support smart legal contracts, and (v) monitor the access to clinical data. The remainder 18 articles reported on the implementation of security and privacy mechanisms related to (i) data security at transmission, (ii) data security at storage, (iii) access control; (iv) data anonymization, and (v) management of informed consents. © 2023, The Author(s), under exclusive license to Springer Nature Switzerland AG.

2023

Cyber Resilience and Smart Cities, a Scoping Review

Autores
Pavao, J; Bastardo, R; Rocha, NP;

Publicação
Iberian Conference on Information Systems and Technologies, CISTI

Abstract
The scoping review reported by this article aimed to analyze and synthesize state-of-the-art studies focused on the integration of cyber resilience in the implementation of smart cities. An electronic search was conducted, and 11 studies were included in this review after the selection process. According to the findings, cyber resilience represents a gap of the current research related to smart cities and, therefore, additional efforts are required to guarantee that smart cities are resilient to challenging events such as cyber-attacks or natural disasters. © 2023 ITMA.

Teses
supervisionadas

2023

Análise do risco em cibersegurança num laboratório de patologia clinica de um hospital em Portugal

Autor
Ana Luísa Correia Teixeira

Instituição
UTAD

2023

Análise do risco em cibersegurança dos serviços de imagiologia de um hospital em Portugal

Autor
Ana Patricia do Poço Borges

Instituição
UTAD

2021

Estudo e Adaptação das politicas de segurança de um centro hospitalar à Framework de cibersegurança do NIST-CSF, correlacionando com o modelo cobit 5 e HIPAA

Autor
Bruno António Lobo Pereira

Instituição
UTAD

2019

Desenvolvimento de aplicações de escalas de avaliação em saúde

Autor
Sérgio Filipe Coutinho Rebelo

Instituição
UTAD

2019

The modeling of na enterprise architecture in Hospital Wards using archimate

Autor
Camilla Steinhart

Instituição
UTAD