El objetivo principal de este trabajo es comprobar si un modelo de
lenguaje basado en categorías puede mejorar el rendimiento de un sistema de diálogo,
de la misma forma que lo hace para aplicaciones que utilizan bases de datos no

El objetivo del proyecto Portal da Língua Portuguesa es construir, con un doble
objetivo, un juego de recursos léxicos. En primer lugar, estos recursos sirven como fuente de
información para una página web sobre la lengua portuguesa para el público…

This paper presents a data structure based on Sparse Spatial Selection (SSS) for similarity searching. An algorithm that tries periodically to adjust pivots to the use of database index is presented. This index is dynamic. In this way, it is…

During the last years a lot of projects and lines of research have emerged from different proposals trying to find the best way to reach data integration. Two powerful techniques have appeared separately – ontology and contextual information – in…

The present experiment attenmpted to evaluate the formation of associations between elements of an odour-flavour compoundpared with a LiCl injection, in rats. The data ob­tained show that the aversion produced to the lacquer thinner odour is greater when this is…

In this paper the stability of specific quantum control protocols is analyzed through a simu­lation. Two-level quantum systems driven by resonant external fields are studied. The focus of attention are those protocols requiring long sequences of external pulses. It is…

The performonce of an instrumental response, maintained under o fixed-interval schedule, was studied 30 sec., 40 min., 4 hr. and 8 hs.. afterr administering holoperidol, in rats. A marked reduction of operant responding was seen after the first two periods,…

Two experirnents using the alternative response procedure with 8 and 10 years old boys were conducted. The experiments required that the subjects produced an ordered sequence of binary numbers over alternate trials. Each subject choose on each trial bet­ween five…

Purpose: The purpose of this work is to demonstrate the existence of a number of structural mechanisms that networks actors use to exert tacit power in the GMVNs. Design/methodology/approach: The analysis of the engine manufacturing aeronautical industry based on a…

 Three pigeons were exposed to an autoshaping/autonzaintenance situation where a 4-second stimulus preceded a food delivery, every 128 seconds. For each block of 20 sessions, the stimulus was presented in one of four keys, placed at 0, 6, 18 and…