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…

Una nueva filosofía de Management tiene el objetivo de capturar, diseminar y rehusar el conocimiento disperso que poseen las organizaciones y que junto a sus recursos humanos constituyen su Capital Intelectual, que forma parte de su activo más importante en…

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”.

Con el fin de contribuir al conocimiento de los hábitos alimenticios y la relación hombre-animal durante el período Inca en el noroeste argentino, se realizó un estudio arqueozoológico del material proveniente del sitio Potrero-Chaquiago, provincia de Catamarca. Aparte del rol…

The appearance and continuous growth of virtual communities on the web imposes the challenge of coping with the large amount of information and knowledge these communities produce. The Semantic Web with its set of standards and technologies provides the basic…

We identify different kinds of relevance relations between formulas that emerge in the process of belief revision. Informal definitions for alternative notions of relevance are suggested and a set of schemas and intuitive postulates for formalizing these notions are proposed.

Effective document retrieval using domain knowledge and semantics is one of the major challenges in Information Retrieval. Over the last years, there has been a growing interest in ontologies as an artifact for human knowledge representation and a critical component…

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…

A re-design process implies dealing with complex interactions between stakeholders, especially if we are talking about a personalization re-engineered process, which can be applied to an existing web application. In this context, knowledge becomes a main factor of influence, but…

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…