Although most eggs are intensely predated, the aerial egg clutches from the aquatic snail Pomacea canaliculata have only one reported predator due to unparalleled biochemical defenses. These include two storage-proteins: ovorubin that provides a conspicuous (presumably warning) coloration and has…

A new impetus for recollecting information seems regaining appeal, maybe heir of the “social indicators movement”. The movement was an heir to the supporters of quantification in the Social Sciences, as numbers were believed to be objective and scientific per…

Los paradigmas, las técnicas y las prácticas producto de tradiciones regulan las formas de transmisión del saber, estableciendo las concepciones de sujeto, así como las nociones de cuerpo, de prácticas corporales y, sobre todo, de cómo se educa lo “corporal”.

Este trabalho tem o objetivo de apresentar a percepção ambiental dos moradores do bairro Jardim Tangará, localizado na porção leste do município de São Carlos, São Paulo. Dentre os aspectos socioambientais abordados, deu-se ênfase á nascente localizada no bairro. Realizou-se…

La expansión del riego complementario con aguas subterráneas en una vasta región de Argentina con alta productividad trajo como beneficio el incremento en rendimientos y mayor protección ante sequías, pero también problemas cuali-cuantitativos por conflictos con el uso doméstico. El…

A fuzzy controller is usually designed by formulating the knowledge of a human expert into a set of linguistic variables and fuzzy rules. As it is well known, the use of prior knowledge can dramatically improve the performance and quality…

DLP is a basic java-based IDE specifically conceived for DeLP, that allows to compile DeLP programs and queries into JAM opcodes, execute those opcodes, and even witness the actual step by step construction of the dialectical tree that is built…

Teachers must be able to adapt to a rapidly changing IT knowledge and technology. This requirement is further compounded by the need that this knowledge and technology be incorporated in the curriculum at the same rate.
This paper presents a…

The problem of speeding up ínference has proved to be important in argumentative systems. When computing dialectical structures, several paths are searched (called argumentation lines), many of which will eventually prove useless. Morover, the performance of backward chainers degrades quickly…

The accomplishment of systems with abilities to reason about actions and change and systems that can manage incomplete or not very reliable information with abilities to discuss or argument has been of great importance for artificial intelligence community. These two…