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Publications (73)
This article addresses the complex challenges that public organizations face in designing, implementing, and evaluating their strategies, where public interest and regulatory compliance often intertwine with strategic objectives. This research investigates the application of ontologies in the field of public sector strategy management to enhance th...
The Balanced Scorecard, developed in 1992 by Kaplan and Norton, has evolved into a communication and strategy execution system widely adopted by organizations across various industries. This article explores the use of an ontology to bridge the gap between strategy management and data within the Balanced Scorecard framework. The Balanced Scorecard...
Higher education students and teachers lack the necessary information to monitor and analyse student performance with respect to the learning experience and autonomous work during the semester. This research is based on the need for continuous improvement of student learning monitoring for students and teachers. It aims to combine ontologies with a...
HIDRALERTA is a forecast and early warning system for coastal and port regions capable of predicting emergency situations, as well as carrying out risk assessment. The system concentrates on evaluating wave overtopping and flooding scenarios. It uses offshore sea-wave and wind forecast data, as well as tide data, as input to determine wave overtopp...
Semantic Web (SW) techniques, such as ontologies, are used in Information Systems (IS) to cope with the growing need for sharing and reusing data and knowledge in various research areas. Despite the increasing emphasis on unstructured data analysis in IS, structured data and its analysis remain critical for organizational performance management. Th...
Road infrastructure asset management is currently facing rapid digital transformation opening up new opportunities for the application of data from both traditional and new data sources, the ability to integrate data across multiple Assets and the potential to improve efficiency in decision making throughout the asset lifecycle. However, there are...
In recent years the economic and social activities were strongly influenced by the outbreak of the covid-19 pandemic. Factors such as quality of life and sustainability in urban centres have gained greater visibility and, consequently, greater importance, influencing government officials to make decisions that focus on these issues. It is undeniabl...
Nowadays, organizations are embracing digital transformation, investing in the integration of information and communication technology (ICT) tools and solutions. Advanced ICT technologies converge with operations technologies (OT), allowing machines, processes, employees and products to be part of a single data framework, from data collection to an...
Road infrastructure asset management is currently facing rapid digital transformation opening up new opportunities for the application of data from both traditional and new data sources, the ability to integrate data across multiple Assets and the potential to improve efficiency in decision making throughout the asset lifecycle. However, there are...
Road infrastructure asset management is rapidly transforming into a digital environment where data accessibility, effective integration and collaboration and accessibility from different sources and assets are key. However, current asset management processes are not yet fully integrated or linked, and there are incompatibilities between various sys...
The main aim of structural safety control is the multiple assessments of the expected dam behaviour based on models and the measurements and parameters that characterise the dam’s response and condition. In recent years, there is an increase in the use of data-based models for the analysis and interpretation of the structural behaviour of dams. Mul...
The significant increase in world population and urbanisation has brought several important challenges, in particular regarding the sustainability, maintenance and planning of urban mobility. At the same time, the exponential increase of computing capability and of available sensor and location data have offered the potential for innovative solutio...
HIDRALERTA is a forecast and early warning system for coastal and port regions capable of predicting emergency situations, as well as carrying out risk assessment. The system concentrates on evaluating wave overtopping and flooding scenarios. It uses offshore sea-wave and wind forecast data, as well as tide data, as input to determine wave overtopp...
The protection of critical engineering infrastructures is vital to today’s society, not only to ensure the maintenance of their services (e.g., water supply, energy production, transport), but also to avoid large-scale disasters. Therefore, technical and financial efforts are being continuously made to improve the safety control of large civil engi...
The application of gamification techniques in higher education can be challenging. At times it is easy to lose focus and we can no longer explain the connections between players’ motivation and the several elements of the game. This study focused on the application of the MDA framework (Mechanics, Dynamics and Aesthetics) to the platform Learning S...
