Now showing items 21-40 of 45

    • Enriquidor automàtic de la ontologia de Pat.mapa 

      Parramón Teixidó, Miguel (Universitat Politècnica de Catalunya, 2011-06-20)
      Master thesis (pre-Bologna period)
      Open Access
      The Semantic Web is the new wave of developments on the World Wide Web pushed forward by millions of developers and heralded by the W3C\footnote{http://www.w3.org/}. These new standards aim to provide the web with semantics, ...
    • Exploiting semantics and virtualization for SLA-driven resource allocation in service providers 

      Ejarque, Jorge; Palol, Marc de; Goiri Presa, Íñigo; Julià, Ferran; Guitart Fernández, Jordi; Badia Sala, Rosa Maria; Torres Viñals, Jordi (2010-04-01)
      Article
      Restricted access - publisher's policy
      Resource management is a key challenge that service providers must adequately face in order to accomplish their business goals. This paper introduces a framework, the semantically enhanced resource allocator (SERA), aimed ...
    • Extracting Knowledge Bases from table-structured Web resources applied to the semantic-based requirements engineering methodology softwiki 

      Navarro Piris, Rubén (Universitat Politècnica de Catalunya / Universität Leipzig. Fakultät für Mathematik und Informatik, 2010-09-01)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Universität Leipzig
      Over the last years the use of the Internet by users has evolved drastically from just consulting to publishing, sharing and modifying contents, turning the Internet into a social net in which the possibilities to collaborate ...
    • How to cope with lacking metadata: Application of a semantic web based methodology to get multimedia content licenses 

      Gil, Rosa; Rodríguez Luna, Eva; Llorente Viejo, Silvia; Barrio Guerrero, Rubén; Delgado Mercè, Jaime (Peeters Publishing Leuven, 2005-06)
      Conference report
      Restricted access - publisher's policy
      The Web contains many digital multimedia creations prepared for being consumed by final users. Nevertheless, in many cases, these users need the appropriate rights to do so. Licenses and rights can be digitally associated ...
    • Improving object detection by exploiting semantic relations between objects 

      Petrov, Yordan (Universitat Politècnica de Catalunya, 2017-05)
      Master thesis
      Open Access
      Object detection is a fundamental and challenging problem in computer vision. Detecting the objects visible in an image can give us a good understanding and description of the image. The extracted information can later ...
    • Insight Centre for Data Analytics (DCU) at TRECVid 2014: instance search and semantic indexing tasks 

      McGuinness, Kevin; Mohedano, Eva; Zhang, ZhenXing; Hu, Feiyan; Abatal, Rami; Gurrin, Cathal; O'Connor, Noel; Smeaton, Alan F.; Salvador Aguilera, Amaia; Giró Nieto, Xavier; Ventura, Carles (2014)
      Conference report
      Open Access
      Insight-DCU participated in the instance search (INS) and semantic indexing (SIN) tasks in 2014. Two very different approaches were submitted for instance search, one based on features extracted using pre-trained deep ...
    • Integration of wsn in semantic web 

      Brands, Enzo (Universitat Politècnica de Catalunya, 2014-06-10)
      Master thesis
      Open Access
      The main goal of this master's thesis is to research the possibilities to integrate multi- media data coming from a Wireless Sensor Network in the Semantic Web. This research fits within the development of CommonSense, a ...
    • IoT and semantic web technologies for event detection in natural disasters 

      Greco, Luca; Ritrovato, Pierluigi; Tiropanis, Thanassis; Xhafa Xhafa, Fatos (Wiley, 2018-08-24)
      Article
      Open Access
      Natural disasters cannot be predicted well in advance, but it is still possible to decrease the loss of life and mitigate the damages, exploiting some peculiarities that distinguish them. Smart collection, integration, and ...
    • Linking media: adopting semantic technologies for multimodal media connection 

      Fernàndez, Dèlia; Bou Balust, Elisenda; Giró Nieto, Xavier; Riviero, Juan Carlos; Espadaler, Joan; Rodríguez, David; Colom Serra, Aleix; Rimmerk, Joan Marco; Varas, David; Massuda, Issey; Roig, Carlos (CEUR-WS.org, 2018)
      Conference report
      Open Access
      Today's media and news organizations are constantly generating large amounts of multimedia content, majorly delivered online. As the online media market grows, the management and delivery of contents is becoming a challenge. ...
    • Machine Learning-based Query Augmentation for SPARQL Endpoints 

