“…So far, many attempts to integrate a corporate DW of structured data with unstructured data have been reported (Badia, 2006;Henrich & Morgenroth, 2003;McCabe et al, 2000;Pérez-Martínez, 2007;Pérez-Martínez et al, 2008a, 2008bPérez-Martínez, Berlanga, & Aramburu, 2009;Priebe & Pernul, 2003a, 2003bQu et al, 2007;Rieger, Kleber, & von Maur, 2000). They are mainly based on systems that use Natural Language Processing (NLP) techniques to access the unstructured data in order to extract the relevant information of them but they do not reach a full integration of structured and unstructured data as our proposal manages.…”