Exploració per tema "Metadades"

Ara es mostren els items 21-40 de 44

    • Keeping the data lake in form: DS-kNN datasets categorization using proximity mining 

      Al-serafi, Ayman Mounir Mohamed; Abelló Gamazo, Alberto; Romero Moral, Óscar; Calders, Toon (Springer, 2019)
      Text en actes de congrés
      Accés obert
      With the growth of the number of datasets stored in data repositories, there has been a trend of using Data Lakes (DLs) to store such data. DLs store datasets in their raw formats without any transformations or preprocessing, ...

    • Keeping the data lake in form: proximity mining for pre-filtering schema matching 

      Al-serafi, Ayman Mounir Mohamed; Abelló Gamazo, Alberto; Romero Moral, Óscar; Calders, Toon (2020-05)
      Article
      Accés obert
      Data Lakes (DLs) are large repositories of raw datasets from disparate sources. As more datasets are ingested into a DL, there is an increasing need for efficient techniques to profile them and to detect the relationships ...

    • Les metadades als dipòsits digitals de la Universitat Politècnica de Catalunya 

      Prats Prat, Jordi; Prieto Jiménez, Antonio Juan; Badia, Ester (2008-09)
      Presentació
      Accés obert
      Presentació de la sessió professional "Dipòsits digitals i metadades", celebrada a la Biblioteca de Catalunya el 16 de setembre de 2008

    • Managing polyglot systems metadata with hypergraphs 

      Hewasinghage, Moditha Lakshan Dharmasir; Abelló Gamazo, Alberto; Varga, Jovan; Zimányi, Esteban (Elsevier, 2021-07)
      Article
      Accés obert
      A single type of data store can hardly fulfill every end-user requirements in the NoSQL world. Therefore, polyglot systems use different types of NoSQL datastores in combination. However, the heterogeneity of the data ...

    • Managing polyglot systems metadata with hypergraphs 

      Hewasinghage, Moditha Lakshan Dharmasir; Varga, Jovan; Abelló Gamazo, Alberto; Zimányi, Esteban (2018)
      Text en actes de congrés
      Accés obert
      A single type of data store can hardly fulfill every end-user requirements in the NoSQL world. Therefore, polyglot systems use different types of NoSQL datastores in combination. However, the heterogeneity of the data ...

    • Metadata Management for Knowledge Discovery 

      Thavornun, Varunya (Universitat Politècnica de Catalunya, 2015-09)
      Projecte Final de Màster Oficial
      Accés obert
      We propose a comprehensive, generic and extensible metamodel to enable automated intelligent discovery assistant. Aiming at semantic-awareness, we present the metamodel as an RDF formalization. Moreover, we provide a ...

    • Metadata to describe genomic information 

      Delgado Mercè, Jaime; Naro, Daniel; Llorente Viejo, Silvia; Gelpí, Josep Lluís; Royo, Romina (2018-04)
      Article
      Accés obert
      Interoperable metadata is key for the management of genomic information. We propose a flexible approach that we contribute to the standardization by ISO/IEC of a new format for efficient and secure compressed storage and ...

    • MISE EN PLACE DE CONTROLES DE NIVEAU 1 DES CRE PRESENTS SOUS HADOOP 

      Jordi Oller, Xavier (Universitat Politècnica de Catalunya / École Centrale Lille, 2013)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   Ecole centrale de Lille
      Le but des contrôles niveau 1 est de donner aux MOA Projet et MOA Métier des informations sur la qualité des données qu’ils produisent. D’ailleurs, le contrôle des CRE après leur création permet d’éviter les phases ...

    • OBSEA software data structure 

      Cadena Muñoz, Francisco Javier; Nogueras Cervera, Marc; Hidalgo Castro, Alberto; Manuel Lázaro, Antonio; Sorribas, Jordi (2010-12-01)
      Article
      Accés obert

    • Operationalizing and automating data governance 

      Nadal Francesch, Sergi; Jovanovic, Petar; Bilalli, Besim; Romero Moral, Óscar (Springer Nature, 2022-12-10)
      Article
      Accés obert
      The ability to cross data from multiple sources represents a competitive advantage for organizations. Yet, the governance of the data lifecycle, from the data sources into valuable insights, is largely performed in an ...

