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Mostrando ítems 1-20 de 43

    • A Content-Based Approach to Profile Expansion 

      Fernández, Diego; Formoso, Vreixo; Cacheda, Fidel; Carneiro, Víctor (World Scientific, 2020-12)
      [Abstract]: Collaborative Filtering algorithms suffer from the so-called cold-start problem. In particular, when a user has rated few items, recommendations offered by these algorithms are not too accurate. Profile Expansion ...

    • A Custom Browser Architecture to Execute Web Navigation Sequences 

      Losada Pérez, José; Raposo Santiago, Juan; Pan Bermúdez, Carlos Alberto; Montoto, Paula; Álvarez Díaz, Manuel (Springer, 2015-12-18)
      [Abstract]: Web automation applications are widely used for different purposes such as B2B integration and automated testing of web applications. Most current systems build the automatic web navigation component by using ...

    • A Workflow Language for Web Automation 

      Montoto, Paula; Pan Bermúdez, Carlos Alberto; Raposo Santiago, Juan; Losada Pérez, José; Bellas Permuy, Fernando; Carneiro, Víctor (Graz University of Technology, 2008-06-01)
      [Abstract]: Most today s web sources do not provide suitable interfaces for software programs to interact with them. Many researchers have proposed highly effective techniques to address this problem. Nevertheless, ad-hoc ...

    • A Workflow-Based Approach for Creating Complex Web Wrappers 

      Montoto, Paula; Raposo Santiago, Juan; Losada Pérez, José; Bellas Permuy, Fernando; Pan Bermúdez, Carlos Alberto; López Mato, Javier (Springer, 2008)
      [Abstract]: In order to let software programs access and use the information and services provided by web sources, wrapper programs must be built to provide a “machine-readable” view over them. Although research literature ...

    • Annotated Dataset for Anomaly Detection in a Data Center with IoT Sensors 

      Vigoya, Laura; Fernández, Diego; Carneiro, Víctor; Cacheda, Fidel (MDPI AG, 2020-07-04)
      [Abstract] The relative simplicity of IoT networks extends service vulnerabilities and possibilities to different network failures exhibiting system weaknesses. Therefore, having a dataset with a sufficient number of ...

    • Application of machine learning algorithms for the validation of a new CoAP-IoT anomaly detection dataset 

      Vigoya, Laura; Pardal Noya, Alberto; Fernández, Diego; Carneiro, Víctor (MDPI, 2023-04)
      [Abstract]: With the rise in smart devices, the Internet of Things (IoT) has been established as one of the preferred emerging platforms to fulfil their need for simple interconnections. The use of specific protocols such ...

    • Automatic Optimization of Web Navigation Sequences 

      Losada Pérez, José; Raposo Santiago, Juan; Pan Bermúdez, Carlos Alberto; López Mato, Javier (Springer, 2012)
      [Abstract]: Web automation applications are widely used for different purposes such as B2B integration, automated testing of web applications or technology and business watch. In this work-in-progress paper we outline a ...

    • Discovery of a dormant 33 solar-mass black hole in pre-release Gaia astrometry 

      Manteiga, Minia; Álvarez, M. A.; Santoveña, Raúl; Panuzzo, P.; Pallas-Quintela, Lara; Garabato, D.; Gómez García, Ángel; Dafonte, Carlos; González Santamaría, I.; Torralba Elipe, Guillermo; Župić, Andrija (EDP Sciences, 2024)
      [Abstract] Context. Gravitational waves from black-hole (BH) merging events have revealed a population of extra-galactic BHs residing in short-period binaries with masses that are higher than expected based on most stellar ...

    • Distributed and Collaborative Web Change Detection System 

      Prieto Álvarez, Víctor Manuel; Álvarez Díaz, Manuel; Carneiro, Víctor; Cacheda, Fidel (ComSIS Consortium, 2015)
      [Absctract]: Search engines use crawlers to traverse the Web in order to download web pages and build their indexes. Maintaining these indexes up-to-date is an essential task to ensure the quality of search results. ...

    • Early Detection of Cyberbullying on Social Media Networks 

      López-Vizcaíno, Manuel F.; Nóvoa, Francisco; Carneiro, Víctor; Cacheda, Fidel (Elsevier BV, 2021-05)
      [Abstract] Cyberbullying is an important issue for our society and has a major negative effect on the victims, that can be highly damaging due to the frequency and high propagation provided by Information Technologies. ...

