Christophe Pinto de Almeida Soares

Universidade Fernando Pessoa | UFP · ISUS – Intelligent Sensing and Ubiquitous Systems

The blockchain's immutability has allowed previously centralized operations to operate in a new way. The possibility of applications having a new architecture is given thanks to the innovative properties of the technology, which brought alternative control designs for distributed systems and allowed applications to work without the need for a centr...

Ambient assisted living (AAL) environments represent a key concept for dealing with the inevitable problem of population-ageing. Until recently, the use of computational intensive techniques, like Machine Learning (ML) or Computer Vision (CV), were not suitable for IoT end-nodes due to their limited resources. However, recent advances in edge intel...

Psoriasis is a chronic inflammatory skin disease with a high worldwide incidence that in worst cases reaches 4.6%. This dermatosis can be associated with other comorbidities and has a significant negative impact on labor productivity and the quality of life of affected people. During day-to-day lives, psoriasis patients come across several practica...

The aim of this chapter focuses on featuring firmed IoT architecture paradigms and advocating, knowingly in concrete use cases, the combined use of such architecture categories. It is common knowledge that the growing demand for embedded processing, interconnection, and integration facilities in everyday objects is being driven by a multitude of Io...

Academic certifications are achievements desired by people, because they have a direct impact, positively, on their social lives. Such an important document, still widely issued in paper format, may be subject to forgery or impossibility of verification due to the unavailability of the issuing entity. This work consists of identifying, analyzing an...

This paper presents an efficient, battery-powered, low-cost, and context-aware IoT edge computing solution tailored for monitoring a real enterprise cooking oil collecting infrastructure. The presented IoT solution allows the collecting enterprise to monitor the amount of oil deposited in specific barrels, deployed country-wide around several partn...

Cloud computing is omnipresent and plays an important role in today’s world of Internet of Things (IoT). Several IoT devices and their applications already run and communicate through the cloud, easing the configuration burden for their users. With the expected exponential growth on the number of connected IoT devices this centralized approach rais...

Applications built on blockchain technology face many challenges, namely when they perform corrective operations on their databases. Unlike immutability, which is characteristic of a blockchain, corrective operations must be done without altering the existing data and guaranteeing privacy. Such conditions, make this task more complex for this kind...

The authenticity of academic diplomas is a matter of great concern for employers and other authorities to verify the authenticity of academic degrees. The issuing institutions may have closed or fail to keep accurate records. In these situations, the verification of academic diplomas launches challenges. In a worldwide education market, many instit...

Abstract The world population is facing several difficulties related to an aging society. In particular, the widespread increase of chronic and incapacitating diseases is overwhelming for traditional healthcare services. Ambient assisted living (AAL) systems can greatly improve healthcare scalability and scope while keeping people in the comfort of...

Forest fires can have devastating consequences if not detected and fought before they spread. This paper presents an automatic fire detection system designed to identify forest fires, preferably, in their early stages. The system pipeline processes images of the forest environment and is able to detect the presence of smoke or flames. Additionally,...

The longevity of the population is the result of important scientific breakthroughs in recent years. However, living longer with quality, also brings new challenges to governments, and to the society as a whole. One of the most significant consequences will be the increasing pressure on the healthcare services. Ambient Assisted Living (AAL) systems...

Location data plays an important role in several applications embedded in our digital living. These applications, usually, take advantage of Global Positioning System (GPS). However, GPS is not targeted for indoor location, therefore this paper presents an alternative system, based on Bluetooth Low Energy (BLE) beacons that together with bluetooth-...

The Águeda School of Technology and Management – University of Aveiro (ESTGA-UA), in Portugal, implements since 2001 a Project-Based Learning Model in its higher education study programs, where the key point is to stimulate students to solve real life problems in a multidisciplinary scenario. The Project-Based Learning Model implemented at ESTGA-UA...

Context-aware ubiquitous computing systems should be able to introspect the surrounding environment and adapt their behavior according to other existing systems and context changes. Although numerous ubiquitous computing systems have been developed that are aware of different types of context such as location, social situation, and available comput...

Commercial off-the-shelf devices and applications are expected to be pivotal in the coming massive deployment of pervasive computing technology in home settings. The integration of these devices and applications in the same household may result in unplanned interactions involving users and entertainment, communication, and health-related devices an...

In the current digital age, the adoption of natural interfaces between humans and machines is increasingly important. This trend is particularly significant in the education sector where interactive tools and applications can ease the presentation and comprehension of complex concepts, stimulate collaborative work, and improve teaching practices. A...

Smart-space modeling is a fundamental require-ment towards the achievement of safe integration of pervasive systems and devices. Traditional behavior models lack explicit representation of rich semantic for ubicomp systems. We propose a graph-based model supporting ubicomp's compu-tational, physical, user and temporal contextual information. The mo...

Statistics show an aging trend in the world popu-lation, which will progressively overload existing health systems. Therefore, we believe that ubiquitous computing will play an important role in domicile settings, coping with the growing need for automated home healthcare support, especially for the sick and elderly. The integration of independentl...

Off-the-shelf smart devices and applications are expected to be pivotal in the coming need for massive home care. Deployment and integration of these systems in the same household may result in unplanned interactions involving users and entertainment, communication, and health-related devices. These unplanned interactions are a major concern when,...

Off-the-shelf smart devices and applications are expected to be pivotal in the coming need for massive home care. Deployment and integration of these systems in the same household may result in unplanned interactions involving users and entertainment, communication, and health-related devices. These unplanned interactions are a major concern when,...

Context-aware ubiquitous computing systems ex-amine their environment and act according to it, reacting and adapting to environment changes. Although numerous ubiquitous computing systems have been developed that are aware of different types of context such as location, social situation, and available computational resources, few are aware of their...

Basic human activity recognition performed by ubiquitous devices represents one important area of research seeking for systems that are simple to use, reliable, accurate, and of low cost. Each human possesses individual and distinct characteristics in the way that performs physical activities such as walking or running. Therefore, it is important t...

The Safe Home Care project focuses on assem-bling safe home assisted-living environments built on au-tonomous Off-The-Shelf systems. We argue that these smart spaces will contribute to relieve the pressure on health sys-tems by providing the means for ambulatory and daily life assistance. However, the integration of disparate sovereign systems will...

Na era digital actual, a adopção de interfaces naturais entre o homem e a máquina torna- INTRODUÇÃO Ao longo dos anos a evolução tecnológica tem sido notável, no entanto, nem todas as áreas têm seguido o mesmo ritmo. Na educação, por exemplo, o objecto central da sala de aula é ainda o quadro que, na maioria dos casos, não faz parte da era digital....