• 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 ...
    • openAccess   Exploiting semantic annotations for open information extraction: an experience in the biomedical domain 

      Nebot Romero, Victoria; Berlanga Llavori, Rafael Springer (2014)
      The increasing amount of unstructured text published on the Web is demanding new tools and methods to automatically process and extract relevant information. Traditional information extraction has focused on harvesting ...
    • closedAccess   Finding association rules in semantic web data 

      Nebot Romero, Victoria; Berlanga Llavori, Rafael Elsevier (2012-02)
      The amount of ontologies and semantic annotations available on the Web is constantly growing. This new type of complex and heterogeneous graph-structured data raises new challenges for the data mining community. In this ...
    • openAccess   Semantic annotation of biomedical texts through concept retrieval 

      Berlanga Llavori, Rafael; Nebot Romero, Victoria; Jiménez Ruiz, Ernesto Sociedad Española para el Procesamiento del Lenguaje Natural (2010-09)
      This paper presents a novel approach for the semantic annotation of biomedical texts based on the retrieval of UMLS concepts that best _t with the target text. An evaluation of the approach has been carried out over the ...
    • openAccess   Tailored semantic annotation for semantic search 

      Berlanga Llavori, Rafael; Nebot Romero, Victoria; Pérez Catalán, María Elsevier (2015)
      This paper presents a novel method for semantic annotation and search of a target corpus using several knowledge resources (KRs). This method relies on a formal statistical framework in which KR concepts and corpus documents ...