En este artículo se describe un nuevo recurso: AnCora-Nom, un léxico de nominalizaciones deverbales del español. Actualmente, contiene 1.655 entradas léxicas y 3.094 sentidos, donde cada sentido tiene asociado el tipo denotativo y la estructura argumental con los papeles temáticos…

En este artículo presentamos una aproximación novedosa para obtener la terminología de un dominio utilizando las estructuras de páginas y categorías de Wikipedia de una forma independiente del dominio y de la lengua. La idea es aprovechar el grafo de…

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…

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…

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…

Computing is a broad discipline that crosses the boundaries between mathematics, science, and engineering. New computing disciplines emerge over time and knowledge changes rapidly in computing. Therefore, several reports that define and update guidelines for computing curricula have appeared over…

The extension to new languages is a well known bottleneck for rule-based systems. Considerable human effort, which typically consists in re-writing from scratch huge amounts of rules, is in fact required to transfer the knowledge available to the system from…

The development of a data warehouse (DW) system is based on a conceptual multidimensional model, which provides a high level of abstraction in accurately and expressively describing real-world situations. Once this model is designed, the corresponding logical representation must be…

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…

This paper presents the automatic extension to other languages of TERSEO, a knowledge-based system for the recognition and normalization of temporal expressions originally developed for Spanish. TERSEO was first extended to English through the automatic translation of the temporal expressions.…