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)…

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…

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…

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.

La vida de Šihāb al-Dīn al-Suhrawardī es oscura. Datos aislados referentes a sus estudios, viajes y contactos se encuentran en breves noticias de los diccionarios biográficos de los siglos XII y XIII. Estas noticias permiten esbozar una biografía de al-…

The Web has became an obiquitous resource for distributed computing making it relevant to investigate new ways of providing efficient access to services available at dedicated sites. Efficiency is an ever-increasing demand which can be only satisfied with the development…

The concept of “approximate” searching has applications in a vast number of fields. Some examples are non-traditional databases (e. g. storing images, fingerprints or audio clips, where the concept of exact search is of no use and we search instead…