Monitoring is a key activity to ensure the structural safety of dams and is used for detection of deterioration, including local degradation issues and more extensive deterioration scenarios, such as the development of internal expansion reactions which, in the worst case scenario, can lead to severe cracking and even to the abandonment of the dam....
Water smart metering enables the measurement and reporting of water consumption at sub-daily intervals. However, assuming that increased availability of consumption information will necessarily result in changed behaviour is simplistic. The main scientific challenges for iWIDGET project are the management and extraction of useful information from v...
Enterprise architecture models support decision-making as they help organizations to understand, communicate and analyse how business processes are performed, the goals they achieve, the information they use, as well as the applications that realize the business, and the supporting technological infrastructure. The integrated analysis of these mode...
Dams have contributed to the human development and have brought many benefits, such as delivering hydropower, irrigating agricultural fields, supplying drinking water, or just for navigational and recreational purposes. Nevertheless, dams are critical structures that raise multiple concerns and risks associated with the ecological, social and econo...
Smart metering (SM) has the potential to improve distribution systems planning and operation and the overall system’s water-energy efficiency. Although numerous water utilities already explore SM systems, the main focus has been water loss management and control of large consumers’ consumption and most of the existing SM technologies are often used...
Efficient water and energy use in water distribution systems is being limited by the lack of sufficient data about water and related energy consumption. Therefore, it is crucial to provide updated and continuous feedback information to water users. This paper describes relevant use cases to improve efficient water use and related energy consumption...
The reproducibility of modern research depends on the possibility to faithfully rerun the complex and distributed data transformation processes which were executed by scientists in order to make new scientific breakthroughs. New methods and frameworks try to address this problem by collecting evidence used for verification of such experiments. Howe...
Engineering and Science projects are facing new data management challenges, which are currently being addressed through the development of data management plans. However, project stakeholders are unable to proper assess if their plan is representative of good data management practices. To address this issue, we propose a risk management framework t...
Smart metering (SM) has the potential to improve distribution systems planning and operation and the overall system’s water-energy efficiency. Although numerous water utilities already explore SM systems, the main focus has been water loss management and control of large consumers’ consumption and most of the existing SM technologies are often used...
Neste artigo é apresentado o projeto iWIDGET (Improved Water efficiency through ICT technologies for integrated supply-Demand side manaGEmenT), integrado na aposta da Comissão Europeia em inovação que permita, recorrendo a novas tecnologias de informação e comunicação, potenciar a sustentabilidade no uso de recursos, como a água e a energia. São ta...
Os sistemas urbanos de abastecimento de água têm beneficiado de uma forte evolução tecnológica nas últimas décadas, traduzindo-se na melhoria global dos serviços prestados. As tecnologias de telemedição têm contribuído para esta melhoria, através da leitura remota, comunicação e registo contínuos de parâmetros como o consumo de água e a pressão. Em...
Preserving processes requires not only the identification of all process components, but also the interception of all interactions of the process with the external influencers. In order to verify if the collected data is sufficient for the purpose of redeployment, as well as to verify that the redeployed process performs according to expectations,...
There is a growing demand for digital preservation of, not only static objects and files, e.g. text documents and images, but also dynamic objects and whole processes, such as interactive media and entire business and scientific processes. This paper investigates the problem of digitally preserving monitoring processes of a dam safety information s...
The safety of the system formed by the dam, its foundation, the reservoir, and the downstream area of the dam should be evaluated on its structural, hydraulic, operational and environmental components. In particular, the structural safety assessment of an existing dam is based on the establishment of correlations between the main loads, its structu...
Dam safety control activities require an accurate knowledge of each specific dam, with the purpose of defining and justifying the judgment about its safety. This task is mainly supported by the cross validation between simulation models, measurements provided by the monitoring systems, and the parameters that characterize the dam's behaviour. The m...
