Browsing by Subject "Big data"

Now showing items 1-20 of 181

  • Acceleració d'algoritmes de clustering mitjançant targetes gràfiques 

    Orrit Palau, Joan (Universitat Politècnica de Catalunya, 2017-06-29)
    Bachelor thesis
    Open Access
    En aquest projecte s'ha estudiat com es comporten diferents algoritmes de clustering amb diferents opotimitzacions de CUDA. Concretament s'han estudiat com funcionen l'algoritme k-means i k-centers amb les optimitzacions ...

  • Accelerating Hash-Based Query Processing Operations on FPGAs by a Hash Table Caching Technique 

    Salami, Behzad; Arcas-Abella, Oriol; Sonmez, Nehir; Unsal, Osman; Cristal, Adrian (Springer International Publishing, 2017-04-29)
    Conference lecture
    Open Access
    Extracting valuable information from the rapidly growing field of Big Data faces serious performance constraints, especially in the software-based database management systems (DBMS). In a query processing system, hash-based ...

  • A general guide to applying machine learning to computer architecture 

    Nemirovsky, Daniel; Arkose, Tugberk; Markovic, Nikola; Nemirovsky, Mario; Unsal, Osman Sabri; Cristal Kestelman, Adrián; Valero Cortés, Mateo (2018)
    Article
    Open Access
    The resurgence of machine learning since the late 1990s has been enabled by significant advances in computing performance and the growth of big data. The ability of these algorithms to detect complex patterns in data which ...

  • Aircraft conflict detection using data mining and statistical tools 

    Perez Font, Marc (Universitat Politècnica de Catalunya, 2016-10-28)
    Bachelor thesis
    Open Access
    Nowadays and taking into account the different indicators and the forecast of the air traffic volume from Eurocontrol, it is accepted the idea that the traffic will be doubled by 2030, that is why it is so important ...

  • Aligning textual and model-based process descriptions 

    Sánchez Ferreres, Josep; van der Aa, Han; Carmona Vargas, Josep; Padró, Lluís (Elsevier, 2018-01-01)
    Article
    Restricted access - publisher's policy
    Process model descriptions are an ubiquitous source of information that exists in any organization. To reach different types of stakeholders, distinct descriptions are often kept, so that process understandability is boosted ...

  • ALOJA: A benchmarking and predictive platform for big data performance analysis 

    Poggi, Nicolas; Berral García, Josep Lluís; Carrera Pérez, David (Springer, 2016)
    Conference report
    Open Access
    The main goals of the ALOJA research project from BSC-MSR, are to explore and automate the characterization of cost-effectivenessof Big Data deployments. The development of the project over its first year, has resulted in ...

  • ALOJA: A framework for benchmarking and predictive analytics in Hadoop deployments 

    Berral García, Josep Lluís; Poggi Mastrokalo, Nicolas; Carrera Pérez, David; Call, Aaron; Reinauer, Rob; Green, Daron (Institute of Electrical and Electronics Engineers (IEEE), 2015-10)
    Article
    Open Access
    This article presents the ALOJA project and its analytics tools, which leverages machine learning to interpret Big Data benchmark performance data and tuning. ALOJA is part of a long-term collaboration between BSC and ...

  • ALOJA: a systematic study of Hadoop deployment variables to enable automated characterization of cost-effectiveness 

    Poggi Mastrokalo, Nicolas; Carrera Pérez, David; Call, Aaron; Mendoza, Sergio; Becerra Fontal, Yolanda; Torres Viñals, Jordi; Ayguadé Parra, Eduard; Gagliardi, Fabrizio; Labarta Mancho, Jesús José; Reinauer, Rob; Vujic, Nikola; Green, Daron; Blakeley, Jose (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Open Access
    This article presents the ALOJA project, an initiative to produce mechanisms for an automated characterization of cost-effectiveness of Hadoop deployments and reports its initial results. ALOJA is the latest phase of a ...

  • A methodology for Spark parameter tuning 

    Gounaris, Anastasios; Torres Viñals, Jordi (2017-05-19)
    Article
    Restricted access - publisher's policy
    Spark has been established as an attractive platform for big data analysis, since it manages to hide most of the complexities related to parallelism, fault tolerance and cluster setting from developers. However, this comes ...

