Recent advances in microdroplet generation and deposition processes have made it possible to directly form solder bumps on integrated circuits using micron-sized molten metal droplets. The direct droplet deposition bumping process can potentially produce uniform-sized bumps more economically than the…

La aparición de la teoría de las revoluciones científicas de Thomas S. Kuhn supuso una intensa alteración para la didáctica de las ideas del pensamiento de las ciencias —entre ellas, la geografía—; desde entonces éste se presenta como una sucesión…

This work extends the semantics and implementation of fuzzy prolog presented in [VGM02] in order to include Default Knowledge capability. The new semantic allows non-uniform default assumptions and has Closed World Assumption (CWA) and Open World Assumption (OWA) as particular…

The chemical effects of acoustic cavitation are obtained in sono-reactors built-up from a vessel and an ultrasonic
source. In this paper, simulations of an existing sono-reactor are carried out, using a linear acoustics model, accounting
for the vibrations of the…

En este artículo ofrecemos algunas ideas sobre la actividad científica, en Venezuela. En la evolución de la cultura y comunidad académica en Venezuela durante la primera década de gobierno de la revolución bolivariana socialista (1998-2008) nos hemos propuesto llenar lo…

In this paper, a restricted domain question answering (QA) system is described. The design architecture of this QA system and the features that allow the adaptation of the QA system to the medical domain are also presented. The advantages of…

Uno de los grandes problemas de la educación a distancia soportada por computadora (e-learning) radica en que muchos de los estudiantes que inician un curso, se frustran, se sienten desmotivados, no logran asimilar los conocimientos y en consecuencia lo abandonan.…

The development of systems with the ability to reason about change notion and actions has been of great importance for the artificial intelligence community. The definition and implementation of systems capable of managing defeasible, incomplete, unreliable, or uncertain information has…

El uso educativo de Internet, es de gran relevancia en todos los niveles de una sociedad. Es una herramienta global de consulta en tiempo real, un marco para la difusión, intercambio y socialización de conocimientos, que trasciende cuestiones geográficas y…

his dissertation analyzes how local knowledge improves environmental decisions. The premise is that controlling pollution and addressing public health disparities are not problems that professionals alone can solve. Concerned lay publics, especially low-income populations and people of color that experience…