      Rico, Mariano; Touma, Rizkallah; Queralt Calafat, Anna; Pérez, María S. (2018)
      Conference lecture
      Open Access
      Linked Data repositories have become a popular source of publicly-available data. Users accessing this data through SPARQL endpoints usually launch several restrictive yet similar consecutive queries, either to find the ...
    • Modeling and developing access control policies using semantic technologies 

      Haro Juan, Carles de (Universitat Politècnica de Catalunya, 2009-09-11)
      Master thesis
      Open Access
      Policy languages have become the most common way to protect the online resources from unauthorized access. Nowadays, the Sun's XACML has become the most widely used standard for access control, allowing the definition of ...
    • Modeling and exploiting Security and Trust using Semantic Tech nolog ies Student 

      Ballester Funes, Ana (Universitat Politècnica de Catalunya, 2009-09-08)
      Master thesis
      Open Access
      Providing applications with semantics is an upward trend, so it may also seem interesting to add semantic technologies to the security and trust field, because of its multiple benefits. Semantic technologies allow us to ...
    • Ontology-based Information Extraction 

      Vicient Monllaró, Carlos (Universitat Politècnica de Catalunya, 2011-06-23)
      Master thesis
      Open Access
      Since the creation of the World Wide Web (referred as WWW), presented by Tim Berners-Lee in 1989, its structure and architecture have been in constant growth and development. Nowadays the Web is involved in what we know ...
    • Ontology-based user-defined rules and context-aware service composition system 

      Beltrán Martínez, María Victoria; Arabshian, Knarig; Schulzrinne, Henning (Springer, 2012-01)
      Part of book or chapter of book
      Open Access
      The World Wide Web is becoming increasingly personalized as users provide more of their information on the Web. Thus, Web service functionality is becoming reliant on user pro le information and context in order to provide ...
    • Seguridad & web semántica 

      Ribera Hidalgo, Francesc (2010-12)
      Audiovisual
      Open Access
    • Semantic IoT for reasoning and BigData analytics 

      Van Hille, Reinout (Universitat Politècnica de Catalunya, 2018-06-28)
      Master thesis
      Open Access
      Recent developments in the IoT industries have led to an increase in data availability that is starting to weight heavily on the traditional idea of pushing data to the Cloud. This study focuses on identifying tasks that ...
    • Semantic stream computing for large data-set analytics 

      Giordano, Andrea (Universitat Politécnica de Catalunya, 2017-12)
      Master thesis
      Open Access
      One of the most interesting research fields in IT industries is the quest of software able to deal efficiently with Big Data. In this thesis, we have studied Big Data especially about their spread in healthcare, where data ...
    • Semantic summarization of egocentric photo stream events 

      Lidon, Aniol; Bolaños, Marc; Dimiccoli, Mariella; Radeva, Petia; Garolera Freixa, Maite; Giró Nieto, Xavier (2017)
      Conference report
      Restricted access - publisher's policy
      With the rapid increase of users of wearable cameras in recent years and of the amount of data they produce, there is a strong need for automatic retrieval and summarization techniques. This work addresses the problem of ...
    • Servicios de confianza semántica para entornos ambientales seguros 

      Pujol Martínez, Helena (Universitat Politècnica de Catalunya, 2010-06)
      Master thesis (pre-Bologna period)
      Open Access
      Este proyecto se centra en la seguridad y la confianza en sistemas y tecnologías de la información y la comunicación (TIC). Es parte de un trabajo original de investigación llevado a cabo en la empresa Safelayer Secure ...
    • SETLBI: An integrated platform for semantic business intelligence 

      Deb Nath, Rudra Pratap; Hose, Katja; Bach Pedersen, Torben; Romero Moral, Óscar; Bhattacharjee, Amrit (Association for Computing Machinery (ACM), 2020)
      Conference report
      Open Access
      With the growing popularity of Semantic Web technologies, more and more organizations natively manage data using Semantic Web standards, in particular RDF. This development gives rise to new requirements for Business ...