  • Anàlisi del comerç en línia a partir de l'estudi del client i les seves valoracions 

    Villalobos Guiral, Albert (Universitat Politècnica de Catalunya, 2017-06)
    Bachelor thesis
    Restricted access - confidentiality agreement

  • Anàlisi, disseny i implementació d’un sistema big data 

    Cendrós Bertran, Roger (Universitat Politècnica de Catalunya, 2018-01-18)
    Bachelor thesis
    Restricted access - confidentiality agreement
    Covenantee:  Reactiva Marketing

  • Análisis de ventajas en el uso de una BDD noSQL para un sistema de Monitorización y Trazabilidad de Operaciones de Negocio 

    García Calatrava, Carlos (Universitat Politècnica de Catalunya, 2015-06)
    Bachelor thesis
    Restricted access - confidentiality agreement

  • Análisis, uso y desarrollo experimental de herramientas y tecnologías Open Source en Big Data 

    Fannes Claverol, Jean Paul; Pallejà Mairena, Marc (Universitat Politècnica de Catalunya, 2017-09-12)
    Bachelor thesis
    Open Access
    In this project, we pretend to analise, use and justify the use of Big Data nowadays in different areas like companies, research laboratories, etc., as well as different tools and Open Source technologies behind it that ...

  • Análisis y explotación de Big Data e implementación de un dashboard para su visualización 

    Pérez Rubio, Marcos (Universitat Politècnica de Catalunya, 2017-10-16)
    Bachelor thesis
    Open Access
    Covenantee:  Foot Analytics
    Proyecto que comprende varias herramientas para visualizar datos de la empresa Foot Analytics. Estas herramientas son: un sistema generador de informes, una plataforma web para visualizar datos en un dashboard y la integración ...

  • Analysis of cardiorespiratory interaction in patients submitted to the T-tube test in the weaning process implementing symbolic dynamics and neural networks 

    Arizmendi Pereira, Carlos Julio; Solano, E.H.; Gonzalez, H.; González Acuña, Hernan; Giraldo Giraldo, Beatriz (2018)
    Conference report
    Restricted access - publisher's policy
    The determination of the optimal time of the patients in weaning trial process from Mechanical Ventilation (MV), between patients capable of maintaining spontaneous breathing and patients that fail to maintain spontaneous ...

  • An analysis of Bicing mobility patterns using big data 

    Manchón Contreras, Oriol (Universitat Politècnica de Catalunya, 2016-06-23)
    Master thesis
    Open Access
    Nowadays, technology advances really fast and so does the generation of data. Almost all electronic devices are constantly generating and sharing a huge amount of data through the World Wide Web. Moreover, recent policies ...

  • An auction framework for DaaS in cloud computing 

    Bandyopadhyay, Anjan; Xhafa Xhafa, Fatos; Mukhopadhyay, Sajal (Springer, 2018)
    Conference report
    Restricted access - publisher's policy
    Data as a Service (DaaS) is the next emerging technology in cloud computing research. Small clouds operating as a group may exploit the DaaS efficiently to perform substantial amount of work. In this paper an auction ...

  • An edge-stream computing infrastructure for real-time analysis of wearable sensors data 

    Greco, Luca; Ritrovato, Pierluigi; Xhafa Xhafa, Fatos (Elsevier, 2019-04)
    Article
    Restricted access - publisher's policy
    The fast development of IoT in general and wearable smart sensors in particular in the context of wellness and healthcare are demanding for definition of specific infrastructure supporting real time data analysis for anomaly ...

  • A new reliability-based data-driven approach to simulation-based models 

    Ayensa Jiménez, Jacobo; Doweidar, Mohamed Hamdy; Doblaré Castellano, Manuel (Barcelona Supercomputing Center, 2017-05-04)
    Conference report
    Open Access
    Data Science has burst into simulation-based en-gineering sciences with an impressive impulse. However, data are never uncertainty-free and a suitable approach is needed to face data measurement errors and their intrinsic ...

  • A New role of ontologies and advanced scientific visualization in big data analytics 

    Chuprina, Svetlana (Barcelona Supercomputing Center, 2016-09-10)
    Conference report
    Open Access
    Accessing and contextual semantic searching structured, semi-structured and unstructured information resources and their ontology based analysis in a uniform way across text-free Big Data query implementation is a main ...