Now showing items 1-20 of 56

    • A latent variable ranking model for content-based retrieval 

      Quattoni, Ariadna Julieta; Carreras Pérez, Xavier; Torralba, Antonio (Springer, 2012)
      Conference report
      Restricted access - publisher's policy
      Since their introduction, ranking SVM models have become a powerful tool for training content-based retrieval systems. All we need for training a model are retrieval examples in the form of triplet constraints, i.e. examples ...
    • AETAS: A system for semanticizing temporal expressions from unstructured contents 

      Ardalan, Zagros; Martín Escofet, Carme; Padró, Lluís (Springer, 2015)
      Conference report
      Restricted access - publisher's policy
      AETAS is an online tool for converting text into RDF linked data with resolution of temporal expressions. AETAS follows fully SOA architecture and is accessible via web-service. It implements a novel approach for semantic ...
    • Allyn, A Recommender Assistant for Online Bookstores 

      Esquerrà Schaefer, Laia (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2018)
      Bachelor thesis
      Open Access
      Recommender Systems are information filtering engines used to estimate user preferences on items they have not seen: books, movies, restaurants or other things for which individuals have dierent tastes. Collaborative and ...
    • An analysis of factors used in search engine ranking 

      Bifet Figuerol, Albert Carles; Castillo, Carlos; Chirita, Paul-Alexandru; Weber, Ingmar (2005)
      Conference report
      Open Access
      This paper investigates the influence of different page features on the ranking of search engine results. We use Google (via its API) as our testbed and analyze the result rankings for several queries of different categories ...
    • An Interactive Lifelog Search Engine for LSC2018 

      Alsina Torra, Adrià (Universitat Politècnica de Catalunya, 2018-06-25)
      Bachelor thesis
      Open Access
      Covenantee:   Dublin City University
      This thesis consists on developing an interactive lifelog search engine for the LSC 2018 search challenge at ACM ICMR 2018. This search engine is created in order to browse for images from a given lifelog dataset and display ...
    • An interactive lifelog search engine for LSC2018 

      Alsina, Adrià; Giró Nieto, Xavier; Gurrin, Cathal (Association for Computing Machinery (ACM), 2018)
      Conference lecture
      Open Access
      In this work, we describe an interactive lifelog search engine developed for the LSC 2018 search challenge at ACM ICMR 2018. The paper introduces the four-step process required to support lifelog search engines and describes ...
    • Analysis and optimization of question answering systems 

      Domínguez Sal, David (Universitat Politècnica de Catalunya, 2010-04-23)
      Doctoral thesis
      Open Access
    • Assessing what Information Quality means in OTS selection processes 

      Ayala Martínez, Claudia Patricia; Franch Gutiérrez, Javier (IEEE Computer Society, 2008)
      Conference lecture
      Open Access
      OTS selection plays a crucial role in the deployment of software systems. One of its main current problems is how to deal with the vast amount of unstructured, incomplete, evolvable and widespread information that highly ...
    • Automated curation of brand-related social media images with deep learning 

      Tous Liesa, Rubén; Gómez Parada, Mauro; Poveda, Jonatan; Cruz, Leonel; Wust, Otto; Makni, Mouna; Ayguadé Parra, Eduard (2018-10)
      Article
      Open Access
      This paper presents a work consisting in using deep convolutional neural networks (CNNs) to facilitate the curation of brand-related social media images. The final goal is to facilitate searching and discovering user-generated ...
    • Automatic query driven data modelling in cassandra 

      Hernández, Roger; Becerra Fontal, Yolanda; Torres Viñals, Jordi; Ayguadé Parra, Eduard (Elsevier, 2015)
      Conference report
      Open Access
      Non-relational databases have recently been the preferred choice when it comes to dealing with BigData challenges, but their performance is very sensitive to the chosen data organisations. We have seen differences of over ...
    • Binary partition tree as an efficient representation for filtering, segmentation and information retreival 

      Salembier Clairon, Philippe Jean; Garrido Ostermann, Luis (Institute of Electrical and Electronics Engineers (IEEE), 1998)
      Conference report
      Open Access
      This paper discusses the interest of binary partition trees as shape-oriented image representations. Binary partition trees concentrate in a compact and structured representation a set of meaningful regions that can be ...
    • Búsqueda por semejanza 

      Camps Pare, Rafael (Asociación de Técnicos de Informática, 1982-10)
      Article
      Open Access
    • Collaboration between human and artificial societies 

      Padget, Julián; Sierra Garcia, Carles; Cortés García, Claudio Ulises; Sànchez-Marrè, Miquel; Béjar Alonso, Javier (1997-09)
      External research report
      Open Access
      This research report is a preliminary publication of the proceedings of the European VIM project Workshop on Collaboration between Human and Artificial Societies, hold in Lanjaron (Granada), Spain, in May 1-3, . The report ...
    • Com cercar un document a les biblioteques UPC 

      Biblioteca del Campus de Terrassa (2018-02-06)
      Audiovisual
      Open Access
      En aquest tutorial s'explica com cercar un document en el catàleg UPC. Subtítols en català, castellà i anglès a YouTube.
    • Com cercar un document a les biblioteques UPC amb l'opció de cerca avançada 

      Biblioteca del Campus de Terrassa (2018-02-14)
      Audiovisual
      Open Access
    • Correlating text and images: concept and evaluation 

      Götzelmann, Timo; Vázquez Alcocer, Pere Pau; Hartmann, Knut; Nürnberger, Andreas; Strothotte, Thomas (2007)
      Conference report
      Restricted access - publisher's policy
      This paper presents the concept and an evaluation of a novel approach to support students to understand complex spatial relations and to learn unknown terms of a domain-specific terminology with coordinated textual ...
    • Crawler de fotografies per events geolocalitzats 

      Català Amat, Jordi (Universitat Politècnica de Catalunya, 2014-06-02)
      Master thesis (pre-Bologna period)
      Open Access
    • Creació d'un sistema de cerca avançat per a l'arxiu fotogràfic del Museu de Badalona 

      Trias Comas, Roger (Universitat Politècnica de Catalunya, 2007-06)
      Master thesis (pre-Bologna period)
      Open Access
    • DEX: High-performance exploration on large graphs for information retrieval 

      Martínez Bazán, Norbert; Muntés Mulero, Víctor; Gómez Villamor, Sergio; Nin Guerrero, Jordi; Sánchez Martínez, Mario; Larriba Pey, Josep (2007)
      Conference report
      Restricted access - publisher's policy
      Link and graph analysis tools are important devices to boost the richness of information retrieval systems. Internet and the existing social networking portals are just a couple of situations where the use of these tools ...
    • Estudio del uso de memorias no volátiles para mejorar el rendimiento de bases de datos NoSQL 

      Sosa Cintero, Enric (Universitat Politécnica de Catalunya, 2019-11)
      Bachelor thesis
      Open Access
      Els discs són els dispositius d'emmagatzematge amb el temps d'accés més alt. De diverses formes, l'estructura de la jerarquia de memòria d'un sistema informàtic sempre s'ha intentat optimitzar. No obstant, el disc és l'única ...