26 documents found, page 1 of 3

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Access to information, concerns, myths and truths on food safety during COVID-1...

Lemos, M.; Maia, R.; Teixeira, P.

Purpose: The COVID-19 pandemic raised questions and concerns about the possibility of transmission of SARS-CoV-2 via foods. While cases of COVID were rapidly rising, information related to the virus and ways of prevention was also increasing, with much of this information being provided by the media and the general population. In this context, this study had two main objectives: 1) To understand the doubts and ...


Empreendedorismo em África: A derradeira esperança?

Pereira, R.; Maia, R.; Omar, M. N.

Desde a publicação da compilação homónima por Spring & McDade (1998), o Empreendedorismo Africano tem sido reconhecido pelos académicos das ciências sociais como um fenómeno de crucial importância para o desenvolvi mento do continente. Entre as várias divisões possíveis, a literatura do empreendedorismo separa-o em dois grandes grupos: “empreendedorismo de oportunidade” e “empreendedorismo de necessidade” O emp...

Date: 2021   |   Origin: Repositório ISCTE

Named entity recognition for sensitive data discovery in Portuguese

Dias, M.; Boné, J.; Ferreira, J.; Ribeiro, R.; Maia, R.

The process of protecting sensitive data is continually growing and becoming increasingly important, especially as a result of the directives and laws imposed by the European Union. The effort to create automatic systems is continuous, but, in most cases, the processes behind them are still manual or semi-automatic. In this work, we have developed a component that can extract and classify sensitive data, from u...

Date: 2020   |   Origin: Repositório ISCTE

Occurrence of Salmonella spp. in eggs from backyard chicken flocks in Portugal ...

Ferreira, V.; Cardoso, M.J.; Magalhães, R.; Maia, R.; Neagu, C.; Dumitraşcu, L.; Teixeira, P.

The aim of this study was to conduct a preliminary investigation on the occurrence of Salmonella spp. in eggs from chickens raised in backyards in Portugal and Romania. A lack of compliance with safety practices by chicken owners, was demonstrated, especially in Portugal, as 96% of the eggs were visibly dirty and 92.5% were stored at room temperature. In Romania the 202 analysed eggs were Salmonella free, where...


Stable isotope ratio analysis as a new tool to trace the geographical origin of...

Taous, F.; Amenzou, N.; Marah, H.; Maia, R.; Máguas, C.; Bahmad, L.; Kelly, S.

Argan oil is obtained from the fruits of the Argan tree (Arganiaspinosa), an endemic species from south-western Morocco. Oil is extracted from Argan seeds through a traditional or a semi-automated process. In the case of edible oils, seeds are roasted before extraction, but when the oil is used for cosmetics, no seed roasting is required. Several cooperatives and private enterprises are established in south-wes...


Merging data diversity of clinical medical records to improve effectiveness

Helgheim, B. I.; Maia, R.; Ferreira, J. C.; Martins, A. L.

Medicine is a knowledge area continuously experiencing changes. Every day, discoveries and procedures are tested with the goal of providing improved service and quality of life to patients. With the evolution of computer science, multiple areas experienced an increase in productivity with the implementation of new technical solutions. Medicine is no exception. Providing healthcare services in the future will in...

Date: 2019   |   Origin: Repositório ISCTE

Towards graphical user interface redefinition without source code access: Syste...

Maia, R.; Silva, J. C.; Silva, J. L.

Nowadays several interactive computing systems (ICSs) still have Graphical User Interfaces (GUIs) that are inadequate in terms of usability and user experience. Numerous improvements were made in the development of better GUIs however, little has been done to improve existing ones. This might be explained by the fact that most ICSs do not provide source code access. In most cases, this means that only persons w...

Date: 2019   |   Origin: Repositório ISCTE


A blockchain and gamification approach for smart parking

Ferreira, J.; Martins, A.; Gonçalves, F.; Maia, R.

City parking is increasingly complex and available parking spaces are scarce. Being able to identify a space to park their cars can lead many drivers to drive around the intended parking area several times, increasing traffic density and pollution. In this research we propose a collaborative blockchain solution with gamification for parking. Users collaborate to report free spaces and receive free parking minut...

Date: 2019   |   Origin: Repositório ISCTE

The role of politics and institutional environment on entrepreneurship: empiric...

Pereira, R.; Maia, R.

This work investigates the relationship between the political and institutional environment and the development of entrepreneurship in Mozambique. Taking a literature review approach and using collected empirical data from interviewing 10 individuals playing different roles with impact on county’s entrepreneurial landscape, results support existing theory and suggest that this African country still has a long w...

Date: 2019   |   Origin: Repositório ISCTE

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