Repository logo
 

ISCAP - CEOS - Artigos

Permanent URI for this collection

Browse

Recent Submissions

Now showing 1 - 10 of 476
  • The right to work-life balance in Portuguese cooperatives. A legal and empirical analysis
    Publication . Meira, Deolinda; Castro, Conceição; Antunes, Sofia
    This paper aims to assess whether cooperatives are the ideal setting for promoting the work-life balance, a right whose protection has been built in close connection with the promotion of gender equality. To this end, we intend to answer the following questions: (i) What are the main dimensions of the right to work-life balance, and what is the relevance of protecting this right to promote gender equality? (ii) To what extent can the legal regime of cooperatives promote the right to work-life balance and, consequently, gender equality? (iii) What are the main facilitators and obstacles to work-life balance in cooperatives from the perspective of women and men? From a methodological point of view, our study is based on a review of the literature, legislation, and an empirical study. The empirical analysis was based on the results of a questionnaire survey, which yielded 414 valid responses from employees of SEEs, including 62 from cooperatives. The statistical methods followed were descriptive statistics, non-parametric tests and post-hoc tests. The findings shed light on the specific challenges faced by employees in cooperatives regarding work-life balance and highlight the importance of open and supportive communication channels within the workplace and flexibility in time management. The results also suggest that cooperatives, according to the perception of employees, are the ones that promote more facilitators and that their organisational culture and climate are favourable to fostering a healthy work-life balance. The observed outcomes can be primarily attributed to the democratic and participatory management inherent in cooperative structures.
  • Towards an encompassing maturity model for the management of higher education institutions
    Publication . Pereira, Rui Humberto; Pereira, Rui Humberto; João Vidal de Carvalho; Vidal de Carvalho, Joao; Álvaro Rocha
    Maturity models (MM) have been adopted in organisations from different sectors of activity, as guides and references for Information Systems (IS) management. In the educational field, these models have also been used to deal with the enormous complexity and demand of IS management. This paper presents a research project that aims to develop a new MM for Higher Education Institutions (HEI) that helps them to address those problems, as a useful tool for the management of their IS (and institutions as well). Thus, the MM in this area are identified, as well as the characteristics and gaps that they present, justifying the need and the opportunity for a new and comprehensive MM. Finally, we discuss the methodology for the development of MM that will be adopted for the design of the new model (called HEIMM) and the underlying reasons for its choice. At the moment, we are developing the HEIMM.
  • DIMENSIONS OF A MATURITY MODEL FOR INFORMATION SYSTEMS IN HIGHER EDUCATION INSTITUTIONS
    Publication . Rui Humberto Pereira; Pereira, Rui Humberto; João Vidal de Carvalho; Vidal de Carvalho, Joao; Álvaro Rocha
    The complexity of the information systems (IS) in the higher education institutions (HEI) has been continuously increasing during the last decades. Thus, managers need tools to evaluate the maturity of their IS, in order to continuously improve them. Additionally, the accreditation processes and rankings may also include organisational aspects in their criteria, in which the maturity models may be a useful tool. However, the existing literature is scarce on validated maturity models focused on the comprehensive management of complex HEI information systems. In previous papers, we came to the conclusion of the need and opportunity to propose a new maturity model to evaluate the IS of HEI, as well as the methodology to follow in the development of such model. In the present paper, we discuss our proposal for the architecture of the new model, synthetizing the state of the model that we intend to develop. This proposal is based on a two-dimensional approach, composed by vertical and horizontal dimensions of information. We believe that our approach, can mitigate the implications of the complexly issues of HEI on the maturity model to be developed. This proposal it the result of a multicase study, in which we identified the dimensions to consider in the model. In the further steps of our work, we will validate each of one of these dimensions and define the set of characteristics for each stage of maturity. Keywords: Stages of Growth, Maturity Models, Higher Education Institutions, Education Information Systems, Management.
  • User Reputation on E-Commerce: Blockchain-Based Approaches
    Publication . Maria José Angélico Gonçalves; Rui Humberto Pereira; Marta Alexandra Guerra Magalhães Coelho; Angélico Gonçalves, Maria José; Pereira, Rui Humberto