O objetivo das atividades de gestão de risco consiste em definir um conjunto de mecanismos para controlar os riscos associados a atividades e recursos valiosos. Verifica-se que grande parte das atividades de gestão de risco opera em silos, conduzindo a uma visão fragmentada de riscos, na qual cada atividade usa a sua linguagem, princípios e métrica...
TIMBUS is a partially EU-funded research project in the area of digital preservation. The project aims at a holistic view on the preservation of business processes over long-term periods. This view includes the business software as a well as all related context information for re-use at a later point in time. Digital preservation ensures continued...
The goal of Risk Management is to define prevention and control mechanisms to address the risks attached to specific activities and valuable assets. Many Risk Management efforts operate in silos with narrowly focused, functionally driven, and disjointed activities. That fact leads to a fragmented view of risks, where each activity uses its own lang...
The goal of Risk Management activities is to define prevention and control mechanisms to address the risks attached to specify activities and valuable assets. Many Risk Management efforts operate in silos with narrowly focused, functionally driven, and disjointed activities. That fact leads to a fragmented view of risks, where each activity uses it...
Records constitute an important corner stone of governance. As more
governments are introducing e-Government solutions, digital preservation turns into
an important challenge. This paper reviews both the challenges faced by
governments in the area of digital preservation, and scopes several repositories
currently installed in different African...
Risk is a constant in every area and at all levels of any organization, whether in a general context or in a specific activity, project or function. Risk Management comprises a set of coordinated activities to direct and control an organization with regard to risk. Risk Assessment is considered the most important phase of Risk Management, which con...
The consequences of structural failures in large civil engineering structures are potentially catastrophic, varying from high economic impacts to unrecoverable environmental damage or loss of life. To prevent that, these structures can be continuously monitored, therefore the management and preservation of the resulting data is crucial to support d...
Digital Preservation has been recognized as a key challenge in providing trusted information and sustainable eGovernment services. However, there has been little convergence on aligning the technically oriented approaches to provide longevity of information in ever-changing technology environments, and the organizational problems that public bodies...
Enterprise Architecture approaches are used to provide rigorous descriptions of the organization-wide environment, manage the alignment of deployed services to the organization's mission, end ensure a clear separation of the concerns addressed in an architecture. Thus, an effective Enterprise Architecture approach assists in the management of relat...
The rising awareness of the challenges of preserving information over the long term has led to a wealth of initiatives developing economic models, methods, tools, systems, guidelines and standards for digital preservation. The challenge of digital preservation is to assure that information nowadays coded and stored in digital formats can be read an...
The Digital Preservation community is used to address digital preservation in a problem centric perspective, where the expected common solution is a dedicated Open Archival Information System Reference Model compliant system. In this paper we raise a new perspective to address digital preservation as a long-term information security problem ideally...
Today's competitive environment requires effective risk management activities to create prevention and control mechanisms to address the risks attached to specific activities and valuable assets. One of the main challenges in this area is concerned with the analysis and modeling of risks, which increases with the fact that current efforts tend to o...
Digital Preservation, often seen as information management with a long-term mission, is recognized as an independent research area, but the field's maturity is still evolving. Reference models and compliance criteria for archival systems are being developed, but the more general perspective of Governance, Risk and Compliance has yet to be fully con...
Apart from being a technological issue, digital preservation raises several organizational challenges. These challenges are starting to be addressed in the industrial design and e-Science domains, where emerging requirements cannot be addressed directly by OAIS. Thus, new approaches to design and assess digital preservation environments are require...
Digital preservation aims to keep digital objects accessible over long periods of time, ensuring the authenticity and integrity of these digital objects. In such complex environments, Risk Management is a key factor in assuring the normal behaviour of systems over time. Currently, the digital preservation arena commonly uses Risk Management concept...
The OAIS reference model is a well established “framework to understand significant relationships among the entities” involved in digital preservation, which aims to provide an abstract quality measure for the design of archival systems or repositories. However, it also details on structural and behavioural issues. In order to better decouple funda...
