O objetivo deste artigo é apresentar e discutir uma proposta de modelo conceitual para a criação de Colaboratórios para as redes de pesquisa da Embrapa. Os Colaboratórios são espaços virtuais de aprendizagem que, estruturados sob uma lógica sócio-interacionista e com…

Argumentation systems have substantially evolved in the past few years, resulting in adequate tools to model
some forms of common sense reasoning. This has sprung a new set of argument-based applications in diverse
areas.
In previous work, we defined how…

Most of the current wireless sensor networks are built for specific applications, with a tight coupling between them and the underlying communication protocols. We present a more flexible architectural approach for building WSNs, in which application-specific features are decoupled from…

Current interactive multimedia learning software can not be accessed by learners with disabilities. This is the case for students with vision disabilities. Modeling techniques are necessary to map real world experiences to virtual worlds by using 3D auditory representations of…

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…

Background. The extraction of salt from seawater by means of coastal solar salterns is a very well-described process. Moreover, the characterization of these environments from ecological, biochemical and microbiological perspectives has become a key focus for many research groups all…

The knowledge that consumers have of products and services as well as other factors serves as an indicator as to which product or store to “pick”. The products and store location add to the ease with which consumers are able…

¿Qué es un quiebre epistemológico? ¿Qué implicancias tiene éste en la metodología de la investigación y la Educación Corporal? Pasar de un sesgo “pedagógico y didáctico con que se pensaba a la Educación Física” (Crisorio y otros: proyecto 11/H465) a…