    User trust is a fundamental issue in e-commerce. To address this problem, recommendation systems have been widely used in different application domains including social media healthcare, e-commerce, and others. In this paper, we present a systematic review of the literature in the area of blockchain-based reputation models and we discuss the obtained results, answering the initial research questions. These findings lead us to conclude that the existing systems are based on a trusted third party (TTP) to collect and store reputation data, which does not provide transparency on users’ reputation scores. In the recent literature, on the one hand, blockchain-based reputation systems have been highlighted as possible solutions to effectively provide the necessary transparency, as well as effective identity management. On the other hand, new challenges are posed in terms of user privacy and performance, due to the specific characteristics of the blockchain. According to the literature, two major approaches have been proposed based on public and permissioned blockchains. Each approach applies adjusted models for calculating reputation scores. Despite the undoubted advantages added by a blockchain, the problem is only partially solved since there is no effective way to prevent blockchain oracles from feeding the chain with false, unfair, or biased data. In our future work, we intend to explore the two approaches discussed in the literature in order to propose a new blockchain-based model for deriving user reputation scores.
  • A systematic literature review on maturity models for information systems in higher education institutions
    Publication . João Vidal de Carvalho; Vidal de Carvalho, Joao; Pereira, Rui Humberto; Álvaro Rocha
    Maturity models have been introduced over the last five decades as guides and references for information system (IS) management in organizations from different sectors. In the education sector, maturity models have also been used to evaluate higher education institutions (HEIs) across several dimensions, such as information and communication technology (ICT), management, process management, course curricula, course/HEI accreditation, e-/m-learning, online courses and pedagogical strategies. In fact, HEIs are faced with enormous complexity due to the specificity and quantity of their processes. Based on the guidelines concerning a methodology for a systematic literature review, the maturity models of different subareas of education are identified and categorized in this paper. For each maturity model associated with HEIs’ ISs, the appropriate methodology for development and validation is identified, as well as the scope, stages and their dimensional characteristics. This study highlights the need to develop an IS maturity model that supports HEIs in their core business activities and management.
  • Architecture of a maturity model for information systems in higher education institutions: multiple case study for dimensions identification
    Publication . Rui Humberto Pereira; Pereira, Rui Humberto; joão vidal de carvalho; Vidal de Carvalho, Joao; Álvaro Rocha
    Higher education institutions (HEIs) are complex and dynamic organizations in terms of information management, forcing their information systems to respond to enormous challenges and threats. In order to evaluate the HEIs’ information systems, we propose the development of a maturity model capable of supporting the role of HEI’s managers, as well as accreditation agencies, in the assessment of the maturity of these systems, thus, promoting continuous improvement. In this paper, we present and discuss our proposal for an architecture of the maturity model being developed. This one is based on a two-dimensional architecture composed of vertical and horizontal dimensions. We selected a multi-case study approach, based on five Portuguese HEIs, and reviewed the literature to identify the dimensions. This case study was supported by interviews with experts from the selected HEI. The results of this research work were both encouraging and promising amongst the interviewed experts, revealing a high level of acceptance of the general model architecture, as well as positive expectations about its usefulness in the future. The development of our maturity model is carried out by following a formal methodology specially designed to support the construction of this type of model.
  • Social Networks and Digital Influencers in the Online Purchasing Decision Process
    Publication . Angélico Gonçalves, Maria José; Adriana José de Oliveira; Abreu, António; Mesquita, Anabela
    The growth in the use of social networks has been evident, reaching 3.8 billion users in 2020, representing 49% of the world’s population (https://wearesocial.com/uk/blog/2020 /01/digital-2020-3-8-billion-people-use-social-media (accessed on 19 September 2024)) [1]. This scenario has driven the emergence of new digital platforms, revolutionized the way we communicate [2], and given popularity to social networks, which have come to be defined as groups of actors (people, institutions, or groups). Users began to create social connections, exchange information, and communicate more directly and interactively, providing a favorable environment for publicizing products and establishing effective communication between consumers and brands, specifically through digital influencers [3]. Digital influencers have come to be defined as individuals with an online audience who can influence the behaviors, opinions, and values of others through the digital content they produce [4]. Several studies were carried out with the aim of studying the role of digital influencers in consumer behavior, particularly based on contexts such as tourism, the decision-making process, and e-commerce, or even seeking to study the perception of risk associated with recommendations made by digital influencers [5–8]. In this relationship between decision making and digital influencers, consumers use digital influencers as a reference for making...