Digital preservation, as a research and technical problem, is related with the purpose of maintaining digital objects accessible over a long period of time, regardless the challenges concerning technological or organizational changes or failures. In this poster we propose solutions that can evaluate and support the design of strategies in the conte...
The complexity of digital preservation increases with the fact that each type of digital object has its own particularities and special requirements. The collaborative environment of the scientific community, and associated services and infrastructures, usually known as e-Science (or enhanced Science), involves the requirement of interoperability a...
Digital preservation aims at maintaining digital objects accessible over long periods of time, ensuring the authenticity and integrity of these digital objects. In such complex environments, Risk Management is a key factor to assure the normal behaviour of systems along time. Currently, the digital preservation arena commonly uses Risk Management c...
Large civil engineering structures are continuously monitored to assure their structural safety. The Portuguese National Laboratory for Civil Engineering currently monitors several types of structures, like concrete dams, bridges or other transportation infrastructures. The consequences of a structural failure are potentially catastrophic, varying...
Digital preservation is the ability to retrieve, access, and use digital objects through time, while ensuring the authenticity
and integrity properties of these objects. Data grids represent a model of storage systems designed for data management and
sharing, which concept also has been proposed for digital preservation. However, since data grids a...
Digital preservation aims at maintaining digital objects accessible over a long period of time, regardless of the challenges of organizational or technological changes or failures. In particular, data produced in e-Science domains could be reliably stored in today's data grids, taking advantage of the natural properties of this kind of infrastructu...
Digital preservation aims at maintaining digital objects accessible over long periods of time, ensuring the authenticity and integrity of these digital objects. In this paper, we propose three different approaches to address the digital preservation problem. First, we survey the main requirements specific to the preservation arena. Next, we show ho...
The emerging context of e-Science imposes new scenarios and requirements for digital preservation. In particular, the data must be reliably stored, for which redundancy is a key strategy. But managing redundancy must take into account the potential failure of component. Considering that correlated failures can affect multiple components and potenti...
Digital preservation aims at maintaining digital objects and making data accessible over long periods of time. The emerging context of e-Science imposes new scenarios and new requirements for digital preservation. This paper presents the main issues, current solutions and prominent projects for digital preservation and e-Science data management. Fi...
Digital preservation aims at maintaining digital objects and data accessible over long periods of time. Data grids provide
several functionalities required by digital preservation systems, especially when massive amounts of data must be preserved,
as in e-Science domains. We propose the use of existing data grid solutions to build frameworks for di...
Digital preservation aims at maintaining digital objects and data accessible over long periods of time. We propose the use
of dedicated or surplus storage resources of data grids to build frameworks of digital preservation. In this paper we focus
on the problem of digital preservation in two scenarios: a national digital library and a repository of...
This paper presents the technical decisions taken during the design and development of GESTBARRAGENS, which is an Information System that manages data concerning dam safety. We focus the discussion around its data analysis features, namely: (1) the generation of dynamic forms in ASP.NET; (2) the reporting mechanism implemented with MS Reporting Ser...
As inovações tecnológicas, nomeadamente nas áreas das tecnologias e sistemas de informação e do conhecimento colocam à disposição da sociedade ferramentas para o desenvolvimento de sistemas que podem contribuir de forma significativa para apoiar as actividades do controlo de segurança de barragens, através, nomeadamente, da disseminação do conhecim...
O GESTBARRAGENS é o sistema integrado de gestão da informação para o controlo de segurança de barragens de betão que suporta, nomeadamente, os seguintes processos: o processo de observação de grandezas físicas a partir da exploração, manual ou automática, dos sistemas de observação instalados nas barragens; o processo inerente às inspecções visuais...
Data quality tools aim at detecting and correcting data problems that affect the accuracy and efficiency of data analysis applications. We propose a classification of the most relevant commercial and research data quality tools that can be used as a framework for comparing tools and understand their functionalities.