Nuno Pombo

Nuno Pombo
Universidade da Beira Interior | UBI · Department of Computer Science

PhD

About

115
Publications
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1,286
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Publications

Publications (115)
Chapter
The increasingly acceptance of Internet of Things (IoT) devices adversely contribute to the accumulation of massive amounts of data which challenges for the adoption of techniques capable to handle it. This paper first presents overall points of deep learning, and IoT principles. After that, this paper uses the human recognition activity scenario t...
Article
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Quality-in-use characteristics can be measured to assess the quality of the software and even point out problems in its production since they reflect the quality of the system perceived by the end-users identified in the running systems. Measuring such characteristics is a way of verifying that the software meets the requirements and expectations o...
Article
Context: Ethics have broad applications in different fields of study and different contexts. Like other fields of study, ethics have a significant impact on the decisions made in computing concerning software artifact production and its processes. Hence, in this research, ethics is considered in the context of requirements engineering during the so...
Article
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World-wide statistics show a considerable growth of the occurrence of different types of Diabetes Mellitus, posing diverse challenges at many levels for public health policies. Some of these challenges may be addressed by means of computerised systems which may pave the way to provide practitioners with insight on their patient’s conditions anywher...
Article
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Introduction/purpose: This paper presents the transformation of the current, classical approach to teaching. Online platforms enable students with and without disabilities to follow classes without hindrance during the lecture period. After the lecture, they are allowed to view video and presentation materials. The main advantage of this way of tea...
Conference Paper
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Cultural background of end users is usually neglected in the interface and product design as well as in the development process. This has led to poor usability and reduced quality of user experience of early products. This paper presents the effect of the cultural issues on the user experience of older adults from the Philippines and Portugal when...
Article
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It is every parent’s wish to protect their children from online pornography, cyber bullying and cyber predators. Several existing approaches analyze a limited amount of information stemming from the interactions of the child with the corresponding online party. Some restrict access to websites based on a blacklist of known forbidden URLs, others at...
Article
Context: Clinical decision support systems (CDSSs) are used to help healthcare professionals in making decisions, offering them a tool for improved medical care practices based on monitoring and management procedures. Although CDSSs exhibit many advantages, challenges remain in terms of their adoption in the clinician community. One such issue is...
Article
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In the last decade, we have seen an increase in the use cases of digital technologies in our daily lives, including advanced systems such as our mobile applications, smart digital kiosks for intelligent retailing, touch screens for ordering food, or simple implementations such as the ticket machines in the butchers. However, from the perspective of...
Article
Background: Clinical decision support systems (CDSSs) are developed to support healthcare practitioners with decision-making about therapy and diagnosis’ confirmation, among others. Although there are many advantages of using CDSSs, there are still many challenges in their adoption. Therefore, it is essential to ensure the quality of the system, so...
Article
Background and aim Hypoglycaemia prediction play an important role in diabetes management being able to reduce the number of dangerous situations. Thus, it is relevant to present a systematic review on the currently available prediction algorithms and models for hypoglycaemia (or hypoglycemia in US English) prediction. Methods This study aims to s...
Chapter
Sentiment analysis on social networks plays a prominent role in many applications. The key techniques here are how to identify opinions, to classify sentiment polarity, and to infer emotions. In this study, we proposed a sentence-level sentiment analysis based on a microblogging platform like Twitter. Comprehensive evaluation results on real-world...
Chapter
Today and all around the globe there is a national emergency service in almost every country. These services typically offer through telephone calls access to medical services that ranged from advice to on-the-spot response to hazardous situations. These emergency call systems have become very popular and the proliferation of mobile devices and the...
Article
Atrial Fibrillation (AF) is a type of arrhythmia characterized by irregular heartbeats, with four types, two of which are complicated to diagnose using standard techniques such as Electrocardiogram (ECG). However, and because smart wearables are increasingly a piece of commodity equipment, there are several ways of detecting and predicting AF episo...
Preprint
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The User Datagram Protocol (UDP) and other similar protocols send the application data from the source machine to the destination machine inside segments, without foreseeing nor allowing for any type of control on the transmission or success metrics. These protocols are very convenient for e.g. real time data transmission. But when the reliability...
Article
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This literature review aims to introduce and investigate the topics addressed in the development of this project, where we assess the development of functional clothing with integration of bio-signals sensors, exploring the textile materials, ergonomics, andrometry, usability and wearability. Keywords: Ergonomics/Andrometry, Biosignals sensors, Usa...
Article