  • Lightweight data bridge for connecting self-service end-user analytic tools to NGSI-based IoT systems
    Publication . Pereira, Rui Humberto
    The FIWARE and related projects aim to provide an open, sustainable ecosystem based on public standards and royalty-free that accelerates the development of Smart Solutions. The broker (Orion, Scorpio and Stellio) and additional components, named Generic Enablers (GE), provide means for collecting IoT data and feeding a data layer. The NGSI standard has a structural role in terms of interoperability, thus promoting the development of new GEs. However, this standard is not being adopted in analytic tools. In general, these tools connect to the IoT backend databases, which poses problems regarding data access control management and requires specialised IT support. Thus, it is not well suited for enterprise scenarios like, for instance, smart agriculture or smart industry, in which self-service tools, such as Power BI, Tableau and Qlik, are frequently used. We propose a lightweight connector for data analytic tools and IoT ecosystems based on NGSIv2/NGSI-LD/NGSI-TSDB. The proposed system provides web services based on JSON and CSV formats that those tools use without applying complex transformations in the data. Thus, nontechnical business users can consume IoT data on demand and use all the analytical capabil ities of these tools. We tested the system in an educational scenario where dashboards and an alytics processes were developed with minimal effort. The system has implemented a mechanism for access control management at the service/tenant level and several querying features. The system is now being implemented in a real public service scenario. In future versions, we intend to improve the system in terms of performance, security and add more query features.
  • Design de uma framework digital de incubação de empresas: promover o empreendedorismo, o crescimento de negócios e as conexões academia-indústria
    Publication . Vaz, R.; Vidal De Carvalho, Joao; Teixeira, Sandrina
    Os papéis e os impactos positivos que as incubadoras de empresas assumem na promoção do empreendedorismo e da inovação em múltiplas indústrias, incluindo as virtuais, e as suas consequentes contribuições para a promoção do crescimento económico sustentável e do desenvolvimento social, têm sido altamente salientados na literatura. No entanto, vários autores sublinham a necessidade premente de desenvolver a investigação relacionada com os modelos de funcionamento destas estruturas e envolver os utilizadores finais ao longo do processo, uma vez que o conhecimento relacionado com este fenómeno permanece escasso. Esta investigação incide na terceira fase do projeto de investigação da Incubadora Digital do CEOS.PP, desenvolvido segundo os princípios da metodologia de design science. Em última análise, este trabalho contribui para a área científica assinalada, propondo uma nova framework de criação e gestão de incubadoras digitais de empresas, com aplicabilidade prática imediata. Esta framework foi cocriada e validada com gestores de incubadoras e fundadores de startups de múltiplos centros de incubação de empresas durante sessões de focus group, estruturando-se em 8 dimensões consideradas fundamentais para futuros programas de incubação digital. Além disso, este estudo oferece recomendações baseadas na experiência diária dos participantes para apoiar académicos, investigadores, gestores de organizações e outros profissionais interessados em construir e gerir incubadoras de empresas em ambientes virtuais. Os principais pontos fortes e fracos da framework proposta são também destacados, discutindo-se, por fim, diversas recomendações para superar etapas identificadas previamente como críticas durante o processo da sua implementação.
  • Understanding the Impact of Online Communication Strategies on Consumer Purchase Intention for Green Cosmetics
    Publication . Teixeira, Sara; Oliveira, Zaila; Teixeira, Sandrina; Teixeira, Sara
    ncreased environmental awareness has increased the demand for green products, mainly cosmetics. This fact challenges companies to adapt to changes and consider environmental problems in their communication strategies to offer products that meet current trends in the consumer market. This implies the need to understand the antecedents of purchase intention better. This research was guided by the theory of planned behaviour (TPB) with the aim of understanding the impact of online communication strategies on consumer purchase intention of green cosmetics. Intention to purchase green cosmetics was measured, as were two of the main TPB constructs, specifically attitude and subjective norms. In addition, other variables were added to the study, such as electronic word of mouth (e-WOM), influencer marketing, and brand content. Data collected through an online survey (N = 151) were analysed using statistical techniques based on variance through partial least squares (PLS) using the SmartPLS3 v.3.3.9 software. The results show that the online communication strategies that impact the purchase intention of green cosmetics are e-WOM and brand content. In practice, the results obtained provide valuable information for professionals and academics, benefiting the perception of the factors that motivate the intention to purchase green cosmetics, contributing to the implementation of better online communication strategies.