Most knowledge representation languages are based on classes and taxonomic relationships between classes. Taxonomic hierarchies without defaults or exceptions are semantically equivalent to a collection of formulas in first order predicate calculus. Although designers of knowledge representation languages often express…

This paper reports work in progress on an experimental text editor called CREF, the Cross Referenced Editing Facility. CREF deals with chunks of text, called segments, which may have associated features such as keywords or various kinds of links to…

With the rapid increase in low-cost and sophisticated digital technology the need for techniques to authenticate digital material will become more urgent. In this paper we address the problem of authenticating digital signals assuming no explicit prior knowledge of the…

We consider the scheduling problem of minimizing the average weighted completion time of n jobs with release dates on a single machine. We first study two linear programming relaxations of the problem, one based on a time-indexed formulation, the other…

This thesis developed and applied tools to bridge the gap between available data and action for urban air quality management, focusing on strategies to reduce particle concentrations. One of the principal thesis contributions is a Bayesian method to exploit the…

Using an audiovisual perception task, two groups of native English listeners
(monolinguals, and L2 learners of Spanish) were asked to identify
which /p,t,k/ tokens had been produced by native English speakers
and which ones by foreigners. The experiment found that…

Four teachers & their eight classes of 179 5th-grade (10-11-year-old) students participated in this quasi-experimental classroom study, which investigated the effects of form-focused instruction (FFI) & corrective feedback on immersion students' ability to accurately assign grammatical gender in French. The…

El artículo pone el énfasis en las ventajas que se derivan para la transformación pacífica de los conflictos si se tienen en cuenta las aportaciones y la
participación de las mujeres. Por esta razón, se señala cuál es la imagen…

The essay is about the use of the forms el y este / ese / aquel before nouns and
adjectives which begin with stressed /a-/. General approach to this problem appears
included in the Academic Grammar very clearly, but varieties…

Introducción: El crecimiento de la inmigración
afecta también al ámbito de las estudiantes de
enfermería planteando la necesidad de adquirir
nuevos conocimientos sobre competencias culturales. Objetivos: Diseñar modelos de cuidados enfermeros
multiculturales para ofrecer una mayor calidad
en las tareas…