ABSTRACT: The paper presents the experience acquired through the use of an internet portal as a divulgation media and to support the Information Management (UM) for the project "Brazilian Rocks as Alternative Sources of Potassium". It's described the portal creation,…

Descripción completa.

The Bollettino del CILEA comes to n° 100. This goal has been reached slightly after 30 years activity of the Consortium achieved on July the 1st 2005. The publication of the second hundred would like to get new ambitious targets…

Metrics used on development of expert systems is not a well investigated problem area. This article suggests some metrics to be used to measure the maturity of the conceptualization process and the complexity of the decision process in the problem…

ABSTRACT: Despite of all modem communications tools, difficulties of dialogue still exist between technicians and local community members when dealing with natural resources. This is related to many factors, from the predominantly technical formation of the teachers and researches to…

This paper describes an adaptive and autocalibrated method to track surfaces. To do so, a non time
dependent impedance control system is proposed. This method fuses visual and force information to track a
given trajectory maintaining the contact with the…

Los impactos ecológicos de las especies introducidas constituyen uno de los aspectos menos investigados de la ecología de las
invasiones, especialmente en Europa. La mayor parte de los estudios realizados se han restringido a especies que tienen un impacto
económico…

Searching for information in databases or on the world wide web to enhance our knowledge has become an everyday task. The internet is a major source of information for education. When we want to make new material available in digital…

Although current literature on learning styles shows that matching a teacher’s instructional style with the learning styles of students affects performance in a classroom environment, little is known about the influence of learning styles in online interaction. The paper argues…

La mayoría de los sistemas de Vídeo bajo Demanda (VoD, Video on Demand) fueron diseñados para trabajar en redes dedicadas. Sin embargo, hay algunos sistemas que proveen servicio de VoD en redes de mejor esfuerzo y no dedicadas, pero ellos…