This paper presents an evolution of a simulation environment where situations in which a DDB should maintain data integrity are modeled and implemented. These situations include failures taking place during transactions, and the focus is mainly on the utilization and…

We present partial results of a research project in which we use boolean circuits as a parallel computation model for the expression of queries to relational databases. For that purpose, we use the well-known equivalence between First Order Logic (FO)…

El presente artículo describe un sistema de adquisición de datos para un medidor de deformación. Se presenta el análisis del diseño de la circuitería y la programación, los resultados obtenidos y finalmente algunas conclusiones.

Las listas de palabras con sus frecuencias se usan ampliamente en muchos procedimientos de agrupamiento y categorización de textos. Usualmente para la compilación de tales listas se usan las aproximaciones basadas en morfología (como el stemmer de Porter) para unir…

A Matlab-based seismic risk tool has been developed and named HAZUSICG.
Obviously this tool is still in development but it can provided damage results for the
general building stock of a city or country and also for the essential facilities…

Teacher education programs are an important alternative to raise standards in the teaching of English as a Foreign Language (EFL). However, there are few studies that have explored the roles of teacher educators in this setting. Three main research questions…

When performing vulnerability analysis and in absence of statistical data about vulnerability of some types of widespread buildings, unique structures, historical monuments etc, the development of numerical methods and approaches of evaluation and identification of vulnerability grade is shown as…

Findings from a qualitative research study of the context of adolescent pregnancy are presented. Participants were 21 pregnant adolescents from Medellín, Colombia, and nearby villages in the region. Data were collected by means of 21 qualitative interviews, and analysis followed…

E-mail texts are hard to process due to their short length. In this article, the use of a diffuse neural network that is capable of identifying the most relevant terms in a set of e-mails is proposed. The associations between…

Purpose: To determine which of the intangible resources possessed by companies from the Spanish viticultural sector can serve as a source of competitive advantage in the development of their international strategies. Exploratory study of the impact of the different intangible resources…