    • Programming interfaces for the MPEG-G standard on genomic information representation 

      Wu, Hao (Universitat Politècnica de Catalunya, 2018-10)
      Projecte Final de Màster Oficial
      Accés obert
      In this thesis, we will cover the file format present on the MPEG-G standard. From the theoretical approach to the development of API operations in order to prove the feasibility of the format. Also, we are going to export ...

    • Promoting FAIRness in marine data at Centro Nacional Instituto Español de Oceanografía 

      Otero Tranchero, Pablo; Tello Antón, Olvido; Bruque Carmona, Gerardo; Agudo Bravo, Luis Miguel; Mata Chacón, Dulce; Cabezuelo Hernández, Alberto; Tel Pérez, Elena (SARTI, 2021)
      Article
      Accés obert
      The Spanish Institute of Oceanography is responsible, among other aspects, for scientifc and technical advice for the Government’s fsheries policy as well as for the protection and sustainability of the marine environment. ...

    • Un prototipo de codificador MPEG-G 

      Iqbal, Omair (Universitat Politécnica de Catalunya / Universitat Politècnica de Catalunya, 2018-06)
      Treball Final de Grau
      Accés obert
      El objetivo de este proyecto es implementar una primera versión de estándar de datos MPEG-G para uso interno de la Universidad Universidad Politécnica de Cataluña (UPC) y proponer mejoras para el desarrollo futuro.

    • Semantic metadata for supporting exploratory OLAP 

      Varga, Jovan (Universitat Politècnica de Catalunya, 2017-01-24)
      Tesi
      Accés obert
      Realitzat a/amb:   Aalborg universitet
      On-Line Analytical Processing (OLAP) is an approach widely used for data analysis. OLAP is based on the multidimensional (MD) data model where factual data are related to their analytical perspectives called dimensions and ...

    • Sharing, and reusing quality information of individual digital datasets 

      Peng, Ge; Lacagnina, Carlo; Downs, Robert R.; Ganske, Anette; Ramapriyan, Hampapuram K. (Ubiquity Press, 2022)
      Article
      Accés obert
      Open-source science builds on open and free resources that include data, metadata, software, and workflows. Informed decisions on whether and how to (re)use digital datasets are dependent on an understanding about the ...

    • Simplifying quality control and standardization of CTD data under SeaDataNet requirements 

      Otero Tranchero, Pablo; González Nuevo, Gonzalo; Tel Pérez, Elena (SARTI, 2021)
      Article
      Accés obert
      Sharing marine data through SeaDataNet infrastructure ensures preservation and promotes reusability. Submission of data to this infrastructure demands a set of technical tasks that cover quality control processing, adoption ...

    • Sistema de processat i explotació de dades hidrometeorològiques per a serveis web 

      Cañete Garrucho, Alba (Universitat Politècnica de Catalunya, 2019-10-17)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
      Realitzat a/amb:   Hydrometeorological Innovative Solutions
      Aquest projecte pretén dissenyar i crear una arquitectura robusta i escalable, que s'utilitzarà com a entorn de proves, d'un sistema de previsions hidrometeorològiques. La solució implementada consisteix en la virtualització ...

    • SM4AM : a semantic metamodel for analytical metadata 

      Varga, Jovan; Romero Moral, Óscar; Pedersen, Torben; Thomsen, Christian (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Next generation BI systems emerge as platforms where traditional BI tools meet semi-structured and unstructured data coming from the Web. In these settings, the user-centric orientation represents a key characteristic for ...

    • Social Network monitoring 

      Colom Montoya, Joan (Universitat Politècnica de Catalunya, 2019-10)
      Treball Final de Grau
      Accés obert
      Aquest Treball Final de Grau implementa una eina per monitoritzar els comentaris i mencions que es fan sobre les fotografies que publiquem en la compte d'Instagram. Durant el procés de monitorització s'obtenen diverses ...

    • Study and development of an autopsy module for automated analysis of image metadata 

      Doménech Fons, Jordi; Pegueroles Vallés, Josep R. (2024)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The importance of cybersecurity is raising every day with the development of new technologies. Accordingly, cybercrimes are increasing notably and more than ever qualified people is needed to protect the rest of people ...