Determining an optimal schedule to minimize the completion time of the last job abandoning the system (makespan) becomes a very difficult problem when there are more than two machines in the flow shop. Due both to its economical impact and…

Las Naciones Unidas han proyectado que para cerca del año 2050, el planeta estará habitado diez mil millones de personas. Abastecer de alimentos a esa futura población con una dieta adecuada en cantidad y calidad es un desafío. La producción…

El Noreste de la provincia de Buenos Aires corresponde a un ambiente llano con pendientes muy bajas, donde tienen gran relevancia los movimientos verticales del agua, resultando de especial interés los procesos de recarga ya que constituyen la principal fuente…

The environment workshop was carried out in 2010 and 2011. Its main objective was to make students able to discover their role in the change process towards taking care of the environment and the sustainable use of natural resources, linking…

Este articulo revisa sintéticamente algunos trabajos y analiza resultados preliminares propios, dando a conocer el estado actual del conocimiento en relación con el grado de repercusión de la porosidad sabre las propiedades mecánicas en tracción. El análisis se ha realizado…

Knowledge acquisition for systems based on knowledge can be called knowledge engineering, according to Feigenbaum (1980) who used the term to describe the reduction of a wide context of knowledge for a set of facts and rules. The term Knowledge…

In the restricted single-machine common due date problem the goal is to find a schedule for the n jobs which jointly minimizes the sum of earliness and tardiness penalties, while for the weighted tardiness problem the goal is to find…

Argumentative formalisms have been widely recognized as knowledge representation and reasoning tools able to deal with incomplete and potentially contradictory informa- tion. All such formalisms are computationally demanding. Hence, optimizing argumen- tative systems has been approached from di erent views.

This study set sights at the issue of predominance of the attitude and behavior of self medication, medication storage and self treatment among female students of a Pakistani university. Random sampling and cross sectional surveys were conducted after collecting the…

Instruction may be seen as the intentional creation of conditions around learning so as to facilitate the achievement of determined goals. Normally, instruction is based upon certain educational strategies. It is well accepted in the field of educational technology that…