The pearly freshwater mussels ("naiads") are infaunal species, endemic to the Neotropical region, belonging to the families Hyriidae and Etheriidae. The habitat alteration and competition with the invasive species Corbicula fluminea and Limnoperna fortunei, impact on their natural populations. This…

Numerosos agentes intrínsecos y extrínsecos afectan de diferentes formas los grados de preservación de restos óseos humanos. La observación de la forma e intensidad en las que tales factores inciden en las características del registro osteológico de una muestra contemporánea…

Se evaluó el nivel de conocimiento de la nueva Ley de bosque nativo y fomento forestal que poseen los pequeños propietarios forestales en dos territorios de la Cordillera de Nahuelbuta, en Chile. Para ello, se aplicó una encuesta a 53…

The area of Knowledge Representation and Reasoning has been enriched during the past two decades with the addition of Argument-Based Reasoning Systems. Defeat between arguments is established by a combination of two basic elements: a conflict or defeat relation, and…

Distance learning courses need intensive planning that, in turn, requires the integration of knowledge and expertise in different areas and levels such as curriculum, ICTs and course management. This paper presents an integrated approach for distance learning course planning that…

La biodiversidad es un atractivo para millones de turistas que viajan alrededor del mundo. Sin embargo la presión ejercida sobre la misma puede provocar la desaparición de especies o la interferencia en los procesos ecológicos que la sostienen. En la…

Introduction: The consequences of violent and antisocial behaviors among psychiatric hospital inpatients are serious and may affect treatment of the aggressor. Lack of knowledge concerning the incidence of this phenomenon and its characteristics helps perpetuate the current scenario. Objectives: To…

In the last few years, several studies have emphasized the use of ontologies as an alternative to organization of the information.
The notion of ontology has become popular in fields such as intelligent information integration, information retrieval on the Internet,…

This work describes the ontology construction process for the development of an Intelligent System for the Organization and Retrieval of Knowledge in Biodiversity – SISBIO. The system aims at the production of strategic information for the biofuel chain Two main…

Information Retrieval Systems normally deal with keywordbased technologies. Although those systems reach satisfactory results, they aren’t able to answer more complex queries done by users, especially those directly in natural language. To do that, there are the KnowledgeBased Systems, which…