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- Context-based multi-agent recommender system, supported on IoT, for guiding the occupants of a building in case of a firePublication . Neto, Joaquim; Morais, A. Jorge; Gonçalves, Ramiro Manuel Ramos Moreira; Coelho, António LeçaThe evacuation of buildings in case of fire is a sensitive issue for civil society that also motivates the academic community to develop and study solutions to improve the efficiency of evacuating these spaces. The study of human behavior in fire emergencies has been one of the areas that have deserved the attention of researchers. However, this modeling of human behavior is difficult and complex because it depends on factors that are difficult to know and that vary from country to country. In this paper, a paradigm shift is proposed which, instead of focusing on modeling the behavior of occupants, focuses on conditioning this behavior by providing real-time information on the most efficient evacuation routes. Making this information available to occupants is possible with a solution that takes advantage of the growing use of the IoT (Internet of Things) in buildings to help occupants adapt to the environment. Supported by the IoT, multi-agent recommender systems can help users to adapt to the environment and provide the occupants with the most efficient evacuation routes. This paradigm shift is achieved through a context-based multi-agent recommender system based on contextual data obtained from IoT devices, which recommends the most efficient evacuation routes at any given time. The obtained results suggest that the proposed solution can improve the efficiency of evacuating buildings in the event of a fire; for a scenario with two hundred people following the system recommendations, the time they take to reach a safe place decreases by 17.7%.
- An ontology for fire building evacuationPublication . Neto, Joaquim; Morais, A. Jorge; Gonçalves, Ramiro Manuel Ramos Moreira; Coelho, António LeçaGuiding the building occupants under fire emergency to a safe place is an open research problem, and finding solutions to address the problem requires a perfect knowledge of the fire building evacuation domain. The use of ontologies to model knowledge of a domain allows a common and shared understanding of that domain, between people and heterogeneous systems. This paper presents an ontology that aims to build a knowledge model to understand the referred domain better and help develop more capable building evacuation solutions and systems. The herein proposed ontology considers the different variables and actors involved in the fire building evacuation process. We followed the Methontology methodology for its developing, and we present all the development steps, from the specification to its implementation with the Protégé tool.
- Multi-agent-based recommender systems: a literature reviewPublication . Neto, Joaquim; Morais, A. Jorge; Gonçalves, Ramiro Manuel Ramos Moreira; Coelho, António LeçaConsidering the growing volume of information and services available on the Web, it has become essential to provide Web sites and applications with tools, such as recommender systems, capable of helping their users to obtain the information and services appropriate to their interests. Due to the complexity of Web adaptation and the ability of multi-agent systems to deal with complex problems, the multi-agent systems technology have been increasing. In this paper, we present a thorough survey of the use of multi-agent-based recommender systems. The results show that the use of multi-agent systems in recommender systems is increasing. The review shows the diversity of applications of multi-agent systems in recommender systems, namely on what concerns to the diversity of domains, different types of approaches, contributing to improving the performance of the recommendation systems.
- BIZZY : a social game for entrepreneurship educationPublication . Fonseca, Benjamim; Gonçalves, Ramiro Manuel Ramos Moreira; Nunes, Ricardo Rodrigues; Teixeira, Mário Sérgio; Paredes, Hugo; Morgado, Leonel; Martins, PauloEntrepreneurship education is increasingly being promoted, driven by a wide consensus in modern societies concerning its benefits in fostering the development of several professional and personal attitudes and skills, such as business expertise, creativity, risk assessment or responsibility. In this context, several authorities have been actively developing policies and activities to empower entrepreneurship culture in young people. Serious Games are recognized as having an important role and potential in education and social networks emerged in the last decade as the platform preferred by many people to socialize, play games or conduct professional activities. This paper presents a proposal for BIZZY, a serious game to be developed and implemented as a Facebook application, to enable young people in the range 12-18 years old to learn entrepreneurial skills progressively, by guiding them to develop a business project from the early idea to the business plan.
- Gestão de listas de espera para cirurgia na rede hospitalar pública portuguesa : o sistema de informação dos programas de recuperação de listas de esperaPublication . Reis, Arsénio; Morgado, Leonel; Tavares, Fernando; Guedes, Mário; Reis, Célia; Borges, Jorge; Gonçalves, Ramiro Manuel Ramos Moreira; Bulas-Cruz, JoséEste artigo reporta a evolução do processo de gestão de listas de espera cirúrgicas na rede hospitalar pública portuguesa, pela perspetiva do trabalho de desenvolvimento e instalação de software desenvolvido pela UTAD, enquanto parceira do Ministério da Saúde, para a criação de um sistema de informação para gestão de programas de recuperação dessas listas. Descrevem-se a situação e trabalhos iniciais, quando a obtenção de dados era o maior desafio, até à situação automatizada atual. Este artigo abrange os programas PERLE, PPMA, PECLEC e SIGIC, concluindo com lições aprendidas sobre o processo e sugestões para a sua evolução.