A Clinical Decision Support System (CDSS) aims to assist physicians, nurses and other professionals in decision-making related to the patient's clinical condition. CDSSs deal with pertinent and critical data, and special care should be taken in their design to ensure the development of usable, secure and reliable tools. Objective: This paper aims...
Chapter
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Home Intelligent Assistants (HIAs) typically integrate several types of healthcare and well-being solutions that include mobile applications, sensors or wearables. These solutions are usually connected to the HIA through the Internet designing an Internet of Things (IoT) ecosystem. This paper presents an IoT healthcare ecosystem for smart home envi...
Article
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The number of older adults is increasing worldwide, and it is expected that by 2050 over 2 billion individuals will be more than 60 years old. Older adults are exposed to numerous pathological problems such as Parkinson’s disease, amyotrophic lateral sclerosis, post-stroke, and orthopedic disturbances. Several physiotherapy methods that involve mea...
Chapter
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Smart environments and mobile devices are two technologies that when combined may allow the recognition of Activities of Daily Living (ADL) and its environments. This paper focuses on the literature review of the existing machine learning methods for the recognition of ADL and its environments , by means of comparison jointly with a proposal of a n...
Chapter
The neural activity of the brain may be observed by means of an electroencephalogram (EEG) whose analysis and/or interpretation may lead to the recognition of human activities and behaviors. However, on imagined body movements the brain produces the same EEG patterns as the action performed. This study aims to differentiate real movements from imag...
Chapter
The subjectivity and the multidimensionality of pain raises several challenges in terms of its description, assessment and treatment. This study presents a Clinical Decision Support System for the pain condition based on the fusion of its different dimensions in order to produce an accurate and reliable assessment. The proposed system includes not...
Book
This book presents papers from HealthyIoT 2018, the fifth edition of an international scientific event series dedicated to Internet of Things and Healthcare. The papers discuss leveraging a set of existing and emerging technologies, notions and services that can provide many solutions to delivery of electronic healthcare, patient care, and medical...
Article
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This article presents a study on the efficiency of implementing classifiers for the detection of sleep apnea moments based on a minute-to-minute Electrocardiogram (ECG) signal, detailing the comparison of the accuracy for different classifiers. At each ECG signal, a Sgolay filter was applied to extract the Heart Rate Variability (HRV) and the ECG-D...
Chapter
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With the passage of time and together with the evolution of ubiquitous systems with great processing capacity, various forms of use and that allow the realization of several studies and the joining of areas of knowledge quite heterogeneous as computer science and physiotherapy. The use of smartphones in conjunction with inertial sensors represents...
Article
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The identification of Activities of Daily Living (ADL) is intrinsic with the user’s environment recognition. This detection can be executed through standard sensors present in every-day mobile devices. On the one hand, the main proposal is to recognize users’ environment and standing activities. On the other hand, these features are included in a f...
Preprint
Full-text available
Falling is a commonly occurring mishap with elderly people, which may cause serious injuries. Thus, rapid fall detection is very important in order to mitigate the severe effects of fall among the elderly people. Many fall monitoring systems based on the accelerometer have been proposed for the fall detection. However, many of them mistakenly ident...
Chapter
During pregnancy and lactation, woman breasts feel changes like blood flow increasement, associated with a higher breast temperature. We performed an exploratory study of the breast skin temperature of lactating and non-lactating women based on thermography, with a qualitative analysis of the temperature patterns and a quantitative evaluation of th...
Conference Paper
Full-text available
The Timed-Up and Go test is a very used test in the physiotherapy area. For the measurement of the results of the test, we propose to use a smartphone with several embedded sensors, including accelerometer, magnetometer, gyroscope, a Bitalino device with the Electromyography (EMG) and Electrocardiography (ECG) sensors, and a second Bitalino device...
Conference Paper
Full-text available
Recently human behaviour recognition based on mobile devices have become attractive to facilitate Ambient Assisted Living (AAL). Due to the diversities of data acquired from a large range of sensors that are available in the off-the-shelf mobile devices, the overfitting problems are highly concerned in the training of Artificial Neural Networks (AN...
Conference Paper
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The increasing number of teenagers with obesity and sedentary lifestyle is related to the poor habits of diet and physical activity. There is a large diversity of mobile applications related to diet control and physical activity, mainly directed to adults and without any medical control. CoviHealth project consists of the implementation of a mobile...
Conference Paper
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There is a huge number of mobile devices which use as an e-Health and m-Health system. The main purpose of the article is to make a review of frameworks for continuous data acquisition to identify the most commonly used and better methods. We are discussing environmental monitoring, middle-tier, cross-sending, and middleware frameworks such as SeeM...
Article
Full-text available
Internet of Things (IoT) is an evolution of the Internet and has been gaining increased attention from researchers in both academic and industrial environments. Successive technological enhancements make the development of intelligent systems with a high capacity for communication and data collection possible, providing several opportunities for nu...
