INVENIO es un sistema que dota de la capacidad de búsqueda semántica sobre la plataforma Google Search Appliance de Google. Es un sistema basado en tecnologías de la Web Semántica y que transforma las consultas realizadas por el usuario en…

En este trabajo se describen algunas herramientas para la anotación de corpus orientadas al conocimiento pragmático. Entre estas herramientas se encuentra Cognos Toolkit: un conjunto de herramientas y aplicaciones que facilitan el análisis lingüístico, la anotación, formalización y gestión del…

Data mining is one of the most important analysis techniques to automatically extract knowledge from large amount of data. Nowadays, data mining is based on low-level specifications of the employed techniques typically bounded to a specific analysis platform. Therefore, data…

La gran cantidad de información médica disponible a través de internet, tanto en formato estructurado como en formato texto, hace que los distintos tipos de usuario se encuentren con diferentes problemas a la hora de efectuar una búsqueda efectiva. Por…

Geographic knowledge discovery (GKD) is the process of extracting information and knowledge from massive georeferenced databases. Usually the process is accomplished by two different systems, the Geographic Information Systems (GIS) and the data mining engines. However, the development of those…

Data mining is at the core of the knowledge discovery process. However, an initial preprocessing step is crucial for assuring reliable results within this process. Preprocessing of data is a time-consuming and non-trivial task since data quality issues should be…

In this paper, a restricted domain question answering (QA) system is described. The design architecture of this QA system and the features that allow the adaptation of the QA system to the medical domain are also presented. The advantages of…

Obtaining an implementation of a data warehouse is a complex task that forces designers to acquire wide knowledge of the domain, thus requiring a high level of expertise and becoming it a prone-to-fail task. Based on our experience, we have…

Rich Internet Applications offer Web surfers a richer user experience, mainly due to better responsiveness and enhanced user interface capabilities. In recent years, existing design methodologies targeting traditional Web 1.0 applications were extended to also support RIAs. These extensions do…

Web engineering methods provide a systematic approach to develop complex and high quality Web applications. Many of these methods provide, in some way, personalization support. However, none of the existing Web methodologies provide a tool which allow the modeling, automatic…