One criterion that has received little attention in COTS systems selection is what we call conceptual fit. The criterion assesses the fit between the conceptual structure of the user requirements and that of a candidate ...

We focus on the problem of filtering a fragment of the knowledge contained in a large conceptual schema. The problem appears in many information systems development activities in which people need to operate with a piece ...

The last ten years have seen the emrgence of some new ways of applying computers to organizations. This has been done by focusing attention on the suport of the key decisions that must be made in organizations. Decision ...

One of the main problems in building data integration systems is that of semantic integration. It has been acknowledged that the problem would not exist if all systems were developed using the same global schema, but so ...

The proposed method is applicable to different kinds of projects and may be integrated into existing software development methods when they are based on iterative paradigms and they include artifacts to specify conceptual ...

Schema.org offers to web developers the opportunity to enrich a website's content with microdata and schema.org. For large websites, implementing microdata can take a lot of time. In general, it is necessary to perform two ...

Aquest article tracta de les precedències entre conjunts d'informació i, especialment, del problema de l'anàlisi de la derivabilitat de conjunts d'informació, del qual pretén d'explorar-ne noves vies de solució. L'enfocament ...

Muchos esfuerzos actuales de investigación y desarrollo en el àrea de los sistemas de Información (SI) se dirigen hacia la construcción automàtica de prototipos. Tal construcción parte de una definición previa del SI en ...

Este artículo se centra en el estudio de dos restricciones temporales, denominadas constante y permanente, que se aplican a tipos de entidad, a tipos de relación y a participaciones en tipos de relación. El artículo ...