    • Early Detection of Depression: Social Network Analysis and Random Forest Techniques 

      Cacheda, Fidel; Fernández, Diego; Nóvoa, Francisco; Carneiro, Víctor (J M I R Publications, Inc., 2019-06-10)
      [Abstract] Background: Major depressive disorder (MDD) or depression is among the most prevalent psychiatric disorders, affecting more than 300 million people globally. Early detection is critical for rapid intervention, ...

    • Early Intrusion Detection for OS Scan Attacks 

      López-Vizcaíno, Manuel F.; Nóvoa, Francisco; Fernández, Diego; Carneiro, Víctor; Cacheda, Fidel (Institute of Electrical and Electronics Engineers Inc., 2019-09)
      [Abstract]: Network Intrusion Detection Systems (NIDS) are concerned with the discovery of unauthorized accesses to computer networks by analyzing the traffic in order to detect malicious activity. In the event of an ...

    • Efficient execution of web navigation sequences 

      Losada Pérez, José; Raposo Santiago, Juan; Pan Bermúdez, Carlos Alberto; Montoto, Paula (Springer, 2014)
      [Abstract]: Web automation applications are widely used for different purposes such as B2B integration and automated testing of web applications. Most current systems build the automatic web navigation component by using ...

    • Efficient Execution of Web Navigation Sequences 

      Losada Pérez, José; Raposo Santiago, Juan; Pan Bermúdez, Carlos Alberto; Montoto, Paula (Springer, 2012)
      [Abstract]: Web automation applications are widely used for different purposes such as B2B integration and automated testing of web applications. Most current systems build the automatic web navigation component by using ...

    • Gaia Data Release 2: Observations of solar system objects 

      Manteiga, Minia; Spoto, F.; Álvarez, M. A.; Arcay, Bernardino; Dafonte, Carlos; Garabato, D. (EDP Sciences, 2018)
      [Abstract] Context. The Gaia spacecraft of the European Space Agency (ESA) has been securing observations of solar system objects (SSOs) since the beginning of its operations. Data Release 2 (DR2) contains the observations ...

    • Gaia Data Release 3: Catalogue validation 

      Babusiaux, C.; Álvarez, M. A.; Dafonte, Carlos; Manteiga, Minia; Santoveña, Raúl; Torralba Elipe, Guillermo (EDP Sciences, 2023-06)
      [Abstract]: Context. The third Gaia data release (DR3) provides a wealth of new data products. The early part of the release, Gaia EDR3, already provided the astrometric and photometric data for nearly two billion sources. ...

    • Gaia Data Release 3: Mapping the asymmetric disc of the Milky Way 

      Drimmel, Ronald; Manteiga, Minia; Garabato, D.; Álvarez, M. A.; Dafonte, Carlos; Gómez García, Ángel; González Santamaría, I.; Torralba Elipe, Guillermo (EDP Sciences, 2023)
      [Abstract] Context. With the most recent Gaia data release, the number of sources with complete 6D phase space information (position and velocity) has increased to well over 33 million stars, while stellar astrophysical ...

    • Gaia Data Release 3: Pulsations in main sequence OBAF-type stars 

      Ridder, Joris de; Manteiga, Minia; Garabato, D.; Álvarez, M. A.; Dafonte, Carlos; Gómez García, Ángel; González Santamaría, I.; Torralba Elipe, Guillermo (EDP Sciences, 2023)
      [Abstract] Context. The third Gaia data release provides photometric time series covering 34 months for about 10 million stars. For many of those stars, a characterisation in Fourier space and their variability classification ...

    • Gaia Data Release 3: Reflectance spectra of Solar System small bodies 

      Galluccio, L.; Manteiga, Minia; Garabato, D.; Álvarez, M. A.; Dafonte, Carlos; Gómez García, Ángel; González Santamaría, I.; Torralba Elipe, Guillermo (EDP Sciences, 2023)
      [Abstract] Context. The Gaia mission of the European Space Agency (ESA) has been routinely observing Solar System objects (SSOs) since the beginning of its operations in August 2014. The Gaia data release three (DR3) ...

    • Gaia Data Release 3: Stellar multiplicity, a teaser for the hidden treasure 

      Arenou, F.; Manteiga, Minia; Garabato, D.; Álvarez, M. A.; Dafonte, Carlos; Gómez García, Ángel; González Santamaría, I.; Torralba Elipe, Guillermo (EDP Sciences, 2023)
      [Abstract] Context. The Gaia DR3 catalogue contains, for the first time, about 800 000 solutions with either orbital elements or trend parameters for astrometric, spectroscopic, and eclipsing binaries, and combinations of ...