- An ontological model for fire evacuation route recommendation in buildingsPublication . Neto, Joaquim; Morais, A. Jorge; Gonçalves, Ramiro Manuel Ramos Moreira; Coelho, António LeçaGuiding the occupants of a building to a safe place is an area of research that deserves the attention of researchers. Finding solutions for the problem of guiding the building occupants requires a perfect knowledge of the fire building evacuation domain. The use of ontologies to model the knowledge of a domain allows a common and shared understanding of that domain. This paper presents an ontology that has the purpose to deepen the understanding of that domain and help develop building evacuation solutions and systems capable of guiding the occupants during a building evacuation process. The proposed ontology considers the different variables and actors involved in the fire building evacuation process. The ontology development followed the Methontology methodology, and for implementation, the Protégé tool was used. The ontological model was successfully submitted to a thorough evaluation process and is publicly available on the Web.
- A smart city’s model secured by blockchainPublication . Brandão, António; São Mamede, Henrique; Gonçalves, Ramiro Manuel Ramos MoreiraThe topic of Smart Cities involves various aspects of convergence and support to necessarily safe activities, which are dependent on reliable data and reliable sources. The answer could be provided by means of the adoption model of Blockchain technologies for this purpose, applied to the different characteristics of the city from the electronic governance, the contracting of products and services, and the sensing or data collection. The multiple IoT objects and the multiple networks, together with the Blockchain technology, may result in safer and more efficient cities. This paper analyzes and deepens the concept of Smart Cities using Blockchain technology as a platform for safety and reliability of the data. It is intended to reflect critically on this topic, looking through the different aspects involving this concept and the way in which it can implement. It analyzes the Smart Cities and its ecosystems with the generic data models, integrated, with quality data and trusted information.
- Geometric and physical building representation and occupant’s movement models for fire building evacuation simulationPublication . Neto, Joaquim; Morais, A. Jorge; Gonçalves, Ramiro Manuel Ramos Moreira; Coelho, António LeçaBuilding evacuation simulation allows for a better assessment of fire safety conditions in existing buildings, which is why it is of interest to develop an easy-to-use web platform that helps fire safety technicians in this assessment. To achieve this goal, the geometric and physical representation of the building and installed fire safety devices are necessary, as well as the modelling of occupant movement. Although these are widely studied areas, in this paper, we present two new model approaches, either for the physical and geometric representation of a building or for the occupant's movement simulation, during a building evacuation process. To test both models, we develop a Multi-Agent Web Simulator Platform. The tests carried out show the suitability of the model approaches herein presented.
- AcessWeb: uma perspetiva sobre a acessibilidade web em PortugalPublication . Gonçalves, Ramiro Manuel Ramos Moreira; Pereira, Jorge; Branco, Frederico; Peixoto, Carlos; Martins, JoséA Internet é uma tecnologia imensamente poderosa para a disseminação de informação e para promover e facilitar a interação entre os membros de uma sociedade. De forma a maximizar o seu impacto, esta deveria estar acessível a todos, inclusive para aqueles que possuem uma qualquer deficiência ou incapacidade. Este artigo apresenta um resumo da situação Portuguesa em termos da acessibilidade Web e propõe um modelo cujo objetivo é fomentar o incremento dos níveis de acessibilidade Web em Portugal.
- A prototype for an intelligent water management system for household usePublication . São Mamede, Henrique; Cortez, João; Gonçalves, Ramiro Manuel Ramos Moreira; Branco, Frederico; Martins, JoséWater scarcity is becoming an issue of more significant concern with a major impact on global sustainability. For it, new measures and approaches are urgently needed. Digital technologies and tools can play an essential role in improving the effectiveness and efficiency of current water management approaches. Therefore, a solution is proposed and validated, given the limited pres- ence of models or technological architectures in the literature to support intelligent water manage- ment systems for domestic use. It is based on a layered architecture, fully designed to meet the needs of households and to do so through the adoption of technologies such as Internet-of-Things and cloud computing. By developing a prototype and using it as a use case for testing purposes, we have concluded the positive impact of using such a solution. Considering that is a first contribution to the overcome the problem, some issues will be addressed in future work, namely, data and device security and energy and traffic optimisation issues, among several others.