Repositório Iscte - Instituto Universitário de Lisboa

Instituto Universitário de Lisboa

O repositório institucional do ISCTE tem como objetivo preservar, divulgar e dar acesso à sua produção intelectual em formato digital. Ao reunir as publicações académicas e científicas, contribui para o aumento da sua visibilidade e impacto do trabalho de investigação a nível nacional e internacional.

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Social work practice in the rehabilitation of young people with drug abuse problems in Sierra Leone: A qualitative study using tew’s matrix
(2026-06-15) Henry, Gibrilla; Butvilas, Tomas
The study explored the social work roles, the challenges they face and their suggestions to improve rehabilitation services with young people addicted to drug abuse in Sierra Leone. The research questions focused on social workers’ roles, the challenges they face in practice, and the improvements they suggest to enhance rehabilitation services. A qualitative, exploratory research design was used, involving semi-structured interviews, using purposive sampling to select 15 social workers from government institutions, NGOs, and CBOs involved in rehabilitation. Thematic inductive analysis was used to identify patterns and themes related to social work with drug abuse rehabilitation. The key findings from this study indicated that social workers perform multiple roles in rehabilitation, including performing comprehensive assessments, developing individual care plans, providing counselling and psychosocial support, promoting client empowerment and participation, providing case management and referrals, and supporting recovery and reintegration into the community. Their practice, however, is affected by many challenges, which include funding limitations, staff shortages, high workloads, policy issues, stigma and discrimination, cultural views on addiction, and little family and local community support. Participants' suggestions to improve their practice include policy changes, decentralisation of rehabilitation centres, increased funding, professional training, greater cooperation between institutions, community-based awareness programs, youth empowerment, and mentorship. In conclusion, the findings suggest that social workers actively contribute to the rehabilitation of young people with drug abuse problems in Sierra Leone, although structural, social, and institutional barriers constrain their practice. However, strengthening policy and development of professional capacity, expansion of rehabilitation services, and the promotion of family and community participation are key to better rehabilitation practices with young people’s sustainable recovery from drug addiction in Sierra Leone.
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A systematic review of programmatic advertising literature
(2025) Nassar, A.; Bilro, R. G.; Vrontis, Demetris; Weber, Yaakov; Tsoukatos,Evangelos
Programmatic advertising uses artificial intelligence to target ads at predetermined user personas according to specific criteria, including user demographics, interests, and online activity (Shehu et al., 2021). In this type of online promotion, ad space bidding takes place based on understanding the surrounding platform environment (Häglund & Björklund, 2024). While legal frameworks such as GDPR provide some safeguards, they fail to grant users complete control over their data (Kawaf et al., 2023). This paper aims to comprehensively analyse existing academic research on programmatic advertising, focusing on its evolution, core concepts, challenges, and future research opportunities. A systematic literature review of 45 studies from Scopus and Web of Science databases was conducted using predefined keywords related to programmatic advertising and user privacy (NúnezBarriopedro et al., 2022). Papers were filtered by relevance, language, and alignment with research objectives. Thematic coding in MAXQDA was employed to extract insights and identify patterns across the literature. The findings reveal six critical themes: privacy risks related to minimal transparency, user profiling, and unethical data handling. The literature further highlights users' insufficient education about online privacy and inadequacies in current regulatory policies (Kawaf et al., 2023). This study contributes to programmatic advertising by synthesising existing research and addressing gaps in understanding ethical digital advertising (Chen et al., 2019). It provides valuable insights for academics, marketers, and policymakers aiming to foster transparency and trust in digital advertising practices.
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Espaço público: As dinâmicas do conflito
(2026-07-24) Nascimento, Ana Rosa Gomes Cravinho do; Silva, Teresa Madeira da; Pavoni, Andrea
A presente Tese analisa criticamente os efeitos das políticas públicas nas transformações dos espaços urbanos públicos da cidade consolidada de Lisboa, centrando-se na praça de São Paulo e no miradouro de Santa Catarina. Examina como políticas implementadas entre 2005 e 2025 impulsionam transformações morfológicas e funcionais, desencadeando dinâmicas territoriais - gentrificação, homogeneização, mercadorização, privatização e turistificação - que fragilizam o carácter coletivo destes espaços e aprofundam processos de segregação socioespacial, evidentes nas assimetrias de acesso, permanência e uso. Sustenta-se que os espaços urbanos públicos são simultaneamente lugares de apropriação, encontro e disputa, onde morfologia, diversidade social, práticas quotidianas e regulação coexistem em tensão. Inspirada numa leitura Simmeliana, a Tese considera o conflito como dimensão estruturante da vida urbana, gerando transformação, resistência e participação, mas também reproduzindo desigualdades e interesses hegemónicos. A metodologia adotada é qualitativa, assente em estudo de casos, revisão bibliográfica e análise documental. O trabalho de campo inclui entrevistas, observação participante e uma matriz de indicadores do espaço urbano público. A análise segue três eixos analíticos: (1) conflito na produção do espaço público; (2) avaliação das políticas e instrumentos de planeamento; e (3) manifestações empíricas do conflito. Os resultados mostram que, apesar da reabilitação e dinamização económica, as políticas reforçam exclusão, especialização funcional e controlo, afetando a mobilidade e a copresença. Emergem, contudo, práticas de resistência e apropriação, evidenciando o espaço público como território em disputa permanente. Conclui-se, que preservar o carácter coletivo dos espaços urbanos públicos, exige políticas inclusivas, reconhecimento do direito à cidade e regulação orientada para a justiça espacial.