Listar por tema "Information retrieval"

Mostrando ítems 1-8 de 8

    • openAccess   BioUSeR: a semantic-based tool for retrieving Life Science web resources driven by text-rich user requirements 

      Pérez Catalán, María; Berlanga Llavori, Rafael; Sanz, Ismael; Aramburu Cabo, María José BioMed Central (2013)
      Background: OpenmetadataregistriesareafundamentaltoolforresearchersintheLifeSciencestryingtolocate resources. While most current registries assume that resources are annotated with well-structured metadata, evidence shows ...

    • closedAccess   Contextualizing data warehouses with documents 

      Pérez Martínez, Juan Manuel; Berlanga Llavori, Rafael; Aramburu Cabo, María José; Pedersen, Torben Bach Elsevier (2008)
      Current data warehouse and OLAP technologies are applied to analyze the structured data that companies store in databases. The context that helps to understand data over time is usually described separately in text-rich ...

    • openAccess   Incremental probabilistic Latent Semantic Analysis for video retrieval 

      Fernandez-Beltran, Ruben; Pla, Filiberto Elsevier (2015-06)
      Recent research trends in Content-based Video Retrieval have shown topic models as an effective tool to deal with the semantic gap challenge. In this scenario, this paper has a dual target: (1) it is aimed at studying ...

    • openAccess   Latent Topics-based Relevance Feedback for Video Retrieval 

      Fernandez-Beltran, Ruben; Pla, Filiberto Elsevier (2015)
      This paper presents a novel Content-Based Video Retrieval approach in order to cope with the semantic gap challenge by means of latent topics. Firstly, a supervised topic model is proposed to transform the classical retrieval ...

    • openAccess   New perspectives for the analysis and formalisation of specialised genres: the GENTT proposal 

      García-Izquierdo, Isabel Societat Catalana de Terminologia (2011)
      Aquest article examina el paper del gènere com a eina clau conceptual i metodològica per a l’anàlisi de les àrees de comunicació especialitzades. Es presta especial atenció als punts de convergència entre els estudis en ...

    • closedAccess   Ontology refinement for improved information retrieval 

      Jimeno Yepes, Antonio José; Berlanga Llavori, Rafael; Rebholz-Schuhmann, Dietrich Elsevier (2010)
      Ontologies are frequently used in information retrieval being their main applications the expansion of queries, semantic indexing of documents and the organization of search results. Ontologies provide lexical items, allow ...

    • openAccess   Ontology refinement for improved information retrieval in the biomedical domain 

      Jimeno Yepes, Antonio José Universitat Jaume I (2009-06-17)
      Este trabajo de tesis doctoral se centra en el uso de ontologías de dominio y su refinamiento enfocado a la recuperación de la información. El dominio seleccionado ha sido el de la Biomedicina, que dispone de una extensa ...

    • closedAccess   Semantic web service discovery system for road traffic information services 

      Samper, J. Javier; Llidó Escrivá, Dolores María; Soriano, Francisco R.; Martínez Durá, Juan José Elsevier (2015)
      We describe a multi-agent platform for a traveller information system, allowing travellers to find the road traffic information web service (WSs) that best fits their requirements. After studying existing proposals for ...