There are many situations in which a very detailed low-level description encodes, through a hierarchical organization, a recognizable higher-order pattern. The macro-molecular structural conformations of proteins exhibit higher order regularities whose recognition is complicated by many factors. ARIADNE searches for…

Many systems have been developed for constructing decision trees from collections of examples. Although the decision trees generated by these methods are accurate and efficient, they often suffer the disadvantage of excessive complexity that can render them incomprehensible to experts.…

Intelligent agents in the physical world must work from incomplete information due to partial knowledge and limited resources. An agent copes with these limitations by applying rules of conjecture to make reasonable assumptions about what is known. Circumscription, proposed by…

Consider a world of 'objects.' Our goal is to place these objects into categories that are useful to the observer using sensory data. One criterion for utility is that the categories allow the observer to infer the object's potential behaviors,…

To determine why something has stopped working, it's helpful to know how it was supposed to work in the first place. This simple fact underlies recent work on a number of systems that do diagnosis from knowledge about the internal…

El presente trabajo es una investigación documental, por su temática es de desarrollo teórico, persigue presentar el enfoque de Ramón A Tovar, sus imágenes de ruptura y continuidad para darle corpus a una ciencia considerada desde el criterio de lo…

La comprensión de la noción de derivada presenta dificultades para los estudiantes de Bachillerato (16-18 años) y primeros años de Cálculo en la Universidad. En este contexto, este trabajo revisa y organiza las aportaciones de las investigaciones realizadas en Educación…

This paper describes the development of an image retrieval
system that combines probabilistic and ontological information1. The
process is divided in two different stages: indexing and retrieval. Three
information flows have been created with different kind of information
each one:…

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…

Para el historiador, los epistolarios se han convertido en una fuente de conocimientos de primer orden. En este artículo se valora la aportación historiográfica que han supuesto en el campo de la política, la cultura, la religión y la sociedad,…