The term “Federated Databases” refers to the data integration of distributed, autonomous and heterogeneous databases. However, a federation can also include information systems, not only databases. When integrating data, several issues must be addressed. Here, we focus on the problem…

El objetivo de este artículo es revisar los métodos estándares aplicados para evaluar el control de calidad de productos cartográficos en el contexto de los sensores remotos. Adicionalmente se persigue presentar una metodología que permita evaluar la precisión posicional de…

The fact that nutrition affects education outcomes is accepted by researchers and by policy makers. It is simple. Children cannot learn if they are hungry. The validity of the empirical approaches used to show a causal relationship from nutrition to…

Los manuscritos del Parecer de Pedro de Valencia Sobre el pergamino y láminas de Granada, redactado a instancias del Inquisidor General, Bernardo de Sandoval y Rojas, llevan dos fechas distintas: el Ms 2316 de la BNM (ff. 1r-30r) está fechado…

Software tools processing partially common set of data should share an understanding of what these data mean. Since ontologies have been used to express formally a shared understanding of information, we argue that they can be used to improve integration…

Desde la transición de España a la democracia, el
aborto ha sido asunto de políticas públicas dentro
y fuera del parlamento. En este artículo se describe
la historia de la reforma de la ley de aborto en
España desde 1979…

En este trabajo se comentan algunos aspectos geométricos y
topológicos relacionados a los Politopos n-Dimensionales y tres
metodologías para su visualización: a través de sus
unravelings, a través de sus intersecciones con el espacio 3D y a
través de…

In today’s world, in both the public or private organizations, there exists the problem that the organizations have to create value, are changing, but the tools to measure them are not. On the other hand, in the current economy, the…

Product-line architectures, i.e. a software architecture and component set shared by a family of products, represents a promising approach to achieving reuse of software. Several companies are initiating or have recently adopted a product-line architecture. However, little experience is available…

Using COTS software promises faster time-to-market, which can yield substantial advantages over competitors with regards to earlier placement of a new product on a market. At the same time, component-based software introduces risks, such as unknown quality properties of the…