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  1. Article

    Open Access

    Multilayer quantile graph for multivariate time series analysis and dimensionality reduction

    In recent years, there has been a surge in the prevalence of high- and multidimensional temporal data across various scientific disciplines. These datasets are characterized by their vast size and challenging ...

    Vanessa Freitas Silva, Maria Eduarda Silva in International Journal of Data Science and … (2024)

  2. No Access

    Chapter and Conference Paper

    Reconstructing Spatiotemporal Data with C-VAEs

    The continuous representation of spatiotemporal data commonly relies on using abstract data types, such as moving regions, to represent entities whose shape and position continuously change over time. Creating th...

    Tiago F. R. Ribeiro, Fernando Silva in Advances in Databases and Information Syst… (2023)

  3. Article

    Open Access

    Novel features for time series analysis: a complex networks approach

    Being able to capture the characteristics of a time series with a feature vector is a very important task with a multitude of applications, such as classification, clustering or forecasting. Usually, the featu...

    Vanessa Freitas Silva, Maria Eduarda Silva in Data Mining and Knowledge Discovery (2022)

  4. Chapter and Conference Paper

    Correction to: A Conversational Agent for Promoting Physical Activity Among COPD Patients

    In the original version of the book, the following belated corrections have been incorporated: The author name “Marcelo Brites” has been changed to “Marcelo Brites-Pereira” in the Frontmatter, Backmatter and i...

    Ricardo Rodrigues, Ruben Caceiro in Information Systems and Technologies (2022)

  5. No Access

    Chapter and Conference Paper

    A Conversational Agent for Promoting Physical Activity Among COPD Patients

    Chronic Obstructive Pulmonary Disease (COPD) is one of the most prevalent diseases in the world, affecting respiratory performance of many people, limiting the airflow and is not fully reversible. It is a clin...

    Ricardo Rodrigues, Ruben Caceiro in Information Systems and Technologies (2022)

  6. No Access

    Chapter

    Stroke Prognosis: Monitoring the Hemodynamics and Blood Pressure by TCD/TCCS

    Acute ischemic stroke is essentially a hemodynamic event: It is triggered by a vascular occlusion and the current mainstay of treatment is reopening the culprit vessel using endovascular procedures and/or thro...

    Ricardo Varela, José Coelho, Sara Bernardo-Castro in Neurosonology in Critical Care (2022)

  7. No Access

    Book and Conference Proceedings

    Network Science

    7th International Winter Conference, NetSci-X 2022, Porto, Portugal, February 8–11, 2022, Proceedings

    Pedro Ribeiro, Fernando Silva, José Fernando Mendes in Lecture Notes in Computer Science (2022)

  8. Article

    Open Access

    Energy-aware adaptive offloading of soft real-time jobs in mobile edge clouds

    We present a model for measuring the impact of offloading soft real-time jobs over multi-tier cloud infrastructures. The jobs originate in mobile devices and offloading strategies may choose to execute them lo...

    Joaquim Silva, Eduardo R. B. Marques, Luís M.B. Lopes in Journal of Cloud Computing (2021)

  9. No Access

    Chapter and Conference Paper

    Gamification in Communicating the Concept of Circular Economy - A Design Approach

    This paper aims to present a paradigm regarding the circular economy (CE) concept's communication, referring to the difficulty presented by the type of reflexivity involved in the circular economy process. We ...

    José Silva, Daniel Raposo, João Neves, Fernando Silva in Advances in Ergonomics in Design (2021)

  10. No Access

    Chapter and Conference Paper

    Real-Time Low-Cost Active and Assisted Living for the Elderly

    The aging of population in recent years and the increase in life expectancy is raising challenges for finding new ways to guarantee healthy and controlled activities for the elderly. Most of them prefer living...

    António Henrique Almeida, Ivo Santos in Ambient Intelligence – Software and Applic… (2020)

  11. No Access

    Chapter and Conference Paper

    Innovation in Traditional Productive Sectors - Visual Curation in Design

    The purpose of this paper aims to describe the implementation of a Design Diagnosis practice within the scope of an International project under the acronym – REINOVA (Reindustrialization, entrepreneurship, an...

    Jose Silva, Daniel Raposo, João Neves, Rogério Ribeiro in Advances in Ergonomics in Design (2020)

  12. No Access

    Chapter and Conference Paper

    Finding Dominant Nodes Using Graphlets

    Finding important nodes is a classic task in network science. Nodes are important depending on the context; e.g., they can be (i) nodes that, when removed, cause the network to collapse or (ii) influential spr...

    David Aparício, Pedro Ribeiro in Complex Networks and Their Applications VI… (2020)

  13. Article

    Open Access

    Feature-enriched author ranking in incomplete networks

    Evaluating scientists based on their scientific production is a controversial topic. Nevertheless, bibliometrics and algorithmic approaches can assist traditional peer review in numerous tasks, such as attribu...

    Jorge Silva, David Aparício, Fernando Silva in Applied Network Science (2019)

  14. No Access

    Chapter and Conference Paper

    OTARIOS: OpTimizing Author Ranking with Insiders/Outsiders Subnetworks

    Evaluating scientists based on their scientific production is often a controversial topic. Nevertheless, bibliometrics and algorithmic approaches can assist traditional peer review in numerous tasks, such as a...

    Jorge Silva, David Aparício, Fernando Silva in Complex Networks and Their Applications VII (2019)

  15. No Access

    Chapter and Conference Paper

    SmartWalk Mobile – A Context-Aware m-Health App for Promoting Physical Activity Among the Elderly

    The population of the world is getting increasingly older, and with that new challenges appear. It is thus necessary to promote healthy aging, where people maintain their independence and autonomy for longer. ...

    David Bastos, José Ribeiro, Fernando Silva in New Knowledge in Information Systems and T… (2019)

  16. No Access

    Article

    Parallel Asynchronous Strategies for the Execution of Feature Selection Algorithms

    Reducing the dimensionality of datasets is a fundamental step in the task of building a classification model. Feature selection is the process of selecting a smaller subset of features from the original one in...

    Jorge Silva, Ana Aguiar, Fernando Silva in International Journal of Parallel Programming (2018)

  17. No Access

    Chapter and Conference Paper

    Drawing as Reasoning Tool in UX Design - Doodling and Drawing as Foundation for Project Planning

    Thinking through drawing in classroom settings on a Design bachelor degree, is a learning strategy capable of develo** perception on new project values. Several studies explain how drawing serves as a reason...

    José Silva, Fernando Silva, Daniel Raposo, João Neves in Advances in Ergonomics in Design (2018)

  18. No Access

    Reference Work Entry In depth

    Querying Volatile and Dynamic Networks

    Sarvenaz Choobdar, Pedro Ribeiro in Encyclopedia of Social Network Analysis an… (2018)

  19. No Access

    Chapter and Conference Paper

    Hierarchical Expert Profiling Using Heterogeneous Information Networks

    Linking an expert to his knowledge areas is still a challenging research problem. The task is usually divided into two steps: identifying the knowledge areas/topics in the text corpus and assign them to the ex...

    Jorge Silva, Pedro Ribeiro, Fernando Silva in Discovery Science (2018)

  20. No Access

    Chapter and Conference Paper

    Big Data Analytics in IOT: Challenges, Open Research Issues and Tools

    Terabytes of data are generated day-to-day from modern information systems, cloud computing and digital technologies, as the increasing number of Internet connected devices grows. However, the analysis of the...

    Fabián Constante Nicolalde, Fernando Silva in Trends and Advances in Information Systems… (2018)

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