Article
A wise feature selection from minute-to-minute Electrocardiogram (ECG) signal is a challenging task for many reasons, but mostly because of the promise of the accurate detection of clinical disorders, such as the sleep apnea. In this study, the ECG signal was modeled in order to obtain the Heart Rate Variability (HRV) and the ECG-Derived Respiratio...
Preprint
This paper focuses on the recognition of Activities of Daily Living (ADL) applying pattern recognition techniques to the data acquired by the accelerometer available in the mobile devices. The recognition of ADL is composed by several stages, including data acquisition, data processing, and artificial intelligence methods. The artificial intelligen...
Article
Full-text available
The purpose of this paper was to create service models for cognitively stimulating mobile games and incorporate them into Finnish and Chinese elderly care. The implementation involved the use of two different mobile games as part of the everyday lives of older adults in care homes in Finland (3 months) and China (6 months). Although a large number...
Article
Full-text available
Departing from the well-known problem of the excessive overhead and latency of connection oriented protocols, this paper describes a new almost reliable connectionless protocol that uses User Datagram Protocol (UDP) segment format and is UDP compatible. The problem is presented and described, the motivation, the possible areas of interest and the c...
Article
The detection of the environment where the user is located, is of extreme use for the identification of Activities of Daily Living (ADL). ADL can be identified by use of the sensors available in many off-the-shelf mobile devices, including magnetic and motion, and the environment can be also identified using acoustic sensors. The main objective of...
Research Proposal
Full-text available
Novel information and communication technologies create possibilities to change the future of care models towards a personalized healthcare. In line with this, Ambient Assisted Living (AAL) concepts may to provide ambient intelligence technologies to enable for example elderly people and chronic patients to continue to live in their preferred envir...
Chapter
Full-text available
With the increasing number of scientific publications, the analysis of the trends and the state-of-the-art in a certain scientific field is becoming very time-consuming and tedious task. In response to urgent needs of information, for which the existing systematic review model does not well, several other review types have emerged, namely the rapid...
Preprint
Full-text available
This paper focuses on the recognition of Activities of Daily Living (ADL) applying pattern recognition techniques to the data acquired by the accelerometer available in the mobile devices. The recognition of ADL is composed by several stages, including data acquisition, data processing, and artificial intelligence methods. The artificial intelligen...
Preprint
Full-text available
This paper focuses on the recognition of Activities of Daily Living (ADL) applying pattern recognition techniques to the data acquired by the accelerometer available in the mobile devices. The recognition of ADL is composed by several stages, including data acquisition, data processing, and artificial intelligence methods. The artificial intelligen...
Conference Paper
Full-text available
Various device validation methodologies for activity monitoring are growing in number, but the information about the regulation and rules of recognition for the software and hardware used with these devices is not presented. There are different characteristics that should be evaluated to prove the reliability of these devices, including different s...
Conference Paper
Full-text available
Nephrolithiasis disease requires the management and registration of the different values on a daily basis. These values include the monitoring of daily water consumption and the urinary pH, which should be registered in a mobile application. One of the authors of this paper had the disease and decided to design and develop the Hydriney application....
Conference Paper
Full-text available
Falling is a commonly occurring mishap with elderly people, which may cause serious injuries. Thus, rapid fall detection is very important in order to mitigate the severe effects of fall among the elderly people. Many fall monitoring systems based on the accelerometer have been proposed for the fall detection. However, many of them mistakenly ident...
Article
Full-text available
The main goal of this paper consists on the adaption and validation of a method for the measurement of the energy expenditure during physical activities. Sensors available in a mobile device, e.g., a smartphone, a smartwatch, or others, allow the capture of several signals, which may be used to the estimation of the energy expenditure. The adaption...
Conference Paper
Full-text available
The recognition of Activities of Daily Living (ADL) and their environments based on sensors available in off-the-shelf mobile devices is an emerging topic. These devices are capable to acquire and process the sensors' data for the correct recognition of the ADL and their environments, providing a fast and reliable feedback to the user. However, the...
Chapter
Full-text available
Nephrolithiasis disease is commonly related with the low activity performance, i.e., the regular performance of physical activity can reduce the risk of kidney stones. Sensors available in off-the-shelf mobile devices may handle the control and recognition of the activities performed, including the energy expenditure and their identification. This...
Article
Full-text available
Background Off-the-shelf-mobile devices have several sensors available onboard that may be used for the recognition of Activities of Daily Living (ADL) and the environments where they are performed. This research is focused on the development of Ambient Assisted Living (AAL) systems, using mobile devices for the acquisition of the different types o...
Conference Paper
Full-text available
Fusion multidisciplinary subjects in order to present a unique and complementary perspective may enhance and extend the knowledge acquisition, and consequently, the student experience. In this paper we report a case study on methodology, which interlinks various subjects creating and engaging learning process by combining Science, Technology, Engin...