
Manuela FreireUniversity of Coimbra | UC · Faculty of Economics
Manuela Freire
PhD
About
24
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Introduction
Skills and Expertise
Education
December 2008 - December 2010
Publications
Publications (24)
Semantic Web technologies are intertwined with decision-making processes. In this paper the general objectives of the semantic web tools are reviewed and characterised, as well as the categories of decision support tools, in order to establish an intersection of utility and use. We also elaborate on actual and foreseen possibilities for a deeper in...
We are now part of a networked society, characterized by the intensive use and dependence of information systems that deals with communication and information, to support decision-making. It is thus clear that organizations, in order to interact effectively with their customers, need to manage their communication activities at the level of online c...
Data collected from online social networks offers new possibilities for supporting organizations’ daily activities. It is also common knowledge that the opinion exchange in online social networks provides a decisive contribution in decision making. It is, thus, necessary to review and bare present the motivations by which people engage in online so...
The combination between online social networks (OSN) and decision processes provides a favorable social data analysis paradigm for efficient decision support and business-processes integration. This paper presents a framework for handling OSN’s contents, providing a simpler and effective approach for information retrieval and processing. The object...
This paper explores the use of social network analysis (SNA) on airlines’ online social networks (OSNs) to extract valuable information for decision support, by analyzing interactions and discursive exchanges between users. The research is focused on fostering customer service of an airline company during a strike period, namely by detecting influe...
The key goal of this work is to explore interactions and discursive exchanges between social users, to extract information towards decision support. We analyzed customer-generated data on Facebook, during a period of a ten-day strike, of a well-known airline company. The main goal was to check service and responsiveness of the airline, and also to...
Data collected from online social networks offers new possibilities for supporting organizations' daily activities. It is also common knowledge that the opinion exchange in online social networks provides a decisive contribution in decision making. It is, thus, necessary to review and bare present the motivations by which people engage in online so...
A crescente importância atribuída pelas organizações à tomada de decisão em contexto web requer que sejam definidos e implementados mecanismos mais eficientes para apoiar as atividades da mesma. As redes sociais, enquanto espaços de colaboração, permitem que os atores sociais interajam entre si independentemente do local e espaço onde se encontram....
The study aims to show how perceptions of organizational justice predict turnover intentions among Portuguese and Cape Verdean employees. In addition, it aims to clarify the dimensionality of the organizational justice construct.
Design/methodology/approach – A Portuguese sample comprising 345 individuals from eight companies of the telecommunicati...
Managers are increasingly concerned in making timely and correct decisions, using adaptable decision structures, processes and mechanisms. For this purpose, they resort to web discourse capture and analysis to obtain opinions that express different points of view, regarding organizational decision-making. Since communication and interaction among g...
Managers are increasingly concerned in making timely and correct decisions, using adaptable decision structures, processes and mechanisms. They resort to web discourse capture and analysis to obtain opinions that express different points of view, regarding organizational. Communication and interaction among groups are very important in group decisi...
Businesses can use tools to monitor social networks, to filter social conversations (web discourse) based on certain keywords, such as company name, services, etc. The information collected can be integrated into internal systems to improve their view of customer interaction with data visualization. Automated systems (agents) can capture these inte...
Semantic Web technologies are intertwined with decision-making processes. In this paper the general objectives of the semantic web tools are reviewed and characterized, as well as the categories of decision support tools, in order to establish an intersection of utility and use. We also elaborate on actual and foreseen possibilities for a deeper in...
Conference on Group Decision Making and Web 3.0. GDN 2014
O presente estudo procura investigar o impacto da justiça organizacional nas intenções de turnover em duas amostras, uma portuguesa e outra cabo-verdiana. Pretende-se responder à sugestão de alguns investigadores (Rego, 2002; Rego & Souto, 2004), para que as perceções de justiça organizacional sejam exploradas por forma a compreender e predizer o c...
O presente estudo procura investigar o impacto da justiça organizacional nas intenções de turnover em duas amostras: Portuguesa e Cabo-verdiana. Pretende-se responder à sugestão de alguns investigadores, para que as perceções de justiça organizacional sejam exploradas por forma a compreender e predizer o comportamento dos indivíduos em ambiente de...
O presente estudo procura investigar como as perceções de quatro dimensões de justiça organizacional (distributiva, procedimental, interpessoal e informacional) e três dimensões de stresse (exigência, controlo e apoio) predizem comportamentos contra produtivos (CCP). Embora difíceis de quantificar, os efeitos destes comportamentos discricionários s...
O presente estudo procura investigar o impacto das três dimensões de stresse (exigência, controlo e apoio) nas intenções de turnover (IT) e nos comportamentos contra produtivos (CCP). Embora difíceis de quantificar, os efeitos destes comportamentos discricionários são nefastos para as organizações. Procuramos responder à sugestão de alguns autores...
O presente estudo procura investigar como as perceções de quatro dimensões de justiça organizacional (distributiva, procedimental, interpessoal e informacional) e três dimensões de stresse (exigência, controlo e apoio) predizem comportamentos contra produtivos (CCP). Embora difíceis de quantificar, os efeitos destes comportamentos discricionários s...
O presente estudo procura investigar comoas perceções de quatro dimensões de justiça organizacional (distributiva, procedimental, interpessoal e informacional) e três dimensões de stresse (exigência, controlo e apoio) predizemcomportamentos contra produtivos (CCP). Embora difíceis de quantificar, os efeitos destes comportamentos discricionários são...
Num ambiente competitivo caracterizado pela incerteza e mudança, as organizações precisam de colaboradores que com elas se identifiquem. Importa reflectir sobre possíveis impactos das perceções de justiça organizacional dos colaboradores e do stresse nos CCP. O stresse, e os comportamentos disfuncionais podem comprometer resultados, tendo impacto n...
O estudo procura mostrar como as percepções de justiça organizacional dos colaboradores explicam (a) os seus níveis de stress, (b) as suas intenções de turnover e (c) os comportamentos contra-produtivos. Foi inquirida uma amostra de 345 indivíduos oriundos de uma organização líder a nível nacional em todos os sectores em que actua. Os resultados su...
Num ambiente competitivo caracterizado pela incerteza e mudança, as organizações precisam de colaboradores que com elas se identifiquem. Cada vez mais, os gestores têm consciência que o capital humano tem um peso importante na forma como a organização funciona e evolui. Importa reflectir sobre possíveis impactos das percepções de justiça organizaci...